MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e8885aec6d7ef3146b6078a0678629515c9c16d1449be26fe2676ca74e5fc54. 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 7 File information Comments

SHA256 hash: 2e8885aec6d7ef3146b6078a0678629515c9c16d1449be26fe2676ca74e5fc54
SHA3-384 hash: 9a57427dc74a5ca4da337e43f6c2ba051479ce406b24a2c435a30e981313a04691252490254d7e4d29538b9b2af90c1a
SHA1 hash: c21970609c48af9178e7052f341a3d45a49372ec
MD5 hash: cb639002ba727910804a291785c7d50a
humanhash: fanta-white-quebec-high
File name:SOA_2205374.exe
Download: download sample
Signature Formbook
File size:23'552 bytes
First seen:2022-03-30 03:07:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 192:7zyg+lq8b3kEzmKS4DYYzq1v+dPQE4vg+G0AtmtWI0f7nL2/4WI1I0bDEUT:atlqs3kKBSlY334Ij0Atmty2kl0U
Threatray 15'235 similar samples on MalwareBazaar
TLSH T1A4B23EC77918F3EBC873E57A38523691D7EF9363CBB363BE4580590298120580E77A96
File icon (PE):PE icon
dhash icon 6c454a4c4c4a456c (8 x Formbook, 4 x SnakeKeylogger, 3 x AgentTesla)
Reporter Scoobs_McGee
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 delete
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 599776 Sample: SOA_2205374.exe Startdate: 30/03/2022 Architecture: WINDOWS Score: 100 42 www.khonnaisoi.com 2->42 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->58 60 10 other signatures 2->60 11 SOA_2205374.exe 15 4 2->11         started        signatures3 process4 dnsIp5 44 cdn.discordapp.com 162.159.129.233, 443, 49775 CLOUDFLARENETUS United States 11->44 40 C:\Users\user\AppData\...\SOA_2205374.exe.log, ASCII 11->40 dropped 70 Tries to detect virtualization through RDTSC time measurements 11->70 72 Injects a PE file into a foreign processes 11->72 16 SOA_2205374.exe 11->16         started        19 cmd.exe 1 11->19         started        file6 signatures7 process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 16->46 48 Maps a DLL or memory area into another process 16->48 50 Sample uses process hollowing technique 16->50 52 Queues an APC in another process (thread injection) 16->52 21 explorer.exe 16->21 injected 23 conhost.exe 19->23         started        25 timeout.exe 1 19->25         started        process10 process11 27 rundll32.exe 21->27         started        signatures12 62 Self deletion via cmd delete 27->62 64 Modifies the context of a thread in another process (thread injection) 27->64 66 Maps a DLL or memory area into another process 27->66 68 Tries to detect virtualization through RDTSC time measurements 27->68 30 cmd.exe 1 27->30         started        32 explorer.exe 1 155 27->32         started        34 explorer.exe 27->34         started        36 explorer.exe 27->36         started        process13 process14 38 conhost.exe 30->38         started       
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-03-29 01:41:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 42 (42.86%)
Threat level:
  3/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:qatv loader rat suricata
Behaviour
Delays execution with timeout.exe
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
2e8885aec6d7ef3146b6078a0678629515c9c16d1449be26fe2676ca74e5fc54
MD5 hash:
cb639002ba727910804a291785c7d50a
SHA1 hash:
c21970609c48af9178e7052f341a3d45a49372ec
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_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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