vidar | f85233c2e5336f961070529581d6f1a2557435ec7c11ccabb708321c2419d1b2

Analysis

max time kernel
140s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13-02-2025 20:35

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General

Target

2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe
Size

5.0MB
MD5

7de3106bf80053132e35d123cca2eb8b
SHA1

4d699b2c5f24af383e4cf09db72814c86e84879f
SHA256

f85233c2e5336f961070529581d6f1a2557435ec7c11ccabb708321c2419d1b2
SHA512

55b1e7ed15f611cd0f3664d7fd58161c1869f7da040ba4f89df9af12c7a96454a5624db445a5ce34d8add6c7daa2adc5b9e13d1c8bc6357e6cfb6ef5c5e1b453
SSDEEP

49152:aEjRNxxJ4r2qNRN6CTe1pkdKdbEtfuIwvXSTA1Ea7gdhQSvl45Nf63u713i:/FNfJwrRN6CTQp2KNPSbal

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 10 IoCs

stealer

resource	yara_rule
behavioral1/memory/3020-1-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/3020-2-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/3020-3-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/3020-147-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/3020-166-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/3020-185-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/3020-225-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/3020-265-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/3020-266-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/3020-270-0x0000000000400000-0x0000000000422000-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
2132	chrome.exe
1744	chrome.exe
2728	chrome.exe
2292	chrome.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30

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	2025-02-13_7de3106bf80053132e35d123cca2eb8b_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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	BitLockerToGo.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3020	BitLockerToGo.exe
3020	BitLockerToGo.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
3020	BitLockerToGo.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2132	chrome.exe
Token: SeShutdownPrivilege	2132	chrome.exe
Token: SeShutdownPrivilege	2132	chrome.exe
Token: SeShutdownPrivilege	2132	chrome.exe
Token: SeShutdownPrivilege	2132	chrome.exe
Token: SeShutdownPrivilege	2132	chrome.exe
Token: SeShutdownPrivilege	2132	chrome.exe
Token: SeShutdownPrivilege	2132	chrome.exe
Token: SeShutdownPrivilege	2132	chrome.exe
Token: SeShutdownPrivilege	2132	chrome.exe
Token: SeShutdownPrivilege	2132	chrome.exe
Token: SeShutdownPrivilege	2132	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe
2132	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 2936 wrote to memory of 3020	2936	2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe	30
PID 3020 wrote to memory of 2132	3020	BitLockerToGo.exe	32
PID 3020 wrote to memory of 2132	3020	BitLockerToGo.exe	32
PID 3020 wrote to memory of 2132	3020	BitLockerToGo.exe	32
PID 3020 wrote to memory of 2132	3020	BitLockerToGo.exe	32
PID 2132 wrote to memory of 1696	2132	chrome.exe	33
PID 2132 wrote to memory of 1696	2132	chrome.exe	33
PID 2132 wrote to memory of 1696	2132	chrome.exe	33
PID 2132 wrote to memory of 972	2132	chrome.exe	34
PID 2132 wrote to memory of 972	2132	chrome.exe	34
PID 2132 wrote to memory of 972	2132	chrome.exe	34
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2980	2132	chrome.exe	36
PID 2132 wrote to memory of 2900	2132	chrome.exe	37
PID 2132 wrote to memory of 2900	2132	chrome.exe	37
PID 2132 wrote to memory of 2900	2132	chrome.exe	37

C:\Users\Admin\AppData\Local\Temp\2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-13_7de3106bf80053132e35d123cca2eb8b_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- 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:3020
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2132
  - - 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:7 --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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef7839758,0x7fef7839768,0x7fef7839778
      4⤵
      PID:1696
  - - C:\Windows\system32\ctfmon.exe
      ctfmon.exe
      4⤵
      PID:972
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1156 --field-trial-handle=1168,i,16418047546377900146,5302437084755782116,131072 /prefetch:2
      4⤵
      PID:2980
  - - 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 --mojo-platform-channel-handle=1492 --field-trial-handle=1168,i,16418047546377900146,5302437084755782116,131072 /prefetch:8
      4⤵
      PID:2900
  - - 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=utility --mojo-platform-channel-handle=1576 --field-trial-handle=1168,i,16418047546377900146,5302437084755782116,131072 /prefetch:8
      4⤵
      PID:2764
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=1928 --field-trial-handle=1168,i,16418047546377900146,5302437084755782116,131072 /prefetch:1
      4⤵
      Uses browser remote debugging
      PID:1744
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2336 --field-trial-handle=1168,i,16418047546377900146,5302437084755782116,131072 /prefetch:1
      4⤵
      Uses browser remote debugging
      PID:2728
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=2820 --field-trial-handle=1168,i,16418047546377900146,5302437084755782116,131072 /prefetch:2
      4⤵
      PID:2504
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9223 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1376 --field-trial-handle=1168,i,16418047546377900146,5302437084755782116,131072 /prefetch:1
      4⤵
      Uses browser remote debugging
      PID:2292
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3720 --field-trial-handle=1168,i,16418047546377900146,5302437084755782116,131072 /prefetch:8
      4⤵
      PID:1388

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:2136

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

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab50F0.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5170.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/3020-147-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3020-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3020-166-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3020-185-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3020-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3020-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3020-225-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3020-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3020-265-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3020-266-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3020-270-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download