stealc | 509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
13/06/2024, 03:43

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General

Target
509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe
Size 366KB
Sample240613-d99qzatamd
SHA256 509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab
MD5 6e67e88bc4441dc8ad85c295c498ef35
SHA1 f5712690cf7d55f2454ca9ec6420891dc9446a27
SHA512 fe33a751a186ae4c77285e58fff483cde899fbb4383bcf5fe8401f927e8a1db9472b002973865d4f9879258312a7aa78333d03fb557cabb300fb418f9103ac82
SSDEEP 3072:y+QoQFLmhQC35gphRvyb8IZUGnQyvxaLPAnR4KIzpm/a7MAlxoB/8FW0hWyhHKe+:y+Qo0LmhQESRvy6avsFKtKYmFWzyse+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

https://t.me/memve4erin
https://steamcommunity.com/profiles/76561199699680841

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 7 IoCs

stealer

resource	yara_rule
behavioral1/memory/2764-3-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2764-2-0x0000000000220000-0x0000000000255000-memory.dmp	family_vidar_v7
behavioral1/memory/2764-295-0x0000000000400000-0x0000000001BD7000-memory.dmp	family_vidar_v7
behavioral1/memory/2764-400-0x0000000000400000-0x0000000001BD7000-memory.dmp	family_vidar_v7
behavioral1/memory/2764-419-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2764-457-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral1/memory/2764-456-0x0000000000400000-0x0000000001BD7000-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
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001
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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1408	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2764	509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe
2764	509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 1656	2764	509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe	30
PID 2764 wrote to memory of 1656	2764	509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe	30
PID 2764 wrote to memory of 1656	2764	509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe	30
PID 2764 wrote to memory of 1656	2764	509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe	30
PID 1656 wrote to memory of 1408	1656	cmd.exe	32
PID 1656 wrote to memory of 1408	1656	cmd.exe	32
PID 1656 wrote to memory of 1408	1656	cmd.exe	32
PID 1656 wrote to memory of 1408	1656	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe
"C:\Users\Admin\AppData\Local\Temp\509a489cc945bbe4dd1f78f5835d443aa437f1a3e582a9716dce0cacf75588ab.exe"
1⤵
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IDGDAAKFHIEH" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1656
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - Delays execution with timeout.exe
    PID:1408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 62a60b8944b5d5a9585b35e89a210f149b8246965216b227abe030944a94bb96
MD5 98f0ac616312bbf686af91e774cce855
SHA1 cf3865d24c8ff41e6065fa2b8fbfbe52d3c355d9
SHA512 b4bd2ad6d1313c4958d1a9cc807ec8044b0c3e1ef4cbe7083cd60f6bc1915ef1e2171f868051a6c6890fef32c4984de0edc2ca61b08b462114e06c127b56f1c6
MD5 SHA1 SHA512

Submit Download

Cab5DEA.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab5DEA.tmp
Size 70KB
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
SSDEEP 1536:gc257bHnClJ3v5mnAQEBP+bfnW8Ctl8G1G4eu76NWDdB34w18R5cBWcJAm68+Q:gp2ld5jPqW8LgeulxB3fgcEfDQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

Tar5E4B.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tar5E4B.tmp
Size 181KB
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
SSDEEP 1536:aAZw/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mZ:as2J+qTR0XCy/dmASru2AijbdG
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2764-174-0x0000000027E20000-0x000000002807F000-memory.dmp

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memory/2764-2-0x0000000000220000-0x0000000000255000-memory.dmp

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memory/2764-3-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2764-1-0x0000000001CE0000-0x0000000001DE0000-memory.dmp

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memory/2764-295-0x0000000000400000-0x0000000001BD7000-memory.dmp

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memory/2764-341-0x0000000001CE0000-0x0000000001DE0000-memory.dmp

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memory/2764-400-0x0000000000400000-0x0000000001BD7000-memory.dmp

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memory/2764-419-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2764-457-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/2764-458-0x0000000001CE0000-0x0000000001DE0000-memory.dmp

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memory/2764-456-0x0000000000400000-0x0000000001BD7000-memory.dmp

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