2edc1d26a755fce3c36d97ee664473a24c09f653c38792118db34196cd638d06

General

Target

F7B9980B8346B59F0B012E07F0D2207C.exe
Size

277KB
MD5

f7b9980b8346b59f0b012e07f0d2207c
SHA1

eaf80f0dcaea152d4bd81eeaa3ff8d31330acd01
SHA256

2edc1d26a755fce3c36d97ee664473a24c09f653c38792118db34196cd638d06
SHA512

5c26b7a32039b95c3a58e73e6ba1e0975758937a46fcf8b36dd34651fb2a5e035671ed05a6651139f500a6a0ba95216cc22dafb799a3c1470238266f1eccc497

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

F7B9980B8346B59F0B012E07F0D2207C.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\Microsoft\\explorer.exe"	F7B9980B8346B59F0B012E07F0D2207C.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	F7B9980B8346B59F0B012E07F0D2207C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\Microsoft\\explorer.exe"	F7B9980B8346B59F0B012E07F0D2207C.exe
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	F7B9980B8346B59F0B012E07F0D2207C.exe

Modifies Installed Components in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1756-53-0x00000000104F0000-0x0000000010560000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

F7B9980B8346B59F0B012E07F0D2207C.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	F7B9980B8346B59F0B012E07F0D2207C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\Microsoft\\explorer.exe"	F7B9980B8346B59F0B012E07F0D2207C.exe
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run	F7B9980B8346B59F0B012E07F0D2207C.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\Microsoft\\explorer.exe"	F7B9980B8346B59F0B012E07F0D2207C.exe

Drops file in Windows directory 2 IoCs

Processes:

F7B9980B8346B59F0B012E07F0D2207C.exe

description	ioc	process
File created	C:\Windows\Microsoft\explorer.exe	F7B9980B8346B59F0B012E07F0D2207C.exe
File opened for modification	C:\Windows\Microsoft\explorer.exe	F7B9980B8346B59F0B012E07F0D2207C.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

F7B9980B8346B59F0B012E07F0D2207C.exeexplorer.exe

pid process

776 F7B9980B8346B59F0B012E07F0D2207C.exe
1756 explorer.exe
1756 explorer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

explorer.exe

description pid process

Token: SeDebugPrivilege 1756 explorer.exe
Token: SeDebugPrivilege 1756 explorer.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

F7B9980B8346B59F0B012E07F0D2207C.exe

pid process

776 F7B9980B8346B59F0B012E07F0D2207C.exe

pid	process
776	F7B9980B8346B59F0B012E07F0D2207C.exe
1756	explorer.exe
1756	explorer.exe

description	pid	process
Token: SeDebugPrivilege	1756	explorer.exe
Token: SeDebugPrivilege	1756	explorer.exe

pid	process
776	F7B9980B8346B59F0B012E07F0D2207C.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

F7B9980B8346B59F0B012E07F0D2207C.exe

description	pid	process	target process
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe
PID 776 wrote to memory of 1748	776	F7B9980B8346B59F0B012E07F0D2207C.exe	iexplore.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1272
- C:\Users\Admin\AppData\Local\Temp\F7B9980B8346B59F0B012E07F0D2207C.exe
  "C:\Users\Admin\AppData\Local\Temp\F7B9980B8346B59F0B012E07F0D2207C.exe"
  2⤵
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:776
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1748
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1756
  - - C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\system32\cscript.exe" "C:\Users\Admin\AppData\Roaming\Adminv3.4.2.2.vbs"
      4⤵
      PID:1144

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

3

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Admin2.txt

MD5
be57dc706c5d70a6726fd7bc290cbb7e

SHA1
ee4dc76d1866fb8d7c2ad24f75ad3051482b1aa8

SHA256
6fd5074779c3d225c7504ab429567404a33e240eb95138fc3def2d60dfd50bdd

SHA512
a73b6d716d13050da4fc6039408b64468ba8b126da32140d8a24733824d6a3e7f85ed81900a9203ffd5efc9aa7d6e1d6c8ef541242e53968fd5c982b2db87c5e

Download Submit
C:\Users\Admin\AppData\Roaming\Adminv3.4.2.2.txt

MD5
81051bcc2cf1bedf378224b0a93e2877

SHA1
ba8ab5a0280b953aa97435ff8946cbcbb2755a27

SHA256
7eb70257593da06f682a3ddda54a9d260d4fc514f645237f5ca74b08f8da61a6

SHA512
1b302a2f1e624a5fb5ad94ddc4e5f8bfd74d26fa37512d0e5face303d8c40eee0d0ffa3649f5da43f439914d128166cb6c4774a7caa3b174d7535451eb697b5d

Download Submit
C:\Users\Admin\AppData\Roaming\Adminv3.4.2.2.vbs

MD5
f95b76fb6ef3dcc537e273f1578c020c

SHA1
c8efa8e0c2b07ae73af4d999f40efb1671856f65

SHA256
cf04e89dd5c5ee3e0167bd8cd2eb74247848b0b235e3312dc5b82287dbb4f114

SHA512
79d7fc45d5f43d476da27eba5f48b8c36abce7cf0b98059aee3c899e70b7802652646e8b5b5096525b4ae47553ea672e4f3a2439c139b68dcc8eaed4aaa32063

Download Submit
memory/776-2-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/1144-54-0x0000000000000000-mapping.dmp

Download
memory/1144-57-0x0000000002800000-0x0000000002804000-memory.dmp

Filesize
16KB

Download
memory/1756-4-0x0000000000000000-mapping.dmp

Download
memory/1756-3-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/1756-5-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download
memory/1756-7-0x00000000749B1000-0x00000000749B3000-memory.dmp

Filesize
8KB

Download
memory/1756-53-0x00000000104F0000-0x0000000010560000-memory.dmp

Filesize
448KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads