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Analysis
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max time kernel
133s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30/06/2024, 21:03
Static task
static1
Behavioral task
behavioral1
Sample
2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe
Resource
win10v2004-20240508-en
General
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Target
2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe
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Size
2.2MB
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MD5
2c96eb8a35b8a369631d1bf61caf234c
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SHA1
2e3510a6250b656d4dbcec4c0d8cdc8410de9449
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SHA256
2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4
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SHA512
30189986be9676302707e64904e08ea432af1affae62004b008c4f216b983c51599b4c81b5662e98078cb20a53ff2b0719f844f1e6ca751bc1d4971c5f79ffdc
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SSDEEP
24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXDmU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPB21tuuIeNHYGY0LzjsJxK
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 16 IoCs
resource yara_rule behavioral1/memory/3108-1-0x00000000041E0000-0x00000000042F3000-memory.dmp family_vidar_v7 behavioral1/memory/4824-8-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-40-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-41-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-50-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-57-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-65-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-66-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-77-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-78-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-79-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/4824-80-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation katF126.tmp -
Executes dropped EXE 1 IoCs
pid Process 4824 katF126.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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
description pid Process procid_target PID 3108 set thread context of 4824 3108 2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe 88 -
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 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 katF126.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katF126.tmp -
Delays execution with timeout.exe 1 IoCs
pid Process 2808 timeout.exe -
Suspicious behavior: EnumeratesProcesses 50 IoCs
pid Process 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp 4824 katF126.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3108 wrote to memory of 4824 3108 2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe 88 PID 3108 wrote to memory of 4824 3108 2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe 88 PID 3108 wrote to memory of 4824 3108 2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe 88 PID 3108 wrote to memory of 4824 3108 2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe 88 PID 3108 wrote to memory of 4824 3108 2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe 88 PID 3108 wrote to memory of 4824 3108 2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe 88 PID 3108 wrote to memory of 4824 3108 2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe 88 PID 3108 wrote to memory of 4824 3108 2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe 88 PID 4824 wrote to memory of 652 4824 katF126.tmp 96 PID 4824 wrote to memory of 652 4824 katF126.tmp 96 PID 4824 wrote to memory of 652 4824 katF126.tmp 96 PID 652 wrote to memory of 2808 652 cmd.exe 98 PID 652 wrote to memory of 2808 652 cmd.exe 98 PID 652 wrote to memory of 2808 652 cmd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe"C:\Users\Admin\AppData\Local\Temp\2177b6c0fc0e6e25d4d05c60bc45e739c80b6b76e5761878fc2d2083866a01a4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3108 -
C:\Users\Admin\AppData\Local\Temp\katF126.tmpC:\Users\Admin\AppData\Local\Temp\katF126.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\katF126.tmp" & rd /s /q "C:\ProgramData\CFIECFIJDAAK" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:652 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:2808
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3760,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:81⤵PID:4576
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=2976,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=2428 /prefetch:31⤵PID:2560
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
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Filesize
40B
MD520d4b8fa017a12a108c87f540836e250
SHA11ac617fac131262b6d3ce1f52f5907e31d5f6f00
SHA2566028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
SHA512507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f