stealc | 67ce4c64ef21d45c21bea19ad3fd022c2629332fbb3a91f8452f7357a049c7d0

Analysis

max time kernel
124s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2024, 07:06

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General

Target

9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe
Size

363KB
MD5

ea0081722a86c3016aa249262483c7ca
SHA1

c6fe97dc6211dcbd732619a11f7a525b800765e4
SHA256

9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8
SHA512

e03e5077b5ecd2991e87589f133c84a991853caf507476d6b385a2977789296225cce347d71fe836a03fccf71054d56e24cdc8bd4aeee6e1bb0f14e624cf3089
SSDEEP

6144:pZPllhS4qdxjPxUUsTl0+ruzXgU+t8YY6FZZFWKM+MsMk91EknZcHZmmKU:zt/SNRezujgUM8YhPFWKM+MsMaVZcHxh

Score

10^/10

stealc vidar 681a223bec180ebfdc48547d3d5bd784 stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

Version

9.6

Botnet

681a223bec180ebfdc48547d3d5bd784

https://steamcommunity.com/profiles/76561199681720597

https://t.me/talmatin

Attributes

profile_id_v2
681a223bec180ebfdc48547d3d5bd784
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 OPR/101.0.0.0

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/8-0-0x0000000000400000-0x0000000000647000-memory.dmp	family_vidar_v7
behavioral2/memory/8-5-0x0000000000400000-0x0000000000647000-memory.dmp	family_vidar_v7
behavioral2/memory/8-3-0x0000000000400000-0x0000000000647000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2580 set thread context of 8	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	95

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1624	8	WerFault.exe	95

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 4816	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	94
PID 2580 wrote to memory of 4816	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	94
PID 2580 wrote to memory of 4816	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	94
PID 2580 wrote to memory of 8	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	95
PID 2580 wrote to memory of 8	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	95
PID 2580 wrote to memory of 8	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	95
PID 2580 wrote to memory of 8	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	95
PID 2580 wrote to memory of 8	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	95
PID 2580 wrote to memory of 8	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	95
PID 2580 wrote to memory of 8	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	95
PID 2580 wrote to memory of 8	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	95
PID 2580 wrote to memory of 8	2580	9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe	95

C:\Users\Admin\AppData\Local\Temp\9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe
"C:\Users\Admin\AppData\Local\Temp\9ca6f73f7f915ad1b27b1e3901c5d89ff829f9cd146812077fa1c2e295338ce8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4816
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:8
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 2108
    3⤵
    - Program crash
    PID:1624

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1288,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=4160 /prefetch:8
1⤵
PID:3648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 8 -ip 8
1⤵
PID:1292

Network

MITRE ATT&CK Matrix

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Downloads

memory/8-0-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/8-5-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/8-3-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/2580-1-0x0000000001360000-0x0000000001361000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads