MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a434269888c9382307a609aceba2b185542ab901cda169d761c2650c84f2f4e. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 7a434269888c9382307a609aceba2b185542ab901cda169d761c2650c84f2f4e
SHA3-384 hash: 8afc5b7684da1427e4f81a283f24d682ea2d9dc2f6a7019140ce97d3ac0cfc31551af7fe1c995a3597364953efa9580f
SHA1 hash: ec52bc66ee4f080618fdc06aa994765c0adc6dee
MD5 hash: 7d752130c300fcf1d2cd1668fc29ae28
humanhash: april-winter-idaho-wyoming
File name:payment advise.exe
Download: download sample
Signature Formbook
File size:1'502'208 bytes
First seen:2021-01-19 07:25:36 UTC
Last seen:2021-01-19 09:59:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:cz0A0vEJK5ujQkYPQ/tzYfUv5Xe7KWrAI5+xo2d:i0cJK5LzatzYfU2PU3
Threatray 3'533 similar samples on MalwareBazaar
TLSH EF65D7AC712071EFC857D4B2CEA81DA8AB546C7A831B4503E45736ADDA3D897CF244F2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: vps.noscoegypt.com
Sending IP: 142.4.1.71
From: Golden Ocean Shipping Co Pte Ltd <dynastyship@acmeship.com.tw>
Reply-To: dynastyshiq@acmeship.com.tw
Subject: Re: Outstanding payments
Attachment: payment advise.arj (contains "payment advise.exe")

Intelligence


File Origin
# of uploads :
3
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping document.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-19 06:12:24 UTC
Tags:
encrypted exploit CVE-2017-11882 trojan formbook stealer opendir

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

Behaviour
Sending a UDP request
Creating a window
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
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 signatures2 2 Behavior Graph ID: 341402 Sample: payment advise.exe Startdate: 19/01/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 11 other signatures 2->43 10 payment advise.exe 3 2->10         started        process3 file4 27 C:\Users\user\...\payment advise.exe.log, ASCII 10->27 dropped 13 payment advise.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.evalinkapuppets.com 81.17.18.196, 49756, 80 PLI-ASCH Switzerland 16->29 31 www.jinjudiamond.com 192.155.168.80, 49745, 80 PING-GLOBAL-ASPingGlobalAmsterdamPOPASNNL United States 16->31 33 4 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 help.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-01-18 23:13:16 UTC
AV detection:
19 of 46 (41.30%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
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.aftabzahur.com/wgn/
Unpacked files
SH256 hash:
fdae66079fe69e8d0fe7388597c4413f3ec0f022d0c06e5d0d79022dce260ad0
MD5 hash:
eedb273686a9d640be5f6d775378c316
SHA1 hash:
1845cde65bd52101dad5402db2d12c5958baf2ed
SH256 hash:
366da8a6cbd04282ab6ef9c2ffc25d4aee0e52461da78ecc17ecba2db39ed834
MD5 hash:
460571c0e5a72a62cd42adc66616f197
SHA1 hash:
88f9305bd2a88cac12574fa86922a1b9c63dd32c
SH256 hash:
7a434269888c9382307a609aceba2b185542ab901cda169d761c2650c84f2f4e
MD5 hash:
7d752130c300fcf1d2cd1668fc29ae28
SHA1 hash:
ec52bc66ee4f080618fdc06aa994765c0adc6dee
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:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del

File information


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

Malspam

Formbook

Executable exe 7a434269888c9382307a609aceba2b185542ab901cda169d761c2650c84f2f4e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments