MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c933007d33dcea4eafb81ba9e29ef5c4cdbda2360266cd27442218f2b91e58e. 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



Formbook


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 3c933007d33dcea4eafb81ba9e29ef5c4cdbda2360266cd27442218f2b91e58e
SHA3-384 hash: 7e5eaecca671f770cdc0305092e54aa460052fdfc689f9331ff7a5a80f7047b06e43ded513232d3c389d72cf32d5903e
SHA1 hash: a253bf77d2ba3177ade090e707e46119d124ef49
MD5 hash: f158cb25a9f6530ab867ae5833a5d210
humanhash: burger-cup-music-floor
File name:DHL AWB_#factura de recibo de 79654210,pdf.exe
Download: download sample
Signature Formbook
File size:1'039'872 bytes
First seen:2022-09-14 16:36:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:TAjsWG92V7uikFg8U6ZInRbwixaMLvtBzEFMbCkBemwu/klz7Z+f8EQCC8fu:12lubghkInuixamnrukBemnknezQCCX
Threatray 14'325 similar samples on MalwareBazaar
TLSH T14325E12426B3CD0BC9A96131D8E2E2701B785DD5862FC74F19D83DB7F637398A8913A1
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
305
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 703034 Sample: DHL AWB_#factura de recibo ... Startdate: 14/09/2022 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->41 43 11 other signatures 2->43 7 DHL AWB_#factura de recibo de 79654210,pdf.exe 7 2->7         started        process3 file4 29 C:\Users\user\AppData\Roaming\vzUDPEkL.exe, PE32 7->29 dropped 31 C:\Users\...\vzUDPEkL.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmpF24A.tmp, XML 7->33 dropped 35 DHL AWB_#factura d...9654210,pdf.exe.log, ASCII 7->35 dropped 47 Adds a directory exclusion to Windows Defender 7->47 11 DHL AWB_#factura de recibo de 79654210,pdf.exe 7->11         started        14 powershell.exe 21 7->14         started        16 schtasks.exe 1 7->16         started        signatures5 process6 signatures7 49 Modifies the context of a thread in another process (thread injection) 11->49 51 Maps a DLL or memory area into another process 11->51 53 Sample uses process hollowing technique 11->53 55 Queues an APC in another process (thread injection) 11->55 18 wlanext.exe 11->18         started        21 explorer.exe 11->21 injected 23 autochk.exe 11->23         started        25 conhost.exe 14->25         started        27 conhost.exe 16->27         started        process8 signatures9 45 Maps a DLL or memory area into another process 18->45
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-14 16:37:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:q40s rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Unpacked files
SH256 hash:
e4ab8392bbae038f7354a4307753ba802fb383134ce195594fc94776b6f27c43
MD5 hash:
4dde67d9892ca520e658c900d59f3856
SHA1 hash:
6a05bcef01cb755c4948bc16286a5c237ff5d704
SH256 hash:
78d3d436b3fe016eb9994dfbb139262f91adfaf35b5ca62a308a78f4ca3b7530
MD5 hash:
194c5df9312df4028d9ebe58180c845a
SHA1 hash:
96157c7263950514ad5564b9e8d9ef757808344f
SH256 hash:
3a587e6c410c9e818f5067089c3d67bbe78ef9e528375041903c3b1d15dc268d
MD5 hash:
da6119c91d98228141009340bab06231
SHA1 hash:
70ad36f4b9ae8676c87208915a7c9bd630d596fb
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
3c933007d33dcea4eafb81ba9e29ef5c4cdbda2360266cd27442218f2b91e58e
MD5 hash:
f158cb25a9f6530ab867ae5833a5d210
SHA1 hash:
a253bf77d2ba3177ade090e707e46119d124ef49
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: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.

Comments