blustealer | 576fba66410ffbb712a8412d2469e68d4c6d4daa1f32604afa4c4d7ae51a2a63

General

Target

Hesaphareketi-01.exe
Size

1.0MB
MD5

e0f76ab7cf0e4c248e0cd12fffa4d73a
SHA1

c7de7e46a575d18360f804a4116f80c5d946edeb
SHA256

576fba66410ffbb712a8412d2469e68d4c6d4daa1f32604afa4c4d7ae51a2a63
SHA512

e7f7fca2bb3cfc552ab70ae971c7d999a7941c4248d561717606ee8980361ffe7026948598c7e5c1a6bbd2e293eee26969c0100ddb4560ef5965654b4537693b
SSDEEP

24576:7x8HnjNU3f6bI1QTBj2HwPXeJLztpOsJ/zVcuV:7OHjNMf6c1UBUJPOsJ/zSe

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5617443580:AAFX8iYrXMCASkw95O815OVGuLWLdSgh8Qo/sendMessage?chat_id=5334267822

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/760-80-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/760-81-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/760-83-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/760-85-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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 1368 set thread context of 304	1368	Hesaphareketi-01.exe	31
PID 304 set thread context of 760	304	Hesaphareketi-01.exe	32

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
1192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1368	Hesaphareketi-01.exe
1368	Hesaphareketi-01.exe
1368	Hesaphareketi-01.exe
1368	Hesaphareketi-01.exe
1368	Hesaphareketi-01.exe
1368	Hesaphareketi-01.exe
528	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
304	Hesaphareketi-01.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1368	Hesaphareketi-01.exe
Token: SeDebugPrivilege	528	powershell.exe
Token: SeDebugPrivilege	760	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
304	Hesaphareketi-01.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 528	1368	Hesaphareketi-01.exe	27
PID 1368 wrote to memory of 528	1368	Hesaphareketi-01.exe	27
PID 1368 wrote to memory of 528	1368	Hesaphareketi-01.exe	27
PID 1368 wrote to memory of 528	1368	Hesaphareketi-01.exe	27
PID 1368 wrote to memory of 1192	1368	Hesaphareketi-01.exe	29
PID 1368 wrote to memory of 1192	1368	Hesaphareketi-01.exe	29
PID 1368 wrote to memory of 1192	1368	Hesaphareketi-01.exe	29
PID 1368 wrote to memory of 1192	1368	Hesaphareketi-01.exe	29
PID 1368 wrote to memory of 304	1368	Hesaphareketi-01.exe	31
PID 1368 wrote to memory of 304	1368	Hesaphareketi-01.exe	31
PID 1368 wrote to memory of 304	1368	Hesaphareketi-01.exe	31
PID 1368 wrote to memory of 304	1368	Hesaphareketi-01.exe	31
PID 1368 wrote to memory of 304	1368	Hesaphareketi-01.exe	31
PID 1368 wrote to memory of 304	1368	Hesaphareketi-01.exe	31
PID 1368 wrote to memory of 304	1368	Hesaphareketi-01.exe	31
PID 1368 wrote to memory of 304	1368	Hesaphareketi-01.exe	31
PID 1368 wrote to memory of 304	1368	Hesaphareketi-01.exe	31
PID 304 wrote to memory of 760	304	Hesaphareketi-01.exe	32
PID 304 wrote to memory of 760	304	Hesaphareketi-01.exe	32
PID 304 wrote to memory of 760	304	Hesaphareketi-01.exe	32
PID 304 wrote to memory of 760	304	Hesaphareketi-01.exe	32
PID 304 wrote to memory of 760	304	Hesaphareketi-01.exe	32
PID 304 wrote to memory of 760	304	Hesaphareketi-01.exe	32
PID 304 wrote to memory of 760	304	Hesaphareketi-01.exe	32
PID 304 wrote to memory of 760	304	Hesaphareketi-01.exe	32
PID 304 wrote to memory of 760	304	Hesaphareketi-01.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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:1368
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IhpGOX.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:528
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IhpGOX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp33C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1192
- C:\Users\Admin\AppData\Local\Temp\Hesaphareketi-01.exe
  "C:\Users\Admin\AppData\Local\Temp\Hesaphareketi-01.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:304
- - 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:760

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

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp33C.tmp

Filesize
1KB

MD5
74ba6c2d4526363c45ceeba32256f219

SHA1
1904fee67f81b17642d23a482f94d33185941006

SHA256
5af711f755faca6bca4658b1660b34d888a2e801c9cf536f23b2e9e7216fec24

SHA512
177f88a2bd0bc5b0a2ecd6b0358fe911dcad30cfcdec2e41bdfd06e8542063681ae4a702523edf14d44df1d0b6cde1cbadacb7525b35ce38c0803ac4047bea63

Download Submit
memory/304-69-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/304-88-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/304-76-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/304-72-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/304-64-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/304-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/304-67-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/528-87-0x000000006E290000-0x000000006E83B000-memory.dmp

Filesize
5.7MB

Download
memory/528-77-0x000000006E290000-0x000000006E83B000-memory.dmp

Filesize
5.7MB

Download
memory/760-80-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/760-78-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/760-83-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/760-85-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1368-63-0x0000000005160000-0x00000000051C8000-memory.dmp

Filesize
416KB

Download
memory/1368-58-0x0000000005830000-0x00000000058EC000-memory.dmp

Filesize
752KB

Download
memory/1368-57-0x0000000000570000-0x000000000057C000-memory.dmp

Filesize
48KB

Download
memory/1368-54-0x0000000000BA0000-0x0000000000CA8000-memory.dmp

Filesize
1.0MB

Download
memory/1368-56-0x0000000000460000-0x0000000000476000-memory.dmp

Filesize
88KB

Download
memory/1368-55-0x0000000074E41000-0x0000000074E43000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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