vidar | 05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811

Analysis

max time kernel
76s
max time network
142s
platform
windows7_x64
resource
win7-20220414-en
submitted
27-05-2022 17:53

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General

Target

05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe
Size

3.6MB
MD5

357fe7f6d6c38b0bf9c90d8a730f221b
SHA1

2c79680a3566fcede241fecd6e4a58e904b37bbe
SHA256

05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811
SHA512

5163875ffa53329f4d8c8d66db0d57a9c8e48949c015b30b25c832b3c755ac5b5dfb114f5fe2c058c90e97c389d4d4efc49cfef2e7d1803522d7db22c61b6b3b

Score

10^/10

vidar 231 discovery spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

10.7

Botnet

231

http://mooreny.top/

Attributes

profile_id
231

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata

Vidar Stealer 1 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/1660-68-0x0000000000400000-0x0000000005315000-memory.dmp	family_vidar

Executes dropped EXE 2 IoCs

Processes:

busshost.exeYTLoader.exe

pid process

1660 busshost.exe
1452 YTLoader.exe

pid	process
1660	busshost.exe
1452	YTLoader.exe

Loads dropped DLL 8 IoCs

Processes:

05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exeWerFault.exe

pid	process
1768	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe
1768	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe
1768	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe
2024	WerFault.exe
2024	WerFault.exe
2024	WerFault.exe
2024	WerFault.exe
2024	WerFault.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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 stealer

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 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
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
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

11 ip-api.com

flow	ioc
11	ip-api.com

Drops file in Program Files directory 4 IoCs

Processes:

05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\LetsSee!\YTLoader.exe	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe
File opened for modification	C:\Program Files (x86)\LetsSee!\busshost.exe	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe
File opened for modification	C:\Program Files (x86)\LetsSee!\Uninstall.exe	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe
File created	C:\Program Files (x86)\LetsSee!\Uninstall.ini	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2024 1452 WerFault.exe YTLoader.exe

pid	pid_target	process	target process
2024	1452	WerFault.exe	YTLoader.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

YTLoader.exebusshost.exe

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

YTLoader.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	YTLoader.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	YTLoader.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	YTLoader.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

busshost.exe

pid process

1660 busshost.exe
1660 busshost.exe
1660 busshost.exe
1660 busshost.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

YTLoader.exe

description pid process

Token: SeDebugPrivilege 1452 YTLoader.exe

pid	process
1660	busshost.exe
1660	busshost.exe
1660	busshost.exe
1660	busshost.exe

description	pid	process
Token: SeDebugPrivilege	1452	YTLoader.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exeYTLoader.exe

description	pid	process	target process
PID 1768 wrote to memory of 1660	1768	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe	busshost.exe
PID 1768 wrote to memory of 1660	1768	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe	busshost.exe
PID 1768 wrote to memory of 1660	1768	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe	busshost.exe
PID 1768 wrote to memory of 1660	1768	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe	busshost.exe
PID 1768 wrote to memory of 1452	1768	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe	YTLoader.exe
PID 1768 wrote to memory of 1452	1768	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe	YTLoader.exe
PID 1768 wrote to memory of 1452	1768	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe	YTLoader.exe
PID 1768 wrote to memory of 1452	1768	05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe	YTLoader.exe
PID 1452 wrote to memory of 2024	1452	YTLoader.exe	WerFault.exe
PID 1452 wrote to memory of 2024	1452	YTLoader.exe	WerFault.exe
PID 1452 wrote to memory of 2024	1452	YTLoader.exe	WerFault.exe
PID 1452 wrote to memory of 2024	1452	YTLoader.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe
"C:\Users\Admin\AppData\Local\Temp\05724070d8c8d387b97c44e6fd9452f429d5babf13d3cb7e7affad9d995fc811.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1768

C:\Program Files (x86)\LetsSee!\busshost.exe
"C:\Program Files (x86)\LetsSee!\busshost.exe"
2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1660

C:\Program Files (x86)\LetsSee!\YTLoader.exe
"C:\Program Files (x86)\LetsSee!\YTLoader.exe"
2⤵
- Executes dropped EXE
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 1084
3⤵
- Loads dropped DLL
- Program crash
PID:2024

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\LetsSee!\YTLoader.exe
Filesize
3.0MB

MD5
adc9db2753fa3daa6a8156254ba2a5f1

SHA1
50ff27e2e1c4acc35768b93b73c03f7630027f04

SHA256
f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde

SHA512
5f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195

Download Submit
C:\Program Files (x86)\LetsSee!\YTLoader.exe
Filesize
3.0MB

MD5
adc9db2753fa3daa6a8156254ba2a5f1

SHA1
50ff27e2e1c4acc35768b93b73c03f7630027f04

SHA256
f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde

SHA512
5f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195

Download Submit
C:\Program Files (x86)\LetsSee!\busshost.exe
Filesize
722KB

MD5
8b2c74eea09e86e10f20ad950f8086fc

SHA1
3d2e04064873f89b684024791ae11f574c2041af

SHA256
28930a52308cf8162ea2f2966f4d275fac2e8be9c67d0839451d5d35e6fc77e8

SHA512
32a0fe2bc588fed4b29724a389f0675efd3cf9bb84819064243a450b67600421c497ee36e61c35ecfe1a6ae7298c63aabe76a6a896f13f2d3ae88236299f5bc9

Download Submit
\Program Files (x86)\LetsSee!\YTLoader.exe
Filesize
3.0MB

MD5
adc9db2753fa3daa6a8156254ba2a5f1

SHA1
50ff27e2e1c4acc35768b93b73c03f7630027f04

SHA256
f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde

SHA512
5f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195

Download Submit
\Program Files (x86)\LetsSee!\YTLoader.exe
Filesize
3.0MB

MD5
adc9db2753fa3daa6a8156254ba2a5f1

SHA1
50ff27e2e1c4acc35768b93b73c03f7630027f04

SHA256
f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde

SHA512
5f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195

Download Submit
\Program Files (x86)\LetsSee!\YTLoader.exe
Filesize
3.0MB

MD5
adc9db2753fa3daa6a8156254ba2a5f1

SHA1
50ff27e2e1c4acc35768b93b73c03f7630027f04

SHA256
f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde

SHA512
5f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195

Download Submit
\Program Files (x86)\LetsSee!\YTLoader.exe
Filesize
3.0MB

MD5
adc9db2753fa3daa6a8156254ba2a5f1

SHA1
50ff27e2e1c4acc35768b93b73c03f7630027f04

SHA256
f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde

SHA512
5f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195

Download Submit
\Program Files (x86)\LetsSee!\YTLoader.exe
Filesize
3.0MB

MD5
adc9db2753fa3daa6a8156254ba2a5f1

SHA1
50ff27e2e1c4acc35768b93b73c03f7630027f04

SHA256
f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde

SHA512
5f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195

Download Submit
\Program Files (x86)\LetsSee!\YTLoader.exe
Filesize
3.0MB

MD5
adc9db2753fa3daa6a8156254ba2a5f1

SHA1
50ff27e2e1c4acc35768b93b73c03f7630027f04

SHA256
f8cc40321301d39f03eaa48d42cbbb2e953b694dc13ccf9d986032c621223fde

SHA512
5f7fca8da622035f3a83e562d727ccdd842d623ec376f93c75c3218bddd970c34a9efc66a33cfd6e52a398fa2ed090b890d05aecef53f65a22917d50d31a1195

Download Submit
\Program Files (x86)\LetsSee!\busshost.exe
Filesize
722KB

MD5
8b2c74eea09e86e10f20ad950f8086fc

SHA1
3d2e04064873f89b684024791ae11f574c2041af

SHA256
28930a52308cf8162ea2f2966f4d275fac2e8be9c67d0839451d5d35e6fc77e8

SHA512
32a0fe2bc588fed4b29724a389f0675efd3cf9bb84819064243a450b67600421c497ee36e61c35ecfe1a6ae7298c63aabe76a6a896f13f2d3ae88236299f5bc9

Download Submit
\Program Files (x86)\LetsSee!\busshost.exe
Filesize
722KB

MD5
8b2c74eea09e86e10f20ad950f8086fc

SHA1
3d2e04064873f89b684024791ae11f574c2041af

SHA256
28930a52308cf8162ea2f2966f4d275fac2e8be9c67d0839451d5d35e6fc77e8

SHA512
32a0fe2bc588fed4b29724a389f0675efd3cf9bb84819064243a450b67600421c497ee36e61c35ecfe1a6ae7298c63aabe76a6a896f13f2d3ae88236299f5bc9

