stealc | 9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a

Analysis

max time kernel
22s
max time network
72s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 00:43

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General

Target

9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe
Size

1.5MB
MD5

8a07251440128af54ca6f45bbd11819f
SHA1

acff047cf45638815689567ef27dc880b4582f3c
SHA256

9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a
SHA512

4eb98ffc3a0aa700369a1ae382db35091c71533216f81945afa0a16161e42fe57370fb9018f5f879204a15e53048e92c65098ecd5c0b62ff7e8f96203a7d0f6d
SSDEEP

24576:BXc46Crf8fyVacHps+/qASfmBgXk/xrADOv1xvF87uLwmnq:BXl8aVHHO+SASagXkJr4MDkUwm

Score

10^/10

stealc vidar 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 17 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/484-1-0x0000000004190000-0x00000000042A0000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-8-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-10-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-11-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-23-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-24-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-25-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-42-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-43-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-59-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-66-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-77-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-78-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-79-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-80-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1132-81-0x0000000000400000-0x0000000000648000-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
Executes dropped EXE 1 IoCs

Processes:

katDEC7.tmp

pid process

1132 katDEC7.tmp
Suspicious use of SetThreadContext 1 IoCs

Processes:

9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe

description pid process target process

PID 484 set thread context of 1132 484 9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe katDEC7.tmp
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

968 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

katDEC7.tmp

pid process

1132 katDEC7.tmp
1132 katDEC7.tmp

pid	process
1132	katDEC7.tmp

description	pid	process	target process
PID 484 set thread context of 1132	484	9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe	katDEC7.tmp

pid	process
968	timeout.exe

pid	process
1132	katDEC7.tmp
1132	katDEC7.tmp

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe

description	pid	process	target process
PID 484 wrote to memory of 1132	484	9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe	katDEC7.tmp
PID 484 wrote to memory of 1132	484	9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe	katDEC7.tmp
PID 484 wrote to memory of 1132	484	9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe	katDEC7.tmp
PID 484 wrote to memory of 1132	484	9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe	katDEC7.tmp
PID 484 wrote to memory of 1132	484	9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe	katDEC7.tmp
PID 484 wrote to memory of 1132	484	9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe	katDEC7.tmp
PID 484 wrote to memory of 1132	484	9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe	katDEC7.tmp
PID 484 wrote to memory of 1132	484	9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe	katDEC7.tmp

C:\Users\Admin\AppData\Local\Temp\9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe
"C:\Users\Admin\AppData\Local\Temp\9e11fdfe49ee63b54f4917bf2385c9474bf4f0c169c848eb08a12a5b5f7c6a4a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:484

C:\Users\Admin\AppData\Local\Temp\katDEC7.tmp
C:\Users\Admin\AppData\Local\Temp\katDEC7.tmp
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1132

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\katDEC7.tmp" & rd /s /q "C:\ProgramData\DBAEGCGCGIEG" & exit
3⤵
PID:4628

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:968

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3520 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:3
1⤵
PID:4228

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 --mojo-platform-channel-handle=2096 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:3844

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
Filesize
40B

MD5
20d4b8fa017a12a108c87f540836e250

SHA1
1ac617fac131262b6d3ce1f52f5907e31d5f6f00

SHA256
6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

SHA512
507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

Download Submit
C:\Users\Admin\AppData\Local\Temp\katDEC7.tmp
Filesize
861KB

MD5
66064dbdb70a5eb15ebf3bf65aba254b

SHA1
0284fd320f99f62aca800fb1251eff4c31ec4ed7

SHA256
6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

SHA512
b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

Download Submit
memory/484-9-0x0000000000400000-0x000000000058E000-memory.dmp

Filesize
1.6MB

Download
memory/484-1-0x0000000004190000-0x00000000042A0000-memory.dmp

Filesize
1.1MB

Download
memory/484-0-0x0000000002320000-0x0000000002321000-memory.dmp

Filesize
4KB

Download
memory/1132-42-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-4-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-23-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-24-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-27-0x00000000227D0000-0x0000000022A2F000-memory.dmp

Filesize
2.4MB

Download
memory/1132-25-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-8-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-43-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-59-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-11-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-66-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-77-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-78-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-79-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-80-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-81-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1132-10-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download