MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7139fbd600738d2f456c7f11ae105e45ab0bb6e14a473ae0e68391b8125da393. 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 1 File information Comments

SHA256 hash: 7139fbd600738d2f456c7f11ae105e45ab0bb6e14a473ae0e68391b8125da393
SHA3-384 hash: 95b59316e5a2e943a8340ea5238b70737027cf289e329c8eb3a110919f97c7790871ee05c1759d70ea223caef43c54e0
SHA1 hash: cdfcde4ab8907b98d3266eb1f80afa43821fb764
MD5 hash: e24296acfd8c4ec1fb1e5b4b9379be14
humanhash: purple-twelve-cardinal-diet
File name:PO_JAN907#092941_BARYSLpdf.exe
Download: download sample
Signature Formbook
File size:950'784 bytes
First seen:2021-01-18 08:01:11 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:dw2ut5cBAIxZ9rROYtNjpWs6mg7ykhX3D9KIDv7uxxlKBBn16evhj:qUxZ9rRRtNjd6m0ygprDzenKBFwe5j
Threatray 3'482 similar samples on MalwareBazaar
TLSH 79155A3D71B44B16E438AFF44A6883CC8BBDEE5A1616DE09FDC136F6D571B01860A623
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: cpanel3.centrin.net.id
Sending IP: 202.146.241.47
From: Barysl Logistics <acctg@baryslogs.com>
Reply-To: acctg@baryslogs.com
Subject: Re: Re: BARYSL/CHEVEUX /PO#092941 /NYC/
Attachment: PO_JAN907092941_BARYSLpdf.arj (contains "PO_JAN907#092941_BARYSLpdf.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_JAN907#092941_BARYSLpdf.exe
Verdict:
Malicious activity
Analysis date:
2021-01-18 08:12:22 UTC
Tags:
trojan formbook 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
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 340765 Sample: PO_JAN907#092941_BARYSLpdf.exe Startdate: 18/01/2021 Architecture: WINDOWS Score: 100 31 www.thenewwayofliving.com 2->31 33 thenewwayofliving.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 8 other signatures 2->47 11 PO_JAN907#092941_BARYSLpdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\...\PO_JAN907#092941_BARYSLpdf.exe.log, ASCII 11->29 dropped 57 Detected unpacking (changes PE section rights) 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 PO_JAN907#092941_BARYSLpdf.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.bavarian-luxury.com 85.13.128.31, 49701, 80 NMM-ASD-02742FriedersdorfHauptstrasse68DE Germany 18->35 37 www.br9898.com 72.44.77.80, 49694, 80 MULTA-ASN1US United States 18->37 39 2 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 help.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-01-18 06:33:47 UTC
AV detection:
4 of 46 (8.70%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.thedilleyo.com/kb8/
Unpacked files
SH256 hash:
232c4a2b3e780581f756cfb09310d92748331b3354a2156bc7027ef5e8ccab97
MD5 hash:
1a21af697dc5e1f378b3115b2ba00f60
SHA1 hash:
fe45f9a0dded9ccf3af215c4ce43e692d31dd946
SH256 hash:
3e93b24757a6f4e661692329750893630081aa31c06ae040418125047111f8c9
MD5 hash:
dd54cc3eaffe3bf6f734b11fa61ea1a0
SHA1 hash:
5be520f59497a39047543806eee511abbdca9fa0
SH256 hash:
7139fbd600738d2f456c7f11ae105e45ab0bb6e14a473ae0e68391b8125da393
MD5 hash:
e24296acfd8c4ec1fb1e5b4b9379be14
SHA1 hash:
cdfcde4ab8907b98d3266eb1f80afa43821fb764
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

File information


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

Malspam

Formbook

Executable exe 7139fbd600738d2f456c7f11ae105e45ab0bb6e14a473ae0e68391b8125da393

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments