Analysis
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max time kernel
131s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:26
Static task
static1
Behavioral task
behavioral1
Sample
PO-11059021022021.......pdf.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
PO-11059021022021.......pdf.exe
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Size
720KB
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MD5
3e5c33f7b75d087ef1e5ff8fe7585f1a
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SHA1
d2592e11aff5472be101384583ecad21b1384151
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SHA256
f37fbb193f6ba57d318e7f5333fa7870282de9b3322e024c65d89977d2ec594c
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SHA512
ded2f0a038ef57ed94431b0e30207e2f533284077076c2969ef3cfe4b929827b439f52c6236e8b370c4ed45e318b930bb57143d2148d4af5d8f401a8bf90e0f0
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
mail.dianaglobalmandiri.com - Port:
587 - Username:
[email protected] - Password:
Batam2019
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3940-136-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Disables Task Manager via registry modification
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Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO-11059021022021.......pdf.exedescription pid process target process PID 1628 set thread context of 3940 1628 PO-11059021022021.......pdf.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2608 3940 WerFault.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
PO-11059021022021.......pdf.exeRegSvcs.exepid process 1628 PO-11059021022021.......pdf.exe 1628 PO-11059021022021.......pdf.exe 1628 PO-11059021022021.......pdf.exe 3940 RegSvcs.exe 3940 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO-11059021022021.......pdf.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1628 PO-11059021022021.......pdf.exe Token: SeDebugPrivilege 3940 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
PO-11059021022021.......pdf.exeRegSvcs.exedescription pid process target process PID 1628 wrote to memory of 3940 1628 PO-11059021022021.......pdf.exe RegSvcs.exe PID 1628 wrote to memory of 3940 1628 PO-11059021022021.......pdf.exe RegSvcs.exe PID 1628 wrote to memory of 3940 1628 PO-11059021022021.......pdf.exe RegSvcs.exe PID 1628 wrote to memory of 3940 1628 PO-11059021022021.......pdf.exe RegSvcs.exe PID 1628 wrote to memory of 3940 1628 PO-11059021022021.......pdf.exe RegSvcs.exe PID 1628 wrote to memory of 3940 1628 PO-11059021022021.......pdf.exe RegSvcs.exe PID 1628 wrote to memory of 3940 1628 PO-11059021022021.......pdf.exe RegSvcs.exe PID 1628 wrote to memory of 3940 1628 PO-11059021022021.......pdf.exe RegSvcs.exe PID 3940 wrote to memory of 4764 3940 RegSvcs.exe REG.exe PID 3940 wrote to memory of 4764 3940 RegSvcs.exe REG.exe PID 3940 wrote to memory of 4764 3940 RegSvcs.exe REG.exe PID 3940 wrote to memory of 1992 3940 RegSvcs.exe netsh.exe PID 3940 wrote to memory of 1992 3940 RegSvcs.exe netsh.exe PID 3940 wrote to memory of 1992 3940 RegSvcs.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-11059021022021.......pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO-11059021022021.......pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f3⤵
- Modifies registry key
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 15803⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 3940 -ip 39401⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1628-130-0x00000000004E0000-0x000000000059C000-memory.dmpFilesize
752KB
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memory/1628-131-0x0000000005760000-0x0000000005D04000-memory.dmpFilesize
5.6MB
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memory/1628-132-0x0000000005390000-0x0000000005422000-memory.dmpFilesize
584KB
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memory/1628-133-0x0000000005360000-0x000000000536A000-memory.dmpFilesize
40KB
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memory/1628-134-0x0000000008C00000-0x0000000008C9C000-memory.dmpFilesize
624KB
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memory/1992-139-0x0000000000000000-mapping.dmp
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memory/3940-135-0x0000000000000000-mapping.dmp
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memory/3940-136-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/3940-137-0x0000000005FC0000-0x0000000006026000-memory.dmpFilesize
408KB
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memory/3940-140-0x0000000006EB0000-0x0000000006F00000-memory.dmpFilesize
320KB
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memory/4764-138-0x0000000000000000-mapping.dmp