MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13749bc02c08e898a4f696d66119a98101b5552f13f94b680de14aacb37323bb. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 13749bc02c08e898a4f696d66119a98101b5552f13f94b680de14aacb37323bb
SHA3-384 hash: 6540c6221c4af52c7d661549f88fba2f920ee0b3a949edb11cfb32c45c4524e566d15759a91254787d8bb529869d8999
SHA1 hash: 59b7c83e0248a86dd8bb548822886d56b3a82093
MD5 hash: 3d045f4eb081fd06f9f5ac84eca50d33
humanhash: item-fanta-april-gee
File name:SecuriteInfo.com.Win32.MalwareX-gen.24790.19325
Download: download sample
Signature Formbook
File size:1'525'248 bytes
First seen:2023-09-21 13:40:07 UTC
Last seen:2023-09-21 14:34:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:9SmOtEqYeZ1A2dAdOBsMCEdP8a4GvC/pIy1QOuk9:9SmSz1AJMvvC/pIy1Q
Threatray 82 similar samples on MalwareBazaar
TLSH T147658207BA8789B2C1491737C6DB1C1743A4C7A17623D60A798F336A19C33BA5B49F27
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
285
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.24790.19325
Verdict:
Malicious activity
Analysis date:
2023-09-21 13:43:20 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% directory
Launching a process
Creating a file
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin 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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1312308 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 21/09/2023 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 4 other signatures 2->52 9 SecuriteInfo.com.Win32.MalwareX-gen.24790.19325.exe 16 7 2->9         started        14 PO0002646.exe 14 5 2->14         started        16 PO0002646.exe 4 2->16         started        process3 dnsIp4 42 qu.ax 92.118.112.119, 443, 49702, 49706 GUDAEV-ASRU Russian Federation 9->42 38 C:\Users\user\AppData\Roaming\PO0002646.exe, PE32 9->38 dropped 40 C:\Users\user\AppData\Local\Temp\stub.exe, PE32 9->40 dropped 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->64 66 Writes to foreign memory regions 9->66 68 Allocates memory in foreign processes 9->68 18 stub.exe 9->18         started        21 aspnet_compiler.exe 9->21         started        70 Antivirus detection for dropped file 14->70 72 Multi AV Scanner detection for dropped file 14->72 74 Machine Learning detection for dropped file 14->74 23 aspnet_compiler.exe 14->23         started        76 Injects a PE file into a foreign processes 16->76 25 aspnet_compiler.exe 16->25         started        file5 signatures6 process7 signatures8 54 Antivirus detection for dropped file 18->54 56 Multi AV Scanner detection for dropped file 18->56 58 Machine Learning detection for dropped file 18->58 60 Queues an APC in another process (thread injection) 18->60 27 zJfyFAVvfBWfoDPApvKCV.exe 18->27 injected 62 Maps a DLL or memory area into another process 21->62 29 zJfyFAVvfBWfoDPApvKCV.exe 21->29 injected process9 process10 31 rundll32.exe 27->31         started        33 chkdsk.exe 29->33         started        signatures11 44 Maps a DLL or memory area into another process 33->44 36 explorer.exe 33->36 injected process12
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2023-09-21 13:41:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Unpacked files
SH256 hash:
13749bc02c08e898a4f696d66119a98101b5552f13f94b680de14aacb37323bb
MD5 hash:
3d045f4eb081fd06f9f5ac84eca50d33
SHA1 hash:
59b7c83e0248a86dd8bb548822886d56b3a82093
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments