blustealer | e49f6e36c94b304ac5712768ac5d46b85297a8d929587a53668ece785cceb509

General

Target

hesaphareketi-01.exe
Size

199KB
MD5

763d9190632ec79c4d4b2db0e8e2e39c
SHA1

d4b2dfe9f68367c09ebcc0dc2a4077ea145f545e
SHA256

e49f6e36c94b304ac5712768ac5d46b85297a8d929587a53668ece785cceb509
SHA512

d730e6ae29d6d6fd1f24ec1730b7df6fd4fcc981e8f0796dcdd700ce0e9dc3b7286d91fc49bfb2a36f3afb17700b00db9896fc2096aef2a1858c4846d767b94e

Score

10^/10

blustealer stormkitty collection persistence 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/5116-151-0x0000000000D40000-0x0000000000D5A000-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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.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\Irqvohwa = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zqtztlczq\\Irqvohwa.exe\""	hesaphareketi-01.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
16	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 636 set thread context of 620	636	hesaphareketi-01.exe	84
PID 620 set thread context of 5116	620	InstallUtil.exe	85

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 8 IoCs

pid	Process
5084	powershell.exe
5084	powershell.exe
636	hesaphareketi-01.exe
636	hesaphareketi-01.exe
636	hesaphareketi-01.exe
636	hesaphareketi-01.exe
636	hesaphareketi-01.exe
636	hesaphareketi-01.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
620	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	636	hesaphareketi-01.exe
Token: SeDebugPrivilege	5084	powershell.exe
Token: SeDebugPrivilege	5116	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
620	InstallUtil.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 5084	636	hesaphareketi-01.exe	81
PID 636 wrote to memory of 5084	636	hesaphareketi-01.exe	81
PID 636 wrote to memory of 5084	636	hesaphareketi-01.exe	81
PID 636 wrote to memory of 5044	636	hesaphareketi-01.exe	83
PID 636 wrote to memory of 5044	636	hesaphareketi-01.exe	83
PID 636 wrote to memory of 5044	636	hesaphareketi-01.exe	83
PID 636 wrote to memory of 620	636	hesaphareketi-01.exe	84
PID 636 wrote to memory of 620	636	hesaphareketi-01.exe	84
PID 636 wrote to memory of 620	636	hesaphareketi-01.exe	84
PID 636 wrote to memory of 620	636	hesaphareketi-01.exe	84
PID 636 wrote to memory of 620	636	hesaphareketi-01.exe	84
PID 636 wrote to memory of 620	636	hesaphareketi-01.exe	84
PID 636 wrote to memory of 620	636	hesaphareketi-01.exe	84
PID 636 wrote to memory of 620	636	hesaphareketi-01.exe	84
PID 620 wrote to memory of 5116	620	InstallUtil.exe	85
PID 620 wrote to memory of 5116	620	InstallUtil.exe	85
PID 620 wrote to memory of 5116	620	InstallUtil.exe	85
PID 620 wrote to memory of 5116	620	InstallUtil.exe	85
PID 620 wrote to memory of 5116	620	InstallUtil.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5084
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:5044
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:620
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    3⤵
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:5116

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

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/620-153-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/620-149-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/620-146-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/620-144-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/636-133-0x00000000060A0000-0x00000000060C2000-memory.dmp

Filesize
136KB

Download
memory/636-132-0x0000000000C20000-0x0000000000C58000-memory.dmp

Filesize
224KB

Download
memory/5084-136-0x00000000051E0000-0x0000000005808000-memory.dmp

Filesize
6.2MB

Download
memory/5084-141-0x00000000064E0000-0x00000000064FA000-memory.dmp

Filesize
104KB

Download
memory/5084-140-0x0000000007820000-0x0000000007E9A000-memory.dmp

Filesize
6.5MB

Download
memory/5084-139-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

Filesize
120KB

Download
memory/5084-138-0x00000000059C0000-0x0000000005A26000-memory.dmp

Filesize
408KB

Download
memory/5084-137-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/5084-135-0x0000000004A30000-0x0000000004A66000-memory.dmp

Filesize
216KB

Download
memory/5116-151-0x0000000000D40000-0x0000000000D5A000-memory.dmp

Filesize
104KB

Download
memory/5116-152-0x0000000005A40000-0x0000000005ADC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads