Malware Analysis Report

2024-10-23 16:21

Sample ID 240819-ckmpgasapk
Target d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
SHA256 d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a
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

d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a

Threat Level: Known bad

The file d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe was found to be: Known bad.

Malicious Activity Summary

djvu discovery persistence ransomware

Djvu Ransomware

Detected Djvu ransomware

Checks computer location settings

Modifies file permissions

Looks up external IP address via web service

Adds Run key to start application

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-19 02:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-19 02:08

Reported

2024-08-19 02:10

Platform

win7-20240708-en

Max time kernel

145s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\144505c0-851d-48b1-b97f-02253d695baa\\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe\" --AutoStart" C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.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\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.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\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2628 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2628 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2628 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2628 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2628 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2628 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2628 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2628 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2628 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2628 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2628 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1220 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Windows\SysWOW64\icacls.exe
PID 1220 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Windows\SysWOW64\icacls.exe
PID 1220 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Windows\SysWOW64\icacls.exe
PID 1220 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Windows\SysWOW64\icacls.exe
PID 1220 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1220 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1220 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1220 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2712 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2712 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2712 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2712 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2712 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2712 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2712 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2712 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2712 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2712 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 2712 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

"C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe"

C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

"C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe"

C:\Windows\SysWOW64\icacls.exe

icacls "C:\Users\Admin\AppData\Local\144505c0-851d-48b1-b97f-02253d695baa" /deny *S-1-1-0:(OI)(CI)(DE,DC)

C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

"C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe" --Admin IsNotAutoStart IsNotTask

C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

"C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe" --Admin IsNotAutoStart IsNotTask

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.2ip.ua udp
US 104.21.65.24:443 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 104.21.65.24:443 api.2ip.ua tcp
US 8.8.8.8:53 cajgtus.com udp
EG 105.197.9.206:80 cajgtus.com tcp
US 8.8.8.8:53 internet.vodafone.com.eg udp
DE 195.122.191.108:80 internet.vodafone.com.eg tcp
EG 105.197.9.206:80 cajgtus.com tcp
DE 195.122.191.108:80 internet.vodafone.com.eg tcp
EG 105.197.9.206:80 cajgtus.com tcp
DE 195.122.191.108:80 internet.vodafone.com.eg tcp
EG 105.197.9.206:80 cajgtus.com tcp
DE 195.122.191.108:80 internet.vodafone.com.eg tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.18.190.71:80 crl.microsoft.com tcp

Files

memory/2628-0-0x0000000000300000-0x0000000000391000-memory.dmp

memory/2628-2-0x0000000001EF0000-0x000000000200B000-memory.dmp

memory/2628-1-0x0000000000300000-0x0000000000391000-memory.dmp

memory/1220-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1220-5-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1220-7-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1220-8-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\144505c0-851d-48b1-b97f-02253d695baa\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

MD5 006edf0ac466164ddc9e0ac56474fe0a
SHA1 ee9f512713af63759f11279090d2c8004762735b
SHA256 d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a
SHA512 43305369fea2dad52d51bc9d5947a2f7e78d33baadd07093c250b9eb1fd3762c511033bbfae2b8d6eb52254306d137e29cd15e0b30b0f6d44a9d4f3d12b8b808

memory/1220-26-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2712-28-0x00000000004E0000-0x0000000000571000-memory.dmp

memory/2712-29-0x0000000000400000-0x00000000004D3000-memory.dmp

memory/2712-34-0x0000000000400000-0x00000000004D3000-memory.dmp

memory/2780-35-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2780-36-0x0000000000400000-0x0000000000537000-memory.dmp

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 a3d34c853693f2b6010ee159e92d7c71
SHA1 bcb46af6e3e008e13fbdbfce843c14a11d1768bc
SHA256 c6f0da32aa49df39887074602ad4a5d476baa1f62efc18dff37b7ecd218bd3d8
SHA512 8419270b62d5dd4367ded2689c1941860b7578605f2e5f3d81bb407f53687c77ca31da78055b12d976ba01e4d45810a2dbe00aee2e0b442eac7eea576c4e6e2f

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 ea9a40768d224bc8b08b1145986b1801
SHA1 6d16d8220024ba14089f6f8c2bad9fac12cf75a8
SHA256 378931af76cb034af0b6a842efbd1c401a08d9da00e4d6fbc73e6893ce140366
SHA512 af5cb3556f43aea2953413d4ec2b27462d8d26491e33ccb36ec084816f9ef4c201137c3839dd92260b9559c50cbf372ac3259a1103fe2339606a6d340137d737

C:\Users\Admin\AppData\Local\Temp\CabEB78.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

memory/2780-50-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2780-51-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2780-52-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2780-60-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\bowsakkdestx.txt

MD5 c1a0ce43fe2d5ceb87cfe95fe043a9ff
SHA1 91b1b1c5c79013a9ac85c72f5444f728f0eb7f7d
SHA256 2f0d6645968a16822fb2a93ccfaa15a9e5be8e7dd5a1e422c7694acf777454d5
SHA512 2ae5741a76ef1dbab85e050dac56c3448c23d39a5c0c7c4c41af3a1dd8f9a0d8f757978bcee0fee5f0d4a652026d9465a3d46b36d2e702bcca08988d24a1aebe

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\CWSOWPAF\welcome[1].htm

MD5 e283c8dd40c532e423b02b27878fd3cc
SHA1 0b7b763f6e8c4573ce957fa90dc9fdf256be981f
SHA256 ebf51d13fd94a2bf09398feb83b19a40a31bc787dca1f202bd106c1db4994bcd
SHA512 b578a0ef2c541cdeb88a84888268ffd34a9246ceff3a8aada7fe1b3e766409e5b0f7828a4362ecbe13d45f448ad75df66220e9da6b40f223954b0a76bf0bd951

memory/2780-71-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2780-72-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2780-75-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2780-74-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2780-76-0x0000000000400000-0x0000000000537000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-19 02:08

Reported

2024-08-19 02:10

Platform

win10v2004-20240802-en

Max time kernel

135s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe"

Signatures

Detected Djvu ransomware

Description Indicator Process Target
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Djvu Ransomware

ransomware djvu

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\fc4c928e-b9a4-4791-90fb-5772a1e63447\\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe\" --AutoStart" C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.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

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\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.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\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1956 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1956 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1956 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1956 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1956 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1956 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1956 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1956 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1956 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 1956 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 924 wrote to memory of 4784 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Windows\SysWOW64\icacls.exe
PID 924 wrote to memory of 4784 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Windows\SysWOW64\icacls.exe
PID 924 wrote to memory of 4784 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Windows\SysWOW64\icacls.exe
PID 924 wrote to memory of 3432 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 924 wrote to memory of 3432 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 924 wrote to memory of 3432 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 3432 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 3432 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 3432 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 3432 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 3432 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 3432 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 3432 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 3432 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 3432 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe
PID 3432 wrote to memory of 4292 N/A C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

"C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe"

C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

"C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe"

C:\Windows\SysWOW64\icacls.exe

icacls "C:\Users\Admin\AppData\Local\fc4c928e-b9a4-4791-90fb-5772a1e63447" /deny *S-1-1-0:(OI)(CI)(DE,DC)

C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

"C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe" --Admin IsNotAutoStart IsNotTask

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4280,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=1436 /prefetch:8

C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

"C:\Users\Admin\AppData\Local\Temp\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe" --Admin IsNotAutoStart IsNotTask

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4292 -ip 4292

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 568

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
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 8.8.8.8:53 220.139.67.172.in-addr.arpa udp
US 8.8.8.8:53 67.214.58.216.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1956-1-0x0000000002250000-0x00000000022F0000-memory.dmp

memory/1956-2-0x00000000022F0000-0x000000000240B000-memory.dmp

memory/924-4-0x0000000000400000-0x0000000000537000-memory.dmp

memory/924-3-0x0000000000400000-0x0000000000537000-memory.dmp

memory/924-5-0x0000000000400000-0x0000000000537000-memory.dmp

memory/924-6-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\fc4c928e-b9a4-4791-90fb-5772a1e63447\d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a.exe

MD5 006edf0ac466164ddc9e0ac56474fe0a
SHA1 ee9f512713af63759f11279090d2c8004762735b
SHA256 d343ea857cdf97aa0ccfd14970425c6888bd216d36ad7f6255a044bed36a4b2a
SHA512 43305369fea2dad52d51bc9d5947a2f7e78d33baadd07093c250b9eb1fd3762c511033bbfae2b8d6eb52254306d137e29cd15e0b30b0f6d44a9d4f3d12b8b808

memory/924-19-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3432-21-0x0000000000400000-0x00000000004D3000-memory.dmp

memory/4292-25-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4292-27-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4292-23-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3432-24-0x0000000000400000-0x00000000004D3000-memory.dmp