Analysis
-
max time kernel
91s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-09-2022 13:13
Static task
static1
Behavioral task
behavioral1
Sample
Payment copy_00000988.PDF.zip
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Payment copy_00000988.PDF.zip
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
Payment copy_00000988.PDF.exe
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
Payment copy_00000988.PDF.exe
Resource
win10v2004-20220812-en
General
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Target
Payment copy_00000988.PDF.exe
-
Size
822KB
-
MD5
21ab035bf0bb26fed935ca7265045272
-
SHA1
9091f79f60c8a52e7f75e6055363a32bea28b833
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SHA256
2f33e37286a03dee0a89bbac812d166203e5ddb1f6c2571110a08690a0df1bd0
-
SHA512
79cee8569eaa5d96b7781c2852da45539c8db3892c0d8d97b665bae722b32ea4bc8a3f511399888ba7a002a7ee633f7e4f97c9249aa101ce77c35c97a5fc8232
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SSDEEP
12288:I2iNJOLvLwo41Giv3Z2HfAZWM7dPJC1g+GU27ZUZUk7MHJ6:I1CLwo4YikHfAZR7Cg+n4UZZoH
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.darnfoss.com - Port:
587 - Username:
[email protected] - Password:
QhMzMMh0
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 6 IoCs
Processes:
resource yara_rule behavioral3/memory/1032-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral3/memory/1032-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral3/memory/1032-65-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral3/memory/1032-66-0x0000000000436C5E-mapping.dmp family_agenttesla behavioral3/memory/1032-68-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral3/memory/1032-70-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Payment copy_00000988.PDF.exedescription pid process target process PID 1112 set thread context of 1032 1112 Payment copy_00000988.PDF.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 1032 MSBuild.exe 1032 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 1032 MSBuild.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Payment copy_00000988.PDF.exedescription pid process target process PID 1112 wrote to memory of 1032 1112 Payment copy_00000988.PDF.exe MSBuild.exe PID 1112 wrote to memory of 1032 1112 Payment copy_00000988.PDF.exe MSBuild.exe PID 1112 wrote to memory of 1032 1112 Payment copy_00000988.PDF.exe MSBuild.exe PID 1112 wrote to memory of 1032 1112 Payment copy_00000988.PDF.exe MSBuild.exe PID 1112 wrote to memory of 1032 1112 Payment copy_00000988.PDF.exe MSBuild.exe PID 1112 wrote to memory of 1032 1112 Payment copy_00000988.PDF.exe MSBuild.exe PID 1112 wrote to memory of 1032 1112 Payment copy_00000988.PDF.exe MSBuild.exe PID 1112 wrote to memory of 1032 1112 Payment copy_00000988.PDF.exe MSBuild.exe PID 1112 wrote to memory of 1032 1112 Payment copy_00000988.PDF.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment copy_00000988.PDF.exe"C:\Users\Admin\AppData\Local\Temp\Payment copy_00000988.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1032