Analysis
- max time kernel
122s - max time network
125s - platform
windows7_x64 - resource
win7-20231020-en - resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system - submitted
01/11/2023, 10:09
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
REMITTANCE COPY 0020200244442023.gz.exe
Resource
win7-20231020-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
REMITTANCE COPY 0020200244442023.gz.exe
Resource
win10v2004-20231023-en
11 signatures
150 seconds
General
- Target REMITTANCE COPY 0020200244442023.gz.exe
- Size 744KB
- Sample231101-l6smaagh44
- SHA256 f31bb7435b6f8828e77f9abcf151a84db7d2bf965443682f79e0e223be7c86ca
- MD5 62307ee86b3aa47e9f7b845fb5d56902
- SHA1 a36eed15e18e8a1566ac48de03e24c0642b34cc4
- SHA512 d6deccf69337f94549dfdb485fff84c3273715240fca8c05b3aa837f9aaa9f995f8aa0602e20d88ca6fd01c3732e638c72b460205a745a033495a0b9f857502f
- SSDEEP 12288:eMuce8G9LFaUrKRHG9XjHkmgxxN57L20Y/tRmpBrfRfYKXN8GGyxrVDOrg4d/4WB:e58G95UHG9XjGhhY/tRebXd53Os4uW9N
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.obynnehhhan.com
-
Port
587
-
Username
-
Password
G$MUuYG3
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 6 IoCs
resource yara_rule behavioral1/memory/1344-11-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1344-12-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1344-15-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1344-17-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1344-20-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1344-22-0x0000000004950000-0x0000000004990000-memory.dmp family_agenttesla - 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REMITTANCE COPY 0020200244442023.gz.exe Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REMITTANCE COPY 0020200244442023.gz.exe Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REMITTANCE COPY 0020200244442023.gz.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1380 set thread context of 1344 1380 REMITTANCE COPY 0020200244442023.gz.exe 28 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1344 REMITTANCE COPY 0020200244442023.gz.exe 1344 REMITTANCE COPY 0020200244442023.gz.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1344 REMITTANCE COPY 0020200244442023.gz.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1380 wrote to memory of 1344 1380 REMITTANCE COPY 0020200244442023.gz.exe 28 PID 1380 wrote to memory of 1344 1380 REMITTANCE COPY 0020200244442023.gz.exe 28 PID 1380 wrote to memory of 1344 1380 REMITTANCE COPY 0020200244442023.gz.exe 28 PID 1380 wrote to memory of 1344 1380 REMITTANCE COPY 0020200244442023.gz.exe 28 PID 1380 wrote to memory of 1344 1380 REMITTANCE COPY 0020200244442023.gz.exe 28 PID 1380 wrote to memory of 1344 1380 REMITTANCE COPY 0020200244442023.gz.exe 28 PID 1380 wrote to memory of 1344 1380 REMITTANCE COPY 0020200244442023.gz.exe 28 PID 1380 wrote to memory of 1344 1380 REMITTANCE COPY 0020200244442023.gz.exe 28 PID 1380 wrote to memory of 1344 1380 REMITTANCE COPY 0020200244442023.gz.exe 28 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REMITTANCE COPY 0020200244442023.gz.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REMITTANCE COPY 0020200244442023.gz.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY 0020200244442023.gz.exe"C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY 0020200244442023.gz.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY 0020200244442023.gz.exe"C:\Users\Admin\AppData\Local\Temp\REMITTANCE COPY 0020200244442023.gz.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1344
-