MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 335af721e0b46dee9598cdfb55bc2421e070fc43f42ff50b23d0e985bf9883a1. 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 18 File information Comments

SHA256 hash: 335af721e0b46dee9598cdfb55bc2421e070fc43f42ff50b23d0e985bf9883a1
SHA3-384 hash: aea9136fa7a9206337211771ccd39d2c7d0f634b250570b48cbecec38e7e6b2f8562b1ecf298306706d865eec48b7937
SHA1 hash: f635873fd9eb10f6bdd0b81ed4406e7a97b2bb79
MD5 hash: b24e5c3224ea59f606e431973cbe95e8
humanhash: item-sweet-artist-nevada
File name:OFOuidICUQ-64.exe
Download: download sample
Signature Formbook
File size:4'938'752 bytes
First seen:2024-01-19 05:40:32 UTC
Last seen:2024-01-19 07:28:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 58c1f7ef556a75e5abaa1184b6b6cce6 (1 x Formbook, 1 x AgentTesla)
ssdeep 49152:ZcPD/X3WPJa+msZ3797Zs0MQEngFXvHbu/Q3615DXeWvE/r:qPefMYaTIr
TLSH T1F9368D0AE7E405D8E06AC670C96FDB32D2B1FC550632CB1F1895D34A1D73AA25F6B326
TrID 72.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.EXE) OS/2 Executable (generic) (2029/13)
2.5% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon b46cccccd4e8f4dc (5 x AgentTesla, 2 x Formbook, 1 x XWorm)
Reporter adm1n_usa32
Tags:64 exe FormBook


Avatar
adm1n_usa32
fake pdf

anti-vm

Intelligence


File Origin
# of uploads :
2
# of downloads :
312
Origin country :
RO RO
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug control lolbin
Verdict:
Malicious
Labled as:
Win64/GenKryptik_AGeneric.PT trojan
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:
88 / 100
Signature
Allocates memory in foreign processes
Found potential dummy code loops (likely to delay analysis)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win64.Spyware.Noon
Status:
Malicious
First seen:
2024-01-18 13:11:45 UTC
File Type:
PE+ (Exe)
Extracted files:
11
AV detection:
12 of 24 (50.00%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
335af721e0b46dee9598cdfb55bc2421e070fc43f42ff50b23d0e985bf9883a1
MD5 hash:
b24e5c3224ea59f606e431973cbe95e8
SHA1 hash:
f635873fd9eb10f6bdd0b81ed4406e7a97b2bb79
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Comments