MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1a8e7ef8a30663d9bae4b02310ab1b0e243e0624aed6765946e9d8f73b879a1. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: e1a8e7ef8a30663d9bae4b02310ab1b0e243e0624aed6765946e9d8f73b879a1
SHA3-384 hash: 62cb118a207f4b17d9d742dcaf85bd58930a0b6bdfb4063af799b015639f75872280b036173ad4e11fd35cb31b9246da
SHA1 hash: ad42f07bcaa147457c5a5fb5e7ea80a91bb7e198
MD5 hash: cefc6efc03e807e1b67adb10b89dd88e
humanhash: nuts-fish-massachusetts-xray
File name:Спешна поръчка за покупка.pdf.exe
Download: download sample
Signature Formbook
File size:884'224 bytes
First seen:2022-04-04 10:11:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:2h1GuyRAqj3XAKiM3dLl72yhKxZKx1omgWR6hx:2Iuqjj53dL1pKxso
Threatray 14'183 similar samples on MalwareBazaar
TLSH T1F715220460F8A66FDABFB3F914FE4061573E36507ABEC51A39F260896DB53C290503A7
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Result
Verdict:
MALICIOUS
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
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 602383 Sample: 0430.pdf.exe Startdate: 04/04/2022 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 13 other signatures 2->52 10 0430.pdf.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\CvIAquWFF.exe, PE32 10->36 dropped 38 C:\Users\...\CvIAquWFF.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmp62D1.tmp, XML 10->40 dropped 42 C:\Users\user\AppData\...\0430.pdf.exe.log, ASCII 10->42 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 10->56 58 Writes to foreign memory regions 10->58 60 Allocates memory in foreign processes 10->60 62 2 other signatures 10->62 14 RegSvcs.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 2 other signatures 14->76 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 44 www.212mask.com 78.135.107.23, 49788, 80 PREMIERDC-VERI-MERKEZI-ANONIM-SIRKETIPREMIERDC-SHTR Turkey 21->44 54 System process connects to network (likely due to code injection or exploit) 21->54 29 help.exe 21->29         started        signatures10 process11 signatures12 64 Modifies the context of a thread in another process (thread injection) 29->64 66 Maps a DLL or memory area into another process 29->66 68 Tries to detect virtualization through RDTSC time measurements 29->68 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-04-04 10:12:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:d2g7 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
55387d8366303a794ee0f3d71a04617f0f1ee9c67a55c913f9b6b870efa123b8
MD5 hash:
c7a79737aa6d4fadfac3b251d48773c4
SHA1 hash:
1afbe9593ed76bd2edb0e0dba4512eb3c8d43fb3
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
ae0235f54963bdf76fa1801e90a2be2df159e1f5da4ef98111fe0d647104c2cd
MD5 hash:
fa37acd33a7ced8ccbc5a6c4a03e41c3
SHA1 hash:
861a6724d8f38d8eb237b2c45bf57c6877dcece0
SH256 hash:
0a660f3626bfe37f2918e243365956bd07bbd6d497e622ead4502739a7e3c007
MD5 hash:
39578f42b43e07e2e02d2d284b84f660
SHA1 hash:
57cd249dbc1d2c13d8cd25f95d8c6e3cc815e98a
SH256 hash:
71764eb60a83a17343af4a26bf3ec546c5ee08454722233fd5cf59693327b1a4
MD5 hash:
bfcf754fb9acba752f79f44817b7be23
SHA1 hash:
01af19456b6f97790973d0d67a97ecc362ab7aed
SH256 hash:
e1a8e7ef8a30663d9bae4b02310ab1b0e243e0624aed6765946e9d8f73b879a1
MD5 hash:
cefc6efc03e807e1b67adb10b89dd88e
SHA1 hash:
ad42f07bcaa147457c5a5fb5e7ea80a91bb7e198
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