Analysis
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max time kernel
142s -
max time network
113s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
21-04-2021 14:46
Static task
static1
Behavioral task
behavioral1
Sample
GS_ PO NO.1862021.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
GS_ PO NO.1862021.exe
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
GS_ PO NO.1862021.exe
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Size
605KB
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MD5
dd69154b0cdf498ef93ea3005a4de557
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SHA1
5d2146fffe83a3fca36ea89f3a38762cd797fa19
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SHA256
11e9639235e6331d3fc76d710c73ce5412c3758f41ee587104839a0ee1d00f5a
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SHA512
d3b6d5c81dcd59c6696a011890fa0980286e7cfcf7fd8712632c992ab4bb0bc939237029750f2cd4156adc680b5c87e00fa728bde1af5380a9fa681b58533a06
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
mail.odessabd.com - Port:
587 - Username:
compliance2@odessabd.com - Password:
abc321
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4080-125-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/4080-126-0x000000000043762E-mapping.dmp family_agenttesla behavioral2/memory/4080-131-0x0000000004F00000-0x00000000053FE000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\AvrzbM = "C:\\Users\\Admin\\AppData\\Roaming\\AvrzbM\\AvrzbM.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
GS_ PO NO.1862021.exedescription pid process target process PID 2256 set thread context of 4080 2256 GS_ PO NO.1862021.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
GS_ PO NO.1862021.exeRegSvcs.exepid process 2256 GS_ PO NO.1862021.exe 2256 GS_ PO NO.1862021.exe 2256 GS_ PO NO.1862021.exe 2256 GS_ PO NO.1862021.exe 2256 GS_ PO NO.1862021.exe 2256 GS_ PO NO.1862021.exe 4080 RegSvcs.exe 4080 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
GS_ PO NO.1862021.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2256 GS_ PO NO.1862021.exe Token: SeDebugPrivilege 4080 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
GS_ PO NO.1862021.exedescription pid process target process PID 2256 wrote to memory of 1604 2256 GS_ PO NO.1862021.exe RegSvcs.exe PID 2256 wrote to memory of 1604 2256 GS_ PO NO.1862021.exe RegSvcs.exe PID 2256 wrote to memory of 1604 2256 GS_ PO NO.1862021.exe RegSvcs.exe PID 2256 wrote to memory of 4080 2256 GS_ PO NO.1862021.exe RegSvcs.exe PID 2256 wrote to memory of 4080 2256 GS_ PO NO.1862021.exe RegSvcs.exe PID 2256 wrote to memory of 4080 2256 GS_ PO NO.1862021.exe RegSvcs.exe PID 2256 wrote to memory of 4080 2256 GS_ PO NO.1862021.exe RegSvcs.exe PID 2256 wrote to memory of 4080 2256 GS_ PO NO.1862021.exe RegSvcs.exe PID 2256 wrote to memory of 4080 2256 GS_ PO NO.1862021.exe RegSvcs.exe PID 2256 wrote to memory of 4080 2256 GS_ PO NO.1862021.exe RegSvcs.exe PID 2256 wrote to memory of 4080 2256 GS_ PO NO.1862021.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\GS_ PO NO.1862021.exe"C:\Users\Admin\AppData\Local\Temp\GS_ PO NO.1862021.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"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2256-114-0x0000000000B90000-0x0000000000B91000-memory.dmpFilesize
4KB
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memory/2256-116-0x0000000005AA0000-0x0000000005AA1000-memory.dmpFilesize
4KB
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memory/2256-117-0x00000000055A0000-0x00000000055A1000-memory.dmpFilesize
4KB
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memory/2256-118-0x00000000056E0000-0x00000000056E1000-memory.dmpFilesize
4KB
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memory/2256-119-0x0000000005640000-0x0000000005641000-memory.dmpFilesize
4KB
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memory/2256-120-0x00000000055A0000-0x0000000005A9E000-memory.dmpFilesize
5.0MB
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memory/2256-121-0x00000000059C0000-0x00000000059C9000-memory.dmpFilesize
36KB
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memory/2256-122-0x000000007F1E0000-0x000000007F1E1000-memory.dmpFilesize
4KB
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memory/2256-123-0x0000000001480000-0x00000000014F7000-memory.dmpFilesize
476KB
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memory/2256-124-0x0000000001540000-0x000000000157C000-memory.dmpFilesize
240KB
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memory/4080-125-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4080-126-0x000000000043762E-mapping.dmp
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memory/4080-131-0x0000000004F00000-0x00000000053FE000-memory.dmpFilesize
5.0MB
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memory/4080-132-0x00000000053D0000-0x00000000053D1000-memory.dmpFilesize
4KB
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memory/4080-133-0x0000000005D60000-0x0000000005D61000-memory.dmpFilesize
4KB