MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffc1923acd60afc54f768c2f509edea31a11f82f2a1873f4bc12f69c73f9de71. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: ffc1923acd60afc54f768c2f509edea31a11f82f2a1873f4bc12f69c73f9de71
SHA3-384 hash: bd720140fb9569c0918817e94b17555b108974b41b500f11aa63043fd1449aa7cfd0345b78c30d146ac7057835e65591
SHA1 hash: 1e94c4dfce45db6aff302306748939d8c930ad35
MD5 hash: 05d1cd0fabd725e7cd67ba763552af1f
humanhash: fruit-cold-jersey-triple
File name:Purchase Order - Ref# MHFZE-02JHSP2403-22.exe
Download: download sample
Signature Formbook
File size:201'216 bytes
First seen:2022-03-29 12:43:22 UTC
Last seen:2022-03-29 13:50:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:cDvwf10+yIq/WrmEy4iFG8VzUsyfPENTW6FJUDsyyT8ARpSI+czjLAqqfKFxlDx3:cT01hta4iJVopPENi6UgyyACh/Nrf/
TLSH T166140A211206D528F2D432F745A755FA7BBD7C033D95D89E22A8B92B042D6C3AF07B4E
File icon (PE):PE icon
dhash icon 0c8eb0e0e0f0f0a6 (5 x AveMariaRAT, 5 x AgentTesla, 3 x SnakeKeylogger)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
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
Executable has a suspicious name (potential lure to open the executable)
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 599188 Sample: Purchase Order - Ref# MHFZE... Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for URL or domain 2->35 37 9 other signatures 2->37 10 Purchase Order - Ref# MHFZE-02JHSP2403-22.exe 15 3 2->10         started        process3 dnsIp4 29 trieutin.com 119.17.253.214, 443, 49768 NETNAM-AS-APNetnamCompanyVN Viet Nam 10->29 27 Purchase Order - R...JHSP2403-22.exe.log, ASCII 10->27 dropped 47 Injects a PE file into a foreign processes 10->47 15 Purchase Order - Ref# MHFZE-02JHSP2403-22.exe 10->15         started        file5 signatures6 process7 signatures8 49 Modifies the context of a thread in another process (thread injection) 15->49 51 Maps a DLL or memory area into another process 15->51 53 Sample uses process hollowing technique 15->53 55 Queues an APC in another process (thread injection) 15->55 18 explorer.exe 15->18 injected process9 process10 20 msdt.exe 18->20         started        signatures11 39 Self deletion via cmd delete 20->39 41 Modifies the context of a thread in another process (thread injection) 20->41 43 Maps a DLL or memory area into another process 20->43 45 Tries to detect virtualization through RDTSC time measurements 20->45 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2022-03-29 12:26:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook masslogger
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gaou 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:
ffc1923acd60afc54f768c2f509edea31a11f82f2a1873f4bc12f69c73f9de71
MD5 hash:
05d1cd0fabd725e7cd67ba763552af1f
SHA1 hash:
1e94c4dfce45db6aff302306748939d8c930ad35
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.

Comments