Analysis
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max time kernel
4s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-06-2024 20:27
Static task
static1
Behavioral task
behavioral1
Sample
52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe
Resource
win10v2004-20240508-en
General
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Target
52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe
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Size
2.2MB
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MD5
0aecad6bb8ce263af80ebd55902b6c5a
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SHA1
1f4cd5a93f8cd7a55cd14b65ca6c027cedcb134c
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SHA256
52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969
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SHA512
16815f2977b5c9f01565ecf8b660e55f8d0338bce25e28eea0a592ca448b7574f6e791c82104e8940036b6500eec0eba3b5f1757f83b7d85af3c71184c6ab889
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SSDEEP
24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX/QU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPX21tuuIeNHYGY0LzjsJxK
Malware Config
Extracted
vidar
https://t.me/g067n
https://steamcommunity.com/profiles/76561199707802586
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral2/memory/1284-1-0x0000000004210000-0x0000000004323000-memory.dmp family_vidar_v7 behavioral2/memory/3128-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3128-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3128-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3128-24-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3128-25-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3128-42-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3128-43-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Executes dropped EXE 1 IoCs
Processes:
kat6503.tmppid process 3128 kat6503.tmp -
Suspicious use of SetThreadContext 1 IoCs
Processes:
52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exedescription pid process target process PID 1284 set thread context of 3128 1284 52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe kat6503.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat6503.tmppid process 3128 kat6503.tmp 3128 kat6503.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exedescription pid process target process PID 1284 wrote to memory of 3128 1284 52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe kat6503.tmp PID 1284 wrote to memory of 3128 1284 52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe kat6503.tmp PID 1284 wrote to memory of 3128 1284 52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe kat6503.tmp PID 1284 wrote to memory of 3128 1284 52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe kat6503.tmp PID 1284 wrote to memory of 3128 1284 52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe kat6503.tmp PID 1284 wrote to memory of 3128 1284 52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe kat6503.tmp PID 1284 wrote to memory of 3128 1284 52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe kat6503.tmp PID 1284 wrote to memory of 3128 1284 52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe kat6503.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe"C:\Users\Admin\AppData\Local\Temp\52c37c88a0551aae67d3a772564e9d48b06ecc875c9e86c16f161a47c83da969.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat6503.tmpC:\Users\Admin\AppData\Local\Temp\kat6503.tmp2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\kat6503.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1284-0-0x00000000024E0000-0x00000000024E1000-memory.dmpFilesize
4KB
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memory/1284-1-0x0000000004210000-0x0000000004323000-memory.dmpFilesize
1.1MB
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memory/1284-10-0x0000000000400000-0x0000000000641000-memory.dmpFilesize
2.3MB
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memory/3128-9-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3128-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3128-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3128-24-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3128-25-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3128-27-0x00000000227D0000-0x0000000022A2F000-memory.dmpFilesize
2.4MB
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memory/3128-42-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3128-43-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB