MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 decd4856d8e7fd3697f2d31c429a87bb46ffd0a8036707ebc1c59de447f36525. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: decd4856d8e7fd3697f2d31c429a87bb46ffd0a8036707ebc1c59de447f36525
SHA3-384 hash: 2037e62a167bb15c51a5e030d6938f9b99d69f3e8555e4e0f265e000d64507d7beb2fcfcf3b2330d3b4e666a8f1b1798
SHA1 hash: c0203e5cffab1c7095cd449c1b87c45d0726b517
MD5 hash: 1fe94eafa32b76f3e613f6b9606a05a7
humanhash: wolfram-foxtrot-floor-michigan
File name:DyxFGPId4PIAah4.exe
Download: download sample
Signature Formbook
File size:630'784 bytes
First seen:2022-06-02 12:10:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:X7AabJVRsttHAbca4vBs/+T1X+OkGELaWApm1mbD8QXmBy:XUsRsttgbcUO5fPXP
TLSH T19CD4F0E0C71BED75F4257173B160A04C37240A2ED6D1C93AD6ACB59E30A174B58FBE8A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter malwarelabnet
Tags:exe FormBook formbook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DyxFGPId4PIAah4.exe
Verdict:
Malicious activity
Analysis date:
2022-06-02 12:59:50 UTC
Tags:
formbook trojan 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 custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat 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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 638187 Sample: DyxFGPId4PIAah4.exe Startdate: 02/06/2022 Architecture: WINDOWS Score: 100 30 www.vizzzals.com 2->30 32 www.shreeradhajewellery.com 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 5 other signatures 2->40 10 DyxFGPId4PIAah4.exe 3 2->10         started        signatures3 process4 file5 28 C:\Users\user\...\DyxFGPId4PIAah4.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 DyxFGPId4PIAah4.exe 10->14         started        17 DyxFGPId4PIAah4.exe 10->17         started        signatures6 process7 signatures8 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 19 cscript.exe 14->19         started        22 explorer.exe 14->22 injected process9 signatures10 42 Self deletion via cmd or bat file 19->42 44 Modifies the context of a thread in another process (thread injection) 19->44 46 Maps a DLL or memory area into another process 19->46 48 Tries to detect virtualization through RDTSC time measurements 19->48 24 cmd.exe 1 19->24         started        process11 process12 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-02 12:11:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:zu08 loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
ee405153ac9fd5ae63aa0be3a5421e98492a86661fac15b1fde0bc6070342810
MD5 hash:
d433d089ce28b410cc7282f507ef61fb
SHA1 hash:
6ee3c2eac249840f034e7b4cfbdb9044bb6c741e
SH256 hash:
80bc001d353740d4431901f552278cfcdae25439f122605822ef71d91894a8c9
MD5 hash:
ec2bdc751818f528c91cd40ab0c3c002
SHA1 hash:
80e405408bbba64574239133110f646448cc84b2
SH256 hash:
bb8bb6afb7dac20923dd8b1a49af7881fd499a7c60f09fc32d3446141530d496
MD5 hash:
4f95ed217d512124eef0640bba3d014e
SHA1 hash:
417bedf5a4a9e9523714c5df9f7902ad875d3e1f
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
SH256 hash:
decd4856d8e7fd3697f2d31c429a87bb46ffd0a8036707ebc1c59de447f36525
MD5 hash:
1fe94eafa32b76f3e613f6b9606a05a7
SHA1 hash:
c0203e5cffab1c7095cd449c1b87c45d0726b517
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