vidar | bcbf76090f928f9b226e254875a39fac714ec0834b32059e0ec6d2569e1948c7

General

Target

Unlock_Tool_2.4.exe
Size

523KB
MD5

9322dade271c6d3624bf54034f7af3d0
SHA1

3a60031879c5af72a9165c8f4a73e46f20de4b8d
SHA256

bcbf76090f928f9b226e254875a39fac714ec0834b32059e0ec6d2569e1948c7
SHA512

46bb6fb6470f9eb670d0425995760eec230ff78530cb0deb56ca9b5a5080138228ccd088c0e2a52ad6235289b92174a0398fbcd68070f1ddf26990f4ef4b5232
SSDEEP

12288:VVIooOkKE113w9o0ZWoxePBeGw1/7+fYnNlvb06fu+33tEO:QoQfb3w9oyWYsjMCfYNm29t

Score

10^/10

vidar 23a142269e47ce1692ccc9fb68473bc2 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

23a142269e47ce1692ccc9fb68473bc2

C2

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

Detect Vidar Stealer 13 IoCs

stealer

resource	yara_rule
behavioral1/memory/1780-12-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-154-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-191-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-207-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-226-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-381-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-404-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-455-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1780-478-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2092 set thread context of 1780	2092	Unlock_Tool_2.4.exe	30

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2832	2092	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unlock_Tool_2.4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unlock_Tool_2.4.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	Unlock_Tool_2.4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Unlock_Tool_2.4.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
976	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	Unlock_Tool_2.4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	Unlock_Tool_2.4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 190000000100000010000000ba4f3972e7aed9dccdc210db59da13c90300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc251d00000001000000100000008f76b981d528ad4770088245e2031b630b0000000100000012000000440069006700690043006500720074000000140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc35300000001000000230000003021301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a82000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a	Unlock_Tool_2.4.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe
1780	Unlock_Tool_2.4.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 1780	2092	Unlock_Tool_2.4.exe	30
PID 2092 wrote to memory of 1780	2092	Unlock_Tool_2.4.exe	30
PID 2092 wrote to memory of 1780	2092	Unlock_Tool_2.4.exe	30
PID 2092 wrote to memory of 1780	2092	Unlock_Tool_2.4.exe	30
PID 2092 wrote to memory of 1780	2092	Unlock_Tool_2.4.exe	30
PID 2092 wrote to memory of 1780	2092	Unlock_Tool_2.4.exe	30
PID 2092 wrote to memory of 1780	2092	Unlock_Tool_2.4.exe	30
PID 2092 wrote to memory of 1780	2092	Unlock_Tool_2.4.exe	30
PID 2092 wrote to memory of 1780	2092	Unlock_Tool_2.4.exe	30
PID 2092 wrote to memory of 1780	2092	Unlock_Tool_2.4.exe	30
PID 2092 wrote to memory of 1780	2092	Unlock_Tool_2.4.exe	30
PID 2092 wrote to memory of 2832	2092	Unlock_Tool_2.4.exe	31
PID 2092 wrote to memory of 2832	2092	Unlock_Tool_2.4.exe	31
PID 2092 wrote to memory of 2832	2092	Unlock_Tool_2.4.exe	31
PID 2092 wrote to memory of 2832	2092	Unlock_Tool_2.4.exe	31
PID 1780 wrote to memory of 2420	1780	Unlock_Tool_2.4.exe	34
PID 1780 wrote to memory of 2420	1780	Unlock_Tool_2.4.exe	34
PID 1780 wrote to memory of 2420	1780	Unlock_Tool_2.4.exe	34
PID 1780 wrote to memory of 2420	1780	Unlock_Tool_2.4.exe	34
PID 2420 wrote to memory of 976	2420	cmd.exe	36
PID 2420 wrote to memory of 976	2420	cmd.exe	36
PID 2420 wrote to memory of 976	2420	cmd.exe	36
PID 2420 wrote to memory of 976	2420	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_2.4.exe
"C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_2.4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_2.4.exe
  "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_2.4.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GIEGHJEGHJKF" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2420
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 52
  2⤵
  - Program crash
  PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
04a8e45ea82f1f8acc31ef52f4e2d133

SHA1
e57f57f10a1be2f7a66348812f91a56119f88132

SHA256
acb96722f5df3581b881f515d3b9f3eb7fe9f20c20311d0e5f952dafb339ad1f

SHA512
5f1698cd5dd3faa1eeadb91c7cdeb7c6cd942a6ec70579e4bc4c74282c2a5b07f0f86929326b4fe485cf07a72a3a250f2331fab74f290c410eb810bf1a6ca8e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab1B21.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1B62.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/1780-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-207-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-478-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-154-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-191-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-193-0x0000000020A30000-0x0000000020C8F000-memory.dmp

Filesize
2.4MB

Download
memory/1780-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-226-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1780-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-12-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-381-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-404-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1780-455-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2092-0-0x00000000012EB000-0x00000000012EC000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing