Analysis
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max time kernel
1s -
max time network
100s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
07-06-2024 03:35
Static task
static1
Behavioral task
behavioral1
Sample
67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe
Resource
win10v2004-20240508-en
General
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Target
67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe
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Size
2.9MB
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MD5
3765f2522f3544aa1fadef36a62c0c09
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SHA1
c550eac426af9007e0ccec9c879021cc408e17d7
-
SHA256
67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa
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SHA512
7ed7ede8897f65339732b705f950134ac4e2a3d2ee1aab3e29d50ed5c2894b473b9a798fb2218704a9f852f93c89fd34c19e48f074f381d839e4dd426076ba11
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SSDEEP
49152:rtpSxptE1AKnCtMS4cdR/z4+UVi4e9Crn:r/4nE1dCiKxx4e9Cb
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/r8z0l
https://steamcommunity.com/profiles/76561199698764354
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral2/memory/1100-1-0x0000000004170000-0x00000000042D6000-memory.dmp family_vidar_v7 behavioral2/memory/5096-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5096-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5096-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5096-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5096-16-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5096-33-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/5096-34-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Executes dropped EXE 1 IoCs
Processes:
kat59F7.tmppid process 5096 kat59F7.tmp -
Suspicious use of SetThreadContext 1 IoCs
Processes:
67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exedescription pid process target process PID 1100 set thread context of 5096 1100 67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe kat59F7.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exedescription pid process target process PID 1100 wrote to memory of 5096 1100 67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe kat59F7.tmp PID 1100 wrote to memory of 5096 1100 67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe kat59F7.tmp PID 1100 wrote to memory of 5096 1100 67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe kat59F7.tmp PID 1100 wrote to memory of 5096 1100 67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe kat59F7.tmp PID 1100 wrote to memory of 5096 1100 67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe kat59F7.tmp PID 1100 wrote to memory of 5096 1100 67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe kat59F7.tmp PID 1100 wrote to memory of 5096 1100 67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe kat59F7.tmp PID 1100 wrote to memory of 5096 1100 67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe kat59F7.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe"C:\Users\Admin\AppData\Local\Temp\67fbf8993a834461d0dccdad8dc8190e6851d280286e322fedc13cef37f6c5fa.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Users\Admin\AppData\Local\Temp\kat59F7.tmpC:\Users\Admin\AppData\Local\Temp\kat59F7.tmp2⤵
- Executes dropped EXE
PID:5096
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f