Analysis
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max time kernel
128s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
12-12-2023 11:03
General
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Target
INVOICE_.exe
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Size
248KB
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MD5
d1e6e01d8c2621072feaf1ac125e7d8f
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SHA1
b37aa7269775413d7de0e52a102b91502ec75c0d
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SHA256
d84fbf42018329d0bf2f0045e15aa3b5c4c102e09b6853b3041944ea9f0b1a25
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SHA512
6399d554fb566e0928a753cda545569a6681a50d0ccc728029879a9873c4ea141967863de9fcf7d39adb9ed92d6f58fb9f243d181f1b8d329c3362028e4955a0
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SSDEEP
6144:WynXAf95NVvmYqY4ONgcfzORSc2RRhvHI:7Cqjcfy2RRhvHI
Malware Config
Extracted
Protocol: smtp- Host:
mail.merlinmotorworks.com - Port:
587 - Username:
[email protected] - Password:
Merlin1080S
Extracted
agenttesla
Protocol: smtp- Host:
mail.merlinmotorworks.com - Port:
587 - Username:
[email protected] - Password:
Merlin1080S - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect ZGRat V1 34 IoCs
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ZGRat
ZGRat is remote access trojan written in C#.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\INVOICE_.exeC:\Users\Admin\AppData\Local\Temp\INVOICE_.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5489c7565f9b029ba9fadff774073cc98
SHA156c05089b33ee7e7dfa9e6a2d098164efd8e1150
SHA25610bf6242da02dad8b2e1208b9dab9a7303cf986320e05e5ef20b99c9b71326d4
SHA512ddea09c011a8d4f85905842c2f34c98add0110a0b6b3b2709718c3614a2c42dec5f4f5d5b9442cfd3c6c23e9a90c8c0b25c14c3dbd42faea9cc8dd232cace1ac
-
Filesize
264KB
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Filesize
7.7MB
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Filesize
64KB
-
Filesize
408KB
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Filesize
64KB
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Filesize
7.7MB
-
Filesize
40KB
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Filesize
584KB
-
Filesize
624KB
-
Filesize
320KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
4KB
-
Filesize
652KB
-
Filesize
652KB
-
Filesize
672KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
248KB
-
Filesize
264KB
-
Filesize
304KB
-
Filesize
5.6MB
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Filesize
7.7MB