MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72ab227fe94d19de1a1774bba8c2d3aac8c38a44fc07ad7b8c9eea39b4071dbc. 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 4 File information Comments

SHA256 hash: 72ab227fe94d19de1a1774bba8c2d3aac8c38a44fc07ad7b8c9eea39b4071dbc
SHA3-384 hash: e07964c452ff79b1d644802d27757d18da7f9e8972a10ad6afefa0ba3770a257ad8c6ea5d0177b7cf13c628723741453
SHA1 hash: 419c523dd5691b6460b2673cb14f9cbffecb4b0e
MD5 hash: 678905f445e5a862ba932b321ecb01bd
humanhash: uniform-speaker-uranus-stairway
File name:Payment Swift-Ref No MT10317T154011JM.pdf.exe
Download: download sample
Signature Formbook
File size:575'488 bytes
First seen:2021-08-31 13:37:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:SgcxTz/wM2scdiEoVT2LNjfDsOSsGjnqx4ofNfH0AWEzfLDIwABIBVar:SbTz45PMWjfHSsKnqmof2
Threatray 8'674 similar samples on MalwareBazaar
TLSH T1FBC4CF9D725075EFC867C8738A682C64EA6174BB970FD203A05316AD9A0E8DBCF151F3
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Swift-Ref No MT10317T154011JM.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-31 13:45:17 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
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Double Extension
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 475087 Sample: Payment Swift-Ref No MT1031... Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 31 www.lifeofaroma.com 2->31 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 14 other signatures 2->43 11 Payment Swift-Ref No MT10317T154011JM.pdf.exe 3 2->11         started        signatures3 process4 file5 29 Payment Swift-Ref ...54011JM.pdf.exe.log, ASCII 11->29 dropped 55 Injects a PE file into a foreign processes 11->55 15 Payment Swift-Ref No MT10317T154011JM.pdf.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.zoehqwg.icu 47.91.170.222, 49728, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 18->33 35 www.depreme.com 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 rundll32.exe 18->22         started        signatures11 process12 signatures13 47 Self deletion via cmd delete 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-31 00:54:53 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g0ib 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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.stickyflasks.com/g0ib/
Unpacked files
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
ed3245fe9479eb1fa73242fe243da362098516187ed7077d114856bfea745f6e
MD5 hash:
06a1c652aee87eab4ab8f7f50ba11dfb
SHA1 hash:
6dd979c3954492aecad21ca9d6d5c029c026686f
SH256 hash:
2bd3c328e6eac2da04c832d2ba0eea78ef518d66ae14e1257fd8096f37f22b59
MD5 hash:
446c33bb016c764b0cf1a852e9bfbf12
SHA1 hash:
c3159204fbfdfcd65a234359428e717cd4339095
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
72ab227fe94d19de1a1774bba8c2d3aac8c38a44fc07ad7b8c9eea39b4071dbc
MD5 hash:
678905f445e5a862ba932b321ecb01bd
SHA1 hash:
419c523dd5691b6460b2673cb14f9cbffecb4b0e
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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.

Comments