vidar | a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b

General

Target

a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe
Size

571KB
MD5

7cc4518c0178f801094b2c60fd815050
SHA1

017d7ce204495228eaa13af1a6bac31e62ed7110
SHA256

a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b
SHA512

f3ba9721e5fd8be947dd9203624cfc86193f040f166a86212ca3be87232e8463664bb42294130c45900c9fd116b962dc1b11dcfd76c912196eb207151c20f366
SSDEEP

12288:Lgg1ZnYljsF91r+Nn15g0+tVCvfz06uN7Ds37AedrzivhVfTIQ4S:LznYEpG15g2vfAN7+7AetivhVMh

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 11 IoCs

stealer

resource	yara_rule
behavioral1/memory/2228-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2228-17-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2228-14-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2228-12-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2228-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2228-9-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2228-152-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2228-153-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2228-172-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2228-206-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2228-225-0x0000000000400000-0x0000000000676000-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 2132 set thread context of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2860	2132	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	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.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 4 IoCs

pid	Process
2228	MSBuild.exe
2228	MSBuild.exe
2228	MSBuild.exe
2228	MSBuild.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2176	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	30
PID 2132 wrote to memory of 2176	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	30
PID 2132 wrote to memory of 2176	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	30
PID 2132 wrote to memory of 2176	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	30
PID 2132 wrote to memory of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31
PID 2132 wrote to memory of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31
PID 2132 wrote to memory of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31
PID 2132 wrote to memory of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31
PID 2132 wrote to memory of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31
PID 2132 wrote to memory of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31
PID 2132 wrote to memory of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31
PID 2132 wrote to memory of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31
PID 2132 wrote to memory of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31
PID 2132 wrote to memory of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31
PID 2132 wrote to memory of 2228	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	31
PID 2132 wrote to memory of 2860	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	32
PID 2132 wrote to memory of 2860	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	32
PID 2132 wrote to memory of 2860	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	32
PID 2132 wrote to memory of 2860	2132	a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe	32

C:\Users\Admin\AppData\Local\Temp\a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe
"C:\Users\Admin\AppData\Local\Temp\a1dc5574153d5053abd2b3818737ec424082491006bc2dcf439b79d168d7b15b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2176
- 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:2228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 60
  2⤵
  - Program crash
  PID:2860

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
1f75d5f0c8b568657e59de36078dd58f

SHA1
866c2241b3e456b3d90eed3fdba53cc8443be5cf

SHA256
319b93285dc837032797d193c9ce69e3ee434a5b457b6123a0ee815ad264fa3e

SHA512
ff2054c73e965f986d2f1650add44026d080bd36fa3d2107102c7d71261270eac0b1ea346904557e10931afd7f40655577f5941be5157788780352f97aed825c

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabBE90.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarBF7D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2132-0-0x000000000014D000-0x000000000014F000-memory.dmp

Filesize
8KB

Download
memory/2132-97-0x000000000014D000-0x000000000014F000-memory.dmp

Filesize
8KB

Download
memory/2228-9-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-12-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2228-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-17-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-14-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-152-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-153-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-172-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-192-0x000000001DBA0000-0x000000001DDFF000-memory.dmp

Filesize
2.4MB

Download
memory/2228-206-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2228-225-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download

Analysis

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