MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3554e8a6c968467f681a97f7d0af60e7be69d515ee9b093b8be749811ec99c0b. 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: 3554e8a6c968467f681a97f7d0af60e7be69d515ee9b093b8be749811ec99c0b
SHA3-384 hash: 1a6c1e9c7afa2ecfb09eaa3449d75d2e16a10e6a879122b9508193aad8a2f391da0b524c30845fc0de5d62e8da8c1f1e
SHA1 hash: 70ff7701f5278d3ad314c7badbdc00f2f7bbd1b0
MD5 hash: 6cb30a9f9d530785abcd883a5462f62d
humanhash: quiet-vegan-friend-two
File name:Gv694Ht4iPIaqIv.exe
Download: download sample
Signature Formbook
File size:816'640 bytes
First seen:2022-02-23 14:27:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:8EK777777777777p/vNkKoieRMQSlrsLro2fXEGE/+Mt:W777777777777yMQ0rmBO/+Mt
Threatray 14'267 similar samples on MalwareBazaar
TLSH T10F05BF083DA70F3DF5749BB21DC4ECA4BA59FB231C08B3BD78516696C6A1B408993277
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
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
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Sigma detected: Suspicius Schtasks From Env Var Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 577305 Sample: Gv694Ht4iPIaqIv.exe Startdate: 23/02/2022 Architecture: WINDOWS Score: 100 43 www.gamereligion.store 2->43 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 12 other signatures 2->51 11 Gv694Ht4iPIaqIv.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\jinCoX.exe, PE32 11->35 dropped 37 C:\Users\user\...\jinCoX.exe:Zone.Identifier, ASCII 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmpE76B.tmp, XML 11->39 dropped 41 C:\Users\user\...behaviorgraphv694Ht4iPIaqIv.exe.log, ASCII 11->41 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 11->53 55 Adds a directory exclusion to Windows Defender 11->55 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 Gv694Ht4iPIaqIv.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 raserver.exe 22->28         started        signatures11 61 Self deletion via cmd delete 28->61 63 Modifies the context of a thread in another process (thread injection) 28->63 65 Maps a DLL or memory area into another process 28->65 67 Tries to detect virtualization through RDTSC time measurements 28->67 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-23 14:28:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:wcur loader rat suricata
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5396386ed1d2d13107912e4a76834e628329fc1cacb4935c5750b70ea2f690f2
MD5 hash:
c9726c00423a8e080b706828a6b1b371
SHA1 hash:
97f6c4827f852d11ba8c01ccb608fb635d0272f9
SH256 hash:
d40053b06aef9c3fa6b47f48b28586968f8225f7c7a4de06eed2e3c087792577
MD5 hash:
ea1380c2c71069647fa687310da93fc1
SHA1 hash:
927fe26222b82c59e37f761b8a3bfdb3f9a03499
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
SH256 hash:
3554e8a6c968467f681a97f7d0af60e7be69d515ee9b093b8be749811ec99c0b
MD5 hash:
6cb30a9f9d530785abcd883a5462f62d
SHA1 hash:
70ff7701f5278d3ad314c7badbdc00f2f7bbd1b0
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