vidar | 53c454d3daba412d544f91eddec97c12c12f0b16aa1aa1595527be78210fbfcf

General

Target

SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe
Size

598KB
MD5

af5bfaa4908459155ade24245aab4a1b
SHA1

9d816d1d533e0b29e3765a1c5b8aba8de69e2f0b
SHA256

53c454d3daba412d544f91eddec97c12c12f0b16aa1aa1595527be78210fbfcf
SHA512

c4e51850a87d26253c81673021a79d5292344ad6e7b02c92fd65bb04d9832d18522083137b7e662779a7043bcfd39a879e16f7acbd2797a0f85993178fad76cd
SSDEEP

12288:dMmEES7ltqomDzkCeg3cOZG7/hHijTt9qhRuhUiMpwFDZ64fEETEO:dM7P7l6eQl9+Rn+klmt

Score

10^/10

vidar 8ecc9c7eaebfdf2a8cc0586d7419d6ea discovery stealer

Malware Config

Extracted

Family

vidar

Botnet

8ecc9c7eaebfdf2a8cc0586d7419d6ea

C2

https://t.me/maslengdsa

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 10 IoCs

stealer

resource	yara_rule
behavioral1/memory/2224-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2224-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2224-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2224-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2224-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2224-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2224-157-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2224-176-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2224-206-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2224-225-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2432 set thread context of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	2432	WerFault.exe	29

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	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2224	MSBuild.exe
2224	MSBuild.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30
PID 2432 wrote to memory of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30
PID 2432 wrote to memory of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30
PID 2432 wrote to memory of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30
PID 2432 wrote to memory of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30
PID 2432 wrote to memory of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30
PID 2432 wrote to memory of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30
PID 2432 wrote to memory of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30
PID 2432 wrote to memory of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30
PID 2432 wrote to memory of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30
PID 2432 wrote to memory of 2224	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	30
PID 2432 wrote to memory of 2552	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	31
PID 2432 wrote to memory of 2552	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	31
PID 2432 wrote to memory of 2552	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	31
PID 2432 wrote to memory of 2552	2432	SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe	31

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader47.43477.29852.19410.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 96
  2⤵
  - Program crash
  PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab9455.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9487.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2224-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-225-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2224-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-157-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-176-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2224-195-0x0000000020480000-0x00000000206DF000-memory.dmp

Filesize
2.4MB

Download
memory/2224-206-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2432-0-0x00000000000CF000-0x00000000000D1000-memory.dmp

Filesize
8KB

Download

Analysis

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