blustealer | e0720feff12d60904413f1936903d27e1d23215463cae75e19d367012b762d7d

General

Target

hesaphareketi-001.exe
Size

94KB
MD5

14f8b57fa06427b1f92a84d2aef3d29f
SHA1

008f957997237e4c0fc6a6f5025b2e1a34034044
SHA256

e0720feff12d60904413f1936903d27e1d23215463cae75e19d367012b762d7d
SHA512

94496bf167675877214a641cfaed4d952fdb1e2fbdf36a5909ea2975133868c07c3212eabc5e57d988e46641114509e17464b5bbf4a93c807b6eaabacf510524
SSDEEP

192:zDtwTeF1orXlPUN/4C/Cwuq7c7t9JdWqdjbGo1NeUyLy10EYVZpKkwSYWbeclP4B:STeF1kUI7WYLyLy10EyR9ZP4L2x+Zvn

Score

10^/10

blustealer stormkitty collection 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/5032-150-0x0000000000380000-0x000000000039A000-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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	hesaphareketi-001.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Akbtw = "\"C:\\Users\\Admin\\AppData\\Roaming\\Scxstpxmm\\Akbtw.exe\""	hesaphareketi-001.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
18	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1504 set thread context of 3380	1504	hesaphareketi-001.exe	93
PID 3380 set thread context of 5032	3380	hesaphareketi-001.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3980	powershell.exe
3980	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1504	hesaphareketi-001.exe
Token: SeDebugPrivilege	3980	powershell.exe
Token: SeDebugPrivilege	5032	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3380	hesaphareketi-001.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 3980	1504	hesaphareketi-001.exe	85
PID 1504 wrote to memory of 3980	1504	hesaphareketi-001.exe	85
PID 1504 wrote to memory of 3980	1504	hesaphareketi-001.exe	85
PID 1504 wrote to memory of 3380	1504	hesaphareketi-001.exe	93
PID 1504 wrote to memory of 3380	1504	hesaphareketi-001.exe	93
PID 1504 wrote to memory of 3380	1504	hesaphareketi-001.exe	93
PID 1504 wrote to memory of 3380	1504	hesaphareketi-001.exe	93
PID 1504 wrote to memory of 3380	1504	hesaphareketi-001.exe	93
PID 1504 wrote to memory of 3380	1504	hesaphareketi-001.exe	93
PID 1504 wrote to memory of 3380	1504	hesaphareketi-001.exe	93
PID 1504 wrote to memory of 3380	1504	hesaphareketi-001.exe	93
PID 3380 wrote to memory of 5032	3380	hesaphareketi-001.exe	94
PID 3380 wrote to memory of 5032	3380	hesaphareketi-001.exe	94
PID 3380 wrote to memory of 5032	3380	hesaphareketi-001.exe	94
PID 3380 wrote to memory of 5032	3380	hesaphareketi-001.exe	94
PID 3380 wrote to memory of 5032	3380	hesaphareketi-001.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-001.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-001.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:1504
- 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:3980
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-001.exe
  C:\Users\Admin\AppData\Local\Temp\hesaphareketi-001.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3380
- - 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:5032

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/1504-133-0x0000000005900000-0x0000000005922000-memory.dmp

Filesize
136KB

Download
memory/1504-132-0x00000000004E0000-0x00000000004FE000-memory.dmp

Filesize
120KB

Download
memory/3380-152-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3380-148-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3380-145-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3380-143-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3980-136-0x0000000005510000-0x0000000005B38000-memory.dmp

Filesize
6.2MB

Download
memory/3980-140-0x0000000007CD0000-0x000000000834A000-memory.dmp

Filesize
6.5MB

Download
memory/3980-141-0x0000000006950000-0x000000000696A000-memory.dmp

Filesize
104KB

Download
memory/3980-139-0x0000000006460000-0x000000000647E000-memory.dmp

Filesize
120KB

Download
memory/3980-138-0x0000000005D60000-0x0000000005DC6000-memory.dmp

Filesize
408KB

Download
memory/3980-137-0x0000000005C40000-0x0000000005CA6000-memory.dmp

Filesize
408KB

Download
memory/3980-135-0x0000000002AD0000-0x0000000002B06000-memory.dmp

Filesize
216KB

Download
memory/5032-150-0x0000000000380000-0x000000000039A000-memory.dmp

Filesize
104KB

Download
memory/5032-151-0x0000000005480000-0x000000000551C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads