Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
05-10-2024 01:20
Static task
static1
Behavioral task
behavioral1
Sample
57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe
Resource
win10v2004-20240802-en
General
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Target
57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe
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Size
1.1MB
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MD5
9792f7f6dee89dc734d2d446f3198538
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SHA1
7164b61fa1b3c4aaaf12e115b56dc4570cc27fec
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SHA256
57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57
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SHA512
2fa5a4c4276b997c810c5a4a847798a38bd93861f67b9388a500e49e38feabc58d08c14a6bb26fd5d585f5e604d1dc7675f5fb20a8c7ac310b89df33c73c177c
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SSDEEP
24576:WfmMv6Ckr7Mny5Q6Jk6/qFrOxUjrzW0KOSFpictm:W3v+7/5Q6JqJOxUje0LS2cQ
Malware Config
Extracted
Protocol: ftp- Host:
ftp.ercolina-usa.com - Port:
21 - Username:
[email protected] - Password:
uy,o#mZj8$lY
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.ercolina-usa.com - Port:
21 - Username:
[email protected] - Password:
uy,o#mZj8$lY
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe" RegSvcs.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 1864 set thread context of 804 1864 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 804 RegSvcs.exe 804 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1864 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 804 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 804 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1864 wrote to memory of 804 1864 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe 30 PID 1864 wrote to memory of 804 1864 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe 30 PID 1864 wrote to memory of 804 1864 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe 30 PID 1864 wrote to memory of 804 1864 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe 30 PID 1864 wrote to memory of 804 1864 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe 30 PID 1864 wrote to memory of 804 1864 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe 30 PID 1864 wrote to memory of 804 1864 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe 30 PID 1864 wrote to memory of 804 1864 57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe"C:\Users\Admin\AppData\Local\Temp\57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1864 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\57cf822d3d87bbb27ad03d690af778d6aa2dc9730e52aef053a190918034fc57.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:804
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