MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9477f38fadfaf52a609392f7b372b558c7aa029da15f940331fcc48ef0ad9a9. 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 2 File information Comments

SHA256 hash: d9477f38fadfaf52a609392f7b372b558c7aa029da15f940331fcc48ef0ad9a9
SHA3-384 hash: d594bc7cbeab4a23939f03ad9dff762b7b0e09ef1affda52a736752b3f7c6e06c4cfc3629fd11351df17da2019337560
SHA1 hash: 8d2fad3df8e7d3a956ba5b3eeaa444f244c4ecf8
MD5 hash: 68e76dbb925939439ee80d3db18d37e3
humanhash: alabama-minnesota-arkansas-eleven
File name:Purchas Order.exe
Download: download sample
Signature Formbook
File size:701'440 bytes
First seen:2022-04-04 09:08:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:/xBJ1XW38YRhyIDlZV6J1cgaTsj2GoTKxbQTovY1BqDYAz6sq:B1Xd4lZA136NTKxrvAO
Threatray 14'579 similar samples on MalwareBazaar
TLSH T1F1E4D02827E44A52E9BE4BFD9072594093B1FE22AC1FF70E5AC134F92D73391C912A57
File icon (PE):PE icon
dhash icon 7cf6b6aa8ed0e8b4 (18 x Formbook, 3 x SnakeKeylogger, 2 x NanoCore)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
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
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 602324 Sample: Purchas Order.exe Startdate: 04/04/2022 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 11 other signatures 2->48 10 Purchas Order.exe 3 2->10         started        process3 file4 34 C:\Users\user\...\Purchas Order.exe.log, ASCII 10->34 dropped 52 Injects a PE file into a foreign processes 10->52 14 Purchas Order.exe 10->14         started        17 Purchas Order.exe 10->17         started        19 Purchas Order.exe 10->19         started        21 2 other processes 10->21 signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 23 explorer.exe 14->23 injected process8 dnsIp9 36 athlonebiokinesiology.com 81.17.241.117, 49803, 80 BLACKNIGHT-ASIE Ireland 23->36 38 www.melaniewieseler.com 23->38 40 4 other IPs or domains 23->40 50 System process connects to network (likely due to code injection or exploit) 23->50 27 colorcpl.exe 23->27         started        signatures10 process11 signatures12 54 Self deletion via cmd delete 27->54 56 Modifies the context of a thread in another process (thread injection) 27->56 58 Maps a DLL or memory area into another process 27->58 60 Tries to detect virtualization through RDTSC time measurements 27->60 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-04 09:09:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:d1n3 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
c4ebe76ff66d781f71fb0fc006612d585b3eac7d55880a38dacb9f51ba2ffa18
MD5 hash:
ef5c9071c476298553655b4f7d68b593
SHA1 hash:
686ab3dc26d4279006633030047403bd31948208
SH256 hash:
da1c2b73cbc3545a9a54f31fdca821d81b0bf13465b822fba989d63f88de8afc
MD5 hash:
1db2347ec557882f19159b74e7c91b99
SHA1 hash:
679e1a4d820d7e02a71b958d45213497b4fa5566
SH256 hash:
71764eb60a83a17343af4a26bf3ec546c5ee08454722233fd5cf59693327b1a4
MD5 hash:
bfcf754fb9acba752f79f44817b7be23
SHA1 hash:
01af19456b6f97790973d0d67a97ecc362ab7aed
SH256 hash:
d9477f38fadfaf52a609392f7b372b558c7aa029da15f940331fcc48ef0ad9a9
MD5 hash:
68e76dbb925939439ee80d3db18d37e3
SHA1 hash:
8d2fad3df8e7d3a956ba5b3eeaa444f244c4ecf8
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 d9477f38fadfaf52a609392f7b372b558c7aa029da15f940331fcc48ef0ad9a9

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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