blustealer | b287de3756df371e1046322a567e8d8394a85915a80838c1832388a88c9dd9cd

General

Target

hesaphareketi-01.exe
Size

837KB
MD5

ac4698531e36e36d068bbaa08e278dee
SHA1

7e09c7d495898bd992a1f7b0f516213df7775bd1
SHA256

b287de3756df371e1046322a567e8d8394a85915a80838c1832388a88c9dd9cd
SHA512

32804f2299a6a1bec3bb56846100a8619272c23409dd8fcd410f55b8395fb775e7da17ab9f04adf3f5065c8fef680013d6977832cc7e077b158b31c27a016f44

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/1496-144-0x00000000003E0000-0x00000000003FA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\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
59	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1548 set thread context of 4832	1548	hesaphareketi-01.exe	102
PID 4832 set thread context of 1496	4832	hesaphareketi-01.exe	103

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 7 IoCs

pid	Process
1548	hesaphareketi-01.exe
1548	hesaphareketi-01.exe
1548	hesaphareketi-01.exe
1548	hesaphareketi-01.exe
1548	hesaphareketi-01.exe
1548	hesaphareketi-01.exe
1548	hesaphareketi-01.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1548	hesaphareketi-01.exe
Token: SeDebugPrivilege	1496	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4832	hesaphareketi-01.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 4832	1548	hesaphareketi-01.exe	102
PID 1548 wrote to memory of 4832	1548	hesaphareketi-01.exe	102
PID 1548 wrote to memory of 4832	1548	hesaphareketi-01.exe	102
PID 1548 wrote to memory of 4832	1548	hesaphareketi-01.exe	102
PID 1548 wrote to memory of 4832	1548	hesaphareketi-01.exe	102
PID 1548 wrote to memory of 4832	1548	hesaphareketi-01.exe	102
PID 1548 wrote to memory of 4832	1548	hesaphareketi-01.exe	102
PID 1548 wrote to memory of 4832	1548	hesaphareketi-01.exe	102
PID 4832 wrote to memory of 1496	4832	hesaphareketi-01.exe	103
PID 4832 wrote to memory of 1496	4832	hesaphareketi-01.exe	103
PID 4832 wrote to memory of 1496	4832	hesaphareketi-01.exe	103
PID 4832 wrote to memory of 1496	4832	hesaphareketi-01.exe	103
PID 4832 wrote to memory of 1496	4832	hesaphareketi-01.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4832
- - 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:1496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1496-144-0x00000000003E0000-0x00000000003FA000-memory.dmp

Filesize
104KB

Download
memory/1548-131-0x0000000005C50000-0x00000000061F4000-memory.dmp

Filesize
5.6MB

Download
memory/1548-132-0x0000000005790000-0x0000000005822000-memory.dmp

Filesize
584KB

Download
memory/1548-133-0x0000000005840000-0x000000000584A000-memory.dmp

Filesize
40KB

Download
memory/1548-134-0x00000000091F0000-0x000000000928C000-memory.dmp

Filesize
624KB

Download
memory/1548-135-0x0000000009500000-0x0000000009566000-memory.dmp

Filesize
408KB

Download
memory/1548-130-0x0000000000E50000-0x0000000000F28000-memory.dmp

Filesize
864KB

Download
memory/4832-142-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4832-139-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4832-137-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4832-145-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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