MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b68844095af181c139ed272cb04e830f803770518ad9dd78cb789e8f4571b4c3. 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



Citadel


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: b68844095af181c139ed272cb04e830f803770518ad9dd78cb789e8f4571b4c3
SHA3-384 hash: 9852d6eb5cecf2716ebd2f2a7e2ef0a293fbed1613311357f6295510cb568293a742c7ffb37c49f0197f4410d76f2bbb
SHA1 hash: f07e1454a8b708c150490fc454623519dfd6cef3
MD5 hash: fd239f6ff382ff48c0b544c650f7e04b
humanhash: neptune-pasta-hydrogen-triple
File name:SKM_454e20070310530.SCR
Download: download sample
Signature Citadel
File size:827'392 bytes
First seen:2020-07-29 11:25:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e8ef47e85c79ee608837cc415c05c43b (15 x AgentTesla, 5 x NanoCore, 5 x Loki)
ssdeep 24576:Bfd8z4byilBdlGXwhTSPzX1GzuKTlMxEhh:Bf8IN1Q5bFGK4SE3
Threatray 100 similar samples on MalwareBazaar
TLSH 8A05BF66B2E14833D1672E389C1B5764AF3ABE002E3459752FFC1C4C9F3979138662A7
Reporter @jarumlus
Tags:Citadel

Intelligence


File Origin
# of uploads :
1
# of downloads :
72
Origin country :
FR FR
Mail intelligence
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Deleting a recently created file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Connection attempt
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a browser process
Result
Threat name:
Unknown
Detection:
malicious
Classification:
phis.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Contains functionality to detect sleep reduction / modifications
Creates a thread in another existing process (thread injection)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disables Internet Explorer cookie cleaning (a user can no longer delete cookies)
Drops batch files with force delete cmd (self deletion)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies Internet Explorer zone settings
Overwrites code with function prologues
Overwrites Windows DLL code with PUSH RET codes
Sigma detected: Suspicious Svchost Process
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253585 Sample: SKM_454e20070310530.SCR Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 59 Malicious sample detected (through community Yara rule) 2->59 61 Machine Learning detection for sample 2->61 63 Binary contains a suspicious time stamp 2->63 65 Sigma detected: Suspicious Svchost Process 2->65 9 SKM_454e20070310530.exe 2->9         started        process3 signatures4 75 Detected unpacking (changes PE section rights) 9->75 77 Detected unpacking (overwrites its own PE header) 9->77 79 Drops batch files with force delete cmd (self deletion) 9->79 81 2 other signatures 9->81 12 SKM_454e20070310530.exe 9 9->12         started        process5 file6 41 C:\Users\user\AppData\...\iwfonyazk.exe, PE32 12->41 dropped 43 C:\Users\user\AppData\...\tmp8c4cd935.bat, DOS 12->43 dropped 45 C:\Users\user\AppData\Local\...\tmp4D9B.tmp, PE32 12->45 dropped 47 C:\Users\user\AppData\Local\...\tmp4D3C.tmp, PE32 12->47 dropped 91 Overwrites Windows DLL code with PUSH RET codes 12->91 93 Overwrites code with function prologues 12->93 16 iwfonyazk.exe 12->16         started        19 cmd.exe 1 12->19         started        signatures7 process8 signatures9 51 Detected unpacking (changes PE section rights) 16->51 53 Detected unpacking (overwrites its own PE header) 16->53 55 Machine Learning detection for dropped file 16->55 57 2 other signatures 16->57 21 iwfonyazk.exe 2 16->21         started        25 conhost.exe 19->25         started        process10 file11 37 C:\Users\user\AppData\Local\...\tmp6385.tmp, PE32 21->37 dropped 39 C:\Users\user\AppData\Local\...\tmp6345.tmp, PE32 21->39 dropped 67 Injects code into the Windows Explorer (explorer.exe) 21->67 69 Overwrites Windows DLL code with PUSH RET codes 21->69 71 Overwrites code with function prologues 21->71 73 4 other signatures 21->73 27 GZPHWAIvLLeTCrnUnV.exe 2 2 21->27 injected 30 RuntimeBroker.exe 21->30 injected 33 svchost.exe 1 21->33         started        35 13 other processes 21->35 signatures12 process13 dnsIp14 83 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->83 85 Tries to steal Mail credentials (via file access) 27->85 87 Disables Internet Explorer cookie cleaning (a user can no longer delete cookies) 27->87 89 4 other signatures 27->89 49 192.168.2.1 unknown unknown 30->49 signatures15
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-29 11:26:09 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Adds Run key to start application
Adds Run key to start application
Loads dropped DLL
Deletes itself
Loads dropped DLL
Executes dropped EXE
Executes dropped EXE

YARA Signatures


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

Rule name:Atmos_Malware
Author:xylitol@temari.fr
Description:Generic Spyware.Citadel.Atmos Signature
Reference:http://www.xylibox.com/2016/02/citadel-0011-atmos.html
Rule name:Atmos_Packed_Malware
Author:xylitol@temari.fr
Description:Second Generic Spyware.Citadel.Atmos signture when builder add a packed layer
Reference:http://www.xylibox.com/2016/02/citadel-0011-atmos.html
Rule name:citadel13xy
Author:Jean-Philippe Teissier / @Jipe_
Description:Citadel 1.5.x.y trojan banker
Rule name:win_citadel_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

Citadel

Executable exe b68844095af181c139ed272cb04e830f803770518ad9dd78cb789e8f4571b4c3

(this sample)

  
Delivery method
Distributed via e-mail attachment

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