Download Submit
memory/1452-81-0x00000000009E0000-0x00000000009E8000-memory.dmp

Filesize
32KB

Download
memory/1452-87-0x0000000000AD0000-0x0000000000AD8000-memory.dmp

Filesize
32KB

Download
memory/1452-69-0x0000000071E00000-0x0000000072810000-memory.dmp

Filesize
10.1MB

Download
memory/1452-70-0x0000000071620000-0x0000000071E00000-memory.dmp

Filesize
7.9MB

Download
memory/1452-71-0x0000000000540000-0x000000000054A000-memory.dmp

Filesize
40KB

Download
memory/1452-72-0x0000000071220000-0x0000000071613000-memory.dmp

Filesize
3.9MB

Download
memory/1452-75-0x000000006F360000-0x0000000070667000-memory.dmp

Filesize
19.0MB

Download
memory/1452-74-0x0000000005180000-0x00000000055DA000-memory.dmp

Filesize
4.4MB

Download
memory/1452-77-0x000000006E7A0000-0x000000006EEDE000-memory.dmp

Filesize
7.2MB

Download
memory/1452-78-0x00000000007B0000-0x00000000007BA000-memory.dmp

Filesize
40KB

Download
memory/1452-76-0x00000000006A0000-0x00000000006B0000-memory.dmp

Filesize
64KB

Download
memory/1452-79-0x0000000000970000-0x000000000097A000-memory.dmp

Filesize
40KB

Download
memory/1452-80-0x0000000000990000-0x000000000099A000-memory.dmp

Filesize
40KB

Download
memory/1452-104-0x0000000073E00000-0x0000000073FF4000-memory.dmp

Filesize
2.0MB

Download
memory/1452-82-0x00000000009F0000-0x00000000009FE000-memory.dmp

Filesize
56KB

Download
memory/1452-83-0x0000000000A40000-0x0000000000A48000-memory.dmp

Filesize
32KB

Download
memory/1452-84-0x0000000000A50000-0x0000000000A58000-memory.dmp

Filesize
32KB

Download
memory/1452-85-0x0000000000A60000-0x0000000000A68000-memory.dmp

Filesize
32KB

Download
memory/1452-86-0x0000000000A70000-0x0000000000A78000-memory.dmp

Filesize
32KB

Download
memory/1452-103-0x000000006F360000-0x0000000070667000-memory.dmp

Filesize
19.0MB

Download
memory/1452-88-0x0000000000AE0000-0x0000000000AE8000-memory.dmp

Filesize
32KB

Download
memory/1452-89-0x0000000070670000-0x000000007121E000-memory.dmp

Filesize
11.7MB

Download
memory/1452-90-0x0000000073E00000-0x0000000073FF4000-memory.dmp

Filesize
2.0MB

Download
memory/1452-91-0x000000006EEE0000-0x000000006EFDC000-memory.dmp

Filesize
1008KB

Download
memory/1452-101-0x0000000071620000-0x0000000071E00000-memory.dmp

Filesize
7.9MB

Download
memory/1452-67-0x0000000072810000-0x0000000073B9F000-memory.dmp

Filesize
19.6MB

Download
memory/1452-102-0x0000000071220000-0x0000000071613000-memory.dmp

Filesize
3.9MB

Download
memory/1452-65-0x0000000000080000-0x0000000000388000-memory.dmp

Filesize
3.0MB

Download
memory/1452-60-0x0000000000000000-mapping.dmp

Download
memory/1452-100-0x0000000071E00000-0x0000000072810000-memory.dmp

Filesize
10.1MB

Download
memory/1452-99-0x0000000072810000-0x0000000073B9F000-memory.dmp

Filesize
19.6MB

Download
memory/1660-98-0x00000000054F0000-0x00000000055F0000-memory.dmp

Filesize
1024KB

Download
memory/1660-57-0x0000000000000000-mapping.dmp

Download
memory/1660-66-0x00000000054F0000-0x00000000055F0000-memory.dmp

Filesize
1024KB

Download
memory/1660-68-0x0000000000400000-0x0000000005315000-memory.dmp

Filesize
79.1MB

Download
memory/1768-54-0x0000000075C01000-0x0000000075C03000-memory.dmp

Filesize
8KB

Download
memory/2024-92-0x0000000000000000-mapping.dmp

Download