vidar | 979e872622b1ae7ca6e9cb3599de8e400b3bfe537d3cb64261dffaa7956baa50

Analysis

max time kernel
120s
max time network
131s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
29/04/2024, 10:12

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General

Target

@#LATEST_SoftWare_2024_PASSCODE_$.rar
Size

51.5MB
MD5

c7c3d6aaa70594d6df0b8f3f40a7e2f6
SHA1

74f4da75221222f336009025a358366eaf6c1d68
SHA256

979e872622b1ae7ca6e9cb3599de8e400b3bfe537d3cb64261dffaa7956baa50
SHA512

c23ea4a4c280a529e798a89525fa14b02156d18e8029edb93920dcc1144d1346eb5ff18ebbc80caf55ab391205d7fa0b19d5dab1e029db523648e4b26f7af0b1
SSDEEP

786432:dMPQ7x53FKvsZTMlKxppk7c8joaJ6eWd7Gt9BZjQZfDG3q9PhUwuMr+NegCHR:dMP+/3F6StAoalWd7wOFawVRj

Score

10^/10

vidar 04eb8f77b9c9e4d5a6a6e5a3b727c27e stealer

Malware Config

Extracted

Family

vidar

Botnet

04eb8f77b9c9e4d5a6a6e5a3b727c27e

https://graims.xyz

https://steamcommunity.com/profiles/76561199677575543

https://t.me/snsb82

Attributes

profile_id_v2
04eb8f77b9c9e4d5a6a6e5a3b727c27e
user_agent
Mozilla/5.0 (Windows NT; Windows NT 10.0; en-US) AppleWebKit/534.6 (KHTML, like Gecko) Chrome/8.0.500.0 Safari/534.6

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral4/memory/2832-388-0x0000000000FB0000-0x0000000001702000-memory.dmp	family_vidar_v7
behavioral4/memory/2832-390-0x0000000000FB0000-0x0000000001702000-memory.dmp	family_vidar_v7
behavioral4/memory/2832-391-0x0000000000FB0000-0x0000000001702000-memory.dmp	family_vidar_v7

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

Executes dropped EXE 1 IoCs

pid	Process
2644	Setup.exe

Loads dropped DLL 5 IoCs

pid	Process
2644	Setup.exe
2644	Setup.exe
2644	Setup.exe
2644	Setup.exe
2832	PsExec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 896	2644	Setup.exe	91

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
4448	2832	WerFault.exe	93

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2644	Setup.exe
2644	Setup.exe
896	ftp.exe
896	ftp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5052	7zFM.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2644	Setup.exe
896	ftp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	5052	7zFM.exe
Token: 35	5052	7zFM.exe
Token: SeSecurityPrivilege	5052	7zFM.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5052	7zFM.exe
5052	7zFM.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3612	OpenWith.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 896	2644	Setup.exe	91
PID 2644 wrote to memory of 896	2644	Setup.exe	91
PID 2644 wrote to memory of 896	2644	Setup.exe	91
PID 2644 wrote to memory of 896	2644	Setup.exe	91
PID 896 wrote to memory of 2832	896	ftp.exe	93
PID 896 wrote to memory of 2832	896	ftp.exe	93
PID 896 wrote to memory of 2832	896	ftp.exe	93
PID 896 wrote to memory of 2832	896	ftp.exe	93
PID 896 wrote to memory of 2832	896	ftp.exe	93

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\@#LATEST_SoftWare_2024_PASSCODE_$.rar
1⤵
- Modifies registry class
PID:1592

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3612

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1188

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\@#LATEST_SoftWare_2024_PASSCODE_$.rar"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:5052

C:\Users\Admin\Desktop\New folder\Setup.exe
"C:\Users\Admin\Desktop\New folder\Setup.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\ftp.exe
  C:\Windows\SysWOW64\ftp.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:896
- - C:\Users\Admin\AppData\Local\Temp\PsExec.exe
    C:\Users\Admin\AppData\Local\Temp\PsExec.exe
    3⤵
    - Loads dropped DLL
    PID:2832
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 1556
      4⤵
      Program crash
      PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2832 -ip 2832
1⤵
PID:4000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db

Filesize
14KB

MD5
df6174acdde9286d5320b1263e26a1d9

SHA1
d79566c2c329b21ca0488087d87643d3db25b9cd

SHA256
489d01263901786804230863bf76507852fda144e7cfebe58973932e420239c9

SHA512
581556738de40ece831dc90ba0df4288ea4b53e5e32c009b403457f1e72f975c65334b67a9998ec5c27bf41e0d1709d9f9a7c33c1699c7d39f94681a83f1de7f

Download Submit
C:\Users\Admin\AppData\Local\Temp\PsExec.exe

Filesize
699KB

MD5
24a648a48741b1ac809e47b9543c6f12

SHA1
3e2272b916da4be3c120d17490423230ab62c174

SHA256
078163d5c16f64caa5a14784323fd51451b8c831c73396b967b4e35e6879937b

SHA512
b974ce956f2e922e92ca414d1bd6cc7bcb36bc44532b28b392f2a8052d6d47fd742841c4add6ec5c8283d28d7245b1704af34a523917e49cef007eef700a0b9a

Download Submit
C:\Users\Admin\AppData\Local\Temp\fb7c8e7d

Filesize
6.6MB

MD5
a398db349ff9447473cb81253565f644

SHA1
3a5e7cf632a25ca8ab70f9dcbd01ea261adbec27

SHA256
cf3a1b68ce7f7ada5e55780a95e77007f7d898616b2ccc7debb8aa8e726407a5

SHA512
5f2b949995a256bd5ab05943eefa7e77ccf01c890e5758dc57aed77665208e880e618a2fc7a2b0e0c464857e494359ae2635d95efc3c3cfaafce3eb4e14a5956

