blakcsee_stealer | 3be2a5198dc46686ac514b8c70ecb28a8aff4dd56d4d0c60f66ebf5518ec85c9

Analysis

max time kernel
298s
max time network
264s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/08/2026, 18:28

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General

Target
everything-software-windows-2.91.3.exe
Size 22KB
Sample260804-w4rbjsvvgy
SHA256 3be2a5198dc46686ac514b8c70ecb28a8aff4dd56d4d0c60f66ebf5518ec85c9
MD5 41ad4cb04af8def70763d895973584e2
SHA1 24fd6c86360d98e565bc7f3a6aa8165bc34c325f
SHA512 db3e871cc646eeab7eb2bbeceb323f0951199ea698f91eaa5eec367e48b461748c472867383560c22bce5cba1d4f09fb25983a92f219c867e8fd40d0c53bb43e
SSDEEP 384:gMoZapK5vwxSYjWAlaWFOSxE1+aHRN7t0jHvDyR9zv:gnZaBgyEN+2t0rD+9z
TLSH
T1FFA27C9ADA78058BF8EA18B08279E98BBC3DB7D31B5092CB0354E6181D137C5FA3475D
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
1	api.ipify.org
1	ip-api.com
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 4016	2796	everything-software-windows-2.91.3.exe	82

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 2796 wrote to memory of 4016	2796	everything-software-windows-2.91.3.exe	82
PID 2796 wrote to memory of 4016	2796	everything-software-windows-2.91.3.exe	82
PID 2796 wrote to memory of 4016	2796	everything-software-windows-2.91.3.exe	82
PID 2796 wrote to memory of 4016	2796	everything-software-windows-2.91.3.exe	82
PID 2796 wrote to memory of 4016	2796	everything-software-windows-2.91.3.exe	82
PID 2796 wrote to memory of 4016	2796	everything-software-windows-2.91.3.exe	82
PID 2796 wrote to memory of 4016	2796	everything-software-windows-2.91.3.exe	82
PID 2796 wrote to memory of 4016	2796	everything-software-windows-2.91.3.exe	82
PID 4016 wrote to memory of 4100	4016	ServiceModelReg.exe	83
PID 4016 wrote to memory of 4100	4016	ServiceModelReg.exe	83
PID 4016 wrote to memory of 4076	4016	ServiceModelReg.exe	85
PID 4016 wrote to memory of 4076	4016	ServiceModelReg.exe	85

C:\Users\Admin\AppData\Local\Temp\everything-software-windows-2.91.3.exe
"C:\Users\Admin\AppData\Local\Temp\everything-software-windows-2.91.3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2796
- 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:4016
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    3⤵
    PID:4100
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    3⤵
    PID:4076

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:2000

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:1868

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 19_31_08_ca999915-4efe-44e6-9b4d-4f759ee46529\decrypt_browser\Admin\Google Chrome\Default\Local Storage\leveldb\CURRENT
Size 16B
SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
MD5 46295cac801e5d4857d09837238a6394
SHA1 44e0fa1b517dbf802b18faf0785eeea6ac51594b
SHA512 8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23
MD5 SHA1 SHA512

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MANIFEST-000001

Path C:\Users\Admin\AppData\Local\Temp\GB_85.203.46.39_2026-08-04 19_31_08_ca999915-4efe-44e6-9b4d-4f759ee46529\decrypt_browser\Admin\Google Chrome\Default\Local Storage\leveldb\MANIFEST-000001
Size 41B
SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
MD5 5af87dfd673ba2115e2fcf5cfdb727ab
SHA1 d5b5bbf396dc291274584ef71f444f420b6056f1
SHA512 de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b
MD5 SHA1 SHA512

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memory/4016-9-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-8-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-16-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-14-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-13-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-12-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-11-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-10-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-0-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-15-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-7-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-6-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-4-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-3-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-2-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-5-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-1-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-119-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-121-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4016-122-0x0000000140000000-0x00000001400E1000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads