Analysis
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max time kernel
145s -
max time network
120s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
20-04-2021 05:46
Static task
static1
Behavioral task
behavioral1
Sample
PO-no 74GW0942.exe
Resource
win7v20210410
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
PO-no 74GW0942.exe
Resource
win10v20210408
0 signatures
0 seconds
General
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Target
PO-no 74GW0942.exe
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Size
837KB
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MD5
4cde3609b918d4ef83a1f50dd0e6bc8e
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SHA1
69878bfdfe1b730f802bfa6ad515efdef96aa43f
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SHA256
5c4676ef5bd6f6d10826944d9e51efadb58fbbb936ff5f10d7aa91235c35946d
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SHA512
7def65260ab6f04c0b4e3af4754e54d28bd6a289152692f047915b2cc9fb5f799ae47a605efe401f1e606b0c7f787be13b68ac1ec67ba88539a12d041c6d8f5f
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
project2021blessinggoodgood2+me
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 behavioral1/memory/752-67-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/752-68-0x000000000043763E-mapping.dmp family_agenttesla behavioral1/memory/752-69-0x0000000000400000-0x000000000043C000-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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\AvrzbM = "C:\\Users\\Admin\\AppData\\Roaming\\AvrzbM\\AvrzbM.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO-no 74GW0942.exedescription pid process target process PID 484 set thread context of 752 484 PO-no 74GW0942.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
PO-no 74GW0942.exeRegSvcs.exepid process 484 PO-no 74GW0942.exe 484 PO-no 74GW0942.exe 484 PO-no 74GW0942.exe 484 PO-no 74GW0942.exe 752 RegSvcs.exe 752 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO-no 74GW0942.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 484 PO-no 74GW0942.exe Token: SeDebugPrivilege 752 RegSvcs.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
PO-no 74GW0942.exedescription pid process target process PID 484 wrote to memory of 1048 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 1048 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 1048 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 1048 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 1048 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 1048 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 1048 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe PID 484 wrote to memory of 752 484 PO-no 74GW0942.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-no 74GW0942.exe"C:\Users\Admin\AppData\Local\Temp\PO-no 74GW0942.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/484-60-0x0000000001390000-0x0000000001391000-memory.dmpFilesize
4KB
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memory/484-62-0x00000000003F0000-0x00000000003F1000-memory.dmpFilesize
4KB
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memory/484-63-0x0000000000BC0000-0x0000000000BC9000-memory.dmpFilesize
36KB
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memory/484-64-0x000000007EF40000-0x000000007EF41000-memory.dmpFilesize
4KB
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memory/484-65-0x0000000005280000-0x00000000052FE000-memory.dmpFilesize
504KB
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memory/484-66-0x0000000001200000-0x0000000001249000-memory.dmpFilesize
292KB
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memory/752-67-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/752-68-0x000000000043763E-mapping.dmp
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memory/752-69-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/752-71-0x0000000004A20000-0x0000000004A21000-memory.dmpFilesize
4KB