Analysis
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max time kernel
89s -
max time network
93s -
platform
windows7_x64 -
resource
win7 -
submitted
10/07/2020, 05:49
Static task
static1
Behavioral task
behavioral1
Sample
PO#0010710619_&_.exe
Resource
win7
Behavioral task
behavioral2
Sample
PO#0010710619_&_.exe
Resource
win10v200430
General
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Target
PO#0010710619_&_.exe
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Size
547KB
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MD5
abf87baf38d5003e0e69b83289444917
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SHA1
5ef6045701689fd8852e3eae580261fcd81e1d5d
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SHA256
ae402313cc96abc092b41ad2fe8f3b8dd5fdc9c75141dcec97619e8e90a43867
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SHA512
1ccdff2c0da62054c4b4be602b377f3d8822d6901b763f2ff17a8979253557221efe365e2afb89a9ff2f107f16ceff68a25050a62f45f4a55de0a7a2bdc82d26
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
41k2c4yfVG
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/928-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/928-3-0x0000000000446A5E-mapping.dmp family_agenttesla behavioral1/memory/928-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/928-5-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1492 set thread context of 928 1492 PO#0010710619_&_.exe 27 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 788 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1492 PO#0010710619_&_.exe 928 RegSvcs.exe 928 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1492 PO#0010710619_&_.exe Token: SeDebugPrivilege 928 RegSvcs.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1492 wrote to memory of 788 1492 PO#0010710619_&_.exe 24 PID 1492 wrote to memory of 788 1492 PO#0010710619_&_.exe 24 PID 1492 wrote to memory of 788 1492 PO#0010710619_&_.exe 24 PID 1492 wrote to memory of 788 1492 PO#0010710619_&_.exe 24 PID 1492 wrote to memory of 1028 1492 PO#0010710619_&_.exe 26 PID 1492 wrote to memory of 1028 1492 PO#0010710619_&_.exe 26 PID 1492 wrote to memory of 1028 1492 PO#0010710619_&_.exe 26 PID 1492 wrote to memory of 1028 1492 PO#0010710619_&_.exe 26 PID 1492 wrote to memory of 1028 1492 PO#0010710619_&_.exe 26 PID 1492 wrote to memory of 1028 1492 PO#0010710619_&_.exe 26 PID 1492 wrote to memory of 1028 1492 PO#0010710619_&_.exe 26 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27 PID 1492 wrote to memory of 928 1492 PO#0010710619_&_.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#0010710619_&_.exe"C:\Users\Admin\AppData\Local\Temp\PO#0010710619_&_.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lrmJjwjiUlDV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8FDF.tmp"2⤵
- Creates scheduled task(s)
PID:788
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"{path}"2⤵PID:1028
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:928
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