Malware Analysis Report

2024-10-23 16:21

Sample ID 240814-bweybsyenq
Target f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
SHA256 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4
Tags
djvu discovery persistence ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4

Threat Level: Known bad

The file f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe was found to be: Known bad.

Malicious Activity Summary

djvu discovery persistence ransomware

Detected Djvu ransomware

Djvu Ransomware

Checks computer location settings

Modifies file permissions

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-14 01:29

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-14 01:29

Reported

2024-08-14 01:31

Platform

win7-20240729-en

Max time kernel

142s

Max time network

35s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"

Signatures

Detected Djvu ransomware

Description Indicator Process Target
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Djvu Ransomware

ransomware djvu

Modifies file permissions

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\icacls.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c080a6ba-5783-4b46-9219-0ec7055082f7\\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe\" --AutoStart" C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.2ip.ua N/A N/A
N/A api.2ip.ua N/A N/A
N/A api.2ip.ua N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\icacls.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1644 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1644 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1644 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1644 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1644 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1644 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1644 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1644 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1644 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1644 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1644 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 2316 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Windows\SysWOW64\icacls.exe
PID 2316 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Windows\SysWOW64\icacls.exe
PID 2316 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Windows\SysWOW64\icacls.exe
PID 2316 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Windows\SysWOW64\icacls.exe
PID 2316 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 2316 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 2316 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 2316 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1924 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1924 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1924 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1924 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1924 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1924 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1924 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1924 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1924 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1924 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1924 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"

C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"

C:\Windows\SysWOW64\icacls.exe

icacls "C:\Users\Admin\AppData\Local\c080a6ba-5783-4b46-9219-0ec7055082f7" /deny *S-1-1-0:(OI)(CI)(DE,DC)

C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe" --Admin IsNotAutoStart IsNotTask

C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe" --Admin IsNotAutoStart IsNotTask

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.2ip.ua udp
US 172.67.139.220:443 api.2ip.ua tcp
US 8.8.8.8:53 c.pki.goog udp
FR 216.58.214.67:80 c.pki.goog tcp
US 172.67.139.220:443 api.2ip.ua tcp
US 8.8.8.8:53 securebiz.org udp
US 8.8.8.8:53 znpst.top udp
DE 92.246.89.93:80 znpst.top tcp

Files

memory/1644-0-0x00000000002B0000-0x0000000000341000-memory.dmp

memory/1644-1-0x00000000002B0000-0x0000000000341000-memory.dmp

memory/1644-5-0x0000000000A70000-0x0000000000B8B000-memory.dmp

memory/2316-4-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2316-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2316-7-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2316-8-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\c080a6ba-5783-4b46-9219-0ec7055082f7\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

MD5 8f81e96f8c96dec003b51826bbd5885f
SHA1 7b8c4ec9a3808eaa32ab07d1608ad275f34adbe3
SHA256 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4
SHA512 8770f01b013e401a3eef992aa53e7623a0367bf857309fa238781f70f44ef3e1e5697751d2a28b7ff1f35e8fad921b3fbfeb17f3c9724fab786934c8eb8ee8ce

memory/1924-31-0x00000000008F0000-0x0000000000981000-memory.dmp

memory/2316-30-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3020-36-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3020-38-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1924-37-0x0000000000400000-0x00000000008ED000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

MD5 971c514f84bba0785f80aa1c23edfd79
SHA1 732acea710a87530c6b08ecdf32a110d254a54c8
SHA256 f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA512 43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

MD5 d702d64661b39f0fe0d227cb4f6aa011
SHA1 8ea280877a86eb4114edc5f8f810fc597787cd9d
SHA256 c40e840bb24bfdd29af2a656b02153597d005f76ad4288a61991fe8727fde02d
SHA512 b5e51ce42b8d0b384f6725be42f524fadf94728c29e22391415adf2ea01f97c776cc32ec3739bd76663eccba8cdcc0f78854afb7da9a5fb1f75792b3ee969f60

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

MD5 7fb5fa1534dcf77f2125b2403b30a0ee
SHA1 365d96812a69ac0a4611ea4b70a3f306576cc3ea
SHA256 33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f
SHA512 a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

MD5 838443227950359475b9e9d24bfe0b82
SHA1 ed736f58540d2e6dba830362a2877bc2cfba5bd1
SHA256 6e500a99099c96dc5a5edf91deb28387a21e4c9c15f5c09d88c5bec9199e6ea3
SHA512 06a3947f09f8dbe6601318daaefcd5cc4609330a97d7b9afb63519278d9f12162333ce99d96f8ef8ce37c0f90ba4ef30efd740bcc3aefd10ffd05db5d15820d1

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

MD5 870a2be48b872cb66fae0af4c71906c8
SHA1 01d4de681e6de781a8c8049cbef0b5e7ee1e49de
SHA256 16c44621ac10254396fe4632d81d0bd6e60d46999baf4e535243d95a5aa43017
SHA512 e8d3eb75441ebeab9b71ae8b749d7c5b750b491065ca8ba75557a0df7a018323508411b5324442b153e1bb7dd8c1ad21b6b577194e77cf2d79063adb5f3fb4f9

C:\Users\Admin\AppData\Local\Temp\CabB7F9.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

memory/3020-53-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3020-54-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3020-55-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1644-56-0x0000000000A70000-0x0000000000B8B000-memory.dmp

memory/1924-57-0x0000000000400000-0x00000000008ED000-memory.dmp

memory/3020-59-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3020-63-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3020-64-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3020-61-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3020-65-0x0000000000400000-0x0000000000537000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-14 01:29

Reported

2024-08-14 01:31

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"

Signatures

Detected Djvu ransomware

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Djvu Ransomware

ransomware djvu

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe N/A

Modifies file permissions

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\icacls.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\efad0a4c-1077-42b9-9155-e4033d4c8d4c\\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe\" --AutoStart" C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.2ip.ua N/A N/A
N/A api.2ip.ua N/A N/A
N/A api.2ip.ua N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\icacls.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3644 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 3644 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 3644 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 3644 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 3644 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 3644 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 3644 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 3644 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 3644 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 3644 wrote to memory of 1244 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1244 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Windows\SysWOW64\icacls.exe
PID 1244 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Windows\SysWOW64\icacls.exe
PID 1244 wrote to memory of 3328 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Windows\SysWOW64\icacls.exe
PID 1244 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1244 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1244 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1900 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1900 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1900 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1900 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1900 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1900 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1900 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1900 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1900 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
PID 1900 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"

C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"

C:\Windows\SysWOW64\icacls.exe

icacls "C:\Users\Admin\AppData\Local\efad0a4c-1077-42b9-9155-e4033d4c8d4c" /deny *S-1-1-0:(OI)(CI)(DE,DC)

C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe" --Admin IsNotAutoStart IsNotTask

C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe" --Admin IsNotAutoStart IsNotTask

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 api.2ip.ua udp
US 172.67.139.220:443 api.2ip.ua tcp
US 8.8.8.8:53 c.pki.goog udp
FR 216.58.214.67:80 c.pki.goog tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 220.139.67.172.in-addr.arpa udp
US 8.8.8.8:53 67.214.58.216.in-addr.arpa udp
US 172.67.139.220:443 api.2ip.ua tcp
US 8.8.8.8:53 znpst.top udp
US 8.8.8.8:53 securebiz.org udp
DE 92.246.89.93:80 znpst.top tcp
US 8.8.8.8:53 securebiz.org udp
US 8.8.8.8:53 securebiz.org udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 securebiz.org udp
US 8.8.8.8:53 securebiz.org udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/3644-1-0x0000000000B80000-0x0000000000C17000-memory.dmp

memory/3644-2-0x0000000000C20000-0x0000000000D3B000-memory.dmp

memory/1244-3-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1244-4-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1244-5-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1244-6-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\efad0a4c-1077-42b9-9155-e4033d4c8d4c\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe

MD5 8f81e96f8c96dec003b51826bbd5885f
SHA1 7b8c4ec9a3808eaa32ab07d1608ad275f34adbe3
SHA256 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4
SHA512 8770f01b013e401a3eef992aa53e7623a0367bf857309fa238781f70f44ef3e1e5697751d2a28b7ff1f35e8fad921b3fbfeb17f3c9724fab786934c8eb8ee8ce

memory/1244-19-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1900-21-0x0000000000400000-0x00000000008ED000-memory.dmp

memory/1900-25-0x0000000000400000-0x00000000008ED000-memory.dmp

memory/4412-26-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4412-24-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4412-23-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

MD5 971c514f84bba0785f80aa1c23edfd79
SHA1 732acea710a87530c6b08ecdf32a110d254a54c8
SHA256 f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA512 43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

MD5 9fe1448dee2c481b5ca191bfa7c5dfeb
SHA1 382ea09d06b6515c0f42265e385195ed74c485e7
SHA256 32419d6aa5fe84ca8f17fbadb834b9138d9e203e0b5a02268d65fee4b86e034c
SHA512 9be893e77252e05c4551d56c81017429c8c9cabeef25fbcd9c7b0ea9d7f3edd19dea95a98a9fd187f809c1ad5383e9ee92add83becb0fd1f4a40f69d35d74c7f

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

MD5 7fb5fa1534dcf77f2125b2403b30a0ee
SHA1 365d96812a69ac0a4611ea4b70a3f306576cc3ea
SHA256 33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f
SHA512 a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

MD5 e29f6f0d35280636da9922328a3fb116
SHA1 13d31c4e1d9197766a82d5a22eda19b0bbcee541
SHA256 db4e8df4c41d1f648235a0e3cf9d58a5221976e78a952bf590ef7f97d86792ba
SHA512 829e860d154ca07170927eaa361fc8a0d5b9feedbe698d6081f77b1324911ce801c8721ffadfe95b2b1cc9e5a99b6e557cd0393c460246d6f3b6e7bceb3ac77a

memory/4412-33-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4412-34-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4412-35-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4412-36-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4412-39-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4412-38-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4412-40-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4412-41-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4412-43-0x0000000000400000-0x0000000000537000-memory.dmp