Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
14/01/2025, 14:49
General
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Target
RFQ PETROIL BID INVITATION EOI - 16674.01 4KPET0.exe
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Size
740KB
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MD5
c91883af9eea097a86818150d2ea403c
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SHA1
648a093b32fc9130dbd687d1019fef5956b78b5d
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SHA256
19541ea2e21c852ac3dd10b038380ac650cc048d42c1877f74067be6bdc1e9ab
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SHA512
7102950c4865c8cb0eb86f591e65c993ed0b8743b2c062f9643495f9288f4eaa1ae51f9fb90d5d0f2190ce0282aca93aaecf5f20aaa9cb19345d98720e2babe6
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SSDEEP
12288:HYRxA4Y5lyA/BxSPC/doJWVqO6V3Gb6CDrTL4eAG+vG+ufOwmHjZEAVNTqABdE78:4RUUwDry3OfmHLqR+Zf2RhL
Malware Config
Extracted
Protocol: smtp- Host:
mail.vimet.com.vn - Port:
587 - Username:
[email protected] - Password:
auHM5EXeLggV
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.vimet.com.vn - Port:
587 - Username:
[email protected] - Password:
auHM5EXeLggV - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Looks up external IP address via web service 3 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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Browser Information Discovery 1 TTPs
Enumerate browser information.
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ PETROIL BID INVITATION EOI - 16674.01 4KPET0.exe"C:\Users\Admin\AppData\Local\Temp\RFQ PETROIL BID INVITATION EOI - 16674.01 4KPET0.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RFQ PETROIL BID INVITATION EOI - 16674.01 4KPET0.exe"C:\Users\Admin\AppData\Local\Temp\RFQ PETROIL BID INVITATION EOI - 16674.01 4KPET0.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
288KB
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Filesize
5.2MB
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Filesize
320KB
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Filesize
1.8MB
-
Filesize
7.7MB
-
Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
40KB
-
Filesize
568KB
-
Filesize
624KB
-
Filesize
7.7MB
-
Filesize
4KB
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Filesize
7.7MB
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Filesize
104KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
768KB