Analysis
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max time kernel
137s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
13-05-2024 07:26
General
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Target
3e5b3579e97745512e8766b9c89aba66_JaffaCakes118.exe
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Size
503KB
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MD5
3e5b3579e97745512e8766b9c89aba66
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SHA1
43a67810e5278a542f6a4d8eb86040b64e34fb35
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SHA256
90e165246c0518ce77a98adbe2cd589bdc75d162f23fde3e7f837882b8facd2f
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SHA512
d967309ba2e26e71c692850c04aae9a90880614848c021e332d06d4de123c02cf07768b42503d065cde9187e3d56b1637d16b775f2c755a7b1ae01632000dc6c
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SSDEEP
12288:mY9OgcjseeEyx6a7AX8EmUfsgHYYKDWHe3odvByqTX:mgcjsfH6aamUfUfWDvcA
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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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\3e5b3579e97745512e8766b9c89aba66_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3e5b3579e97745512e8766b9c89aba66_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- 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
- 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
534KB
MD584c1dc6b428904cc2a6746653849df0f
SHA15cce4078427481f4d7456b5a4f3930ae6e706fb4
SHA256bc24e3c5408fea0b6f9aa0deb56a4636a8d0b9a6054ff1033efa6ccfe04ba44a
SHA5123b7a7607c3409b5ded563f2e1fcc0fa489c4465ab764d14a647b474968a025a95fa8ceb549fc70482b7b1dd935f66a41ada7b4910059786aafc870c5847a9245
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Filesize
225B
MD51e77bf000af3347e2808089d03ffc34b
SHA16f8ec790634583a6a7640138a92a49de71b7e3d6
SHA256dfc2ad4bd81e656c4ff596ee0b0473af6a5cc43bca4defbf9b36da918040cb9b
SHA51265323302e51a2f8e314105931ccc3c05700c8121a6e299d3fc8483f2b356f18b937cf33b8f0a2db29a51cf811902b123be0c972ec50fb97fb23974a0ade4f843
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Filesize
262KB
MD551d32ee5bc7ab811041f799652d26e04
SHA1412193006aa3ef19e0a57e16acf86b830993024a
SHA2566230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
SHA5125fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
3KB
MD5ffa89729de0343e009982d89b0a80cf1
SHA1e6735814b864e7c0802ba65fc54811e9273efb7c
SHA256d48aeb97d3383553bb9ee6a09f29cc359fe412cf9f2f5da0bd4633e32001b97a
SHA512d42a2c972abf38ae8d7a861139d4f19a745feef23a2494f2f51e4d8129bb2ad020494301b1142f12d82472983167d1c975c0ca2eb3397ccf12cfe1260ce5ee04
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Filesize
3KB
MD57bdfa691067620fd1e167226c83d0488
SHA1de252e8c94f581401d43ca129b758ef720e706b6
SHA256f446908f6d2bd415296b3abba4038307034fd150e23daa20f807daa31ceff0e4
SHA51245fba2bf6e20b230cbfc122db9b7f00047edc44ce4be89ed648d8cb609e4e935f04722b3a384685b2a1dc678396a348fd5d69997102dc1db3d0419ae506970d0
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Filesize
2KB
MD5b73ace90e3fbada0e8baa0d47b2cbd6f
SHA12147bfa5d92cb0c3fd296e7c90befa08564240a6
SHA25694f271283b679ee024724d1aee0f4ead90ce56fb67813b5e0cbc082091fbe364
SHA512d1a9d73fca25a73782bd0170937225afdb402a354a7fb6ea308114e276aed7f77ef211c458dd03292d2e90cd1d61976340396540ac410d452bda363f6d2ee157
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Filesize
560KB
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Filesize
4KB
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Filesize
4KB
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Filesize
2.0MB
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Filesize
5.6MB
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Filesize
2.0MB
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Filesize
584KB
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Filesize
408KB
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Filesize
40KB
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Filesize
240KB
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Filesize
72KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
4KB
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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
2.0MB
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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
2.0MB
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Filesize
2.0MB
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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
2.0MB
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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
4KB
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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