blustealer | 90215926494097b83b8fe2cf5c80dcce89f267c421f9c864890d2b82b7a4690e

General

Target

hesaphareketi-01.exe
Size

21KB
MD5

490d4a3465fde85f1a3b6b4747664b6a
SHA1

6f287c570da94f1d1a1470a1645890122c075a19
SHA256

90215926494097b83b8fe2cf5c80dcce89f267c421f9c864890d2b82b7a4690e
SHA512

2d4aa4082a3684ef083a88efc68004e0c47d2f905221570c0099b1e6fa2edb00b825760e82c563858b4636e403971e6bcec10d9a15b1d32dea4c127db5d830da
SSDEEP

384:j+NWR0u/TBLqQFtXBMh2+DGi0mZqNewLrKcC/kXjRqmxWE4OB/uc2v42th:FqQFtY2G4mIewLCsXjwmxWtOB/ucCt

Score

10^/10

blustealer stormkitty persistence stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5468731092:AAGGNQWBVRhX622u6xp1moMhaunIGtXuIxg/sendMessage?chat_id=1639214896

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/1756-151-0x00000000005B0000-0x00000000005CA000-memory.dmp	family_stormkitty

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	hesaphareketi-01.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Thabplk = "\"C:\\Users\\Admin\\AppData\\Roaming\\Rhmklkxft\\Thabplk.exe\""	hesaphareketi-01.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4824 set thread context of 4884	4824	hesaphareketi-01.exe	88
PID 4884 set thread context of 1756	4884	hesaphareketi-01.exe	89

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4640	powershell.exe
4640	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4824	hesaphareketi-01.exe
Token: SeDebugPrivilege	4640	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4884	hesaphareketi-01.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 4640	4824	hesaphareketi-01.exe	80
PID 4824 wrote to memory of 4640	4824	hesaphareketi-01.exe	80
PID 4824 wrote to memory of 4640	4824	hesaphareketi-01.exe	80
PID 4824 wrote to memory of 4884	4824	hesaphareketi-01.exe	88
PID 4824 wrote to memory of 4884	4824	hesaphareketi-01.exe	88
PID 4824 wrote to memory of 4884	4824	hesaphareketi-01.exe	88
PID 4824 wrote to memory of 4884	4824	hesaphareketi-01.exe	88
PID 4824 wrote to memory of 4884	4824	hesaphareketi-01.exe	88
PID 4824 wrote to memory of 4884	4824	hesaphareketi-01.exe	88
PID 4824 wrote to memory of 4884	4824	hesaphareketi-01.exe	88
PID 4824 wrote to memory of 4884	4824	hesaphareketi-01.exe	88
PID 4884 wrote to memory of 1756	4884	hesaphareketi-01.exe	89
PID 4884 wrote to memory of 1756	4884	hesaphareketi-01.exe	89
PID 4884 wrote to memory of 1756	4884	hesaphareketi-01.exe	89
PID 4884 wrote to memory of 1756	4884	hesaphareketi-01.exe	89
PID 4884 wrote to memory of 1756	4884	hesaphareketi-01.exe	89

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4640
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4884
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    3⤵
    - Checks processor information in registry
    PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1756-151-0x00000000005B0000-0x00000000005CA000-memory.dmp

Filesize
104KB

Download
memory/4640-140-0x0000000007180000-0x00000000077FA000-memory.dmp

Filesize
6.5MB

Download
memory/4640-141-0x0000000006060000-0x000000000607A000-memory.dmp

Filesize
104KB

Download
memory/4640-136-0x0000000004F40000-0x0000000005568000-memory.dmp

Filesize
6.2MB

Download
memory/4640-137-0x0000000004DB0000-0x0000000004E16000-memory.dmp

Filesize
408KB

Download
memory/4640-138-0x00000000055E0000-0x0000000005646000-memory.dmp

Filesize
408KB

Download
memory/4640-139-0x0000000004910000-0x000000000492E000-memory.dmp

Filesize
120KB

Download
memory/4640-135-0x0000000000CE0000-0x0000000000D16000-memory.dmp

Filesize
216KB

Download
memory/4824-132-0x0000000000CC0000-0x0000000000CCC000-memory.dmp

Filesize
48KB

Download
memory/4824-133-0x0000000006200000-0x0000000006222000-memory.dmp

Filesize
136KB

Download
memory/4884-143-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4884-145-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4884-148-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4884-149-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads