Analysis
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max time kernel
121s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20231201-en -
resource tags
arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2023 15:18
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe
Resource
win10v2004-20231201-en
General
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Target
SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe
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Size
777KB
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MD5
1a27787328335454dd7088c23d47b857
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SHA1
49bbde3ef989a9c4c43a4ca026cfc632fcab5136
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SHA256
583d249d488a67e338a0bbd3c03d3967fc179e226031bebde9b0913c889c70ac
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SHA512
faae3d7056387d240f4bcdb7a03deef3a440d96fc4dc34c6a41c61610f4d676b8afafa6862bb46ec658cb4a9f58c85e5ec566210bd165928674be690240141c5
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SSDEEP
12288:3GHhkZ548EdxclMGYCeqflEGhBZ1ZmfMAeiOMK0sXoe1ptHWOj:3uK/pixVGTNvZjl0Gl1n
Malware Config
Extracted
Protocol: smtp- Host:
mail.mrgrouppk.com - Port:
587 - Username:
[email protected] - Password:
~_ShAzIa.MRG2023_~
Extracted
agenttesla
Protocol: smtp- Host:
mail.mrgrouppk.com - Port:
587 - Username:
[email protected] - Password:
~_ShAzIa.MRG2023_~ - 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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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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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 2816 set thread context of 1972 2816 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe 92 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1972 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe 1972 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1972 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2816 wrote to memory of 1972 2816 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe 92 PID 2816 wrote to memory of 1972 2816 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe 92 PID 2816 wrote to memory of 1972 2816 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe 92 PID 2816 wrote to memory of 1972 2816 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe 92 PID 2816 wrote to memory of 1972 2816 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe 92 PID 2816 wrote to memory of 1972 2816 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe 92 PID 2816 wrote to memory of 1972 2816 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe 92 PID 2816 wrote to memory of 1972 2816 SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1972
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.CrypterX-gen.4872.19358.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3