vidar | 30c29e58e71a8e3b2468d14dfdd1624b17af3f5c8ea560bfd1a278c3a513c5a9

General

Target

ff4715e729352eea84052907b951cf32.exe
Size

4.2MB
MD5

ff4715e729352eea84052907b951cf32
SHA1

68440d3464d52b4aea96955b5c6725062e472329
SHA256

30c29e58e71a8e3b2468d14dfdd1624b17af3f5c8ea560bfd1a278c3a513c5a9
SHA512

3753c775dc22c168f1b036a9cf22befd957578c43d63b2eac9f23202aae5c8a20c39e925117c0836a430f60375b581e3154a35d5ae1147c16553712ed1e776e4

Score

10^/10

vidar discovery spyware stealer

Malware Config

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Loads dropped DLL 2 IoCs

Processes:

ff4715e729352eea84052907b951cf32.exe

pid process

1092 ff4715e729352eea84052907b951cf32.exe
1092 ff4715e729352eea84052907b951cf32.exe
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
JavaScript code in executable 1 IoCs

Processes:

resource yara_rule

\ProgramData\nss3.dll js
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

16 ip-api.com

pid	process
1092	ff4715e729352eea84052907b951cf32.exe
1092	ff4715e729352eea84052907b951cf32.exe

resource	yara_rule
\ProgramData\nss3.dll	js

flow	ioc
16	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs

Processes:

ff4715e729352eea84052907b951cf32.exe

pid	process
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ff4715e729352eea84052907b951cf32.exe

description pid process target process

PID 728 set thread context of 1092 728 ff4715e729352eea84052907b951cf32.exe ff4715e729352eea84052907b951cf32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1184 728 WerFault.exe ff4715e729352eea84052907b951cf32.exe

description	pid	process	target process
PID 728 set thread context of 1092	728	ff4715e729352eea84052907b951cf32.exe	ff4715e729352eea84052907b951cf32.exe

pid	pid_target	process	target process
1184	728	WerFault.exe	ff4715e729352eea84052907b951cf32.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:

ff4715e729352eea84052907b951cf32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ff4715e729352eea84052907b951cf32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ff4715e729352eea84052907b951cf32.exe

Delays execution with timeout.exe 3 IoCs
evasion

Processes:

timeout.exetimeout.exetimeout.exe

pid process

568 timeout.exe
3660 timeout.exe
1940 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4072 taskkill.exe

pid	process
568	timeout.exe
3660	timeout.exe
1940	timeout.exe

pid	process
4072	taskkill.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

ff4715e729352eea84052907b951cf32.exeWerFault.exeff4715e729352eea84052907b951cf32.exe

pid	process
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
728	ff4715e729352eea84052907b951cf32.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1184	WerFault.exe
1092	ff4715e729352eea84052907b951cf32.exe
1092	ff4715e729352eea84052907b951cf32.exe
1092	ff4715e729352eea84052907b951cf32.exe
1092	ff4715e729352eea84052907b951cf32.exe
1092	ff4715e729352eea84052907b951cf32.exe
1092	ff4715e729352eea84052907b951cf32.exe
1092	ff4715e729352eea84052907b951cf32.exe
1092	ff4715e729352eea84052907b951cf32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

ff4715e729352eea84052907b951cf32.exeWerFault.exetaskkill.exe

description	pid	process
Token: SeDebugPrivilege	728	ff4715e729352eea84052907b951cf32.exe
Token: SeRestorePrivilege	1184	WerFault.exe
Token: SeBackupPrivilege	1184	WerFault.exe
Token: SeDebugPrivilege	1184	WerFault.exe
Token: SeDebugPrivilege	4072	taskkill.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

ff4715e729352eea84052907b951cf32.execmd.execmd.execmd.exeff4715e729352eea84052907b951cf32.execmd.exe

description	pid	process	target process
PID 728 wrote to memory of 3768	728	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 728 wrote to memory of 3768	728	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 728 wrote to memory of 3768	728	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 3768 wrote to memory of 568	3768	cmd.exe	timeout.exe
PID 3768 wrote to memory of 568	3768	cmd.exe	timeout.exe
PID 3768 wrote to memory of 568	3768	cmd.exe	timeout.exe
PID 728 wrote to memory of 2568	728	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 728 wrote to memory of 2568	728	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 728 wrote to memory of 2568	728	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 2568 wrote to memory of 3660	2568	cmd.exe	timeout.exe
PID 2568 wrote to memory of 3660	2568	cmd.exe	timeout.exe
PID 2568 wrote to memory of 3660	2568	cmd.exe	timeout.exe
PID 728 wrote to memory of 3744	728	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 728 wrote to memory of 3744	728	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 728 wrote to memory of 3744	728	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 3744 wrote to memory of 1940	3744	cmd.exe	timeout.exe
PID 3744 wrote to memory of 1940	3744	cmd.exe	timeout.exe
PID 3744 wrote to memory of 1940	3744	cmd.exe	timeout.exe
PID 728 wrote to memory of 1092	728	ff4715e729352eea84052907b951cf32.exe	ff4715e729352eea84052907b951cf32.exe
PID 728 wrote to memory of 1092	728	ff4715e729352eea84052907b951cf32.exe	ff4715e729352eea84052907b951cf32.exe
PID 728 wrote to memory of 1092	728	ff4715e729352eea84052907b951cf32.exe	ff4715e729352eea84052907b951cf32.exe
PID 728 wrote to memory of 1092	728	ff4715e729352eea84052907b951cf32.exe	ff4715e729352eea84052907b951cf32.exe
PID 728 wrote to memory of 1092	728	ff4715e729352eea84052907b951cf32.exe	ff4715e729352eea84052907b951cf32.exe
PID 728 wrote to memory of 1092	728	ff4715e729352eea84052907b951cf32.exe	ff4715e729352eea84052907b951cf32.exe
PID 728 wrote to memory of 1092	728	ff4715e729352eea84052907b951cf32.exe	ff4715e729352eea84052907b951cf32.exe
PID 728 wrote to memory of 1092	728	ff4715e729352eea84052907b951cf32.exe	ff4715e729352eea84052907b951cf32.exe
PID 728 wrote to memory of 1092	728	ff4715e729352eea84052907b951cf32.exe	ff4715e729352eea84052907b951cf32.exe
PID 1092 wrote to memory of 2840	1092	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 1092 wrote to memory of 2840	1092	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 1092 wrote to memory of 2840	1092	ff4715e729352eea84052907b951cf32.exe	cmd.exe
PID 2840 wrote to memory of 4072	2840	cmd.exe	taskkill.exe
PID 2840 wrote to memory of 4072	2840	cmd.exe	taskkill.exe
PID 2840 wrote to memory of 4072	2840	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\ff4715e729352eea84052907b951cf32.exe
"C:\Users\Admin\AppData\Local\Temp\ff4715e729352eea84052907b951cf32.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:728

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:3768

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:568

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:2568

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:3660

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:3744

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:1940

C:\Users\Admin\AppData\Local\Temp\ff4715e729352eea84052907b951cf32.exe
"C:\Users\Admin\AppData\Local\Temp\ff4715e729352eea84052907b951cf32.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im ff4715e729352eea84052907b951cf32.exe /f & erase C:\Users\Admin\AppData\Local\Temp\ff4715e729352eea84052907b951cf32.exe & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:2840

C:\Windows\SysWOW64\taskkill.exe
taskkill /im ff4715e729352eea84052907b951cf32.exe /f
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 728 -s 1580
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1184

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

4

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/568-12-0x0000000000000000-mapping.dmp

Download
memory/728-2-0x00000000730E0000-0x00000000737CE000-memory.dmp

Filesize
6.9MB

Download
memory/728-3-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/728-5-0x00000000053D0000-0x00000000053D1000-memory.dmp

Filesize
4KB

Download
memory/728-6-0x0000000005970000-0x0000000005971000-memory.dmp

Filesize
4KB

Download
memory/728-7-0x0000000005570000-0x0000000005571000-memory.dmp

Filesize
4KB

Download
memory/728-8-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

Download
memory/728-9-0x0000000004E90000-0x0000000004E91000-memory.dmp

Filesize
4KB

Download
memory/728-10-0x0000000008F70000-0x0000000009007000-memory.dmp

Filesize
604KB

Download
memory/1092-18-0x000000000045B4AD-mapping.dmp

Download
memory/1092-17-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1092-22-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1184-19-0x0000000004B60000-0x0000000004B61000-memory.dmp

Filesize
4KB

Download
memory/1940-16-0x0000000000000000-mapping.dmp

Download
memory/2568-13-0x0000000000000000-mapping.dmp

Download
memory/2840-25-0x0000000000000000-mapping.dmp

Download
memory/3660-14-0x0000000000000000-mapping.dmp

Download
memory/3744-15-0x0000000000000000-mapping.dmp

Download
memory/3768-11-0x0000000000000000-mapping.dmp

Download
memory/4072-26-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads