blustealer | d34d2bcd9b3777c6b55817e53c8e3b52d7f478c46694850f5dea5acf52544700

General

Target

hesaphareketi-01.pdf.exe
Size

33KB
MD5

d071661f5d97f4cad9f3ad6f89deb22a
SHA1

4c84469d79f987d8cb33ab21ea2e4d850840dd66
SHA256

d34d2bcd9b3777c6b55817e53c8e3b52d7f478c46694850f5dea5acf52544700
SHA512

c457319d2804ddd9f50658a9d23fd7531ca3e195c996ea71cf34cb61d69e244b215960eddb42f8cf93824fdfb42244fd9274572a8240de46eb01f2c945296681
SSDEEP

768:kldUwq5k2wlTMHcNS7dQ+pEDwGguTLqTDO5XNVZZb9WG:klGZ8NIQ+pENguTLqvO5Xn9WG

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/752-150-0x0000000000DC0000-0x0000000000DDA000-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.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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\Qebize = "\"C:\\Users\\Admin\\AppData\\Roaming\\Iihyip\\Qebize.exe\""	hesaphareketi-01.pdf.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
29	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 4532	2264	hesaphareketi-01.pdf.exe	89
PID 4532 set thread context of 752	4532	hesaphareketi-01.pdf.exe	90

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
952	powershell.exe
952	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4532	hesaphareketi-01.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2264	hesaphareketi-01.pdf.exe
Token: SeDebugPrivilege	952	powershell.exe
Token: SeDebugPrivilege	752	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4532	hesaphareketi-01.pdf.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 952	2264	hesaphareketi-01.pdf.exe	83
PID 2264 wrote to memory of 952	2264	hesaphareketi-01.pdf.exe	83
PID 2264 wrote to memory of 952	2264	hesaphareketi-01.pdf.exe	83
PID 2264 wrote to memory of 4532	2264	hesaphareketi-01.pdf.exe	89
PID 2264 wrote to memory of 4532	2264	hesaphareketi-01.pdf.exe	89
PID 2264 wrote to memory of 4532	2264	hesaphareketi-01.pdf.exe	89
PID 2264 wrote to memory of 4532	2264	hesaphareketi-01.pdf.exe	89
PID 2264 wrote to memory of 4532	2264	hesaphareketi-01.pdf.exe	89
PID 2264 wrote to memory of 4532	2264	hesaphareketi-01.pdf.exe	89
PID 2264 wrote to memory of 4532	2264	hesaphareketi-01.pdf.exe	89
PID 2264 wrote to memory of 4532	2264	hesaphareketi-01.pdf.exe	89
PID 4532 wrote to memory of 752	4532	hesaphareketi-01.pdf.exe	90
PID 4532 wrote to memory of 752	4532	hesaphareketi-01.pdf.exe	90
PID 4532 wrote to memory of 752	4532	hesaphareketi-01.pdf.exe	90
PID 4532 wrote to memory of 752	4532	hesaphareketi-01.pdf.exe	90
PID 4532 wrote to memory of 752	4532	hesaphareketi-01.pdf.exe	90

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.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.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:2264
- 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:952
- 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:4532
- - 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:752

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

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Downloads

memory/752-152-0x0000000005D90000-0x0000000005E2C000-memory.dmp

Filesize
624KB

Download
memory/752-150-0x0000000000DC0000-0x0000000000DDA000-memory.dmp

Filesize
104KB

Download
memory/952-140-0x0000000007FC0000-0x000000000863A000-memory.dmp

Filesize
6.5MB

Download
memory/952-135-0x0000000005180000-0x00000000051B6000-memory.dmp

Filesize
216KB

Download
memory/952-137-0x0000000006040000-0x00000000060A6000-memory.dmp

Filesize
408KB

Download
memory/952-138-0x0000000006120000-0x0000000006186000-memory.dmp

Filesize
408KB

Download
memory/952-139-0x0000000006740000-0x000000000675E000-memory.dmp

Filesize
120KB

Download
memory/952-141-0x0000000006C40000-0x0000000006C5A000-memory.dmp

Filesize
104KB

Download
memory/952-136-0x0000000005930000-0x0000000005F58000-memory.dmp

Filesize
6.2MB

Download
memory/2264-132-0x0000000000410000-0x000000000041E000-memory.dmp

Filesize
56KB

Download
memory/2264-133-0x0000000005B70000-0x0000000005B92000-memory.dmp

Filesize
136KB

Download
memory/4532-148-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4532-145-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4532-151-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4532-143-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads