MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3ce300fd48a84260bdc0c018de94e23a976f537a8cf1a47c89219ddcf606337. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash: b3ce300fd48a84260bdc0c018de94e23a976f537a8cf1a47c89219ddcf606337
SHA3-384 hash: 5c08a192cb542eccefe049f005d560923187d4a9d9ed83264dcaebc9e187613eb2cac591b8d461ebefa9218ecaa73e6c
SHA1 hash: 9221dedcf573b7d267928177662e4590aebb78ee
MD5 hash: dfdd0a46680a0be47668507d66148efc
humanhash: sad-stairway-coffee-ink
File name:DOOWON CORPORATION NEW CONTRACT_U2103I,pdf.exe
Download: download sample
Signature Formbook
File size:324'096 bytes
First seen:2022-04-11 13:02:17 UTC
Last seen:2022-04-11 13:35:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:UZkfW360zAbbq5ydypFvf8q3z7M1064rjijvF2WmLV:rfW+bhy7vf8q3M10RHcv8t
Threatray 10'738 similar samples on MalwareBazaar
TLSH T13564CF64F7EA5FA2E27ECB79E0F301142738AD19D2DBF35A104138B568B23D1D922653
File icon (PE):PE icon
dhash icon 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer)
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
307
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DOOWON CORPORATION NEW CONTRACT_U2103I,pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-04-12 02:11:06 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
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Connecting to a non-recommended domain
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.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
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
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
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-11 05:13:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:apg5 loader rat
Behaviour
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
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Xloader Payload
Xloader
Unpacked files
SH256 hash:
789c985bd43048cf3e3030c7c4f168ce36ee6ccef7a6355b3c0c0d66a32d7238
MD5 hash:
44bd814e884a1cdd73ba0d4b05c0e45f
SHA1 hash:
165e0b54ace0f5a81f56abd875753b1f17ecc956
SH256 hash:
b3ce300fd48a84260bdc0c018de94e23a976f537a8cf1a47c89219ddcf606337
MD5 hash:
dfdd0a46680a0be47668507d66148efc
SHA1 hash:
9221dedcf573b7d267928177662e4590aebb78ee
Malware family:
XLoader
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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: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.

Comments