MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cec7134d68d67d6f7ee0d32945f6ee4eafeb58a68c4769867f212ad879480c22. 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 7 File information Comments

SHA256 hash: cec7134d68d67d6f7ee0d32945f6ee4eafeb58a68c4769867f212ad879480c22
SHA3-384 hash: f4b967a9520a5e83f74e0bacd2082d491cd2b26e2186e093616032159d2e51082223d97e17d2798f257199dc03451c8f
SHA1 hash: 6d12343a3c3f5b0963b29f627149a50b4e45b863
MD5 hash: db1d6b6c1108594478f24a4786471f12
humanhash: xray-lemon-north-princess
File name:file
Download: download sample
Signature Formbook
File size:266'204 bytes
First seen:2023-01-27 13:19:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:/Ya6NlOY6ck9QfODA2riUkgkg4j8DLeHrcQBFtz4niOVdNPpm:/YXcqf7tjg5r0zz4iKm
TLSH T1C8441204A5E4C8ABC6B317322E745966ABF1AD360C59631F3355978DBB03351EA8F323
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-27 13:22:15 UTC
Tags:
formbook xloader 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 file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
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 browser process
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
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
Detected unpacking (changes PE section rights)
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 dnsIp2 2 Behavior Graph ID: 792956 Sample: file.exe Startdate: 27/01/2023 Architecture: WINDOWS Score: 100 34 www.hkifarm.com 2->34 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 5 other signatures 2->56 12 file.exe 19 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\hkjgvrfvu.exe, PE32 12->32 dropped 15 hkjgvrfvu.exe 12->15         started        process6 signatures7 66 Detected unpacking (changes PE section rights) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Tries to detect virtualization through RDTSC time measurements 15->70 18 hkjgvrfvu.exe 15->18         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 21 explorer.exe 4 6 18->21 injected process10 dnsIp11 36 affluencegroup.net 192.185.129.69, 49701, 80 UNIFIEDLAYER-AS-1US United States 21->36 38 www.eboomp.pics 104.21.92.23, 49702, 80 CLOUDFLARENETUS United States 21->38 40 3 other IPs or domains 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 25 explorer.exe 21->25         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2023-01-27 13:20:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 39 (41.03%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:w12e 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 UnmapMainImage
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:
edf66cd0400e292f6d9379e5a6f91ddff2ec215b2d13484ca8f6a740b1085bca
MD5 hash:
50dc5741790c3e0435ed979e2c090e51
SHA1 hash:
747dacd5f915ade2da4e85f7ec9c16deee5bd4e0
SH256 hash:
cec7134d68d67d6f7ee0d32945f6ee4eafeb58a68c4769867f212ad879480c22
MD5 hash:
db1d6b6c1108594478f24a4786471f12
SHA1 hash:
6d12343a3c3f5b0963b29f627149a50b4e45b863
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
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 cec7134d68d67d6f7ee0d32945f6ee4eafeb58a68c4769867f212ad879480c22

(this sample)

  
Delivery method
Distributed via web download

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