Overview
overview
10Static
static
31be1eb3fc9...a3.exe
windows7-x64
101be1eb3fc9...a3.exe
windows10-2004-x64
103b29f95096...37.exe
windows7-x64
103b29f95096...37.exe
windows10-2004-x64
1069cebec49a...97.exe
windows7-x64
1069cebec49a...97.exe
windows10-2004-x64
10cb3cd1f7db...e4.exe
windows7-x64
10cb3cd1f7db...e4.exe
windows10-2004-x64
10e164c86cf3...9b.exe
windows7-x64
1e164c86cf3...9b.exe
windows10-2004-x64
10Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system -
submitted
02-12-2023 01:03
Static task
static1
Behavioral task
behavioral1
Sample
1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe
Resource
win10v2004-20231127-en
Behavioral task
behavioral3
Sample
3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837.exe
Resource
win7-20231023-en
Behavioral task
behavioral4
Sample
3b29f950968c3e659a25e4d65085b3c2337db74cfcc88fb7172971b1c3f13837.exe
Resource
win10v2004-20231127-en
Behavioral task
behavioral5
Sample
69cebec49aad7594157deb014e52b24580e3a6e05476aac000fd0cf7b1c3bd97.exe
Resource
win7-20231023-en
Behavioral task
behavioral6
Sample
69cebec49aad7594157deb014e52b24580e3a6e05476aac000fd0cf7b1c3bd97.exe
Resource
win10v2004-20231127-en
Behavioral task
behavioral7
Sample
cb3cd1f7db0ac8ef966e513358935676673bd972b8baad11ef0f2a8bfdb9cbe4.exe
Resource
win7-20231020-en
Behavioral task
behavioral8
Sample
cb3cd1f7db0ac8ef966e513358935676673bd972b8baad11ef0f2a8bfdb9cbe4.exe
Resource
win10v2004-20231127-en
Behavioral task
behavioral9
Sample
e164c86cf3eead4541a719f3cc5f08a7f0b36384fb8e95098116acadad23a69b.exe
Resource
win7-20231020-en
General
-
Target
1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe
-
Size
623KB
-
MD5
8eab5e4d034fde42eb31add0cb923a97
-
SHA1
ac9f5a051227302049aa5136a26f30a3707db55c
-
SHA256
1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3
-
SHA512
54f6f28e0ad2ba4cf968fb766d000f97afb851a6886649c7968a39a3e09eff5974455164ba0e43963a1bc5a416b1fabfd6780c55cd794011ea474bd72c2accdb
-
SSDEEP
12288:14uUdaP5mn0llWSQSSKJOzIT5HiSRJ56/:ydaP5mn0llNQN2OzCti2z
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.asiaparadisehotel.com - Port:
587 - Username:
[email protected] - Password:
^b2ycDldex$@ - 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.
-
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exeRegAsm.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000\Software\Microsoft\Windows\CurrentVersion\Run\Szlaz = "C:\\Users\\Admin\\AppData\\Roaming\\Szlaz.exe" 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000\Software\Microsoft\Windows\CurrentVersion\Run\TlKsFB = "C:\\Users\\Admin\\AppData\\Roaming\\TlKsFB\\TlKsFB.exe" RegAsm.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 api.ipify.org 3 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exedescription pid process target process PID 2444 set thread context of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 2184 RegAsm.exe 2184 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe Token: SeDebugPrivilege 2184 RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exedescription pid process target process PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe PID 2444 wrote to memory of 2184 2444 1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe"C:\Users\Admin\AppData\Local\Temp\1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2184