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Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09/10/2024, 01:55
Static task
static1
Behavioral task
behavioral1
Sample
DOC8558388_AUGUST2021.exe
Resource
win7-20240903-en
General
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Target
DOC8558388_AUGUST2021.exe
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Size
1.3MB
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MD5
fe1e7c4a720c5aabdff8b5134ff25292
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SHA1
3b512edaf968cfc824a73eee98a841bf893cbe99
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SHA256
64186ecb7905dcf865a55113e959199d17479cbe9a538669b4f4d356b194dbfc
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SHA512
8fdfc7bf5f8958a65b6485583d0a05fed35c9c791522d100f870a35eeefe3fea65649293d3d60a36037311004b294ca7dba182eac6331981aa60bfd31d2de04b
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SSDEEP
24576:vQRK0rxB/HOIThNN7Mtqk8RbZZS5R0DlhuCO:v2BtThXEc3Bb0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.rdnsanom.xyz - Port:
587 - Username:
[email protected] - Password:
j!P2f~oad_G7 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 5 IoCs
resource yara_rule behavioral1/memory/2684-10-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2684-14-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2684-11-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2684-20-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2684-16-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 764 set thread context of 2684 764 DOC8558388_AUGUST2021.exe 32 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DOC8558388_AUGUST2021.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DOC8558388_AUGUST2021.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 764 DOC8558388_AUGUST2021.exe 2684 DOC8558388_AUGUST2021.exe 2684 DOC8558388_AUGUST2021.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 764 DOC8558388_AUGUST2021.exe Token: SeDebugPrivilege 2684 DOC8558388_AUGUST2021.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 764 wrote to memory of 2740 764 DOC8558388_AUGUST2021.exe 31 PID 764 wrote to memory of 2740 764 DOC8558388_AUGUST2021.exe 31 PID 764 wrote to memory of 2740 764 DOC8558388_AUGUST2021.exe 31 PID 764 wrote to memory of 2740 764 DOC8558388_AUGUST2021.exe 31 PID 764 wrote to memory of 2684 764 DOC8558388_AUGUST2021.exe 32 PID 764 wrote to memory of 2684 764 DOC8558388_AUGUST2021.exe 32 PID 764 wrote to memory of 2684 764 DOC8558388_AUGUST2021.exe 32 PID 764 wrote to memory of 2684 764 DOC8558388_AUGUST2021.exe 32 PID 764 wrote to memory of 2684 764 DOC8558388_AUGUST2021.exe 32 PID 764 wrote to memory of 2684 764 DOC8558388_AUGUST2021.exe 32 PID 764 wrote to memory of 2684 764 DOC8558388_AUGUST2021.exe 32 PID 764 wrote to memory of 2684 764 DOC8558388_AUGUST2021.exe 32 PID 764 wrote to memory of 2684 764 DOC8558388_AUGUST2021.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe"C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:764 -
C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe"C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe"2⤵PID:2740
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C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe"C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2684
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