MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 336cf34d2aa06efac3dbf65e742c9947ce39f6f5388047c47a6b71542e36929d. 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 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 336cf34d2aa06efac3dbf65e742c9947ce39f6f5388047c47a6b71542e36929d
SHA3-384 hash: 4e9424c74fbbb565ab73b58fd8523134a9dd1cca47cb9763e134adcb90e249b6a5bfbd500914dc268b11d4420bc8ba08
SHA1 hash: 76579fbd9185d8e040a9f8ee1ee580061b837aa2
MD5 hash: 6a2bd13cc6899bc03c9343763f0a97b2
humanhash: zulu-early-south-cat
File name:Le Champ Pte Ltd#KTR2011941109.xlsx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:4'923'904 bytes
First seen:2024-01-17 07:38:18 UTC
Last seen:2024-01-17 09:18:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c1bd85c47a3d2c5743df7292e01168a7 (2 x AgentTesla, 1 x Amadey, 1 x Formbook)
ssdeep 49152:H/l7AwNXqzQU6g3ZrZE4LYwuFcndXjeAifQc/iucNWurN:Q24LwAifth4
TLSH T170366D06979406D5D06ACA30CD6BD732E2B1FC290A36C74F5511E38A6D73AA1DFAB331
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 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
355
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/471266/
Detection(s):
SecuriteInfo.com.Win64.PWSX-gen.4265.22856.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug control lolbin masquerade
Link:
https://www.filescan.io/uploads/65a78419e1815911f169fb4f/reports/28045e96-e62f-462c-83b5-ee2ac84e9fb0/overview
Verdict:
Suspicious
Labled as:
Malware/Generic
Link:
https://www.hybrid-analysis.com/sample/336cf34d2aa06efac3dbf65e742c9947ce39f6f5388047c47a6b71542e36929d
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/41c19b30-9808-4cd5-a01a-c50273a7240a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1375897
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/336cf34d2aa06efac3dbf65e742c9947ce39f6f5388047c47a6b71542e36929d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/336cf34d2aa06efac3dbf65e742c9947ce39f6f5388047c47a6b71542e36929d/
Threat name:
Win64.Adware.RedCap
Create hunting rule
Status:
Malicious
First seen:
2024-01-17 04:03:52 UTC
File Type:
PE+ (Exe)
Extracted files:
11
AV detection:
16 of 24 (66.67%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gnwpgtjkubxpvq636zphilezi7hdt5xvhcaeprd2nnyvilrwskoq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240117-jgy2nabhg6/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
336cf34d2aa06efac3dbf65e742c9947ce39f6f5388047c47a6b71542e36929d
MD5 hash:
6a2bd13cc6899bc03c9343763f0a97b2
SHA1 hash:
76579fbd9185d8e040a9f8ee1ee580061b837aa2
Link:
https://www.unpac.me/results/07e4faf6-1c61-4633-bfe7-9644d95472e2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/336cf34d2aa0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/336cf34d2aa06efac3dbf65e742c9947ce39f6f5388047c47a6b71542e36929d

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:ThreadControl__Context
Create hunting rule
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.

Malspam

Formbook

Executable exe 336cf34d2aa06efac3dbf65e742c9947ce39f6f5388047c47a6b71542e36929d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/471266/

Comments