stealc | b35c4e0e83a7c73f71d98b9da840eaf73af550cfa93663e29eba37449d5a8bb3

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:08

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General

Target

b35c4e0e83a7c73f71d98b9da840eaf73af550cfa93663e29eba37449d5a8bb3.exe
Size

147.8MB
MD5

d1dc7e05be0fdc2746b8f4c9eda99f9b
SHA1

b25095ebe44bf3c615035071bb9b3bd05cb5fafc
SHA256

b35c4e0e83a7c73f71d98b9da840eaf73af550cfa93663e29eba37449d5a8bb3
SHA512

df26368ace9c6d0ac11dbe470d434889209c49cb20d043cf6baebcd893873e0237473fc33ae4df638bfd2c1a365e9fd11d143e410c4e030280fff5f547ece2cf
SSDEEP

786432:adyRHFFWekXOzGbY55kQshmSBaNf6rhoiu6wyiz23ku4Z8Gt:adyxjWekXGGE55XArKiu/yOlht

Score

10^/10

stealc vidar stealer

Malware Config

Signatures

Detect Vidar Stealer 1 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2492-79-0x0000000000060000-0x0000000000092000-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 WriteProcessMemory 4 IoCs

Processes:

b35c4e0e83a7c73f71d98b9da840eaf73af550cfa93663e29eba37449d5a8bb3.exe

description	pid	process	target process
PID 2400 wrote to memory of 2492	2400	b35c4e0e83a7c73f71d98b9da840eaf73af550cfa93663e29eba37449d5a8bb3.exe	explorer.exe
PID 2400 wrote to memory of 2492	2400	b35c4e0e83a7c73f71d98b9da840eaf73af550cfa93663e29eba37449d5a8bb3.exe	explorer.exe
PID 2400 wrote to memory of 2492	2400	b35c4e0e83a7c73f71d98b9da840eaf73af550cfa93663e29eba37449d5a8bb3.exe	explorer.exe
PID 2400 wrote to memory of 2492	2400	b35c4e0e83a7c73f71d98b9da840eaf73af550cfa93663e29eba37449d5a8bb3.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\b35c4e0e83a7c73f71d98b9da840eaf73af550cfa93663e29eba37449d5a8bb3.exe
"C:\Users\Admin\AppData\Local\Temp\b35c4e0e83a7c73f71d98b9da840eaf73af550cfa93663e29eba37449d5a8bb3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2400

C:\Windows\explorer.exe
"explorer.exe"
2⤵
PID:2492

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2400-1-0x000000013F737000-0x000000013F739000-memory.dmp

Filesize
8KB

Download
memory/2400-0-0x0000000003570000-0x0000000004200000-memory.dmp

Filesize
12.6MB

Download
memory/2400-5-0x0000000005560000-0x0000000006250000-memory.dmp

Filesize
12.9MB

Download
memory/2400-9-0x0000000001F00000-0x0000000001F20000-memory.dmp

Filesize
128KB

Download
memory/2400-48-0x0000000002100000-0x0000000002110000-memory.dmp

Filesize
64KB

Download
memory/2400-44-0x0000000006820000-0x00000000069A0000-memory.dmp

Filesize
1.5MB

Download
memory/2400-41-0x0000000004600000-0x0000000004640000-memory.dmp

Filesize
256KB

Download
memory/2400-36-0x0000000002190000-0x00000000021C0000-memory.dmp

Filesize
192KB

Download
memory/2400-29-0x00000000020A0000-0x00000000020C0000-memory.dmp

Filesize
128KB

Download
memory/2400-25-0x0000000002060000-0x0000000002080000-memory.dmp

Filesize
128KB

Download
memory/2400-21-0x0000000002010000-0x0000000002030000-memory.dmp

Filesize
128KB

Download
memory/2400-17-0x0000000001FD0000-0x0000000001FF0000-memory.dmp

Filesize
128KB

Download
memory/2400-13-0x0000000006540000-0x0000000006820000-memory.dmp

Filesize
2.9MB

Download
memory/2400-52-0x0000000006AC0000-0x0000000006AE0000-memory.dmp

Filesize
128KB

Download
memory/2400-56-0x0000000006E30000-0x0000000006E60000-memory.dmp

Filesize
192KB

Download
memory/2400-60-0x0000000006E80000-0x0000000006EA0000-memory.dmp

Filesize
128KB

Download
memory/2400-64-0x0000000007090000-0x00000000070E0000-memory.dmp

Filesize
320KB

Download
memory/2492-79-0x0000000000060000-0x0000000000092000-memory.dmp

Filesize
200KB

Download
memory/2492-84-0x0000000000060000-0x0000000000092000-memory.dmp

Filesize
200KB

Download