Analysis
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max time kernel
139s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 12:40
Static task
static1
Behavioral task
behavioral1
Sample
PO-Jiehong20959481.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
PO-Jiehong20959481.exe
Resource
win10v2004-20220414-en
General
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Target
PO-Jiehong20959481.exe
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Size
665KB
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MD5
ff286368558ae7854524c438ad15702b
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SHA1
d15e322714b7c85266ea053c535ff73f4349476a
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SHA256
b642527e686b781a602fb322e7d34d0f18748778de42a0e3774d9990a71e2c92
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SHA512
cc97e0232e3537929c8ba50eabb2f61ecc0cb29faac8ed970fd632a8784d4c789b3964f5a141d98667bf8379846b281bda0f0c29d872a50a3612d513de572f96
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
admin@mafo.cc - Password:
success21
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1476-59-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1476-60-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1476-61-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1476-62-0x000000000045447E-mapping.dmp family_agenttesla behavioral1/memory/1476-64-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla behavioral1/memory/1476-66-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO-Jiehong20959481.exedescription pid process target process PID 1128 set thread context of 1476 1128 PO-Jiehong20959481.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
PO-Jiehong20959481.exeMSBuild.exepid process 1128 PO-Jiehong20959481.exe 1128 PO-Jiehong20959481.exe 1476 MSBuild.exe 1476 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO-Jiehong20959481.exeMSBuild.exedescription pid process Token: SeDebugPrivilege 1128 PO-Jiehong20959481.exe Token: SeDebugPrivilege 1476 MSBuild.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
PO-Jiehong20959481.exedescription pid process target process PID 1128 wrote to memory of 1476 1128 PO-Jiehong20959481.exe MSBuild.exe PID 1128 wrote to memory of 1476 1128 PO-Jiehong20959481.exe MSBuild.exe PID 1128 wrote to memory of 1476 1128 PO-Jiehong20959481.exe MSBuild.exe PID 1128 wrote to memory of 1476 1128 PO-Jiehong20959481.exe MSBuild.exe PID 1128 wrote to memory of 1476 1128 PO-Jiehong20959481.exe MSBuild.exe PID 1128 wrote to memory of 1476 1128 PO-Jiehong20959481.exe MSBuild.exe PID 1128 wrote to memory of 1476 1128 PO-Jiehong20959481.exe MSBuild.exe PID 1128 wrote to memory of 1476 1128 PO-Jiehong20959481.exe MSBuild.exe PID 1128 wrote to memory of 1476 1128 PO-Jiehong20959481.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-Jiehong20959481.exe"C:\Users\Admin\AppData\Local\Temp\PO-Jiehong20959481.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\v2.0.50727\MSBuild.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1128-54-0x00000000765C1000-0x00000000765C3000-memory.dmpFilesize
8KB
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memory/1128-55-0x0000000074D40000-0x00000000752EB000-memory.dmpFilesize
5.7MB
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memory/1476-56-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1476-57-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1476-59-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1476-60-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1476-61-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1476-62-0x000000000045447E-mapping.dmp
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memory/1476-64-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1476-66-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/1476-68-0x0000000074D40000-0x00000000752EB000-memory.dmpFilesize
5.7MB