Analysis
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max time kernel
136s -
max time network
151s -
platform
windows7_x64 -
resource
win7 -
submitted
07-07-2020 06:02
Static task
static1
Behavioral task
behavioral1
Sample
af3a50a137967ab56f4b1982abbf88c6.exe
Resource
win7
Behavioral task
behavioral2
Sample
af3a50a137967ab56f4b1982abbf88c6.exe
Resource
win10v200430
General
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Target
af3a50a137967ab56f4b1982abbf88c6.exe
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Size
312KB
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MD5
af3a50a137967ab56f4b1982abbf88c6
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SHA1
2e2a6a76111abf0c08e00c6d064b4a3e76d06953
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SHA256
f4a1a9d78555e5162dd5aebe870aea13af3a8151d031a6221e5340775457ab8a
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SHA512
5e5eefcb934ef033fe7a8dc71039e22966b77483055569c9cb1104010fd372d72ed611d0d80dcb2c4b048c2642e241dd6c219150513e22af11fb8541d621275e
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 1700 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
chromegoogle.exechromegoogle.exepid process 1860 chromegoogle.exe 2008 chromegoogle.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of WriteProcessMemory 38 IoCs
Processes:
af3a50a137967ab56f4b1982abbf88c6.exeaf3a50a137967ab56f4b1982abbf88c6.execmd.execmd.exechromegoogle.exedescription pid process target process PID 1460 wrote to memory of 780 1460 af3a50a137967ab56f4b1982abbf88c6.exe af3a50a137967ab56f4b1982abbf88c6.exe PID 1460 wrote to memory of 780 1460 af3a50a137967ab56f4b1982abbf88c6.exe af3a50a137967ab56f4b1982abbf88c6.exe PID 1460 wrote to memory of 780 1460 af3a50a137967ab56f4b1982abbf88c6.exe af3a50a137967ab56f4b1982abbf88c6.exe PID 1460 wrote to memory of 780 1460 af3a50a137967ab56f4b1982abbf88c6.exe af3a50a137967ab56f4b1982abbf88c6.exe PID 1460 wrote to memory of 780 1460 af3a50a137967ab56f4b1982abbf88c6.exe af3a50a137967ab56f4b1982abbf88c6.exe PID 1460 wrote to memory of 780 1460 af3a50a137967ab56f4b1982abbf88c6.exe af3a50a137967ab56f4b1982abbf88c6.exe PID 1460 wrote to memory of 780 1460 af3a50a137967ab56f4b1982abbf88c6.exe af3a50a137967ab56f4b1982abbf88c6.exe PID 1460 wrote to memory of 780 1460 af3a50a137967ab56f4b1982abbf88c6.exe af3a50a137967ab56f4b1982abbf88c6.exe PID 1460 wrote to memory of 780 1460 af3a50a137967ab56f4b1982abbf88c6.exe af3a50a137967ab56f4b1982abbf88c6.exe PID 780 wrote to memory of 1540 780 af3a50a137967ab56f4b1982abbf88c6.exe cmd.exe PID 780 wrote to memory of 1540 780 af3a50a137967ab56f4b1982abbf88c6.exe cmd.exe PID 780 wrote to memory of 1540 780 af3a50a137967ab56f4b1982abbf88c6.exe cmd.exe PID 780 wrote to memory of 1540 780 af3a50a137967ab56f4b1982abbf88c6.exe cmd.exe PID 780 wrote to memory of 1700 780 af3a50a137967ab56f4b1982abbf88c6.exe cmd.exe PID 780 wrote to memory of 1700 780 af3a50a137967ab56f4b1982abbf88c6.exe cmd.exe PID 780 wrote to memory of 1700 780 af3a50a137967ab56f4b1982abbf88c6.exe cmd.exe PID 780 wrote to memory of 1700 780 af3a50a137967ab56f4b1982abbf88c6.exe cmd.exe PID 1540 wrote to memory of 1788 1540 cmd.exe schtasks.exe PID 1540 wrote to memory of 1788 1540 cmd.exe schtasks.exe PID 1540 wrote to memory of 1788 1540 cmd.exe schtasks.exe PID 1540 wrote to memory of 1788 1540 cmd.exe schtasks.exe PID 1700 wrote to memory of 1764 1700 cmd.exe timeout.exe PID 1700 wrote to memory of 1764 1700 cmd.exe timeout.exe PID 1700 wrote to memory of 1764 1700 cmd.exe timeout.exe PID 1700 wrote to memory of 1764 1700 cmd.exe timeout.exe PID 1700 wrote to memory of 1860 1700 cmd.exe chromegoogle.exe PID 1700 wrote to memory of 1860 1700 cmd.exe chromegoogle.exe PID 1700 wrote to memory of 1860 1700 cmd.exe chromegoogle.exe PID 1700 wrote to memory of 1860 1700 cmd.exe chromegoogle.exe PID 1860 wrote to memory of 2008 1860 chromegoogle.exe chromegoogle.exe PID 1860 wrote to memory of 2008 1860 chromegoogle.exe chromegoogle.exe PID 1860 wrote to memory of 2008 1860 chromegoogle.exe chromegoogle.exe PID 1860 wrote to memory of 2008 1860 chromegoogle.exe chromegoogle.exe PID 1860 wrote to memory of 2008 1860 chromegoogle.exe chromegoogle.exe PID 1860 wrote to memory of 2008 1860 chromegoogle.exe chromegoogle.exe PID 1860 wrote to memory of 2008 1860 chromegoogle.exe chromegoogle.exe PID 1860 wrote to memory of 2008 1860 chromegoogle.exe chromegoogle.exe PID 1860 wrote to memory of 2008 1860 chromegoogle.exe chromegoogle.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
af3a50a137967ab56f4b1982abbf88c6.exechromegoogle.exedescription pid process target process PID 1460 set thread context of 780 1460 af3a50a137967ab56f4b1982abbf88c6.exe af3a50a137967ab56f4b1982abbf88c6.exe PID 1860 set thread context of 2008 1860 chromegoogle.exe chromegoogle.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
af3a50a137967ab56f4b1982abbf88c6.exepid process 780 af3a50a137967ab56f4b1982abbf88c6.exe 780 af3a50a137967ab56f4b1982abbf88c6.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
af3a50a137967ab56f4b1982abbf88c6.exechromegoogle.exedescription pid process Token: SeDebugPrivilege 780 af3a50a137967ab56f4b1982abbf88c6.exe Token: SeDebugPrivilege 2008 chromegoogle.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1764 timeout.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
Processes
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C:\Users\Admin\AppData\Local\Temp\af3a50a137967ab56f4b1982abbf88c6.exe"C:\Users\Admin\AppData\Local\Temp\af3a50a137967ab56f4b1982abbf88c6.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\Temp\af3a50a137967ab56f4b1982abbf88c6.exe"{path}"2⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "chromegoogle" /tr '"C:\Users\Admin\AppData\Roaming\chromegoogle.exe"' & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "chromegoogle" /tr '"C:\Users\Admin\AppData\Roaming\chromegoogle.exe"'4⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpA8CC.tmp.bat""3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 34⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\chromegoogle.exe"C:\Users\Admin\AppData\Roaming\chromegoogle.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Roaming\chromegoogle.exe"{path}"5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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\tmpA8CC.tmp.bat
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C:\Users\Admin\AppData\Roaming\chromegoogle.exe
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C:\Users\Admin\AppData\Roaming\chromegoogle.exe
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C:\Users\Admin\AppData\Roaming\chromegoogle.exe
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\??\PIPE\lsarpc
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\Users\Admin\AppData\Roaming\chromegoogle.exe
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memory/780-2-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/780-3-0x000000000040C78E-mapping.dmp
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memory/780-4-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/780-5-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/1460-1-0x0000000000000000-0x0000000000000000-disk.dmp
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memory/1540-6-0x0000000000000000-mapping.dmp
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memory/1700-7-0x0000000000000000-mapping.dmp
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memory/1764-10-0x0000000000000000-mapping.dmp
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memory/1788-8-0x0000000000000000-mapping.dmp
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memory/1860-14-0x0000000000000000-mapping.dmp
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memory/1860-13-0x0000000000000000-mapping.dmp
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memory/2008-19-0x000000000040C78E-mapping.dmp
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memory/2008-21-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/2008-22-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB