Analysis
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max time kernel
192s -
max time network
265s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
07-06-2024 01:48
Static task
static1
Behavioral task
behavioral1
Sample
d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe
Resource
win7-20240220-en
General
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Target
d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe
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Size
2.4MB
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MD5
562687a84496956e4fa01811c02f45b4
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SHA1
926276d1633db57cdec97f26c1201dfd110048b4
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SHA256
d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec
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SHA512
9f42704656bf60b3e6a45722dde3f1e56d274333487a305618038c7ea18affbed1ffdfe580cc8e42589f17d3eb8691b5c3135254824f22cdddd830ae0d2b2c75
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SSDEEP
49152:wQc81KnB/a/hNT/dpYa8aesY3Ot4N7G/:wDta/hNT/dpn0etD/
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269
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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 7 IoCs
Processes:
resource yara_rule behavioral2/memory/4980-8-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4980-10-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4980-4-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4980-16-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4980-17-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4980-34-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 behavioral2/memory/4980-35-0x0000000000400000-0x0000000000649000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat84C0.tmppid process 4980 kat84C0.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exedescription pid process target process PID 4472 set thread context of 4980 4472 d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe kat84C0.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat84C0.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat84C0.tmp -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
kat84C0.tmppid process 4980 kat84C0.tmp 4980 kat84C0.tmp 4980 kat84C0.tmp 4980 kat84C0.tmp 4980 kat84C0.tmp 4980 kat84C0.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exedescription pid process target process PID 4472 wrote to memory of 4980 4472 d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe kat84C0.tmp PID 4472 wrote to memory of 4980 4472 d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe kat84C0.tmp PID 4472 wrote to memory of 4980 4472 d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe kat84C0.tmp PID 4472 wrote to memory of 4980 4472 d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe kat84C0.tmp PID 4472 wrote to memory of 4980 4472 d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe kat84C0.tmp PID 4472 wrote to memory of 4980 4472 d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe kat84C0.tmp PID 4472 wrote to memory of 4980 4472 d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe kat84C0.tmp PID 4472 wrote to memory of 4980 4472 d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe kat84C0.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe"C:\Users\Admin\AppData\Local\Temp\d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Users\Admin\AppData\Local\Temp\kat84C0.tmpC:\Users\Admin\AppData\Local\Temp\kat84C0.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4980
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
192KB
MD5e0220c91e870805066b20f9332d42a01
SHA1227b994b790d3a08551937d1f1cf1c01a4d9a0e3
SHA2560bc85276b24e039598ebd6b0ab1f702896e3d8b91b72f135ffc107ca1da01db7
SHA512c968ba57edf70d3f581292d88c953b81070353d720eb28ba911f94b54c5f04f1cba0be7756fbcbbbe5f1f44cbefeaaab095a4cfee48be0578c6cdf1bf1764766
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Filesize
448KB
MD5d7d3e9e68f500a5362ef855382d5934b
SHA1740495877cbcda9c61c8eb1ce3cb0c0f20738a81
SHA2568cdc50bc308edd6d0f70d7c8203f0ef469daaa62ae801a00c93e6b9160fef772
SHA512512f5d5764050274d5beb6c966c787eb50a9850ec4c4886cda14f3a912dc627d29d2cac5db7f825500041a47ce65ecc4e8f728dc934c748f6575ae17d4c2cf89