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 4 IoCs

resource	yara_rule
behavioral1/memory/1016-75-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1016-76-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1016-78-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1016-80-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\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
4	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1908 set thread context of 2032	1908	hesaphareketi-01.exe	27
PID 2032 set thread context of 1016	2032	hesaphareketi-01.exe	28

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 6 IoCs

pid	Process
1908	hesaphareketi-01.exe
1908	hesaphareketi-01.exe
1908	hesaphareketi-01.exe
1908	hesaphareketi-01.exe
1908	hesaphareketi-01.exe
1908	hesaphareketi-01.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1908	hesaphareketi-01.exe
Token: SeDebugPrivilege	1016	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2032	hesaphareketi-01.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2032	1908	hesaphareketi-01.exe	27
PID 1908 wrote to memory of 2032	1908	hesaphareketi-01.exe	27
PID 1908 wrote to memory of 2032	1908	hesaphareketi-01.exe	27
PID 1908 wrote to memory of 2032	1908	hesaphareketi-01.exe	27
PID 1908 wrote to memory of 2032	1908	hesaphareketi-01.exe	27
PID 1908 wrote to memory of 2032	1908	hesaphareketi-01.exe	27
PID 1908 wrote to memory of 2032	1908	hesaphareketi-01.exe	27
PID 1908 wrote to memory of 2032	1908	hesaphareketi-01.exe	27
PID 1908 wrote to memory of 2032	1908	hesaphareketi-01.exe	27
PID 2032 wrote to memory of 1016	2032	hesaphareketi-01.exe	28
PID 2032 wrote to memory of 1016	2032	hesaphareketi-01.exe	28
PID 2032 wrote to memory of 1016	2032	hesaphareketi-01.exe	28
PID 2032 wrote to memory of 1016	2032	hesaphareketi-01.exe	28
PID 2032 wrote to memory of 1016	2032	hesaphareketi-01.exe	28
PID 2032 wrote to memory of 1016	2032	hesaphareketi-01.exe	28
PID 2032 wrote to memory of 1016	2032	hesaphareketi-01.exe	28
PID 2032 wrote to memory of 1016	2032	hesaphareketi-01.exe	28
PID 2032 wrote to memory of 1016	2032	hesaphareketi-01.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\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:1908
- 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:2032
- - 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:1016

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/1016-73-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1016-80-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1016-78-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1016-75-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1908-55-0x0000000075311000-0x0000000075313000-memory.dmp

Filesize
8KB

Download
memory/1908-56-0x0000000000A20000-0x0000000000A44000-memory.dmp

Filesize
144KB

Download
memory/1908-57-0x0000000000C60000-0x0000000000C6C000-memory.dmp

Filesize
48KB

Download
memory/1908-58-0x0000000000FA0000-0x0000000001010000-memory.dmp

Filesize
448KB

Download
memory/1908-59-0x0000000000E70000-0x0000000000EA2000-memory.dmp

Filesize
200KB

Download
memory/1908-54-0x0000000001060000-0x0000000001138000-memory.dmp

Filesize
864KB

Download
memory/2032-63-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2032-72-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2032-68-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2032-65-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2032-61-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2032-60-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2032-82-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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