vidar | f9a8f7bfe93aff2b25c733f46a9a5a7cbf366cb12cdee3a1262f1f737ea5204f

Analysis

max time kernel
94s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19-02-2025 21:35

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General

Target

2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe
Size

5.7MB
MD5

e75ea1fd0fb29383b2f4822022ddf34c
SHA1

c30e9c9b52b5394b591bfb40b13ef594ccedf316
SHA256

f9a8f7bfe93aff2b25c733f46a9a5a7cbf366cb12cdee3a1262f1f737ea5204f
SHA512

5662eebaf91c295aa56409e307ad09b47828b7e8986d906fa7e0d0b0aaba8008d6a0227bd8e770fe1138b75059e5c0505e66dc35685f07ed401ce2c462f77ce1
SSDEEP

49152:uYyT7q1dtjhwEM2wM1CRxMzIouecTPycvms1WmZURWBZQApOsmeW7LD/OI0x1DPS:1m7K7jNM2qazuycJ0X2T

Score

10^/10

vidar credential_access discovery stealer

Malware Config

Extracted

Family

vidar

https://t.me/b4cha00

https://steamcommunity.com/profiles/76561199825403037

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0

Signatures

Detect Vidar Stealer 12 IoCs

stealer

resource	yara_rule
behavioral2/memory/1904-1-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/1904-2-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/1904-3-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/1904-4-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/1904-5-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/1904-6-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/1904-40-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/1904-42-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/1904-43-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/1904-46-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/1904-50-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/1904-51-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar

Uses browser remote debugging 2 TTPs 4 IoCs

Can be used control the browser and steal sensitive information such as credentials and session cookies.

credential_access stealer

Steal Web Session Cookie

T1539

Modify Authentication Process

T1556

pid	Process
4604	chrome.exe
4656	chrome.exe
3148	chrome.exe
3352	chrome.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	BitLockerToGo.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	BitLockerToGo.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133844745761536680"	chrome.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1904	BitLockerToGo.exe
1904	BitLockerToGo.exe
1904	BitLockerToGo.exe
1904	BitLockerToGo.exe
4656	chrome.exe
4656	chrome.exe
1904	BitLockerToGo.exe
1904	BitLockerToGo.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4656	chrome.exe
Token: SeCreatePagefilePrivilege	4656	chrome.exe
Token: SeShutdownPrivilege	4656	chrome.exe
Token: SeCreatePagefilePrivilege	4656	chrome.exe
Token: SeShutdownPrivilege	4656	chrome.exe
Token: SeCreatePagefilePrivilege	4656	chrome.exe
Token: SeShutdownPrivilege	4656	chrome.exe
Token: SeCreatePagefilePrivilege	4656	chrome.exe
Token: SeShutdownPrivilege	4656	chrome.exe
Token: SeCreatePagefilePrivilege	4656	chrome.exe
Token: SeShutdownPrivilege	4656	chrome.exe
Token: SeCreatePagefilePrivilege	4656	chrome.exe
Token: SeShutdownPrivilege	4656	chrome.exe
Token: SeCreatePagefilePrivilege	4656	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe
4656	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93
PID 2596 wrote to memory of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93
PID 2596 wrote to memory of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93
PID 2596 wrote to memory of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93
PID 2596 wrote to memory of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93
PID 2596 wrote to memory of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93
PID 2596 wrote to memory of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93
PID 2596 wrote to memory of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93
PID 2596 wrote to memory of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93
PID 2596 wrote to memory of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93
PID 2596 wrote to memory of 1904	2596	2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe	93
PID 1904 wrote to memory of 4656	1904	BitLockerToGo.exe	94
PID 1904 wrote to memory of 4656	1904	BitLockerToGo.exe	94
PID 4656 wrote to memory of 1812	4656	chrome.exe	95
PID 4656 wrote to memory of 1812	4656	chrome.exe	95
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 2840	4656	chrome.exe	96
PID 4656 wrote to memory of 3628	4656	chrome.exe	97
PID 4656 wrote to memory of 3628	4656	chrome.exe	97
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98
PID 4656 wrote to memory of 768	4656	chrome.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-19_e75ea1fd0fb29383b2f4822022ddf34c_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1904
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9223 --profile-directory="Default"
    3⤵
    - Uses browser remote debugging
    - Enumerates system info in registry
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4656
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffd9852cc40,0x7ffd9852cc4c,0x7ffd9852cc58
      4⤵
      PID:1812
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1972,i,14033152628272747962,17639020276751893809,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=1968 /prefetch:2
      4⤵
      PID:2840
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=1852,i,14033152628272747962,17639020276751893809,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2004 /prefetch:3
      4⤵
      PID:3628
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2244,i,14033152628272747962,17639020276751893809,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2256 /prefetch:8
      4⤵
      PID:768
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3192,i,14033152628272747962,17639020276751893809,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3200 /prefetch:1
      4⤵
      Uses browser remote debugging
      PID:3148
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3208,i,14033152628272747962,17639020276751893809,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3344 /prefetch:1
      4⤵
      Uses browser remote debugging
      PID:3352
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4252,i,14033152628272747962,17639020276751893809,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3648 /prefetch:8
      4⤵
      PID:2348
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4644,i,14033152628272747962,17639020276751893809,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4676 /prefetch:1
      4⤵
      Uses browser remote debugging
      PID:4604
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4632,i,14033152628272747962,17639020276751893809,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4620 /prefetch:8
      4⤵
      PID:1012
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4796,i,14033152628272747962,17639020276751893809,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4924 /prefetch:8
      4⤵
      PID:2748
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4996,i,14033152628272747962,17639020276751893809,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4580 /prefetch:8
      4⤵
      PID:2404

C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
1⤵
PID:1568

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:4072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Modify Authentication Process

T1556

Privilege Escalation

Defense Evasion

Modify Authentication Process

T1556

Credential Access

Modify Authentication Process

T1556

Steal Web Session Cookie

T1539

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
memory/1904-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-4-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-5-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-40-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-42-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-43-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-46-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-50-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1904-51-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download