vidar | eddd58f52fc1ead5886f788892412d23a0fa5fc4c76af2548ea7321c2f6c4d9c

General

Target

Loader.exe
Size

445KB
MD5

9e30553b003e6c9099ce52ea18d0a6f9
SHA1

b4de671b594ad90439a43cf4de49606ee6798298
SHA256

eddd58f52fc1ead5886f788892412d23a0fa5fc4c76af2548ea7321c2f6c4d9c
SHA512

5788097d8a613e78644e8a94123b06d93c708216fe92c2865017933bd3b4ec507107c68ec31c7d58c595032b570f8c4e8f56db9d51927a3764fb699d89ff70c3
SSDEEP

6144:EAYL50f+dgN8BMStlQfAk/X0DfU/8utzIPrdWspxFoZDf820w7/vFip6y/OMB:EAM9e82fZPMfq3tzWdvoZL9/fMB

Score

10^/10

vidar 408 spyware stealer

Malware Config

Extracted

Family

vidar

Version

2.5

Botnet

408

Attributes

profile_id
408

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

93694735961818256059.exe

pid process

1628 93694735961818256059.exe
Loads dropped DLL 4 IoCs

Processes:

AppLaunch.exe

pid process

1756 AppLaunch.exe
1756 AppLaunch.exe
1756 AppLaunch.exe
1756 AppLaunch.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

Loader.exe

description pid process target process

PID 1356 set thread context of 1756 1356 Loader.exe AppLaunch.exe

pid	process
1628	93694735961818256059.exe

pid	process
1756	AppLaunch.exe
1756	AppLaunch.exe
1756	AppLaunch.exe
1756	AppLaunch.exe

description	pid	process	target process
PID 1356 set thread context of 1756	1356	Loader.exe	AppLaunch.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

Processes:

AppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	AppLaunch.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1256 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

AppLaunch.exe

pid process

1756 AppLaunch.exe

pid	process
1256	timeout.exe

pid	process
1756	AppLaunch.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

Loader.exeAppLaunch.exe93694735961818256059.execmd.execmd.exe

description	pid	process	target process
PID 1356 wrote to memory of 1756	1356	Loader.exe	AppLaunch.exe
PID 1356 wrote to memory of 1756	1356	Loader.exe	AppLaunch.exe
PID 1356 wrote to memory of 1756	1356	Loader.exe	AppLaunch.exe
PID 1356 wrote to memory of 1756	1356	Loader.exe	AppLaunch.exe
PID 1356 wrote to memory of 1756	1356	Loader.exe	AppLaunch.exe
PID 1356 wrote to memory of 1756	1356	Loader.exe	AppLaunch.exe
PID 1356 wrote to memory of 1756	1356	Loader.exe	AppLaunch.exe
PID 1356 wrote to memory of 1756	1356	Loader.exe	AppLaunch.exe
PID 1356 wrote to memory of 1756	1356	Loader.exe	AppLaunch.exe
PID 1756 wrote to memory of 1628	1756	AppLaunch.exe	93694735961818256059.exe
PID 1756 wrote to memory of 1628	1756	AppLaunch.exe	93694735961818256059.exe
PID 1756 wrote to memory of 1628	1756	AppLaunch.exe	93694735961818256059.exe
PID 1756 wrote to memory of 1628	1756	AppLaunch.exe	93694735961818256059.exe
PID 1628 wrote to memory of 992	1628	93694735961818256059.exe	cmd.exe
PID 1628 wrote to memory of 992	1628	93694735961818256059.exe	cmd.exe
PID 1628 wrote to memory of 992	1628	93694735961818256059.exe	cmd.exe
PID 992 wrote to memory of 1804	992	cmd.exe	choice.exe
PID 992 wrote to memory of 1804	992	cmd.exe	choice.exe
PID 992 wrote to memory of 1804	992	cmd.exe	choice.exe
PID 1756 wrote to memory of 988	1756	AppLaunch.exe	cmd.exe
PID 1756 wrote to memory of 988	1756	AppLaunch.exe	cmd.exe
PID 1756 wrote to memory of 988	1756	AppLaunch.exe	cmd.exe
PID 1756 wrote to memory of 988	1756	AppLaunch.exe	cmd.exe
PID 1756 wrote to memory of 988	1756	AppLaunch.exe	cmd.exe
PID 1756 wrote to memory of 988	1756	AppLaunch.exe	cmd.exe
PID 1756 wrote to memory of 988	1756	AppLaunch.exe	cmd.exe
PID 988 wrote to memory of 1256	988	cmd.exe	timeout.exe
PID 988 wrote to memory of 1256	988	cmd.exe	timeout.exe
PID 988 wrote to memory of 1256	988	cmd.exe	timeout.exe
PID 988 wrote to memory of 1256	988	cmd.exe	timeout.exe
PID 988 wrote to memory of 1256	988	cmd.exe	timeout.exe
PID 988 wrote to memory of 1256	988	cmd.exe	timeout.exe
PID 988 wrote to memory of 1256	988	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1756

