General
-
Target
rfq.exe
-
Size
3.5MB
-
Sample
240920-v2cjyayekq
-
MD5
16169512f2e05c8e01449e52ea10b525
-
SHA1
0724ad3ada6f7b87d0be9fe051da3e50449d9775
-
SHA256
0b232cd5b3cd6d2ba6d618a0bb68711901d2746be6dbdc67df1242459e0e5c5a
-
SHA512
7487faa357cdf96653d84d4b028725fa8650614bf6801ca61c78f2a4f42f8ac288172ae5eaa52365143aaf7edb9fd62ebdc40a6e578b897875eb682f8e299611
-
SSDEEP
98304:7trbTA1R2DHQaFMlXIolnL8eckZ6uWvBN3:hc1zC8YolnrckZ7K3
Static task
static1
Behavioral task
behavioral1
Sample
rfq.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
rfq.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
rfq.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
s82.gocheapweb.com - Port:
587 - Username:
[email protected] - Password:
london@1759 - Email To:
[email protected]
Extracted
redline
FOZ
212.162.149.53:2049
Targets
-
-
Target
rfq.exe
-
Size
3.5MB
-
MD5
16169512f2e05c8e01449e52ea10b525
-
SHA1
0724ad3ada6f7b87d0be9fe051da3e50449d9775
-
SHA256
0b232cd5b3cd6d2ba6d618a0bb68711901d2746be6dbdc67df1242459e0e5c5a
-
SHA512
7487faa357cdf96653d84d4b028725fa8650614bf6801ca61c78f2a4f42f8ac288172ae5eaa52365143aaf7edb9fd62ebdc40a6e578b897875eb682f8e299611
-
SSDEEP
98304:7trbTA1R2DHQaFMlXIolnL8eckZ6uWvBN3:hc1zC8YolnrckZ7K3
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine payload
-
Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Accesses cryptocurrency files/wallets, possible credential harvesting
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
AutoIT Executable
AutoIT scripts compiled to PE executables.
-
Drops file in System32 directory
-
Suspicious use of SetThreadContext
-
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1