MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9746ead9b047aec37e86310c5e02d00fa7cd31f8fa286df6f9811fb59483daf1. 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: 14


Intelligence 14 IOCs YARA 18 File information Comments

SHA256 hash: 9746ead9b047aec37e86310c5e02d00fa7cd31f8fa286df6f9811fb59483daf1
SHA3-384 hash: c6cfed093ead0a3c5023a36ce8b44f362eb6990302b1c975a8016092463b0951aa6aac30796acb4a38e2f222ae472e1b
SHA1 hash: 6756e8c2794fe05495bb748fed6d9d5236e7e4ef
MD5 hash: 437dfc50258fb9f3a1b281fddba64be4
humanhash: leopard-fish-vegan-video
File name:PJS-4021339 IND.exe
Download: download sample
Signature Formbook
File size:330'796 bytes
First seen:2023-12-04 08:53:03 UTC
Last seen:2023-12-04 10:33:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:T8LxBcGimBhQqpk0zPBSG6HNqDITaX3sUOgosDtgnz0T+PXqg+cWq:92hQqpHBSG6HNqDhOgFtIo+P86
Threatray 431 similar samples on MalwareBazaar
TLSH T17E6402C93FB20AE7D9D257304835DBA4AA219C3546008A5B4B60FD7BAAF58D7840737F
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon fcf0d8c484d0c0e4 (5 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
292
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed redcap shell32
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, NSISDropper
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1352965 Sample: PJS-4021339_IND.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 38 www.doonc.xyz 2->38 40 www.wangbaomen23.xyz 2->40 42 16 other IPs or domains 2->42 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 62 4 other signatures 2->62 11 PJS-4021339_IND.exe 17 2->11         started        signatures3 60 Performs DNS queries to domains with low reputation 40->60 process4 file5 34 C:\Users\user\AppData\Local\...\plfavrcun.r, COM 11->34 dropped 36 C:\Users\user\AppData\Local\...\arfuygqxq.exe, PE32 11->36 dropped 14 arfuygqxq.exe 11->14         started        process6 signatures7 76 Antivirus detection for dropped file 14->76 78 Multi AV Scanner detection for dropped file 14->78 80 Machine Learning detection for dropped file 14->80 82 2 other signatures 14->82 17 arfuygqxq.exe 14->17         started        process8 signatures9 50 Maps a DLL or memory area into another process 17->50 52 Queues an APC in another process (thread injection) 17->52 20 BekXtTAReYJ.exe 17->20 injected process10 signatures11 64 Injects code into the Windows Explorer (explorer.exe) 20->64 23 explorer.exe 13 20->23         started        process12 signatures13 66 Tries to steal Mail credentials (via file / registry access) 23->66 68 Tries to harvest and steal browser information (history, passwords, etc) 23->68 70 Writes to foreign memory regions 23->70 72 3 other signatures 23->72 26 explorer.exe 10 1 23->26 injected 30 BekXtTAReYJ.exe 23->30 injected 32 firefox.exe 23->32         started        process14 dnsIp15 44 www.blackgrow.info 203.161.53.83, 49719, 49720, 49721 VNPT-AS-VNVNPTCorpVN Malaysia 26->44 46 mydesigneredge.com 162.144.13.104, 49735, 49736, 49737 UNIFIEDLAYER-AS-1US United States 26->46 48 9 other IPs or domains 26->48 74 System process connects to network (likely due to code injection or exploit) 26->74 signatures16
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-12-04 02:16:47 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Unpacked files
SH256 hash:
43375fe2307c7e265a507355d3a20242d778b17bcf5fa03a29b6da3a36c2c7cd
MD5 hash:
f1f698c9021d6366cc776ddd3b180eaa
SHA1 hash:
e78b02408cdc04a4e408e32f2d0566265227ff79
Detections:
win_formbook_w0 win_formbook_g0
SH256 hash:
568a7da2bff42094514b3c8cda6ddbb35ee512c1555e6108bc4a8f1b0ca82f05
MD5 hash:
9c399b7c7da398a5912deba1b7712327
SHA1 hash:
8b914fe46df7335df48e5abf6cda0a668af17faf
SH256 hash:
91e6342bd56b5e790f23551e5b4c4097a092c9732f84b433d26d7cdf70853262
MD5 hash:
0ccc2daefd2c8f09e00db4fe49572f45
SHA1 hash:
ae02ddea0660e4afa08fff4f4bc4a8cf53399c65
SH256 hash:
9746ead9b047aec37e86310c5e02d00fa7cd31f8fa286df6f9811fb59483daf1
MD5 hash:
437dfc50258fb9f3a1b281fddba64be4
SHA1 hash:
6756e8c2794fe05495bb748fed6d9d5236e7e4ef
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__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:Formbook
Author:kevoreilly
Description:Formbook Payload
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:meth_stackstrings
Author:Willi Ballenthin
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:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe 9746ead9b047aec37e86310c5e02d00fa7cd31f8fa286df6f9811fb59483daf1

(this sample)

  
Delivery method
Distributed via e-mail attachment

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