vidar | 51b818b4cd2dd4b07143c18007f9e6d75d6e4504e770f2f9a118ebbaa1d12fe7

Analysis

max time kernel
77s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-05-2022 09:21

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General

Target

pol.exe
Size

3.4MB
MD5

9be8334776a0be65062c2e5206169911
SHA1

c5ec78a888e4658909e26c9d9a94afea0baf7b4e
SHA256

51b818b4cd2dd4b07143c18007f9e6d75d6e4504e770f2f9a118ebbaa1d12fe7
SHA512

487342f927cfae1439c3ea43b562b5660d66125966ae8cdd9b725dfc087a05f9fd4a42cbf86d2553f49831a909d5d1d159237067bfdff8141981c8e9dd54a5db

Score

10^/10

vidar 1278 discovery evasion spyware stealer suricata themida trojan upx

Malware Config

Extracted

Family

vidar

Version

52.2

Botnet

1278

https://t.me/netflixaccsfree

https://mastodon.social/@ronxik12

Attributes

profile_id
1278

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved
suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved
suricata
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Vidar Stealer 6 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/4144-131-0x00000000003C0000-0x0000000000C98000-memory.dmp	family_vidar
behavioral2/memory/4144-132-0x00000000003C0000-0x0000000000C98000-memory.dmp	family_vidar
behavioral2/memory/4144-134-0x00000000003C0000-0x0000000000C98000-memory.dmp	family_vidar
behavioral2/memory/4144-135-0x00000000003C0000-0x0000000000C98000-memory.dmp	family_vidar
behavioral2/memory/4144-136-0x00000000003C0000-0x0000000000C98000-memory.dmp	family_vidar
behavioral2/memory/4144-137-0x00000000003C0000-0x0000000000C98000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

ZFHS9WVBAEQ2317VGA9Q.exe

pid process

4012 ZFHS9WVBAEQ2317VGA9Q.exe

pid	process
4012	ZFHS9WVBAEQ2317VGA9Q.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\ProgramData\ZFHS9WVBAEQ2317VGA9Q.exe	upx
C:\ProgramData\ZFHS9WVBAEQ2317VGA9Q.exe	upx

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

pol.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	pol.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	pol.exe

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

pol.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation pol.exe
Loads dropped DLL 2 IoCs

Processes:

pol.exe

pid process

4144 pol.exe
4144 pol.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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	pol.exe

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/4144-130-0x00000000003C0000-0x0000000000C98000-memory.dmp	themida
behavioral2/memory/4144-131-0x00000000003C0000-0x0000000000C98000-memory.dmp	themida
behavioral2/memory/4144-132-0x00000000003C0000-0x0000000000C98000-memory.dmp	themida
behavioral2/memory/4144-134-0x00000000003C0000-0x0000000000C98000-memory.dmp	themida
behavioral2/memory/4144-135-0x00000000003C0000-0x0000000000C98000-memory.dmp	themida
behavioral2/memory/4144-136-0x00000000003C0000-0x0000000000C98000-memory.dmp	themida
behavioral2/memory/4144-137-0x00000000003C0000-0x0000000000C98000-memory.dmp	themida

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
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

pol.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA pol.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

pol.exe

pid process

4144 pol.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	pol.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:

pol.exe

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1060 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3016 taskkill.exe

pid	process
1060	timeout.exe

pid	process
3016	taskkill.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

pol.exeZFHS9WVBAEQ2317VGA9Q.exe

pid	process
4144	pol.exe
4144	pol.exe
4144	pol.exe
4144	pol.exe
4144	pol.exe
4144	pol.exe
4144	pol.exe
4144	pol.exe
4144	pol.exe
4144	pol.exe
4012	ZFHS9WVBAEQ2317VGA9Q.exe
4012	ZFHS9WVBAEQ2317VGA9Q.exe
4012	ZFHS9WVBAEQ2317VGA9Q.exe
4012	ZFHS9WVBAEQ2317VGA9Q.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3016 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3016	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

