MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af1782b2066154e64360599c0420076f9bdf9933b5eca5914466be6b74644ec0. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: af1782b2066154e64360599c0420076f9bdf9933b5eca5914466be6b74644ec0
SHA3-384 hash: e7572db0442ae443ce90078fd5daa8f1b50ef3e971e918d8ccfa9fd26fac9ea6b8b4f4966075f82ee515c6ef8986f4c1
SHA1 hash: 36a753ebd1d44abd50866ce120da4d845165aed0
MD5 hash: fce19cd0959a9c5dff1a7edcc9c0ffa0
humanhash: high-oxygen-march-jersey
File name:Bank Form 790973112098.exe
Download: download sample
Signature Formbook
File size:77'824 bytes
First seen:2022-04-08 09:28:25 UTC
Last seen:2022-04-08 13:54:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 768:5YpeiUO8PtQAFYYm8cJgJtFBqnj9WzNWfSbXFpILWEorOGlbMwCKi3deVD8:SAiUDQmVm8CM1qJ0WSb1OKXOp30VD8
Threatray 162 similar samples on MalwareBazaar
TLSH T156732A0A3A89A719C2D876FC49F151911371ADF71222C10FDCF83A285973793ECCA65E
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank Form 790973112098.exe
Verdict:
Suspicious activity
Analysis date:
2022-04-08 22:20:36 UTC
Tags:
n/a

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

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 605745 Sample: Bank Form 790973112098.exe Startdate: 08/04/2022 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 8 Bank Form 790973112098.exe 16 7 2->8         started        process3 dnsIp4 39 amtechprinting.com 64.188.2.244, 443, 49733, 49794 ASN-QUADRANET-GLOBALUS United States 8->39 29 C:\Users\user\AppData\Roaming\...\Hfpnzs.exe, PE32 8->29 dropped 31 C:\Users\user\...\Hfpnzs.exe:Zone.Identifier, ASCII 8->31 dropped 33 C:\Users\...\Bank Form 790973112098.exe.log, ASCII 8->33 dropped 12 MSBuild.exe 8->12         started        15 cmd.exe 1 8->15         started        file5 process6 signatures7 53 Modifies the context of a thread in another process (thread injection) 12->53 55 Maps a DLL or memory area into another process 12->55 57 Tries to detect virtualization through RDTSC time measurements 12->57 17 explorer.exe 3 1 12->17 injected 19 conhost.exe 15->19         started        21 timeout.exe 1 15->21         started        process8 process9 23 Hfpnzs.exe 14 2 17->23         started        27 Hfpnzs.exe 2 17->27         started        dnsIp10 35 amtechprinting.com 23->35 49 Multi AV Scanner detection for dropped file 23->49 51 Machine Learning detection for dropped file 23->51 37 amtechprinting.com 27->37 signatures11
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-04-08 05:52:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
13 of 26 (50.00%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:e0i2 persistence rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
af1782b2066154e64360599c0420076f9bdf9933b5eca5914466be6b74644ec0
MD5 hash:
fce19cd0959a9c5dff1a7edcc9c0ffa0
SHA1 hash:
36a753ebd1d44abd50866ce120da4d845165aed0
Malware family:
FormBook
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe af1782b2066154e64360599c0420076f9bdf9933b5eca5914466be6b74644ec0

(this sample)

  
Delivery method
Distributed via e-mail attachment

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