stealc | 8547b27fa35d4b4bb7d02cd3a7115df1b34b7030ceb27aabb762ec904b2a00d8

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
02-07-2024 01:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe
Size

4.4MB
MD5

c5f20b0cb835adff91c281ba3e9995e3
SHA1

b7edfc4fb9befe9acf241e423741e27d68dfd832
SHA256

416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b
SHA512

233587e39de30cfa0a9526fb041f9c9c70a1e7574e8bd8d934f7b795f3eff2a8aa8e98f20a7fcb06f00c85c233461d56bbabb4bba39c1ac4869839e3f0022678
SSDEEP

49152:e+PcYB/o36ki63Hw4/uzcdl3ne2xAOVmmgZV099snm9pswB0Nq7:tPcYB/y6ki6PnuwT06sajB0Nq7

Score

10^/10

stealc vidar spyware stealer

Malware Config

Extracted

Family

vidar

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Signatures

Detect Vidar Stealer 2 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2580-81-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2580-532-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

EGDGIIJJEC.exe

pid process

2232 EGDGIIJJEC.exe
Loads dropped DLL 7 IoCs

Processes:

MSBuild.exeWerFault.exe

pid process

2580 MSBuild.exe
2580 MSBuild.exe
2580 MSBuild.exe
2580 MSBuild.exe
1740 WerFault.exe
1740 WerFault.exe
1740 WerFault.exe
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Suspicious use of SetThreadContext 1 IoCs

Processes:

416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe

description pid process target process

PID 2020 set thread context of 2580 2020 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe MSBuild.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1740 2232 WerFault.exe EGDGIIJJEC.exe

pid	process
2232	EGDGIIJJEC.exe

pid	process
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe
1740	WerFault.exe
1740	WerFault.exe
1740	WerFault.exe

description	pid	process	target process
PID 2020 set thread context of 2580	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe

pid	pid_target	process	target process
1740	2232	WerFault.exe	EGDGIIJJEC.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:

MSBuild.exe

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

408 timeout.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exeMSBuild.exe

pid process

2020 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe
2580 MSBuild.exe
2580 MSBuild.exe
2580 MSBuild.exe
2580 MSBuild.exe
2580 MSBuild.exe
2580 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe

description pid process

Token: SeDebugPrivilege 2020 416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe

pid	process
408	timeout.exe

pid	process
2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe
2580	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exeMSBuild.exeEGDGIIJJEC.execmd.exe

description	pid	process	target process
PID 2020 wrote to memory of 2768	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2768	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2768	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2768	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2580	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2580	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2580	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2580	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2580	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2580	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2580	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2580	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2580	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2020 wrote to memory of 2580	2020	416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe	MSBuild.exe
PID 2580 wrote to memory of 2232	2580	MSBuild.exe	EGDGIIJJEC.exe
PID 2580 wrote to memory of 2232	2580	MSBuild.exe	EGDGIIJJEC.exe
PID 2580 wrote to memory of 2232	2580	MSBuild.exe	EGDGIIJJEC.exe
PID 2580 wrote to memory of 2232	2580	MSBuild.exe	EGDGIIJJEC.exe
PID 2232 wrote to memory of 1740	2232	EGDGIIJJEC.exe	WerFault.exe
PID 2232 wrote to memory of 1740	2232	EGDGIIJJEC.exe	WerFault.exe
PID 2232 wrote to memory of 1740	2232	EGDGIIJJEC.exe	WerFault.exe
PID 2232 wrote to memory of 1740	2232	EGDGIIJJEC.exe	WerFault.exe
PID 2580 wrote to memory of 1092	2580	MSBuild.exe	cmd.exe
PID 2580 wrote to memory of 1092	2580	MSBuild.exe	cmd.exe
PID 2580 wrote to memory of 1092	2580	MSBuild.exe	cmd.exe
PID 2580 wrote to memory of 1092	2580	MSBuild.exe	cmd.exe
PID 1092 wrote to memory of 408	1092	cmd.exe	timeout.exe
PID 1092 wrote to memory of 408	1092	cmd.exe	timeout.exe
PID 1092 wrote to memory of 408	1092	cmd.exe	timeout.exe
PID 1092 wrote to memory of 408	1092	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe
"C:\Users\Admin\AppData\Local\Temp\416b40630daa924136b9d10e0faa8c800a7a882416f4e5b7944f9bc2553a414b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
PID:2768

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2580

C:\ProgramData\EGDGIIJJEC.exe
"C:\ProgramData\EGDGIIJJEC.exe"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 96
4⤵
- Loads dropped DLL
- Program crash
PID:1740

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DGCAAFBFBKFI" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:408

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab211A.tmp
Filesize
67KB

MD5
2d3dcf90f6c99f47e7593ea250c9e749

SHA1
51be82be4a272669983313565b4940d4b1385237

SHA256
8714e7be9f9b6de26673d9d09bd4c9f41b1b27ae10b1d56a7ad83abd7430ebd4

SHA512
9c11dd7d448ffebe2167acde37be77d42175edacf5aaf6fb31d3bdfe6bb1f63f5fdbc9a0a2125ed9d5ce0529b6b548818c8021532e1ea6b324717cc9bec0aaa5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2249.tmp
Filesize
160KB

MD5
7186ad693b8ad9444401bd9bcd2217c2

SHA1
5c28ca10a650f6026b0df4737078fa4197f3bac1

SHA256
9a71fa0cb44aa51412b16a0bf83a275977ba4e807d022f78364338b99b3a3eed

SHA512
135be0e6370fd057762c56149526f46bf6a62fb65ef5b3b26ae01fa07b4c4e37188e203bd3812f31e260ec5cccff5924633dd55ab17e9fa106479783c2fb212b

Download Submit
\ProgramData\EGDGIIJJEC.exe
Filesize
516KB

MD5
0309dd0131150796ea99b30a62194fae

SHA1
2df6e334708eae810a74b844fd57e18e9fdc34cd

SHA256
07c09ba5a84f619e5b83a54298ffc58d20b00f14399c7a94b7f02b70efc60f35

SHA512
3d4e5a0718d04fee92d8040880b631107d1e23a6b3bce430d58769179af999c28b99e50c5cd45f283339f7bbb24ffacbf601a5447edb12e28da4517fbfa282e8

Download Submit
memory/2020-41-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-6-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-5-0x0000000000A50000-0x0000000000A6C000-memory.dmp

Filesize
112KB

Download
memory/2020-37-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-7-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-19-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-47-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-65-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-63-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-61-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-59-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-57-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-55-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-53-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-51-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-35-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-45-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-66-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2020-43-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-0-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/2020-1-0x0000000000300000-0x0000000000762000-memory.dmp

Filesize
4.4MB

Download
memory/2020-4-0x0000000005000000-0x000000000510C000-memory.dmp

Filesize
1.0MB

Download
memory/2020-49-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-33-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-31-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-29-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-27-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-25-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-23-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-22-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-18-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-16-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-13-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-11-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-9-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-39-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/2020-2-0x00000000007C0000-0x00000000007CA000-memory.dmp

Filesize
40KB

Download
memory/2020-3-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2020-82-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2580-81-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2580-67-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2580-69-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2580-532-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download