kraken | 4417150163a2637ecf0d024ed08a3d93d703ba583c976e069f03e0c6049bf206

Analysis

max time kernel
101s
max time network
105s
platform
windows11-21h2_x64
resource
win11-20250619-en
resource tags

arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
submitted
18/07/2025, 04:27

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General

Target
Akdas_ Silah Temmuz 2025 - Kreatif Hizmetler Faturas-pdf/libcef.dll
Size 3.6MB
Sample250718-e3e4fsvnt3
SHA256 bc3d5a532fd9f1a817883989997bce7c22c680ef5f4a8ff98cd604392a7b1fae
MD5 d41c6245df841a5eca6b1e13b7cdace5
SHA1 001df4ab11c23de7aaa386111ca99003436ed56b
SHA512 93768eb508cc3800043c3fff6777a7c0b317a3326fa07596c065dbbbe2f7dbebaf5409dfdcd69f4609a5fe8f7ae13d79fca87eff9a4e2fe37f7ed97cf8f17202
SSDEEP 49152:pOl6gRzm9XoycUKTkB+1F4KcgFC2SLwPWgQIl9:Wr11ZPWc
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/2704-0-0x0000000000400000-0x000000000041A000-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-1-5-21-3625340254-1625357543-1797847221-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3625340254-1625357543-1797847221-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3625340254-1625357543-1797847221-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 436 set thread context of 2704	436	rundll32.exe	80

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
2704	installutil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	436	rundll32.exe
Token: SeDebugPrivilege	2704	installutil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 5168	436	rundll32.exe	79
PID 436 wrote to memory of 5168	436	rundll32.exe	79
PID 436 wrote to memory of 5168	436	rundll32.exe	79
PID 436 wrote to memory of 5168	436	rundll32.exe	79
PID 436 wrote to memory of 2704	436	rundll32.exe	80
PID 436 wrote to memory of 2704	436	rundll32.exe	80
PID 436 wrote to memory of 2704	436	rundll32.exe	80
PID 436 wrote to memory of 2704	436	rundll32.exe	80
PID 436 wrote to memory of 2704	436	rundll32.exe	80
PID 436 wrote to memory of 2704	436	rundll32.exe	80
PID 436 wrote to memory of 2704	436	rundll32.exe	80
PID 436 wrote to memory of 2704	436	rundll32.exe	80

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3625340254-1625357543-1797847221-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3625340254-1625357543-1797847221-1000\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\Akdas_ Silah Temmuz 2025 - Kreatif Hizmetler Faturas-pdf\libcef.dll",#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:436
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:5168
- 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:2704

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

Replay Monitor

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Downloads

memory/2704-0-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/2704-1-0x0000000005BC0000-0x0000000006166000-memory.dmp

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memory/2704-2-0x0000000005500000-0x000000000559C000-memory.dmp

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memory/2704-3-0x0000000005790000-0x00000000057A0000-memory.dmp

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memory/2704-4-0x0000000005970000-0x0000000005B32000-memory.dmp

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memory/2704-5-0x0000000005840000-0x00000000058D2000-memory.dmp

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memory/2704-6-0x00000000055F0000-0x00000000055FA000-memory.dmp

Download

memory/2704-7-0x0000000005790000-0x00000000057A0000-memory.dmp

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