pol.execmd.exeZFHS9WVBAEQ2317VGA9Q.execmd.exe

description	pid	process	target process
PID 4144 wrote to memory of 4012	4144	pol.exe	ZFHS9WVBAEQ2317VGA9Q.exe
PID 4144 wrote to memory of 4012	4144	pol.exe	ZFHS9WVBAEQ2317VGA9Q.exe
PID 4144 wrote to memory of 208	4144	pol.exe	cmd.exe
PID 4144 wrote to memory of 208	4144	pol.exe	cmd.exe
PID 4144 wrote to memory of 208	4144	pol.exe	cmd.exe
PID 208 wrote to memory of 3016	208	cmd.exe	taskkill.exe
PID 208 wrote to memory of 3016	208	cmd.exe	taskkill.exe
PID 208 wrote to memory of 3016	208	cmd.exe	taskkill.exe
PID 208 wrote to memory of 1060	208	cmd.exe	timeout.exe
PID 208 wrote to memory of 1060	208	cmd.exe	timeout.exe
PID 208 wrote to memory of 1060	208	cmd.exe	timeout.exe
PID 4012 wrote to memory of 2876	4012	ZFHS9WVBAEQ2317VGA9Q.exe	cmd.exe
PID 4012 wrote to memory of 2876	4012	ZFHS9WVBAEQ2317VGA9Q.exe	cmd.exe
PID 2876 wrote to memory of 2056	2876	cmd.exe	choice.exe
PID 2876 wrote to memory of 2056	2876	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\pol.exe
"C:\Users\Admin\AppData\Local\Temp\pol.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4144

C:\ProgramData\ZFHS9WVBAEQ2317VGA9Q.exe
"C:\ProgramData\ZFHS9WVBAEQ2317VGA9Q.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\ZFHS9WVBAEQ2317VGA9Q.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2876

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
4⤵
PID:2056

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im pol.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\pol.exe" & del C:\ProgramData\*.dll & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:208

C:\Windows\SysWOW64\taskkill.exe
taskkill /im pol.exe /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3016

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
3⤵
- Delays execution with timeout.exe
PID:1060

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\ZFHS9WVBAEQ2317VGA9Q.exe
Filesize
4.0MB

MD5
11b952bd0d9358fc739412c3b59fec4c

SHA1
fc200d4f6487d7a3dc36b0556e6da777f483bdf5

SHA256
64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387

SHA512
780fce88f28357d0fe083bc346f6c39dc8b3ff32b38783c2d21886184f124032700e5d9ae8614fca74478ae94c87c6fe7008b7df7dfd07603cd7c64e5bd75bcb

Download Submit
C:\ProgramData\ZFHS9WVBAEQ2317VGA9Q.exe
Filesize
4.0MB

MD5
11b952bd0d9358fc739412c3b59fec4c

SHA1
fc200d4f6487d7a3dc36b0556e6da777f483bdf5

SHA256
64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387

SHA512
780fce88f28357d0fe083bc346f6c39dc8b3ff32b38783c2d21886184f124032700e5d9ae8614fca74478ae94c87c6fe7008b7df7dfd07603cd7c64e5bd75bcb

Download Submit
C:\ProgramData\freebl3.dll
Filesize
326KB

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

Download Submit
C:\ProgramData\mozglue.dll
Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\mozglue.dll
Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\msvcp140.dll
Filesize
429KB

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
C:\ProgramData\nss3.dll
Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
C:\ProgramData\nss3.dll
Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
C:\ProgramData\softokn3.dll
Filesize
141KB

MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

Download Submit
C:\ProgramData\vcruntime140.dll
Filesize
81KB

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
memory/208-162-0x0000000000000000-mapping.dmp

Download
memory/1060-164-0x0000000000000000-mapping.dmp

Download
memory/2056-172-0x0000000000000000-mapping.dmp

Download
memory/2876-171-0x0000000000000000-mapping.dmp

Download
memory/3016-163-0x0000000000000000-mapping.dmp

Download
memory/4012-159-0x0000000000000000-mapping.dmp

Download
memory/4144-135-0x00000000003C0000-0x0000000000C98000-memory.dmp

Filesize
8.8MB

Download
memory/4144-138-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/4144-130-0x00000000003C0000-0x0000000000C98000-memory.dmp

Filesize
8.8MB

Download
memory/4144-134-0x00000000003C0000-0x0000000000C98000-memory.dmp

Filesize
8.8MB

Download
memory/4144-132-0x00000000003C0000-0x0000000000C98000-memory.dmp

Filesize
8.8MB

Download
memory/4144-133-0x0000000077D20000-0x0000000077EC3000-memory.dmp

Filesize
1.6MB

Download
memory/4144-131-0x00000000003C0000-0x0000000000C98000-memory.dmp

Filesize
8.8MB

Download
memory/4144-136-0x00000000003C0000-0x0000000000C98000-memory.dmp

Filesize
8.8MB

Download
memory/4144-137-0x00000000003C0000-0x0000000000C98000-memory.dmp

Filesize
8.8MB

Download