blustealer | a29933d22324521ab3f6fccd48df10ae472f62e73ada2f6550d971322594e071

General

Target

hesaphareketi-01.pdf.exe
Size

967KB
MD5

20be6ec20e3f2b6dab78f6d42d31371c
SHA1

d54e72166d35c429dee3b5c5e227afe2fcb7ad7c
SHA256

a29933d22324521ab3f6fccd48df10ae472f62e73ada2f6550d971322594e071
SHA512

e24cf1d9fa97b687273a94fcdb8d1571b23905cfe2123e08ff5d3fdf85a02e7c8107fdb6826a8690ec3f38c1d1d05f89ba7ede26a93f4f6245d46a18f5466ad0
SSDEEP

12288:NA9b0ZeV01NRnWNwwUyJRcOKcN3XhYxkY3hZ29:wXyrpcwVyTcOJNHOx+

Score

10^/10

blustealer stormkitty collection 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/4020-154-0x0000000000D60000-0x0000000000D7A000-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-01.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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
65	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 3128	2512	hesaphareketi-01.pdf.exe	103
PID 3128 set thread context of 4020	3128	hesaphareketi-01.pdf.exe	104

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
632	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2512	hesaphareketi-01.pdf.exe
2512	hesaphareketi-01.pdf.exe
2512	hesaphareketi-01.pdf.exe
2512	hesaphareketi-01.pdf.exe
2512	hesaphareketi-01.pdf.exe
2512	hesaphareketi-01.pdf.exe
2512	hesaphareketi-01.pdf.exe
2512	hesaphareketi-01.pdf.exe
4512	powershell.exe
2512	hesaphareketi-01.pdf.exe
4512	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3128	hesaphareketi-01.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	hesaphareketi-01.pdf.exe
Token: SeDebugPrivilege	4512	powershell.exe
Token: SeDebugPrivilege	4020	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3128	hesaphareketi-01.pdf.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 4512	2512	hesaphareketi-01.pdf.exe	98
PID 2512 wrote to memory of 4512	2512	hesaphareketi-01.pdf.exe	98
PID 2512 wrote to memory of 4512	2512	hesaphareketi-01.pdf.exe	98
PID 2512 wrote to memory of 632	2512	hesaphareketi-01.pdf.exe	100
PID 2512 wrote to memory of 632	2512	hesaphareketi-01.pdf.exe	100
PID 2512 wrote to memory of 632	2512	hesaphareketi-01.pdf.exe	100
PID 2512 wrote to memory of 1776	2512	hesaphareketi-01.pdf.exe	102
PID 2512 wrote to memory of 1776	2512	hesaphareketi-01.pdf.exe	102
PID 2512 wrote to memory of 1776	2512	hesaphareketi-01.pdf.exe	102
PID 2512 wrote to memory of 3128	2512	hesaphareketi-01.pdf.exe	103
PID 2512 wrote to memory of 3128	2512	hesaphareketi-01.pdf.exe	103
PID 2512 wrote to memory of 3128	2512	hesaphareketi-01.pdf.exe	103
PID 2512 wrote to memory of 3128	2512	hesaphareketi-01.pdf.exe	103
PID 2512 wrote to memory of 3128	2512	hesaphareketi-01.pdf.exe	103
PID 2512 wrote to memory of 3128	2512	hesaphareketi-01.pdf.exe	103
PID 2512 wrote to memory of 3128	2512	hesaphareketi-01.pdf.exe	103
PID 2512 wrote to memory of 3128	2512	hesaphareketi-01.pdf.exe	103
PID 3128 wrote to memory of 4020	3128	hesaphareketi-01.pdf.exe	104
PID 3128 wrote to memory of 4020	3128	hesaphareketi-01.pdf.exe	104
PID 3128 wrote to memory of 4020	3128	hesaphareketi-01.pdf.exe	104
PID 3128 wrote to memory of 4020	3128	hesaphareketi-01.pdf.exe	104
PID 3128 wrote to memory of 4020	3128	hesaphareketi-01.pdf.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WIPlLr.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4512
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WIPlLr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5331.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:632
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
  2⤵
  PID:1776
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3128
- - 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:4020

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\tmp5331.tmp

Filesize
1KB

MD5
66d7bc94623f3389eee550749945611a

SHA1
abd7fa4092d0f5ea55a8670fe2bd45d9d3a4e9b8

SHA256
5321a711b41c63cf7495b9620b3cb5c6b5666480f2e5bb20a0cd1d5b5deeece0

SHA512
a44ed2abb3d4381abfd1a93fa29ec8c157e411c45f9a2e1d1e7351499499bb3ff39176e32364e2c9874e486793abb9a9b53ad1d2608cfb9260bd0a37d7a061c3

Download Submit
memory/2512-133-0x0000000005150000-0x00000000056F4000-memory.dmp

Filesize
5.6MB

Download
memory/2512-134-0x0000000004BA0000-0x0000000004C32000-memory.dmp

Filesize
584KB

Download
memory/2512-135-0x0000000004C50000-0x0000000004C5A000-memory.dmp

Filesize
40KB

Download
memory/2512-136-0x0000000008810000-0x00000000088AC000-memory.dmp

Filesize
624KB

Download
memory/2512-137-0x0000000008B20000-0x0000000008B86000-memory.dmp

Filesize
408KB

Download
memory/2512-132-0x0000000000120000-0x0000000000218000-memory.dmp

Filesize
992KB

Download
memory/3128-166-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3128-145-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3128-147-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3128-152-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4020-154-0x0000000000D60000-0x0000000000D7A000-memory.dmp

Filesize
104KB

Download
memory/4512-150-0x0000000006170000-0x00000000061D6000-memory.dmp

Filesize
408KB

Download
memory/4512-148-0x00000000060D0000-0x00000000060F2000-memory.dmp

Filesize
136KB

Download
memory/4512-142-0x0000000005A10000-0x0000000006038000-memory.dmp

Filesize
6.2MB

Download
memory/4512-140-0x0000000002F60000-0x0000000002F96000-memory.dmp

Filesize
216KB

Download
memory/4512-155-0x0000000006870000-0x000000000688E000-memory.dmp

Filesize
120KB

Download
memory/4512-156-0x0000000006E30000-0x0000000006E62000-memory.dmp

Filesize
200KB

Download
memory/4512-157-0x0000000070340000-0x000000007038C000-memory.dmp

Filesize
304KB

Download
memory/4512-158-0x0000000006E10000-0x0000000006E2E000-memory.dmp

Filesize
120KB

Download
memory/4512-159-0x00000000081B0000-0x000000000882A000-memory.dmp

Filesize
6.5MB

Download
memory/4512-160-0x0000000007B70000-0x0000000007B8A000-memory.dmp

Filesize
104KB

Download
memory/4512-161-0x0000000007BE0000-0x0000000007BEA000-memory.dmp

Filesize
40KB

Download
memory/4512-162-0x0000000007DF0000-0x0000000007E86000-memory.dmp

Filesize
600KB

Download
memory/4512-163-0x0000000007DB0000-0x0000000007DBE000-memory.dmp

Filesize
56KB

Download
memory/4512-164-0x0000000007EB0000-0x0000000007ECA000-memory.dmp

Filesize
104KB

Download
memory/4512-165-0x0000000007EA0000-0x0000000007EA8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads