General
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Target
IMG_20240822_150406.jpg
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Size
584KB
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Sample
240904-s6v6qstank
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MD5
5097affc6842d19aa393f03c4138e640
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SHA1
b24b8fdd3db9c20eb3687124941b35661ee534c1
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SHA256
9859eb9128b962a0d882c7205aa6f5310cf48bab15636a2eb55d81f043644e70
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SHA512
6bd73c88cd4b2f7655f073a9e8721b6e448546ab4a41db7eff82f6e001f20bb5d95199fe998625dc381a0420a0052ec026cf963554fc0de69eb30a9e4629c2df
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SSDEEP
12288:CjrKKyIuioUKhZ2HezKye7EX3fKlBj0ZURVej8Tu:vyEUKhZ2HezIEX3f0Bwuq
Static task
static1
Behavioral task
behavioral1
Sample
IMG_20240822_150406.jpg
Resource
win11-20240802-en
Malware Config
Extracted
revengerat
Guest
0.tcp.ngrok.io:19521
RV_MUTEX
Targets
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Target
IMG_20240822_150406.jpg
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Size
584KB
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MD5
5097affc6842d19aa393f03c4138e640
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SHA1
b24b8fdd3db9c20eb3687124941b35661ee534c1
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SHA256
9859eb9128b962a0d882c7205aa6f5310cf48bab15636a2eb55d81f043644e70
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SHA512
6bd73c88cd4b2f7655f073a9e8721b6e448546ab4a41db7eff82f6e001f20bb5d95199fe998625dc381a0420a0052ec026cf963554fc0de69eb30a9e4629c2df
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SSDEEP
12288:CjrKKyIuioUKhZ2HezKye7EX3fKlBj0ZURVej8Tu:vyEUKhZ2HezIEX3f0Bwuq
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Chimera
Ransomware which infects local and network files, often distributed via Dropbox links.
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Chimera Ransomware Loader DLL
Drops/unpacks executable file which resembles Chimera's Loader.dll.
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Modifies WinLogon for persistence
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RevengeRat Executable
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Downloads MZ/PE file
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Drops startup file
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Executes dropped EXE
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Uses the VBS compiler for execution
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Adds Run key to start application
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2Scripting
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1