C:\ProgramData\93694735961818256059.exe
"C:\ProgramData\93694735961818256059.exe"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\93694735961818256059.exe
4⤵
- Suspicious use of WriteProcessMemory
PID:992

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:988

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
4⤵
- Delays execution with timeout.exe
PID:1256

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
1⤵
PID:1804

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\93694735961818256059.exe
Filesize
7.4MB

MD5
222696d7cb3de0177a5559f449f967e9

SHA1
15d2ca10d0b73a76276f7af53c00f601c956069a

SHA256
f109cb49e03c02fba349d29f8cca82bea9f557db066b305480f8615dde9640b2

SHA512
d8ef6a926308229a79aa941857283e6a7d1d8cd1b85af9dfea077dbd5c4c8c1aaf27d404634826e3e52e5d11d9a679d3d2de9b34a433d9171df20f9212583196

Download Submit
\ProgramData\93694735961818256059.exe
Filesize
7.4MB

MD5
222696d7cb3de0177a5559f449f967e9

SHA1
15d2ca10d0b73a76276f7af53c00f601c956069a

SHA256
f109cb49e03c02fba349d29f8cca82bea9f557db066b305480f8615dde9640b2

SHA512
d8ef6a926308229a79aa941857283e6a7d1d8cd1b85af9dfea077dbd5c4c8c1aaf27d404634826e3e52e5d11d9a679d3d2de9b34a433d9171df20f9212583196

Download Submit
\ProgramData\93694735961818256059.exe
Filesize
7.4MB

MD5
222696d7cb3de0177a5559f449f967e9

SHA1
15d2ca10d0b73a76276f7af53c00f601c956069a

SHA256
f109cb49e03c02fba349d29f8cca82bea9f557db066b305480f8615dde9640b2

SHA512
d8ef6a926308229a79aa941857283e6a7d1d8cd1b85af9dfea077dbd5c4c8c1aaf27d404634826e3e52e5d11d9a679d3d2de9b34a433d9171df20f9212583196

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/988-92-0x0000000000000000-mapping.dmp

Download
memory/992-90-0x0000000000000000-mapping.dmp

Download
memory/1256-94-0x0000000000000000-mapping.dmp

Download
memory/1628-88-0x0000000000000000-mapping.dmp

Download
memory/1756-62-0x0000000000142A3C-mapping.dmp

Download
memory/1756-64-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/1756-63-0x0000000000110000-0x0000000000182000-memory.dmp

Filesize
456KB

Download
memory/1756-56-0x0000000000110000-0x0000000000182000-memory.dmp

Filesize
456KB

Download
memory/1756-54-0x0000000000110000-0x0000000000182000-memory.dmp

Filesize
456KB

Download
memory/1756-66-0x0000000051120000-0x0000000051213000-memory.dmp

Filesize
972KB

Download
memory/1756-65-0x0000000000110000-0x0000000000182000-memory.dmp

Filesize
456KB

Download
memory/1804-91-0x0000000000000000-mapping.dmp

Download

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