MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c8bcb859a02fac81ed21586dae558efbf40cdcd993599aa8e07197a32e3155c. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



KrakenKeylogger


Vendor detections: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 7c8bcb859a02fac81ed21586dae558efbf40cdcd993599aa8e07197a32e3155c
SHA3-384 hash: 5cfda2db32f96ae34f0ad69a3ae237910032e8fb3e59194b8c9e4cb4b49d1f13e6a6813da7ccb7855a897115491347e0
SHA1 hash: ee500308f465b0203d0017bc0bb7f0978cafd2f5
MD5 hash: 8a1d7ddb598654230e512fcb726b23f3
humanhash: beer-sweet-hydrogen-king
File name:Sipariş_28.08.023.exe
Download: download sample
Signature KrakenKeylogger
File size:624'128 bytes
First seen:2023-10-22 18:00:45 UTC
Last seen:2024-01-11 18:28:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:42WJp09SLtxWLuRFRVCy6HspkP934jLrGA:42F9qjWyRFvvNcQHG
Threatray 19 similar samples on MalwareBazaar
TLSH T1B8D4AD13BEC79EA9C1F7C2BE2C849D744D6EBDDB5830962D718DB29E58306024C2D91E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 74f4d4d4cce4e8e0 (27 x AgentTesla, 19 x Formbook, 17 x DBatLoader)
Reporter abuse_ch
Tags:exe geo KrakenKeylogger TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
279
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Sipariş_28.08.023.exe
Verdict:
Malicious activity
Analysis date:
2023-10-22 18:09:23 UTC
Tags:
kraken stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
QuanLyKo Loader
Verdict:
Malicious
Result
Threat name:
Kraken Rat
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Kraken Rat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330130 Sample: Sipari#U015f_28.08.023.exe Startdate: 22/10/2023 Architecture: WINDOWS Score: 100 44 egecanasansor.com.tr 2->44 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 11 other signatures 2->54 8 QYjtojcb.exe 5 2->8         started        11 Sipari#U015f_28.08.023.exe 7 2->11         started        signatures3 process4 file5 56 Multi AV Scanner detection for dropped file 8->56 58 Machine Learning detection for dropped file 8->58 60 Writes to foreign memory regions 8->60 66 2 other signatures 8->66 14 RegSvcs.exe 8->14         started        17 schtasks.exe 8->17         started        19 RegSvcs.exe 8->19         started        21 RegSvcs.exe 8->21         started        40 C:\Users\user\AppData\Roaming\QYjtojcb.exe, PE32 11->40 dropped 42 C:\Users\user\AppData\Local\...\tmp7DAC.tmp, XML 11->42 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 11->62 64 Adds a directory exclusion to Windows Defender 11->64 23 RegSvcs.exe 2 11->23         started        26 powershell.exe 23 11->26         started        28 powershell.exe 23 11->28         started        30 schtasks.exe 1 11->30         started        signatures6 process7 dnsIp8 68 Tries to steal Mail credentials (via file / registry access) 14->68 70 Tries to harvest and steal ftp login credentials 14->70 72 Tries to harvest and steal browser information (history, passwords, etc) 14->72 32 conhost.exe 17->32         started        46 egecanasansor.com.tr 92.42.33.77, 49714, 49715, 49718 EUROTA-ASNEUROTAINTERNETSERVICESLTDTR Turkey 23->46 34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        38 conhost.exe 30->38         started        signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-28 02:12:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:kraken collection keylogger
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Detects Kraken family
Kraken
Unpacked files
SH256 hash:
f2df6a0ea2fac8e6cb05fd2eeee5d840386fc367762cc97db5b51525ce82aebd
MD5 hash:
1d4d967479ee2caf84bdfe086ab5aa75
SHA1 hash:
fbcbe0b174e79af436162c50dd8e6d4103428719
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
069395ba2c278a8d5fe946e6414c3b028d04e906a166055c0d88c8ef6baebacf
MD5 hash:
099dafcf699c37adf990bf7926580917
SHA1 hash:
b7852fad1e4dcb261993c2d1662b591fe118af57
Detections:
KrakenKeylogger win_masslogger_w0 win_delivery_check_g0 win_404keylogger_g1
SH256 hash:
e4ed9e75e82b810f2cb0192081cee55534e9e2e593cff613689936dbd90b1cbb
MD5 hash:
6622e892ceb22932c031289c92185cd1
SHA1 hash:
706dccb9d63963f55e09a9cd1663e538f62be06b
SH256 hash:
7c8bcb859a02fac81ed21586dae558efbf40cdcd993599aa8e07197a32e3155c
MD5 hash:
8a1d7ddb598654230e512fcb726b23f3
SHA1 hash:
ee500308f465b0203d0017bc0bb7f0978cafd2f5
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

KrakenKeylogger

Executable exe 7c8bcb859a02fac81ed21586dae558efbf40cdcd993599aa8e07197a32e3155c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments