MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e8978d9e298c1f7dfc988a4b218badd93df889eab03388033a1683f5b495f10. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 1e8978d9e298c1f7dfc988a4b218badd93df889eab03388033a1683f5b495f10
SHA3-384 hash: 39126fe312bc18a0e59f10811e585566be138e8337ee2f10a21947cea68dc021ce51391309cf6dec4b23e8598cb4e409
SHA1 hash: 2a67f83be5a6fe7fa112ae9b60f8d9102652ffb4
MD5 hash: 2ebb34d02a43c69a0f0e077f3abce970
humanhash: lion-winter-florida-neptune
File name:Payment Copy_PDF___________________________________...exe
Download: download sample
Signature Formbook
File size:535'913 bytes
First seen:2022-02-16 01:53:47 UTC
Last seen:2022-02-16 15:16:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:/wztsy18JzHIQyDCvuCB0YTh7AfarZQVdAZNfs2Q1WbyHgT8BLvBJFMFKLCPMykg:Qtsy18JD9yDCbxkmQUc2QAjoBlWkt4dx
Threatray 3'342 similar samples on MalwareBazaar
TLSH T1E6B49C357D10F8ADD60903FEF45AABADE5D46E943D1887F926603ECA5232073AD081E7
File icon (PE):PE icon
dhash icon 1071e8f0e871b268 (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ab.exe
Verdict:
Malicious activity
Analysis date:
2022-02-16 12:50:27 UTC
Tags:
installer

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 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)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
MALICIOUS
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
Machine Learning detection for sample
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: 572991 Sample: Payment Copy_PDF___________... Startdate: 16/02/2022 Architecture: WINDOWS Score: 100 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 6 other signatures 2->41 8 Payment Copy_PDF___________________________________...exe 19 2->8         started        11 yugnpvbqqfiipe.exe 2->11         started        13 yugnpvbqqfiipe.exe 2->13         started        process3 file4 27 C:\Users\user\AppData\Local\...\rfqdqim.exe, PE32 8->27 dropped 15 rfqdqim.exe 1 2 8->15         started        19 WerFault.exe 10 11->19         started        21 WerFault.exe 10 13->21         started        process5 file6 29 C:\Users\user\AppData\...\yugnpvbqqfiipe.exe, PE32 15->29 dropped 31 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->31 33 Injects a PE file into a foreign processes 15->33 23 rfqdqim.exe 15->23         started        signatures7 process8 process9 25 WerFault.exe 23 9 23->25         started       
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2022-02-16 01:54:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
12 of 43 (27.91%)
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
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
926128ac6049ee1bd6e21a0b5f7605195cfa9334803cbdbcd22bc3b53224713f
MD5 hash:
434e6e702ce020514508fddf0e3279b6
SHA1 hash:
daabef321140db4f692eec747baf0399cd5b260e
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
36d1f2bfacd3582d9233a370b37e9e30e8deff2110dc9edb51295f4eed96386b
MD5 hash:
f7182552c2dddb893b1e7ce868cdbae7
SHA1 hash:
4782e63de70f1fe9a128a61053f0a1270502204d
SH256 hash:
1e8978d9e298c1f7dfc988a4b218badd93df889eab03388033a1683f5b495f10
MD5 hash:
2ebb34d02a43c69a0f0e077f3abce970
SHA1 hash:
2a67f83be5a6fe7fa112ae9b60f8d9102652ffb4
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 1e8978d9e298c1f7dfc988a4b218badd93df889eab03388033a1683f5b495f10

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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