Analysis
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max time kernel
135s -
max time network
136s -
platform
windows10_x64 -
resource
win10-en -
submitted
15-09-2021 06:39
Static task
static1
Behavioral task
behavioral1
Sample
SOA for V.R at USD.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
SOA for V.R at USD.exe
Resource
win10-en
windows10_x64
0 signatures
0 seconds
General
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Target
SOA for V.R at USD.exe
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Size
525KB
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MD5
0089096879cc5e90ef04d7358eca283a
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SHA1
758391d396000daf311cca9c6dc5488ccae3cef0
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SHA256
969ac78f2005f38fada828fd8271a8c0113ac67b9c40606fa19781f6d8fb5355
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SHA512
81f2281af773f7efe0e0c88009499ab3d75c9bea82f14750b64b791c8e9ce8d405361a2c3081df2ed77556342bf1b26c975de0e9a68bfb5b83c47d8dd86b224b
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/3844-125-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3844-126-0x00000000004375EE-mapping.dmp family_agenttesla behavioral2/memory/3844-131-0x00000000051A0000-0x000000000569E000-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-1-5-21-2559286294-2439613352-4032193287-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SOA for V.R at USD.exedescription pid process target process PID 3980 set thread context of 3844 3980 SOA for V.R at USD.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
SOA for V.R at USD.exeRegSvcs.exepid process 3980 SOA for V.R at USD.exe 3980 SOA for V.R at USD.exe 3844 RegSvcs.exe 3844 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SOA for V.R at USD.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3980 SOA for V.R at USD.exe Token: SeDebugPrivilege 3844 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
SOA for V.R at USD.exedescription pid process target process PID 3980 wrote to memory of 3844 3980 SOA for V.R at USD.exe RegSvcs.exe PID 3980 wrote to memory of 3844 3980 SOA for V.R at USD.exe RegSvcs.exe PID 3980 wrote to memory of 3844 3980 SOA for V.R at USD.exe RegSvcs.exe PID 3980 wrote to memory of 3844 3980 SOA for V.R at USD.exe RegSvcs.exe PID 3980 wrote to memory of 3844 3980 SOA for V.R at USD.exe RegSvcs.exe PID 3980 wrote to memory of 3844 3980 SOA for V.R at USD.exe RegSvcs.exe PID 3980 wrote to memory of 3844 3980 SOA for V.R at USD.exe RegSvcs.exe PID 3980 wrote to memory of 3844 3980 SOA for V.R at USD.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SOA for V.R at USD.exe"C:\Users\Admin\AppData\Local\Temp\SOA for V.R at USD.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⤵
- 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/3844-125-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3844-136-0x00000000051A0000-0x000000000569E000-memory.dmpFilesize
5.0MB
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memory/3844-133-0x0000000005F00000-0x0000000005F01000-memory.dmpFilesize
4KB
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memory/3844-132-0x0000000005670000-0x0000000005671000-memory.dmpFilesize
4KB
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memory/3844-131-0x00000000051A0000-0x000000000569E000-memory.dmpFilesize
5.0MB
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memory/3844-126-0x00000000004375EE-mapping.dmp
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memory/3980-119-0x00000000052B0000-0x00000000052B1000-memory.dmpFilesize
4KB
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memory/3980-123-0x00000000086F0000-0x0000000008757000-memory.dmpFilesize
412KB
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memory/3980-124-0x000000000B040000-0x000000000B07B000-memory.dmpFilesize
236KB
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memory/3980-122-0x0000000005250000-0x000000000574E000-memory.dmpFilesize
5.0MB
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memory/3980-121-0x0000000008790000-0x0000000008791000-memory.dmpFilesize
4KB
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memory/3980-120-0x00000000054C0000-0x00000000054C7000-memory.dmpFilesize
28KB
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memory/3980-115-0x0000000000940000-0x0000000000941000-memory.dmpFilesize
4KB
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memory/3980-118-0x0000000005750000-0x0000000005751000-memory.dmpFilesize
4KB
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memory/3980-117-0x00000000051B0000-0x00000000051B1000-memory.dmpFilesize
4KB