Download Submit
C:\Users\Admin\Desktop\New folder\Setup.exe

Filesize
31KB

MD5
67dedab5bc0159f7cc61cb4b46daa6f1

SHA1
5d57ef4bd9b6ac672c413c5e8495263672f090e3

SHA256
0e6f5eaa2cd91747213f6aec05e3de6fb46ea2b7cf4d5f3ac267128abc784d00

SHA512
4c7ed5d6e0a76ac6eec79e50ae9cd4b5fe3eacda574606e47d85bba1739902d688aa6f5ec03e7863ec9d36bdadf6229f64bce8fe33bacf38e84e50332a30caf0

Download Submit
C:\Users\Admin\Desktop\New folder\bersagliere.yml

Filesize
52KB

MD5
5c1674067e3ef99382ab283fc7e969e3

SHA1
3c2fe52472aaedf690bab16fa801bbe4b36002cf

SHA256
91fd630301631b88685602bf0d7353585c18e589189ed11ec620b37021683553

SHA512
17f6fb9675c6f106789dba4e3df8adcaf4a297ad08bc28a223694e2080d61e7901a612b1c4dab674467241ddeb72597bc19db866247debdc0e32480bd53f9ac2

Download Submit
C:\Users\Admin\Desktop\New folder\bivouac.m4a

Filesize
6.0MB

MD5
a1eaf011cca5726076ccfca62fd90a11

SHA1
b92e274b4793d2f4e69111ccdf93182e7e7ddb64

SHA256
11336a2aa99ff767dc4e547f8ce5924abeb2e440f6373e82dbd13c5c3ac873ff

SHA512
ffa07420d4a8a3a9828d079f5ff043f1c70704bcac74d10d59bdd52d56e84aad39cd14610c53b8229710b5faccccd3d58a1e8ce36fc472df58cec5802acf1402

Download Submit
C:\Users\Admin\Desktop\New folder\glib-2.0.dll

Filesize
1.0MB

MD5
2c86ec2ba23eb138528d70eef98e9aaf

SHA1
246846a3fe46df492f0887a31f7d52aae4faa71a

SHA256
030983470da06708cc55fd6aca92df199a051922b580db5db55c8cb6b203b51b

SHA512
396a3883fa65d7c3a0af7d607001a6099316a85563147cb34fa9806c9a4b39cfa90c7fa9eb4456399977eb47438d10896d25ed5327ae7aa3e3ae28cd1d13701c

Download Submit
C:\Users\Admin\Desktop\New folder\iconv.dll

Filesize
1.1MB

MD5
862dfc9bf209a46d6f4874614a6631cc

SHA1
43216aae64df217cba009145b6f9ad5b97fe927a

SHA256
84538f1aacebf9daad9fdb856611ab3d98a6d71c9ec79a8250eee694d2652a8b

SHA512
b0611cd9ad441871cca62291913197257660390fa4ea8a26cb41dc343a8a27ae111762de40c6f50cae3e365d8891500fc6ad0571aa3cd3a77eb83d9d488d19a8

Download Submit
C:\Users\Admin\Desktop\New folder\intl.dll

Filesize
87KB

MD5
d1a21e38593fddba8e51ed6bf7acf404

SHA1
759f16325f0920933ac977909b7fe261e0e129e6

SHA256
6a64c9cb0904ed48ce0d5cda137fcfd6dd463d84681436ca647b195aa2038a7e

SHA512
3f4390603cd68d949eb938c1599503fb1cbb1b8250638e0985fad2f40f08d5e45ea4a8c149e44a50c6aa9077054387c48f71b53bf06b713ca1e73a3d5a6a6c2e

Download Submit
C:\Users\Admin\Desktop\New folder\vmtools.dll

Filesize
617KB

MD5
f59ab22b88d1b2081810739c72bfa307

SHA1
e8c4651f185225b3da91e2e24a17fcb95fc40773

SHA256
0388d021f33fb0b922011854e3b49427c4ab38689f7d1ce663e9def6edc323f4

SHA512
e67c93b2b6eeeeb95396e6c7cf7217cc8503d8e6824a7941d6fb2d971049abeb974e880392868b0687b16eef41cdb70ef70b70fa92ab284d863105324ab819dd

Download Submit
memory/896-378-0x00007FFECD1C0000-0x00007FFECD3C9000-memory.dmp

Filesize
2.0MB

Download
memory/896-380-0x00000000740E0000-0x000000007425D000-memory.dmp

Filesize
1.5MB

Download
memory/2644-375-0x00000000740E0000-0x000000007425D000-memory.dmp

Filesize
1.5MB

Download
memory/2644-368-0x00007FFECD1C0000-0x00007FFECD3C9000-memory.dmp

Filesize
2.0MB

Download
memory/2644-367-0x00000000740E0000-0x000000007425D000-memory.dmp

Filesize
1.5MB

Download
memory/2832-387-0x00007FFECD1C0000-0x00007FFECD3C9000-memory.dmp

Filesize
2.0MB

Download
memory/2832-388-0x0000000000FB0000-0x0000000001702000-memory.dmp

Filesize
7.3MB

Download
memory/2832-390-0x0000000000FB0000-0x0000000001702000-memory.dmp

Filesize
7.3MB

Download
memory/2832-391-0x0000000000FB0000-0x0000000001702000-memory.dmp

Filesize
7.3MB

Download