vidar | a7871004d96e99be9bc56c380d202abe563cf9693b5603cc2104608e292de247

General

Target

b1e4435d0ad9130d9f1a6355454883cc.exe
Size

563KB
MD5

b1e4435d0ad9130d9f1a6355454883cc
SHA1

cc6fa54f06ec39e87b2fcbe1dfab3330edd913fd
SHA256

a7871004d96e99be9bc56c380d202abe563cf9693b5603cc2104608e292de247
SHA512

e8c26e22434ae91631b16455d2bde6de15533e89ad6db7e3a3f28473242ece632ec775be2f984d422a0ecf44b11c0dfab42b0283dd35380326ef5ff6c50cee6e
SSDEEP

12288:E5af4cghIxOZuX86JY1oowOZ6XxAiVrjJgostVFVNV:Saf4cgus8XfeXv6T7YHFVNV

Score

10^/10

vidar 921 stealer

Malware Config

Extracted

Family

vidar

Version

39.8

Botnet

921

C2

https://xeronxikxxx.tumblr.com/

Attributes

profile_id
921

Signatures

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

Vidar Stealer 4 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2640-4-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2640-7-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2640-8-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2640-66-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Suspicious use of SetThreadContext 1 IoCs

Processes:

b1e4435d0ad9130d9f1a6355454883cc.exe

description pid process target process

PID 2204 set thread context of 2640 2204 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

584 2640 WerFault.exe b1e4435d0ad9130d9f1a6355454883cc.exe

description	pid	process	target process
PID 2204 set thread context of 2640	2204	b1e4435d0ad9130d9f1a6355454883cc.exe	b1e4435d0ad9130d9f1a6355454883cc.exe

pid	pid_target	process	target process
584	2640	WerFault.exe	b1e4435d0ad9130d9f1a6355454883cc.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

b1e4435d0ad9130d9f1a6355454883cc.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	b1e4435d0ad9130d9f1a6355454883cc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	b1e4435d0ad9130d9f1a6355454883cc.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	b1e4435d0ad9130d9f1a6355454883cc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b1e4435d0ad9130d9f1a6355454883cc.exe

description pid process

Token: SeDebugPrivilege 2204 b1e4435d0ad9130d9f1a6355454883cc.exe

description	pid	process
Token: SeDebugPrivilege	2204	b1e4435d0ad9130d9f1a6355454883cc.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

b1e4435d0ad9130d9f1a6355454883cc.exeb1e4435d0ad9130d9f1a6355454883cc.exe

description	pid	process	target process
PID 2204 wrote to memory of 2640	2204	b1e4435d0ad9130d9f1a6355454883cc.exe	b1e4435d0ad9130d9f1a6355454883cc.exe
PID 2204 wrote to memory of 2640	2204	b1e4435d0ad9130d9f1a6355454883cc.exe	b1e4435d0ad9130d9f1a6355454883cc.exe
PID 2204 wrote to memory of 2640	2204	b1e4435d0ad9130d9f1a6355454883cc.exe	b1e4435d0ad9130d9f1a6355454883cc.exe
PID 2204 wrote to memory of 2640	2204	b1e4435d0ad9130d9f1a6355454883cc.exe	b1e4435d0ad9130d9f1a6355454883cc.exe
PID 2204 wrote to memory of 2640	2204	b1e4435d0ad9130d9f1a6355454883cc.exe	b1e4435d0ad9130d9f1a6355454883cc.exe
PID 2204 wrote to memory of 2640	2204	b1e4435d0ad9130d9f1a6355454883cc.exe	b1e4435d0ad9130d9f1a6355454883cc.exe
PID 2204 wrote to memory of 2640	2204	b1e4435d0ad9130d9f1a6355454883cc.exe	b1e4435d0ad9130d9f1a6355454883cc.exe
PID 2204 wrote to memory of 2640	2204	b1e4435d0ad9130d9f1a6355454883cc.exe	b1e4435d0ad9130d9f1a6355454883cc.exe
PID 2204 wrote to memory of 2640	2204	b1e4435d0ad9130d9f1a6355454883cc.exe	b1e4435d0ad9130d9f1a6355454883cc.exe
PID 2640 wrote to memory of 584	2640	b1e4435d0ad9130d9f1a6355454883cc.exe	WerFault.exe
PID 2640 wrote to memory of 584	2640	b1e4435d0ad9130d9f1a6355454883cc.exe	WerFault.exe
PID 2640 wrote to memory of 584	2640	b1e4435d0ad9130d9f1a6355454883cc.exe	WerFault.exe
PID 2640 wrote to memory of 584	2640	b1e4435d0ad9130d9f1a6355454883cc.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe
"C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204

C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe
C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe
2⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 848
3⤵
- Program crash
PID:584

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarAC4D.tmp
Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
memory/2204-0-0x0000000001300000-0x0000000001390000-memory.dmp

Filesize
576KB

Download
memory/2204-1-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2204-2-0x0000000004B50000-0x0000000004B90000-memory.dmp

Filesize
256KB

Download
memory/2204-3-0x00000000004F0000-0x0000000000512000-memory.dmp

Filesize
136KB

Download
memory/2204-6-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-4-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2640-7-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2640-8-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2640-66-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads