MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f74b1206f4fb07ab2a4a0707eb5ebc470aedd65c766531c8d710b60e908a74f2. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments 1

SHA256 hash: f74b1206f4fb07ab2a4a0707eb5ebc470aedd65c766531c8d710b60e908a74f2
SHA3-384 hash: 8944c208a90aad9a131f7f4c0ddf65514003b0752e8d645acd6f6ed2cb87ab5c896f0c59df4e157e01500fb767071e9d
SHA1 hash: 39d9a84d9abaa0e41ca5f9c9988ea9e9814bb445
MD5 hash: 07c2a6fb973d55ed5bbb59087f05e399
humanhash: asparagus-cup-may-twenty
File name:07c2a6fb973d55ed5bbb59087f05e399
Download: download sample
Signature Formbook
File size:30'720 bytes
First seen:2022-06-13 10:15:38 UTC
Last seen:2022-06-13 11:02:49 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 768:Z7VD8bRNDCNf7ojFYwQ7XvLWRgcL0ST8iNxy2l:lVD8bfDsm7oWRgcL9HNxvl
TLSH T14DD2C01BF7A4CA35EA7607712E6357000BB47853CC27CF5FA4C5A10B7E263A108C66B5
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b28ccaacda53d39b (34 x Formbook, 1 x BitRAT, 1 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
07c2a6fb973d55ed5bbb59087f05e399
Verdict:
Malicious activity
Analysis date:
2022-06-13 10:28:20 UTC
Tags:
formbook trojan stealer

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
Launching a process
Creating a process with a hidden window
Forced system process termination
DNS request
Sending an HTTP GET request
Creating a window
Running batch commands
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 644415 Sample: v7QxoJtAFK Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 46 www.xjjinxingda.com 2->46 66 Snort IDS alert for network traffic 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus detection for URL or domain 2->70 72 7 other signatures 2->72 11 v7QxoJtAFK.exe 15 7 2->11         started        signatures3 process4 dnsIp5 48 lambweston.ga 192.185.174.179, 49756, 80 UNIFIEDLAYER-AS-1US United States 11->48 42 C:\Users\user\AppData\Roaming\...\Uyxbdqu.exe, PE32 11->42 dropped 44 C:\Users\user\AppData\...\v7QxoJtAFK.exe.log, ASCII 11->44 dropped 74 Creates an undocumented autostart registry key 11->74 76 Writes to foreign memory regions 11->76 78 Injects a PE file into a foreign processes 11->78 16 MSBuild.exe 11->16         started        19 MSBuild.exe 11->19         started        21 cmd.exe 1 11->21         started        23 powershell.exe 15 11->23         started        file6 signatures7 process8 signatures9 50 Modifies the context of a thread in another process (thread injection) 16->50 52 Maps a DLL or memory area into another process 16->52 54 Sample uses process hollowing technique 16->54 56 Queues an APC in another process (thread injection) 16->56 25 explorer.exe 16->25 injected 58 Tries to detect virtualization through RDTSC time measurements 19->58 27 conhost.exe 21->27         started        29 timeout.exe 1 21->29         started        31 conhost.exe 23->31         started        process10 process11 33 colorcpl.exe 25->33         started        signatures12 60 Modifies the context of a thread in another process (thread injection) 33->60 62 Maps a DLL or memory area into another process 33->62 64 Tries to detect virtualization through RDTSC time measurements 33->64 36 cmd.exe 1 33->36         started        38 explorer.exe 10 33->38         started        process13 process14 40 conhost.exe 36->40         started       
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2022-06-11 17:50:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 41 (60.98%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook masslogger
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
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
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f74b1206f4fb07ab2a4a0707eb5ebc470aedd65c766531c8d710b60e908a74f2
MD5 hash:
07c2a6fb973d55ed5bbb59087f05e399
SHA1 hash:
39d9a84d9abaa0e41ca5f9c9988ea9e9814bb445
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Web download

Formbook

Executable exe f74b1206f4fb07ab2a4a0707eb5ebc470aedd65c766531c8d710b60e908a74f2

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-13 10:15:46 UTC

url : hxxp://104.168.32.14/u/fox.exe