Analysis
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max time kernel
8s -
max time network
8s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
27-02-2021 18:16
Static task
static1
Behavioral task
behavioral1
Sample
f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe
Resource
win7v20201028
General
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Target
f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe
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Size
161KB
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MD5
cd8b36caf97db21ceed4b90b9a6f01b7
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SHA1
6cfb3bbf75763949df505dfd3c9b66ae93d0dea3
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SHA256
f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e
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SHA512
fcc6b8bcc36d491624bc5e82574b63ec0a4fd2ba7d1b178405c59bd38bcc91062defbdca81473fc6c536e1c96b4a128eb159f03f28f9afe6f9b6a63e8490e8c8
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
cmd.exepid process 1832 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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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:
f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exedescription pid process Token: SeImpersonatePrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeTcbPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeChangeNotifyPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeCreateTokenPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeBackupPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeRestorePrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeIncreaseQuotaPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeAssignPrimaryTokenPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeImpersonatePrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeTcbPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeChangeNotifyPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeCreateTokenPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeBackupPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeRestorePrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeIncreaseQuotaPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeAssignPrimaryTokenPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeImpersonatePrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeTcbPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeChangeNotifyPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeCreateTokenPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeBackupPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeRestorePrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeIncreaseQuotaPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeAssignPrimaryTokenPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeImpersonatePrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeTcbPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeChangeNotifyPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeCreateTokenPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeBackupPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeRestorePrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeIncreaseQuotaPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe Token: SeAssignPrimaryTokenPrivilege 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exedescription pid process target process PID 1932 wrote to memory of 1832 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe cmd.exe PID 1932 wrote to memory of 1832 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe cmd.exe PID 1932 wrote to memory of 1832 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe cmd.exe PID 1932 wrote to memory of 1832 1932 f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.exe"C:\Users\Admin\AppData\Local\Temp\f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.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\259268544.bat" "C:\Users\Admin\AppData\Local\Temp\f4bcdae8ca79d2aac14c0250e3108a3ce738287d59952eb3d93c4f3922583f9e.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\259268544.batMD5
3880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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memory/304-3-0x000007FEF5BC0000-0x000007FEF5E3A000-memory.dmpFilesize
2.5MB
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memory/1832-4-0x0000000000000000-mapping.dmp
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memory/1932-2-0x00000000750C1000-0x00000000750C3000-memory.dmpFilesize
8KB