Analysis
- max time kernel
142s - max time network
23s - platform
windows7_x64 - resource
win7v200430 - submitted
01/07/2020, 11:22
Static task
static1
Behavioral task
behavioral1
Sample
8,138.66 SWIFT COPY.exe
Resource
win7v200430
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
8,138.66 SWIFT COPY.exe
Resource
win10
0 signatures
0 seconds
General
- Target 8,138.66 SWIFT COPY.exe
- Size 528KB
- Sample200701-m7pncgbb86
- SHA256 12961898fb75d5bc9947018c28e4e6ddf277b12b0dcbffcc4acfc8893e661fb3
- MD5 9b3b87cbc25dca260c3152c0d2a95027
- SHA1 6e09a6447fc49120a490e05c3c3b53a2e925d004
- SHA512 b3c0d62f79199d5854c054c52d4629b83579fdd230c0f13d0782e36cf7fbc0f080cafd1daf6c03042dd274c512d293fcc3d4df77b2c63cadc680874d451b6aa5
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.twigachemicals.com
-
Port
587
-
Username
-
Password
hungry11111@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1768-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1768-5-0x000000000044770E-mapping.dmp family_agenttesla behavioral1/memory/1768-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1768-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts 8,138.66 SWIFT COPY.exe - 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
description pid Process procid_target PID 1520 set thread context of 1768 1520 8,138.66 SWIFT COPY.exe 28 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1840 schtasks.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 1588 REG.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1768 8,138.66 SWIFT COPY.exe 1768 8,138.66 SWIFT COPY.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1768 8,138.66 SWIFT COPY.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1520 wrote to memory of 1840 1520 8,138.66 SWIFT COPY.exe 26 PID 1520 wrote to memory of 1840 1520 8,138.66 SWIFT COPY.exe 26 PID 1520 wrote to memory of 1840 1520 8,138.66 SWIFT COPY.exe 26 PID 1520 wrote to memory of 1840 1520 8,138.66 SWIFT COPY.exe 26 PID 1520 wrote to memory of 1768 1520 8,138.66 SWIFT COPY.exe 28 PID 1520 wrote to memory of 1768 1520 8,138.66 SWIFT COPY.exe 28 PID 1520 wrote to memory of 1768 1520 8,138.66 SWIFT COPY.exe 28 PID 1520 wrote to memory of 1768 1520 8,138.66 SWIFT COPY.exe 28 PID 1520 wrote to memory of 1768 1520 8,138.66 SWIFT COPY.exe 28 PID 1520 wrote to memory of 1768 1520 8,138.66 SWIFT COPY.exe 28 PID 1520 wrote to memory of 1768 1520 8,138.66 SWIFT COPY.exe 28 PID 1520 wrote to memory of 1768 1520 8,138.66 SWIFT COPY.exe 28 PID 1520 wrote to memory of 1768 1520 8,138.66 SWIFT COPY.exe 28 PID 1768 wrote to memory of 1588 1768 8,138.66 SWIFT COPY.exe 30 PID 1768 wrote to memory of 1588 1768 8,138.66 SWIFT COPY.exe 30 PID 1768 wrote to memory of 1588 1768 8,138.66 SWIFT COPY.exe 30 PID 1768 wrote to memory of 1588 1768 8,138.66 SWIFT COPY.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\8,138.66 SWIFT COPY.exe"C:\Users\Admin\AppData\Local\Temp\8,138.66 SWIFT COPY.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fdCjoNRitbyf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4FD4.tmp"2⤵
- Creates scheduled task(s)
PID:1840
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C:\Users\Admin\AppData\Local\Temp\8,138.66 SWIFT COPY.exe"{path}"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f3⤵
- Modifies registry key
PID:1588
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