vidar | 1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2

Analysis

max time kernel
79s
max time network
122s
platform
windows10_x64
resource
win10-en-20210920
submitted
13-10-2021 23:10

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General

Target

1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
Size

681KB
MD5

cc745be36b0d3e8e319924eaf296f197
SHA1

4bbff6a72f2574eb749d5a49753f68ccda45abb4
SHA256

1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2
SHA512

5e6614b02aa7097b596fc06d4eb0a6a7e926c47ca6282dbe7917bc0c8882f969f08715043e2d8db1edc0be87e97178019999e5d369751fa23e2b15985d96072c

Score

10^/10

vidar 903 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

903

https://mas.to/@oleg98

Attributes

profile_id
903

Signatures

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

Vidar Stealer 1 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2072-117-0x0000000000400000-0x000000000051D000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

N8W7NWDFBU35CKVT.exe

pid process

1004 N8W7NWDFBU35CKVT.exe

pid	process
1004	N8W7NWDFBU35CKVT.exe

Loads dropped DLL 2 IoCs

Processes:

1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe

pid	process
2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.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
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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:

1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2612 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

8 taskkill.exe

pid	process
2612	timeout.exe

pid	process
8	taskkill.exe

NTFS ADS 2 IoCs

Processes:

1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe

description	ioc	process
File created	C:\ProgramData\N8W7NWDFBU35CKVT.exe:Zone.Identifier	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
File opened for modification	C:\ProgramData\N8W7NWDFBU35CKVT.exe:Zone.Identifier	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe

pid	process
2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

taskkill.execonhost.exe

description pid process

Token: SeDebugPrivilege 8 taskkill.exe
Token: SeDebugPrivilege 3944 conhost.exe

description	pid	process
Token: SeDebugPrivilege	8	taskkill.exe
Token: SeDebugPrivilege	3944	conhost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.execmd.exeN8W7NWDFBU35CKVT.exe

description	pid	process	target process
PID 2072 wrote to memory of 1004	2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe	N8W7NWDFBU35CKVT.exe
PID 2072 wrote to memory of 1004	2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe	N8W7NWDFBU35CKVT.exe
PID 2072 wrote to memory of 3888	2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe	cmd.exe
PID 2072 wrote to memory of 3888	2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe	cmd.exe
PID 2072 wrote to memory of 3888	2072	1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe	cmd.exe
PID 3888 wrote to memory of 8	3888	cmd.exe	taskkill.exe
PID 3888 wrote to memory of 8	3888	cmd.exe	taskkill.exe
PID 3888 wrote to memory of 8	3888	cmd.exe	taskkill.exe
PID 3888 wrote to memory of 2612	3888	cmd.exe	timeout.exe
PID 3888 wrote to memory of 2612	3888	cmd.exe	timeout.exe
PID 3888 wrote to memory of 2612	3888	cmd.exe	timeout.exe
PID 1004 wrote to memory of 3944	1004	N8W7NWDFBU35CKVT.exe	conhost.exe
PID 1004 wrote to memory of 3944	1004	N8W7NWDFBU35CKVT.exe	conhost.exe
PID 1004 wrote to memory of 3944	1004	N8W7NWDFBU35CKVT.exe	conhost.exe

C:\Users\Admin\AppData\Local\Temp\1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe
"C:\Users\Admin\AppData\Local\Temp\1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2072

C:\ProgramData\N8W7NWDFBU35CKVT.exe
"C:\ProgramData\N8W7NWDFBU35CKVT.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1004

C:\Windows\System32\conhost.exe
"C:\Windows\System32\conhost.exe" "C:\ProgramData\N8W7NWDFBU35CKVT.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3944

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im 1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe" & del C:\ProgramData\*.dll & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3888

C:\Windows\SysWOW64\taskkill.exe
taskkill /im 1746483f6aaa4a16499d03b654bcf1c20f32805a407680016a7c4df3d9f81ec2.exe /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:8

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
3⤵
- Delays execution with timeout.exe
PID:2612

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:\ProgramData\N8W7NWDFBU35CKVT.exe
MD5
13003cbfb6d2adfeea85952f8172c4f7

SHA1
e5ef2dd654b50ed7be455cbe7aaabaa7acaedc80

SHA256
9c8590c7165b453dd0792be3cf51e200961a1ed9cf1154768ee86f7018db8fd9

SHA512
ccb7e4dfb0454711cb50a619497072082bae3111ac8ba76b22d1f95af9721762b3b493596191f879bdca3d5872315009bb8f021ac131d9a1067e1dff91696824

Download Submit
C:\ProgramData\N8W7NWDFBU35CKVT.exe
MD5
13003cbfb6d2adfeea85952f8172c4f7

SHA1
e5ef2dd654b50ed7be455cbe7aaabaa7acaedc80

SHA256
9c8590c7165b453dd0792be3cf51e200961a1ed9cf1154768ee86f7018db8fd9

SHA512
ccb7e4dfb0454711cb50a619497072082bae3111ac8ba76b22d1f95af9721762b3b493596191f879bdca3d5872315009bb8f021ac131d9a1067e1dff91696824

Download Submit
C:\ProgramData\freebl3.dll
MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

Download Submit
C:\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
C:\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
C:\ProgramData\softokn3.dll
MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

Download Submit
C:\ProgramData\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
\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/8-124-0x0000000000000000-mapping.dmp

Download
memory/1004-120-0x0000000000000000-mapping.dmp

Download
memory/2072-115-0x0000000000861000-0x00000000008DE000-memory.dmp

Filesize
500KB

Download
memory/2072-117-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/2072-116-0x0000000000520000-0x000000000066A000-memory.dmp

Filesize
1.3MB

Download
memory/2612-125-0x0000000000000000-mapping.dmp

Download
memory/3888-123-0x0000000000000000-mapping.dmp

Download
memory/3944-133-0x000001EFE4D00000-0x000001EFE4D02000-memory.dmp

Filesize
8KB

Download
memory/3944-132-0x000001EFE4D00000-0x000001EFE4D02000-memory.dmp

Filesize
8KB

Download
memory/3944-134-0x000001EFE4D00000-0x000001EFE4D02000-memory.dmp

Filesize
8KB

Download
memory/3944-135-0x000001EFE4D00000-0x000001EFE4D02000-memory.dmp

Filesize
8KB

Download
memory/3944-136-0x000001EFFF540000-0x000001EFFF725000-memory.dmp

Filesize
1.9MB

Download
memory/3944-138-0x000001EFE4D00000-0x000001EFE4D02000-memory.dmp

Filesize
8KB

Download
memory/3944-139-0x000001EFE6710000-0x000001EFE6711000-memory.dmp

Filesize
4KB

Download
memory/3944-140-0x000001EFE4D00000-0x000001EFE4D02000-memory.dmp

Filesize
8KB

Download
memory/3944-142-0x000001EFFF340000-0x000001EFFF342000-memory.dmp

Filesize
8KB

Download
memory/3944-141-0x000001EFE48B0000-0x000001EFE4A99000-memory.dmp

Filesize
1.9MB

Download
memory/3944-144-0x000001EFFF346000-0x000001EFFF347000-memory.dmp

Filesize
4KB

Download
memory/3944-143-0x000001EFFF343000-0x000001EFFF345000-memory.dmp

Filesize
8KB

Download
memory/3944-145-0x000001EFE4D00000-0x000001EFE4D02000-memory.dmp

Filesize
8KB

Download