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 4 IoCs

resource	yara_rule
behavioral1/memory/1696-78-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/1696-79-0x00000000000E4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1696-81-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/1696-83-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\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 1976 set thread context of 1712	1976	hesaphareketi-01.pdf.exe	32
PID 1712 set thread context of 1696	1712	hesaphareketi-01.pdf.exe	33

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
908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1976	hesaphareketi-01.pdf.exe
1976	hesaphareketi-01.pdf.exe
1976	hesaphareketi-01.pdf.exe
1976	hesaphareketi-01.pdf.exe
1976	hesaphareketi-01.pdf.exe
1976	hesaphareketi-01.pdf.exe
1976	hesaphareketi-01.pdf.exe
1976	hesaphareketi-01.pdf.exe
1976	hesaphareketi-01.pdf.exe
1976	hesaphareketi-01.pdf.exe
1976	hesaphareketi-01.pdf.exe
1304	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	hesaphareketi-01.pdf.exe
Token: SeDebugPrivilege	1304	powershell.exe
Token: SeDebugPrivilege	1696	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1712	hesaphareketi-01.pdf.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1304	1976	hesaphareketi-01.pdf.exe	28
PID 1976 wrote to memory of 1304	1976	hesaphareketi-01.pdf.exe	28
PID 1976 wrote to memory of 1304	1976	hesaphareketi-01.pdf.exe	28
PID 1976 wrote to memory of 1304	1976	hesaphareketi-01.pdf.exe	28
PID 1976 wrote to memory of 908	1976	hesaphareketi-01.pdf.exe	30
PID 1976 wrote to memory of 908	1976	hesaphareketi-01.pdf.exe	30
PID 1976 wrote to memory of 908	1976	hesaphareketi-01.pdf.exe	30
PID 1976 wrote to memory of 908	1976	hesaphareketi-01.pdf.exe	30
PID 1976 wrote to memory of 1712	1976	hesaphareketi-01.pdf.exe	32
PID 1976 wrote to memory of 1712	1976	hesaphareketi-01.pdf.exe	32
PID 1976 wrote to memory of 1712	1976	hesaphareketi-01.pdf.exe	32
PID 1976 wrote to memory of 1712	1976	hesaphareketi-01.pdf.exe	32
PID 1976 wrote to memory of 1712	1976	hesaphareketi-01.pdf.exe	32
PID 1976 wrote to memory of 1712	1976	hesaphareketi-01.pdf.exe	32
PID 1976 wrote to memory of 1712	1976	hesaphareketi-01.pdf.exe	32
PID 1976 wrote to memory of 1712	1976	hesaphareketi-01.pdf.exe	32
PID 1976 wrote to memory of 1712	1976	hesaphareketi-01.pdf.exe	32
PID 1712 wrote to memory of 1696	1712	hesaphareketi-01.pdf.exe	33
PID 1712 wrote to memory of 1696	1712	hesaphareketi-01.pdf.exe	33
PID 1712 wrote to memory of 1696	1712	hesaphareketi-01.pdf.exe	33
PID 1712 wrote to memory of 1696	1712	hesaphareketi-01.pdf.exe	33
PID 1712 wrote to memory of 1696	1712	hesaphareketi-01.pdf.exe	33
PID 1712 wrote to memory of 1696	1712	hesaphareketi-01.pdf.exe	33
PID 1712 wrote to memory of 1696	1712	hesaphareketi-01.pdf.exe	33
PID 1712 wrote to memory of 1696	1712	hesaphareketi-01.pdf.exe	33
PID 1712 wrote to memory of 1696	1712	hesaphareketi-01.pdf.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976
- 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:1304
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WIPlLr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1BAC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:908
- 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 use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1712
- - 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:1696

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\tmp1BAC.tmp

Filesize
1KB

MD5
d23ba95386af4746e1167db401cb8b72

SHA1
7d81ad5cfbd5d3a266d0266c7b633dae6612bcb1

SHA256
2b268d537b643415d974e4c4bb127d161c923cf249d98c078444b77f8635337b

SHA512
f99bd303d5c90380ee8ee129ab58fc5a4585f224346171cbd36643e1045b1e61dc50399b90c157e3e5af8f7a121b85913c1ec5433fea038744e811e83f42dea9

Download Submit
memory/1304-87-0x000000006E8F0000-0x000000006EE9B000-memory.dmp

Filesize
5.7MB

Download
memory/1304-85-0x000000006E8F0000-0x000000006EE9B000-memory.dmp

Filesize
5.7MB

Download
memory/1696-81-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1696-76-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1696-83-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1696-78-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1712-72-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1712-86-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1712-69-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1712-88-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1712-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1712-64-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1712-67-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1976-63-0x0000000004500000-0x000000000452C000-memory.dmp

Filesize
176KB

Download
memory/1976-57-0x00000000007B0000-0x00000000007BC000-memory.dmp

Filesize
48KB

Download
memory/1976-56-0x0000000000500000-0x000000000051A000-memory.dmp

Filesize
104KB

Download
memory/1976-54-0x0000000000020000-0x0000000000118000-memory.dmp

Filesize
992KB

Download
memory/1976-55-0x00000000764D1000-0x00000000764D3000-memory.dmp

Filesize
8KB

Download
memory/1976-58-0x0000000006000000-0x0000000006082000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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