Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 07:45
Static task
static1
Behavioral task
behavioral1
Sample
abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe
Resource
win10v2004-20240611-en
General
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Target
abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe
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Size
2.2MB
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MD5
9e43adcaf6daa18d61e3d9dec56e44fe
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SHA1
7c2512090d4dbc4a88eaaf741e33603734c9c5ff
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SHA256
abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8
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SHA512
6793d3c0f76e06f10ae8f6fc2eac2a268d4eab6fecf17e9db32f0f6cdb0eeecb6315658e4093f262e785ed9651ffb89621f7f9340afe334d605e27f0a0e4c203
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SSDEEP
24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXz7U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPs21tuuIeNHYGY0LzjsJxK
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 behavioral1/memory/2152-1-0x0000000002AE0000-0x0000000002BF3000-memory.dmp family_vidar_v7 behavioral1/memory/3964-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3964-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3964-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3964-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3964-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3964-33-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/3964-34-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat6580.tmppid process 3964 kat6580.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:
abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exedescription pid process target process PID 2152 set thread context of 3964 2152 abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe kat6580.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat6580.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 kat6580.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat6580.tmp -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat6580.tmppid process 3964 kat6580.tmp 3964 kat6580.tmp 3964 kat6580.tmp 3964 kat6580.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exedescription pid process target process PID 2152 wrote to memory of 3964 2152 abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe kat6580.tmp PID 2152 wrote to memory of 3964 2152 abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe kat6580.tmp PID 2152 wrote to memory of 3964 2152 abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe kat6580.tmp PID 2152 wrote to memory of 3964 2152 abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe kat6580.tmp PID 2152 wrote to memory of 3964 2152 abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe kat6580.tmp PID 2152 wrote to memory of 3964 2152 abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe kat6580.tmp PID 2152 wrote to memory of 3964 2152 abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe kat6580.tmp PID 2152 wrote to memory of 3964 2152 abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe kat6580.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe"C:\Users\Admin\AppData\Local\Temp\abb6136a4702cc68806d7737c646b1bf5de9d69bfafd792f8a6df63467cfa5c8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat6580.tmpC:\Users\Admin\AppData\Local\Temp\kat6580.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat6580.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/2152-0-0x0000000000900000-0x0000000000901000-memory.dmpFilesize
4KB
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memory/2152-1-0x0000000002AE0000-0x0000000002BF3000-memory.dmpFilesize
1.1MB
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memory/2152-9-0x0000000000400000-0x0000000000641000-memory.dmpFilesize
2.3MB
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memory/3964-4-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3964-8-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3964-10-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3964-22-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3964-23-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3964-26-0x0000000020270000-0x00000000204CF000-memory.dmpFilesize
2.4MB
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memory/3964-33-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB
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memory/3964-34-0x0000000000400000-0x0000000000648000-memory.dmpFilesize
2.3MB