Analysis
- max time kernel
136s - max time network
58s - platform
windows7_x64 - resource
win7v200722 - submitted
07/08/2020, 13:14
General
- Target OC 07082020 DOC.exe
- Size 411KB
- Sample200807-68dh6cmsv6
- SHA256 90736a2b5a9e0da6df6b85727e56ff363a6795ca4e948a6163ff19f5d947daba
Malware Config
Extracted
-
Protocol
smtp
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Host
mail.sapgroup.com.pk
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Port
587
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Username
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Password
moin@26919
Signatures
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
Processes
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C:\Users\Admin\AppData\Local\Temp\OC 07082020 DOC.exe"C:\Users\Admin\AppData\Local\Temp\OC 07082020 DOC.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tBGFUcWDru" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B3E.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\OC 07082020 DOC.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/528-8-0x0000000000400000-0x0000000000422000-memory.dmp
memory/528-10-0x0000000000400000-0x0000000000422000-memory.dmp
memory/528-11-0x0000000000400000-0x0000000000422000-memory.dmp
memory/528-13-0x0000000074470000-0x0000000074B5E000-memory.dmp
memory/748-0-0x0000000074470000-0x0000000074B5E000-memory.dmp
memory/748-1-0x0000000001230000-0x0000000001231000-memory.dmp
memory/748-3-0x00000000003A0000-0x00000000003A8000-memory.dmp
memory/748-4-0x00000000046A0000-0x00000000046DB000-memory.dmp
memory/748-5-0x0000000000C60000-0x0000000000C7D000-memory.dmp