Analysis
-
max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
17-06-2024 17:03
Static task
static1
Behavioral task
behavioral1
Sample
5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe
Resource
win10v2004-20240508-en
General
-
Target
5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe
-
Size
2.9MB
-
MD5
1194e62491f4f10fcf9350468f24008c
-
SHA1
0763182ea5268195e565382d2067036477d37d25
-
SHA256
5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38
-
SHA512
8c10525336aba2e560b9a1e7c3d1e6ed6767e8e5739243efa6dfa015dba64480ee33c5f714c7561bc9c66f68e85a8bcd23550d997bc878ae9c872b902d10e69c
-
SSDEEP
24576:3rfd2kD0pPvPPUlfr76QUzzFiJK6bBHPB:Rx0XPcl36QzJKyBHPB
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
srv.masternic.net - Port:
587 - Username:
[email protected] - Password:
-H{2Szxi!%qb - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exedescription pid process target process PID 2188 set thread context of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regasm.exepid process 2184 regasm.exe 2184 regasm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
regasm.exedescription pid process Token: SeDebugPrivilege 2184 regasm.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exedescription pid process target process PID 2188 wrote to memory of 2164 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe installutil.exe PID 2188 wrote to memory of 2164 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe installutil.exe PID 2188 wrote to memory of 2164 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe installutil.exe PID 2188 wrote to memory of 2164 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe installutil.exe PID 2188 wrote to memory of 2164 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe installutil.exe PID 2188 wrote to memory of 2164 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe installutil.exe PID 2188 wrote to memory of 2164 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe installutil.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2184 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe regasm.exe PID 2188 wrote to memory of 2364 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe WerFault.exe PID 2188 wrote to memory of 2364 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe WerFault.exe PID 2188 wrote to memory of 2364 2188 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe WerFault.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe"C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵PID:2164
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2184 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2188 -s 6322⤵PID:2364