Analysis
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max time kernel
135s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
12-09-2024 05:04
General
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Target
dbdca8a3ffa33284e03a1a7bd57e12ad_JaffaCakes118.exe
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Size
709KB
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MD5
dbdca8a3ffa33284e03a1a7bd57e12ad
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SHA1
facc92651a792c4c8abe606ca47424b4f042224b
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SHA256
f1f367c2bd3c1bc93a4c4a3081a3aa1072eb7a50d13927e3b5bc03c310248d3a
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SHA512
727cd27bfb0ffc7a9f76fd02417de92a34ef4a1ed341953b1f5c6f78f851c83d5de390d3168df89367196a3de25eb370be1c3867affc94ae6520dff22d36bd94
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SSDEEP
12288:UJr8tk+8yQiFDmBhfyW8vXAo+bcRkkOHia0crMIsTX:Wx+5QhfP5x7Nm
Malware Config
Extracted
quasar
2.1.0.0
svhost
myconect.ddns.net:6606
VNM_MUTEX_ND6PULLW5ZVLwo1nwR
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encryption_key
yaa63tXY4j55os5llHHd
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Venom Client Startup
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subdirectory
SubDir
Signatures
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Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Quasar RAT
Quasar is an open source Remote Access Tool.
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Quasar payload 2 IoCs
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VenomRAT
VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Drops desktop.ini file(s) 2 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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Drops file in Windows directory 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies registry class 1 IoCs
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Suspicious behavior: AddClipboardFormatListener 2 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 8 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\dbdca8a3ffa33284e03a1a7bd57e12ad_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\dbdca8a3ffa33284e03a1a7bd57e12ad_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\$77-Venom.exe"C:\Users\Admin\AppData\Roaming\$77-Venom.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Roaming\null (2).docx" /o ""2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
262KB
MD551d32ee5bc7ab811041f799652d26e04
SHA1412193006aa3ef19e0a57e16acf86b830993024a
SHA2566230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
SHA5125fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810
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Filesize
534KB
MD584c1dc6b428904cc2a6746653849df0f
SHA15cce4078427481f4d7456b5a4f3930ae6e706fb4
SHA256bc24e3c5408fea0b6f9aa0deb56a4636a8d0b9a6054ff1033efa6ccfe04ba44a
SHA5123b7a7607c3409b5ded563f2e1fcc0fa489c4465ab764d14a647b474968a025a95fa8ceb549fc70482b7b1dd935f66a41ada7b4910059786aafc870c5847a9245
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Filesize
327B
MD5dfd75b19360b64dc22f2a4f7dbd1b02d
SHA1eaa381992429d43e3156029c2de95ea2d4087ab4
SHA2564e922b07306512bc81256944914fbe6e590851cb6c41f6a0029acaac1cb33758
SHA512c3020e5149ac87f8dedfa97d536b3397f4153607a7b5bb21506c61af94e787e268e5654bb09774d9d6ebde02d34d4bb6fbb54badda1f847e0dad2ed1d3ebe8a5
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
2KB
MD5bab80f805baf551fff3281d75deeee24
SHA1bbc0690dbe1bd7730893c52edc6d3f008890aa56
SHA2563ad11372d1163f59810d7a0eaaf18a05a2ae1de66c067c2595f8a3c15b8ea02a
SHA512e8b73fd56bb4947a0f90e1c4e29ea1e1f919e16556a58bd79dc51a83218fd536c2aeb5dfc3651733fc97b6c6eaf8a7891c9a0bffea7ff067e37a59b5274ef8d5
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Filesize
1KB
MD5447c16319f21f4c539469d75b12d401d
SHA1db9091fd0774da3c5113755edc310cd852a07bd8
SHA2566d63e2cb83f5a7464618e64bd5ef67d11e84ac25f1334cb6f9290cb9cc3a5349
SHA5128d49e614dc5a557acd00a2f7287a0d0fd768ef871440c4f8cda9c6eaac877c332afd2ca5fb217afdf5d8463c8b08c8c5d5009b374e3eb01e95f801aca4947b6a
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Filesize
2KB
MD5b73ace90e3fbada0e8baa0d47b2cbd6f
SHA12147bfa5d92cb0c3fd296e7c90befa08564240a6
SHA25694f271283b679ee024724d1aee0f4ead90ce56fb67813b5e0cbc082091fbe364
SHA512d1a9d73fca25a73782bd0170937225afdb402a354a7fb6ea308114e276aed7f77ef211c458dd03292d2e90cd1d61976340396540ac410d452bda363f6d2ee157
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
4KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
4KB
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Filesize
2.0MB
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Filesize
5.7MB
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Filesize
4KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
240KB
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Filesize
4KB
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Filesize
2.0MB
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Filesize
408KB
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Filesize
72KB
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Filesize
560KB
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Filesize
40KB
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Filesize
5.6MB
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Filesize
4KB
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Filesize
2.0MB
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Filesize
584KB