Analysis
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max time kernel
125s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2024 17:10
Behavioral task
behavioral1
Sample
2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe
Resource
win10v2004-20240611-en
General
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Target
2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe
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Size
166KB
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MD5
47267596e9278466493d0766e0bc58d5
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SHA1
69152978f99129c76dd45a99dad857732d658cc1
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SHA256
2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb
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SHA512
949339b509895f0259c379b1aa0342f94db88814112232eccd901249baf92c7d9a605f0a18a1473ac49d34d311ae1d133bdba28d8d376ac46d0ab172b818e098
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SSDEEP
768:5ypDwT1ZBRerxpg4pXDOTJznXiBEKClD8:opDwT1ZCrnDpXDOZnEEKClo
Malware Config
Extracted
Protocol: smtp- Host:
162.254.34.31 - Port:
587 - Username:
[email protected] - Password:
ABwuRZS5Mjh5
Extracted
purecrypter
http://103.20.235.174/min/Bponzkhw.wav
Extracted
agenttesla
Protocol: smtp- Host:
162.254.34.31 - Port:
587 - Username:
[email protected] - Password:
ABwuRZS5Mjh5 - 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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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe -
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-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fotbczlce = "C:\\Users\\Admin\\AppData\\Roaming\\Fotbczlce.exe" 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.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 27 api.ipify.org 28 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4948 set thread context of 2432 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 4028 ipconfig.exe 4404 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2432 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 2432 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe Token: SeDebugPrivilege 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe Token: SeDebugPrivilege 2432 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4948 wrote to memory of 1748 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 94 PID 4948 wrote to memory of 1748 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 94 PID 4948 wrote to memory of 1748 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 94 PID 1748 wrote to memory of 4028 1748 cmd.exe 96 PID 1748 wrote to memory of 4028 1748 cmd.exe 96 PID 1748 wrote to memory of 4028 1748 cmd.exe 96 PID 4948 wrote to memory of 2432 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 98 PID 4948 wrote to memory of 2432 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 98 PID 4948 wrote to memory of 2432 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 98 PID 4948 wrote to memory of 2432 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 98 PID 4948 wrote to memory of 2432 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 98 PID 4948 wrote to memory of 2432 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 98 PID 4948 wrote to memory of 2432 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 98 PID 4948 wrote to memory of 2432 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 98 PID 4948 wrote to memory of 3144 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 99 PID 4948 wrote to memory of 3144 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 99 PID 4948 wrote to memory of 3144 4948 2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe 99 PID 3144 wrote to memory of 4404 3144 cmd.exe 101 PID 3144 wrote to memory of 4404 3144 cmd.exe 101 PID 3144 wrote to memory of 4404 3144 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe"C:\Users\Admin\AppData\Local\Temp\2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /release2⤵
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /release3⤵
- Gathers network information
PID:4028
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C:\Users\Admin\AppData\Local\Temp\2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe"C:\Users\Admin\AppData\Local\Temp\2cfd4cbfe7bedf67791eb6370d29d4651b172d0094d7530bb76858293f8045eb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2432
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /renew2⤵
- Suspicious use of WriteProcessMemory
PID:3144 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /renew3⤵
- Gathers network information
PID:4404
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3772,i,1305347165619645738,15927664461101562802,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:81⤵PID:232