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Analysis
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max time kernel
137s -
max time network
87s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
10/07/2020, 07:03
Static task
static1
Behavioral task
behavioral1
Sample
TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
Resource
win7
Behavioral task
behavioral2
Sample
TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
Resource
win10v200430
General
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Target
TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
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Size
432KB
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MD5
b5c7a29264b4d054fa8ab1833b6f5db5
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SHA1
0b59c38fcdefff646150d48e8d5f3a7e60a5f0f1
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SHA256
a5ffa8a9df04f5c586bcfa6b8a66b84e9709b248b5832fabaf192a52695938c3
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SHA512
af653383a85111f545974fa872a4827067acdab1caddc4cbfcc1f111cd1a11182370b72e7703318f915ca05f2f1da7241052048b1442c6e483cbe5bb0f3023a0
Malware Config
Extracted
Protocol: ftp- Host:
ftp.rebu.co.rw - Port:
21 - Username:
[email protected] - Password:
o^Z0CIU?^yL2
Signatures
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Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 636 wrote to memory of 2588 636 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 72 PID 636 wrote to memory of 2588 636 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 72 PID 636 wrote to memory of 2588 636 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 72 PID 636 wrote to memory of 2588 636 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 72 PID 636 wrote to memory of 2588 636 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 72 PID 636 wrote to memory of 2588 636 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 72 PID 636 wrote to memory of 2588 636 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 72 PID 636 wrote to memory of 2588 636 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 72 PID 2588 wrote to memory of 952 2588 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 74 PID 2588 wrote to memory of 952 2588 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 74 PID 2588 wrote to memory of 952 2588 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 74 -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2588 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe -
Adds Run entry to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\IYLZX5 = "C:\\Users\\Admin\\AppData\\Roaming\\IYLZX5\\IYLZX5.exe" TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe -
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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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 636 set thread context of 2588 636 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 72 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2588 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2588 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe 2588 TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.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.
Processes
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C:\Users\Admin\AppData\Local\Temp\TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe"C:\Users\Admin\AppData\Local\Temp\TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:636 -
C:\Users\Admin\AppData\Local\Temp\TT DOC SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe"{path}"2⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetWindowsHookEx
- Adds Run entry to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:2588 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:952
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