Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
23/05/2024, 01:54
Behavioral task
behavioral1
Sample
ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe
Resource
win10v2004-20240426-en
General
- Target ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe
- Size 2.2MB
- Sample240523-cbv99ahf69
- SHA256 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f
- MD5 691aa96465589deb14addaf321373eb2
- SHA1 5eb36719ce086f04550b31a6ac407dffca280604
- SHA512 d6f651e33c358ba5017049dad47d42a4af4b1ecd7c6db1a83f010e17e00b4c275804cf954f7180086916913d6f9fbb2978ebf8e021312fa809ddea455af46060
- SSDEEP 49152:UeP+VyaJbYt3L6zqiHvTAWhVF5H9S1kvwWeDyox/IXA:J+VDJGbhSvBhPS2wWeDyoI
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.gencoldfire.com
-
Port
587
-
Username
-
Password
U+&%W@y1mSEUOinP
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.gencoldfire.com
-
Port
587
-
Username
-
Password
U+&%W@y1mSEUOinP
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- PureLog Stealer
PureLog Stealer is an infostealer written in C#.
- PureLog Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/928-1-0x0000000000A40000-0x0000000000C82000-memory.dmp family_purelog_stealer - 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.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 25 ip-api.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 928 set thread context of 4008 928 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe 86 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4008 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe 4008 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 928 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe Token: SeDebugPrivilege 928 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe Token: SeDebugPrivilege 4008 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 928 wrote to memory of 4008 928 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe 86 PID 928 wrote to memory of 4008 928 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe 86 PID 928 wrote to memory of 4008 928 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe 86 PID 928 wrote to memory of 4008 928 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe 86 PID 928 wrote to memory of 4008 928 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe 86 PID 928 wrote to memory of 4008 928 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe 86 PID 928 wrote to memory of 4008 928 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe 86 PID 928 wrote to memory of 4008 928 ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe"C:\Users\Admin\AppData\Local\Temp\ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Users\Admin\AppData\Local\Temp\ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe"C:\Users\Admin\AppData\Local\Temp\ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4008
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ca4fa21da193960c2a059ae4c682518ba41343fa6d2543d9a7ce15fdf692dc6f.exe.log
- Size 716B
- SHA256 807a02aa126863cf5b802851a3b42d233a856346c0fb13517236815a1764e963
- MD5 a92a2835b20b01436fb6517e97090bb1
- SHA1 1a179d6b4018cc896708aa112b9d683176ba59b9
- SHA512 ef51b2bcfa1cdd33a02176d87b609f8ea4a6c4cfcf69094e88459a19bd1c187872b3a789a46e28869dad63f559cab8d51ac1125a172d71c477f3dd0ec60550a9
- MD5 SHA1 SHA512