kraken | 2f9cf17acc4aae8aad11736bf90ddbc50d281d1c41d12a3d90e01d920d5a2494

Analysis

max time kernel
103s
max time network
104s
platform
windows11-21h2_x64
resource
win11-20250610-en
resource tags

arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
submitted
27/07/2025, 08:42

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General

Target
PO Pintout copies - 4513366240-pdf/msedge_elf.dll
Size 2.1MB
Sample250727-kmdtcaxtft
SHA256 9c1de5f2d652d1e07adc5d9e0156dd9474e9adc6f17d210285c6945df549667d
MD5 bf71f128816f7a5033d70d72e3077538
SHA1 53958e188c8c35aadbd79825d350be2d1c6d4e7e
SHA512 7fa7ef1195738c9028e304f7422ee9e3d2674e3ebaa06ca31442032789205db16a8826eeaf2325025a05fb2b9c2fc5cf5cf93c81f17c91c3ebfee606fb4e7bd2
SSDEEP 49152:Edl4CoKynlu+KAo0MDmrxI674h3uD/qULf7Rv/T1MwWJd5:yTqj1v/en
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

kraken collection credential_access discovery keylogger stealer

Malware Config

Signatures

Detects Kraken family 1 IoCs

resource	yara_rule
behavioral5/memory/1532-0-0x0000000000400000-0x000000000041A000-memory.dmp	family_kraken

Kraken
Kraken is a keylogger that is written in C#.
keylogger kraken
Kraken family
kraken
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2340264150-4060318110-2688614100-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2340264150-4060318110-2688614100-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2340264150-4060318110-2688614100-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1616 set thread context of 1532	1616	rundll32.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1532	installutil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	rundll32.exe
Token: SeDebugPrivilege	1532	installutil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 1512	1616	rundll32.exe	80
PID 1616 wrote to memory of 1512	1616	rundll32.exe	80
PID 1616 wrote to memory of 1512	1616	rundll32.exe	80
PID 1616 wrote to memory of 1512	1616	rundll32.exe	80
PID 1616 wrote to memory of 1532	1616	rundll32.exe	81
PID 1616 wrote to memory of 1532	1616	rundll32.exe	81
PID 1616 wrote to memory of 1532	1616	rundll32.exe	81
PID 1616 wrote to memory of 1532	1616	rundll32.exe	81
PID 1616 wrote to memory of 1532	1616	rundll32.exe	81
PID 1616 wrote to memory of 1532	1616	rundll32.exe	81
PID 1616 wrote to memory of 1532	1616	rundll32.exe	81
PID 1616 wrote to memory of 1532	1616	rundll32.exe	81

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2340264150-4060318110-2688614100-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2340264150-4060318110-2688614100-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\PO Pintout copies - 4513366240-pdf\msedge_elf.dll",#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:1512
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1532

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1532-0-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/1532-1-0x00000000059B0000-0x0000000005F56000-memory.dmp

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memory/1532-2-0x0000000005340000-0x00000000053DC000-memory.dmp

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memory/1532-3-0x00000000055B0000-0x00000000055C0000-memory.dmp

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memory/1532-4-0x0000000005790000-0x0000000005952000-memory.dmp

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memory/1532-5-0x00000000055C0000-0x0000000005652000-memory.dmp

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memory/1532-6-0x0000000005330000-0x000000000533A000-memory.dmp

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memory/1532-7-0x00000000055B0000-0x00000000055C0000-memory.dmp

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