Analysis
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max time kernel
119s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
08-05-2024 02:23
Behavioral task
behavioral1
Sample
Purchase Order No- 2300167.img.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Purchase Order No- 2300167.img.exe
Resource
win10v2004-20240426-en
General
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Target
Purchase Order No- 2300167.img.exe
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Size
2.3MB
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MD5
a8b1a4a2b64e40399bca04f35c584674
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SHA1
22b2103609c8f876362f212f553aac4be83ea2ba
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SHA256
ee18de715339b3be79855afe9216b6690afbd7d38e1167e16bff31e97e3d1e21
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SHA512
d321d1d5ffb6d34bd0cfeb52cd490db07614268c5968257e37e3ddf202ed29bcad649eab7913700e4711cda2e310356a2053c6151dc600895f3341727eb157e1
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SSDEEP
49152:MWex7ilL5ajr4GL0voJ5kna+2Qr5h5mklXHB6JrSpTCT:Mn7GojrtL0vg5czh5LOJyTCT
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.id-net.fr - Port:
587 - Username:
[email protected] - Password:
zhi33 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect ZGRat V1 34 IoCs
resource yara_rule behavioral1/memory/2312-4-0x0000000006280000-0x00000000064B0000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-8-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-6-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-5-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-10-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-12-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-14-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-64-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-16-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-18-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-20-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-22-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-24-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-26-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-28-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-30-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-32-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-34-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-36-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-38-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-40-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-42-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-44-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-50-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-68-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-66-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-62-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-60-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-58-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-56-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-54-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-52-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-48-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 behavioral1/memory/2312-46-0x0000000006280000-0x00000000064AB000-memory.dmp family_zgrat_v1 -
PureLog Stealer
PureLog Stealer is an infostealer written in C#.
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PureLog Stealer payload 1 IoCs
resource yara_rule behavioral1/memory/2312-1-0x0000000000D70000-0x0000000000FB6000-memory.dmp family_purelog_stealer -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\MvQHOaQ = "C:\\Users\\Admin\\AppData\\Roaming\\MvQHOaQ\\MvQHOaQ.exe" RegAsm.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2312 set thread context of 2252 2312 Purchase Order No- 2300167.img.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2252 RegAsm.exe 2252 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2312 Purchase Order No- 2300167.img.exe Token: SeDebugPrivilege 2312 Purchase Order No- 2300167.img.exe Token: SeDebugPrivilege 2252 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2252 RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28 PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28 PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28 PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28 PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28 PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28 PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28 PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28 PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28 PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28 PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28 PID 2312 wrote to memory of 2252 2312 Purchase Order No- 2300167.img.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order No- 2300167.img.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order No- 2300167.img.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2252
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