MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21140ae60aa6ba79a4d6cfc5aa5fd4cf4aa08ac5a522a4a2393f4c9552224529. 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: 21140ae60aa6ba79a4d6cfc5aa5fd4cf4aa08ac5a522a4a2393f4c9552224529
SHA3-384 hash: 27b123e681645caf6e02d5aa54e49296d70c2cd53d7d98f12df806410946df042cbf9a3181de6e77f5bc60a7b47a2386
SHA1 hash: 69f6148cc948c2befcd7e4ec2d8f55319749cf06
MD5 hash: e1f5f197b95bb464fa341c7031931843
humanhash: queen-music-ceiling-seventeen
File name:SecuriteInfo.com.Win32.Evo-gen.13846.3872
Download: download sample
Signature Formbook
File size:312'378 bytes
First seen:2023-10-04 05:31:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9dda1a1d1f8a1d13ae0297b47046b26e (64 x Formbook, 40 x GuLoader, 25 x RemcosRAT)
ssdeep 6144:BnPdudwDs+qpF2YgoN5G6Vl3Yar98YdMgxUCIXyP3AltIRNRsSHOLd3+/:BnPdw6Yg6owlIu6yMgxDGsgWNRNHT
Threatray 1'244 similar samples on MalwareBazaar
TLSH T1C2641254F320C0B3EAB255302D7D667B27F9713212DD8B6B9754598BF8238C0FA1D6A2
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
338
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control fareit lolbin masquerade nanocore overlay packed shell32 virus
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.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1319187 Sample: SecuriteInfo.com.Win32.Evo-... Startdate: 04/10/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 9 other signatures 2->41 8 SecuriteInfo.com.Win32.Evo-gen.13846.3872.exe 18 2->8         started        process3 file4 27 C:\Users\user\AppData\Local\...\ltwhnqto.exe, PE32 8->27 dropped 11 ltwhnqto.exe 8->11         started        process5 signatures6 51 Uses netstat to query active network connections and open ports 11->51 53 Maps a DLL or memory area into another process 11->53 55 Tries to detect virtualization through RDTSC time measurements 11->55 14 ltwhnqto.exe 11->14         started        17 cmd.exe 1 11->17         started        process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Queues an APC in another process (thread injection) 14->61 19 NETSTAT.EXE 14->19         started        22 explorer.exe 4 1 14->22 injected 25 conhost.exe 17->25         started        process9 dnsIp10 43 Modifies the context of a thread in another process (thread injection) 19->43 45 Maps a DLL or memory area into another process 19->45 47 Tries to detect virtualization through RDTSC time measurements 19->47 29 www.funwarsztat.com 185.253.212.22, 49802, 80 GREENER-ASPL Poland 22->29 31 www.alcmcyu.com 45.196.82.124, 49809, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 22->31 33 13 other IPs or domains 22->33 49 System process connects to network (likely due to code injection or exploit) 22->49 signatures11
Threat name:
Win32.Trojan.Garf
Status:
Malicious
First seen:
2023-10-04 05:32:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sy22 rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
57989c959230173978af57a5a2498c347bd0c69c4e223466e0f49612bf141231
MD5 hash:
4a51c0811e914eaa4ed9c28f7d36ae37
SHA1 hash:
fbe3dd747ecad3ea39e183f642165927b7939603
SH256 hash:
21140ae60aa6ba79a4d6cfc5aa5fd4cf4aa08ac5a522a4a2393f4c9552224529
MD5 hash:
e1f5f197b95bb464fa341c7031931843
SHA1 hash:
69f6148cc948c2befcd7e4ec2d8f55319749cf06
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:Check_OutputDebugStringA_iat
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__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:meth_stackstrings
Author:Willi Ballenthin
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:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
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.

Web download

Formbook

Executable exe 21140ae60aa6ba79a4d6cfc5aa5fd4cf4aa08ac5a522a4a2393f4c9552224529

(this sample)

  
Delivery method
Distributed via web download

Comments