Analysis
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max time kernel
6s -
max time network
48s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-07-2021 13:02
Static task
static1
Behavioral task
behavioral1
Sample
FBF4C2B8985F92B35C6985994F628761.exe
Resource
win7v20210410
General
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Target
FBF4C2B8985F92B35C6985994F628761.exe
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Size
34KB
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MD5
fbf4c2b8985f92b35c6985994f628761
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SHA1
aefd378a15dda0fd24816f2d1eff06e8775e46ad
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SHA256
f085ce60467f290490eeb057a5cac1f54e4bf5559c7d63e1e8ef585f14f09153
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SHA512
0c60903200f36a9a43a512ab15d36cab82a5b6ddcfbe8777a4262b79c38569049dd61f1e07051b52977c853fcd3676f4bd71de4fceb762f51c46416fb2eabef3
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
cmd.exepid process 268 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 32 IoCs
Processes:
FBF4C2B8985F92B35C6985994F628761.exedescription pid process Token: SeImpersonatePrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeTcbPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeChangeNotifyPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeCreateTokenPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeBackupPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeRestorePrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeIncreaseQuotaPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeAssignPrimaryTokenPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeImpersonatePrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeTcbPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeChangeNotifyPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeCreateTokenPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeBackupPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeRestorePrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeIncreaseQuotaPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeAssignPrimaryTokenPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeImpersonatePrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeTcbPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeChangeNotifyPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeCreateTokenPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeBackupPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeRestorePrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeIncreaseQuotaPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeAssignPrimaryTokenPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeImpersonatePrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeTcbPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeChangeNotifyPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeCreateTokenPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeBackupPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeRestorePrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeIncreaseQuotaPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe Token: SeAssignPrimaryTokenPrivilege 1836 FBF4C2B8985F92B35C6985994F628761.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
FBF4C2B8985F92B35C6985994F628761.exedescription pid process target process PID 1836 wrote to memory of 268 1836 FBF4C2B8985F92B35C6985994F628761.exe cmd.exe PID 1836 wrote to memory of 268 1836 FBF4C2B8985F92B35C6985994F628761.exe cmd.exe PID 1836 wrote to memory of 268 1836 FBF4C2B8985F92B35C6985994F628761.exe cmd.exe PID 1836 wrote to memory of 268 1836 FBF4C2B8985F92B35C6985994F628761.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\FBF4C2B8985F92B35C6985994F628761.exe"C:\Users\Admin\AppData\Local\Temp\FBF4C2B8985F92B35C6985994F628761.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\259312225.bat" "C:\Users\Admin\AppData\Local\Temp\FBF4C2B8985F92B35C6985994F628761.exe" "2⤵
- Deletes itself
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\259312225.batMD5
3880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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memory/268-61-0x0000000000000000-mapping.dmp
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memory/1836-60-0x00000000757D1000-0x00000000757D3000-memory.dmpFilesize
8KB