blustealer | 1c0d0b7350789ac3cd3aaac71175646d9f06f9240689be3b62293e94ffc12658

General

Target

hesaphareketi.exe
Size

242KB
MD5

c66347958b1a61cfdebb3c9e9b97f0be
SHA1

aedef9e586da499418f10f9e440633df8331c0d1
SHA256

1c0d0b7350789ac3cd3aaac71175646d9f06f9240689be3b62293e94ffc12658
SHA512

06574dcb091764a7c69125c72b3d1d8512ccfc5bea092fd7d7fd10acebbad061fae6bfa20aa04b40afc84b6cb3505505b2029515415d65e28efb302d796ccdef
SSDEEP

3072:bSyxlHtVN9yzH+T6gqPPIvuvHQFpaIYkKEPIFJzE17vtE:bhVs159HsaIYkb

Score

10^/10

blustealer stormkitty stealer

Malware Config

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/3120-154-0x0000000000AB0000-0x0000000000ACA000-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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	hesaphareketi.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
76	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4764 set thread context of 1348	4764	hesaphareketi.exe	100
PID 1348 set thread context of 3120	1348	hesaphareketi.exe	101

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
3964	powershell.exe
3964	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1348	hesaphareketi.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4764	hesaphareketi.exe
Token: SeDebugPrivilege	3964	powershell.exe
Token: SeDebugPrivilege	3120	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1348	hesaphareketi.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 3964	4764	hesaphareketi.exe	95
PID 4764 wrote to memory of 3964	4764	hesaphareketi.exe	95
PID 4764 wrote to memory of 3964	4764	hesaphareketi.exe	95
PID 4764 wrote to memory of 1348	4764	hesaphareketi.exe	100
PID 4764 wrote to memory of 1348	4764	hesaphareketi.exe	100
PID 4764 wrote to memory of 1348	4764	hesaphareketi.exe	100
PID 4764 wrote to memory of 1348	4764	hesaphareketi.exe	100
PID 4764 wrote to memory of 1348	4764	hesaphareketi.exe	100
PID 4764 wrote to memory of 1348	4764	hesaphareketi.exe	100
PID 4764 wrote to memory of 1348	4764	hesaphareketi.exe	100
PID 4764 wrote to memory of 1348	4764	hesaphareketi.exe	100
PID 1348 wrote to memory of 3120	1348	hesaphareketi.exe	101
PID 1348 wrote to memory of 3120	1348	hesaphareketi.exe	101
PID 1348 wrote to memory of 3120	1348	hesaphareketi.exe	101
PID 1348 wrote to memory of 3120	1348	hesaphareketi.exe	101
PID 1348 wrote to memory of 3120	1348	hesaphareketi.exe	101

C:\Users\Admin\AppData\Local\Temp\hesaphareketi.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAOQA=
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3964
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi.exe
  C:\Users\Admin\AppData\Local\Temp\hesaphareketi.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1348
- - 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
    - Suspicious use of AdjustPrivilegeToken
    PID:3120

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/1348-155-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1348-152-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1348-149-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1348-147-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3120-154-0x0000000000AB0000-0x0000000000ACA000-memory.dmp

Filesize
104KB

Download
memory/3964-142-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/3964-139-0x0000000002C80000-0x0000000002CB6000-memory.dmp

Filesize
216KB

Download
memory/3964-141-0x0000000005B90000-0x0000000005BF6000-memory.dmp

Filesize
408KB

Download
memory/3964-143-0x00000000062A0000-0x00000000062BE000-memory.dmp

Filesize
120KB

Download
memory/3964-144-0x00000000078F0000-0x0000000007F6A000-memory.dmp

Filesize
6.5MB

Download
memory/3964-145-0x0000000006780000-0x000000000679A000-memory.dmp

Filesize
104KB

Download
memory/3964-140-0x00000000054B0000-0x0000000005AD8000-memory.dmp

Filesize
6.2MB

Download
memory/4764-132-0x00000000006E0000-0x0000000000724000-memory.dmp

Filesize
272KB

Download
memory/4764-137-0x0000000005FB0000-0x0000000005FD2000-memory.dmp

Filesize
136KB

Download
memory/4764-136-0x0000000006160000-0x00000000061F2000-memory.dmp

Filesize
584KB

Download
memory/4764-135-0x0000000006670000-0x0000000006C14000-memory.dmp

Filesize
5.6MB

Download
memory/4764-134-0x0000000006000000-0x00000000060B2000-memory.dmp

Filesize
712KB

Download
memory/4764-133-0x0000000005EF0000-0x0000000005F40000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads