MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c2f6b38af555e63c11d8dd6bebf23031802d079556720108ba51d5d87418fdc. 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 1

SHA256 hash: 1c2f6b38af555e63c11d8dd6bebf23031802d079556720108ba51d5d87418fdc
SHA3-384 hash: 36cbe738667032492ae85cfff63370703c32632c6c5aa80c4b422063bdb60905fb281ae0719254bf3f5d9d95358ac392
SHA1 hash: 8f69a71972eec5637f610120a5c0c7e48664fdba
MD5 hash: 32ea0a4772c1a0e460360f74ea015437
humanhash: oregon-oranges-pluto-xray
File name:32ea0a4772c1a0e460360f74ea015437
Download: download sample
Signature Formbook
File size:248'514 bytes
First seen:2022-04-07 08:17:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 3072:l1NjcVVnLpPunbWb7TbOAq1wjdKuJ5gkJysuHQSRVprOSwwsW2vuKxmmLJ9mwdHZ:HNeZmA7TaWYuJhzDwrOSwwhsRN9RcEOa
TLSH T1E534124A7AB0F47BFDE306B50E169B61FDDA99020374178B4BA0BF9D39516858E0F306
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Draft BL & Packing List.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-07 05:51:11 UTC
Tags:
exploit CVE-2017-11882 loader formbook trojan stealer

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
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
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook overlay packed python shell32.dll virus
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
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 604675 Sample: LKwOy91aam Startdate: 07/04/2022 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 6 other signatures 2->53 11 LKwOy91aam.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\uqlzpmont.exe, PE32 11->31 dropped 14 uqlzpmont.exe 11->14         started        process5 signatures6 63 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->63 65 Tries to detect virtualization through RDTSC time measurements 14->65 67 Injects a PE file into a foreign processes 14->67 17 uqlzpmont.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 17->20 injected process9 dnsIp10 33 www.ripper66.com 20->33 35 www.kesrimarham.online 20->35 37 ghs.google.com 142.250.185.243, 49776, 80 GOOGLEUS United States 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 wlanext.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2022-04-07 08:18:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sh30 rat spyware stealer trojan
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
5567cdcca720ad60bbd07c17399a420660ce6c0d0a425d141643c56f2072e86c
MD5 hash:
eeee873dd57e154df3e4dbde156c045e
SHA1 hash:
315c4bf45e669a1c173eae68714be8559ddf97f6
SH256 hash:
1c2f6b38af555e63c11d8dd6bebf23031802d079556720108ba51d5d87418fdc
MD5 hash:
32ea0a4772c1a0e460360f74ea015437
SHA1 hash:
8f69a71972eec5637f610120a5c0c7e48664fdba
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.

Web download

Formbook

Executable exe 1c2f6b38af555e63c11d8dd6bebf23031802d079556720108ba51d5d87418fdc

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-04-07 08:17:10 UTC

url : hxxp://103.94.127.58/ooc.exe