blustealer | dda40af7e530bf5744b1ae2219bcf10b8457f18c6a8ef39e9423badaf30beec4

General

Target

hesaphareketi-01.exe
Size

1.2MB
MD5

d11c83b988df04a4c28f9d13f541e62a
SHA1

a078c177c1defb15aabd2a36b13b8894cda439f2
SHA256

dda40af7e530bf5744b1ae2219bcf10b8457f18c6a8ef39e9423badaf30beec4
SHA512

bb4d2f2cb99e5d9331b832c54c2a8b52edfd253fe78c481aa28539053db9965ebad3c1fbf9781c1779bed6a031e01d9b2142f199d364b134d583234c92dc4f40
SSDEEP

12288:mVqvrjjHby/Wuw2YJ5RH/KTuowkP4Ylib+vektHuxqilKlFL4JEgm3FyEgUiGa:1v7aYVCwkQd+xtOxxE6ENFy

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5412597166:AAGUaWxuTxxhNb-NRhiURcTMzuW9nhGoEs/sendMessage?chat_id=932962718

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/2444-162-0x0000000000900000-0x000000000091A000-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-1-5-21-2891029575-1462575-1165213807-1000\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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.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
36	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 768 set thread context of 1012	768	hesaphareketi-01.exe	93
PID 1012 set thread context of 2444	1012	hesaphareketi-01.exe	94

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

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3496	powershell.exe
768	hesaphareketi-01.exe
768	hesaphareketi-01.exe
3496	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1012	hesaphareketi-01.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3496	powershell.exe
Token: SeDebugPrivilege	768	hesaphareketi-01.exe
Token: SeDebugPrivilege	2444	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1012	hesaphareketi-01.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 3496	768	hesaphareketi-01.exe	88
PID 768 wrote to memory of 3496	768	hesaphareketi-01.exe	88
PID 768 wrote to memory of 3496	768	hesaphareketi-01.exe	88
PID 768 wrote to memory of 1660	768	hesaphareketi-01.exe	90
PID 768 wrote to memory of 1660	768	hesaphareketi-01.exe	90
PID 768 wrote to memory of 1660	768	hesaphareketi-01.exe	90
PID 768 wrote to memory of 1872	768	hesaphareketi-01.exe	92
PID 768 wrote to memory of 1872	768	hesaphareketi-01.exe	92
PID 768 wrote to memory of 1872	768	hesaphareketi-01.exe	92
PID 768 wrote to memory of 1012	768	hesaphareketi-01.exe	93
PID 768 wrote to memory of 1012	768	hesaphareketi-01.exe	93
PID 768 wrote to memory of 1012	768	hesaphareketi-01.exe	93
PID 768 wrote to memory of 1012	768	hesaphareketi-01.exe	93
PID 768 wrote to memory of 1012	768	hesaphareketi-01.exe	93
PID 768 wrote to memory of 1012	768	hesaphareketi-01.exe	93
PID 768 wrote to memory of 1012	768	hesaphareketi-01.exe	93
PID 768 wrote to memory of 1012	768	hesaphareketi-01.exe	93
PID 1012 wrote to memory of 2444	1012	hesaphareketi-01.exe	94
PID 1012 wrote to memory of 2444	1012	hesaphareketi-01.exe	94
PID 1012 wrote to memory of 2444	1012	hesaphareketi-01.exe	94
PID 1012 wrote to memory of 2444	1012	hesaphareketi-01.exe	94
PID 1012 wrote to memory of 2444	1012	hesaphareketi-01.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:768
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hWxKhpT.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3496
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hWxKhpT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFADB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1660
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
  2⤵
  PID:1872
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1012
- - 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:2444

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFADB.tmp

Filesize
1KB

MD5
1cfd95e622e00b9fb65734cf143253ba

SHA1
8dfb067d6045593380ec3614ca9845e424434c5e

SHA256
8e755560bceb6b99c8e082a37b534125e2a6ce9be06433e7f4905cbcd27c06da

SHA512
7c9ea8b923717605a806776aff991f902e2f405a8d4ea92301272d289f0984565feb7d855e64f657b0b270683d597311696a1103a01c31da0ab18e64a94b162f

Download Submit
memory/768-132-0x0000000000FB0000-0x00000000010DC000-memory.dmp

Filesize
1.2MB

Download
memory/768-135-0x0000000005B10000-0x0000000005B1A000-memory.dmp

Filesize
40KB

Download
memory/768-136-0x0000000009940000-0x00000000099DC000-memory.dmp

Filesize
624KB

Download
memory/768-137-0x00000000018C0000-0x0000000001926000-memory.dmp

Filesize
408KB

Download
memory/768-134-0x0000000005A60000-0x0000000005AF2000-memory.dmp

Filesize
584KB

Download
memory/768-133-0x0000000006120000-0x00000000066C4000-memory.dmp

Filesize
5.6MB

Download
memory/1012-166-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1012-149-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1012-147-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1012-153-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2444-162-0x0000000000900000-0x000000000091A000-memory.dmp

Filesize
104KB

Download
memory/3496-140-0x00000000021E0000-0x0000000002216000-memory.dmp

Filesize
216KB

Download
memory/3496-152-0x0000000005AF0000-0x0000000005B0E000-memory.dmp

Filesize
120KB

Download
memory/3496-145-0x00000000052F0000-0x0000000005356000-memory.dmp

Filesize
408KB

Download
memory/3496-154-0x00000000060B0000-0x00000000060E2000-memory.dmp

Filesize
200KB

Download
memory/3496-155-0x0000000075530000-0x000000007557C000-memory.dmp

Filesize
304KB

Download
memory/3496-156-0x0000000006090000-0x00000000060AE000-memory.dmp

Filesize
120KB

Download
memory/3496-157-0x0000000007440000-0x0000000007ABA000-memory.dmp

Filesize
6.5MB

Download
memory/3496-158-0x0000000006DF0000-0x0000000006E0A000-memory.dmp

Filesize
104KB

Download
memory/3496-159-0x0000000006E60000-0x0000000006E6A000-memory.dmp

Filesize
40KB

Download
memory/3496-160-0x0000000007070000-0x0000000007106000-memory.dmp

Filesize
600KB

Download
memory/3496-143-0x0000000004B20000-0x0000000004B42000-memory.dmp

Filesize
136KB

Download
memory/3496-141-0x0000000004CC0000-0x00000000052E8000-memory.dmp

Filesize
6.2MB

Download
memory/3496-163-0x0000000007020000-0x000000000702E000-memory.dmp

Filesize
56KB

Download
memory/3496-164-0x0000000007130000-0x000000000714A000-memory.dmp

Filesize
104KB

Download
memory/3496-165-0x0000000007110000-0x0000000007118000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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