blakcsee_stealer | 45880839303fe491b2676a37faaa1fe6192917b3e64de1d46858563f16518e2f

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/08/2026, 19:27

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General

Target
vsdbg.dll
Size 2.3MB
Sample260804-x6bvbaff95
SHA256 45880839303fe491b2676a37faaa1fe6192917b3e64de1d46858563f16518e2f
MD5 edf5eeed72c207be16d9119f87b6a70c
SHA1 4319a638252be2141e4878d709a60ac61168ccc2
SHA512 248b4e03640a9b70ed2d313b0dd1e3d59e96a895b51d57de1ccecb93628b8f6dd66835223de496f241a46efbdb245216cadcd94f961d5b7b933f7114bcec6d3b
SSDEEP 49152:BG4RmRcMlBRiFn8a8/S+pGUZRLoePOxDtlx14Svw+:csohpGUHPKDDUS
TLSH
T1FFB5DF29E3D912A8E567DA34CB626233D7B578160770E98F069DC2152F73ED0AB3B311
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery blakcsee_stealer stealer

Malware Config

Extracted

Family

blakcsee_stealer

94.183.168.16

Signatures

Family: BlakcSeeStealer
BlakcSeeStealer is a Windows stealer written in C++.
stealer blakcsee_stealer

Looks up external IP address via web service 1 TTPs 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
3	api.ipify.org
4	api.ipify.org
5	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4948 set thread context of 4512	4948	rundll32.exe	84

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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

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

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 4512	4948	rundll32.exe	84
PID 4948 wrote to memory of 4512	4948	rundll32.exe	84
PID 4948 wrote to memory of 4512	4948	rundll32.exe	84
PID 4948 wrote to memory of 4512	4948	rundll32.exe	84
PID 4948 wrote to memory of 4512	4948	rundll32.exe	84
PID 4948 wrote to memory of 4512	4948	rundll32.exe	84
PID 4948 wrote to memory of 4512	4948	rundll32.exe	84
PID 4948 wrote to memory of 4512	4948	rundll32.exe	84
PID 4512 wrote to memory of 2268	4512	ServiceModelReg.exe	85
PID 4512 wrote to memory of 2268	4512	ServiceModelReg.exe	85
PID 4512 wrote to memory of 968	4512	ServiceModelReg.exe	87
PID 4512 wrote to memory of 968	4512	ServiceModelReg.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vsdbg.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"
  2⤵
  - Checks processor information in registry
  - Suspicious use of WriteProcessMemory
  PID:4512
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    3⤵
    PID:2268
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    3⤵
    PID:968

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:2792

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:4496

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

CURRENT

Path C:\Users\Admin\AppData\Local\Temp\GB_85.203.46.39_2026-08-04 20_27_44_9b6dfe07-72f7-49b5-bbdb-15648fcec787\decrypt_browser\Admin\Google Chrome\Default\Local Storage\leveldb\CURRENT
Size 16B
SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
MD5 46295cac801e5d4857d09837238a6394
SHA1 44e0fa1b517dbf802b18faf0785eeea6ac51594b
SHA512 8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23
MD5 SHA1 SHA512

Submit Download

MANIFEST-000001

Path C:\Users\Admin\AppData\Local\Temp\GB_85.203.46.39_2026-08-04 20_27_44_9b6dfe07-72f7-49b5-bbdb-15648fcec787\decrypt_browser\Admin\Google Chrome\Default\Local Storage\leveldb\MANIFEST-000001
Size 41B
SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
MD5 5af87dfd673ba2115e2fcf5cfdb727ab
SHA1 d5b5bbf396dc291274584ef71f444f420b6056f1
SHA512 de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b
MD5 SHA1 SHA512

Submit Download

memory/4512-11-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-10-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-5-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-16-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-15-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-14-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-13-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-12-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-0-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-4-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-9-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-8-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-7-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-6-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-2-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-1-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-112-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

memory/4512-113-0x0000000140000000-0x00000001400E1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads