blakcsee_stealer | 3be2a5198dc46686ac514b8c70ecb28a8aff4dd56d4d0c60f66ebf5518ec85c9

Analysis

max time kernel
298s
max time network
301s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-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 5 IoCs

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

discovery

Internet Connection Discovery

T1016.001

flow	ioc
32	ipapi.co
5	api.ipify.org
20	api.ipify.org
21	ip-api.com
31	ipapi.co

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4508 set thread context of 4936	4508	everything-software-windows-2.91.3.exe	83

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 16 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 4936	4508	everything-software-windows-2.91.3.exe	83
PID 4508 wrote to memory of 4936	4508	everything-software-windows-2.91.3.exe	83
PID 4508 wrote to memory of 4936	4508	everything-software-windows-2.91.3.exe	83
PID 4508 wrote to memory of 4936	4508	everything-software-windows-2.91.3.exe	83
PID 4508 wrote to memory of 4936	4508	everything-software-windows-2.91.3.exe	83
PID 4508 wrote to memory of 4936	4508	everything-software-windows-2.91.3.exe	83
PID 4508 wrote to memory of 4936	4508	everything-software-windows-2.91.3.exe	83
PID 4508 wrote to memory of 4936	4508	everything-software-windows-2.91.3.exe	83
PID 4936 wrote to memory of 4244	4936	ServiceModelReg.exe	94
PID 4936 wrote to memory of 4244	4936	ServiceModelReg.exe	94
PID 4936 wrote to memory of 4084	4936	ServiceModelReg.exe	96
PID 4936 wrote to memory of 4084	4936	ServiceModelReg.exe	96
PID 4936 wrote to memory of 2600	4936	ServiceModelReg.exe	98
PID 4936 wrote to memory of 2600	4936	ServiceModelReg.exe	98
PID 4936 wrote to memory of 4956	4936	ServiceModelReg.exe	100
PID 4936 wrote to memory of 4956	4936	ServiceModelReg.exe	100

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:4508
- 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:4936
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    3⤵
    PID:4244
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    3⤵
    PID:4084
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2600
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4956

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:2796

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:5208

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:2320

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:3912

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

memory/4936-0-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-1-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-2-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-7-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-16-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-14-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-15-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-12-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-11-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-10-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-8-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-6-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-4-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-3-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-13-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-5-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-17-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-33-0x0000000140000000-0x00000001400E1000-memory.dmp

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memory/4936-34-0x0000000140000000-0x00000001400E1000-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