MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fd7b914185575863f75d5ac1950236aa9cb4aece2fce6ef2a5cdfecdb0860fc. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 3fd7b914185575863f75d5ac1950236aa9cb4aece2fce6ef2a5cdfecdb0860fc
SHA3-384 hash: dfa35331f0be733ffa57ff352aa265ac83673fc67aecea3964ab9a64565300c8a4f35042a864e79c8e882a87068d575d
SHA1 hash: d8c48a17efcb7cda5f7448532359ede359a20450
MD5 hash: f30fa6cb4fed98d285de228c6b6a5aaa
humanhash: xray-diet-stairway-artist
File name:Putzmeister Pump_PDF___________________________________...exe
Download: download sample
Signature Formbook
File size:587'206 bytes
First seen:2022-02-15 05:02:18 UTC
Last seen:2022-02-15 16:02:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:fwGZaFqkYB56f7Z/5fTxWZGr/0Q8SgGTrO1zYwIJykuT1AcSgghbp4VmgwUNstoL:5kYM7V5fN5cyORko1ShbK5N/2+drX7d
Threatray 13'120 similar samples on MalwareBazaar
TLSH T143C4E0857D889B4BC2DC29308E72E7B70F221C5E6D21865362F93F5BB6FD0931809B65
File icon (PE):PE icon
dhash icon 71f8f8f0ccd4d4cc (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 572382 Sample: Putzmeister Pump_PDF_______... Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 31 Multi AV Scanner detection for domain / URL 2->31 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 5 other signatures 2->37 7 Putzmeister Pump_PDF___________________________________...exe 19 2->7         started        10 ilgakqc.exe 2->10         started        12 ilgakqc.exe 2->12         started        process3 file4 25 C:\Users\user\AppData\...\awsighmukt.exe, PE32 7->25 dropped 14 awsighmukt.exe 1 2 7->14         started        18 WerFault.exe 2 9 10->18         started        21 WerFault.exe 23 9 12->21         started        process5 dnsIp6 27 C:\Users\user\AppData\Roaming\...\ilgakqc.exe, PE32 14->27 dropped 39 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->39 41 Injects a PE file into a foreign processes 14->41 23 awsighmukt.exe 1 14->23         started        29 192.168.2.1 unknown unknown 18->29 file7 signatures8 process9
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-15 05:03:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ihg0 loader persistence rat
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Suspicious use of NtCreateProcessExOtherParentProcess
Xloader
Unpacked files
SH256 hash:
3908c3907bbc47ec245ad01b944cc1baaab0d9ffcae2ba442fd9c153519d555f
MD5 hash:
c9400f82dcea495293bec992f7a01011
SHA1 hash:
2d4971628d9484c4380386b2a23cc15f329f9338
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
11c32ff68cbc9d09d9da5aad04c86b57a361dc18fb40bea0a47e885b6ee82af8
MD5 hash:
cb12d7c0f76ba4d6fab50b7a88e78fe2
SHA1 hash:
24207daadf5f8aaacd5686937abb507c3c5b668b
SH256 hash:
3fd7b914185575863f75d5ac1950236aa9cb4aece2fce6ef2a5cdfecdb0860fc
MD5 hash:
f30fa6cb4fed98d285de228c6b6a5aaa
SHA1 hash:
d8c48a17efcb7cda5f7448532359ede359a20450
Malware family:
XLoader
Verdict:
Malicious
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 3fd7b914185575863f75d5ac1950236aa9cb4aece2fce6ef2a5cdfecdb0860fc

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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