MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 151fb5746b08b95408b92e08f4bbeac8c4a1a3fc3ad6f43d237357f10476b33f. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 151fb5746b08b95408b92e08f4bbeac8c4a1a3fc3ad6f43d237357f10476b33f
SHA3-384 hash: be8bc3189b7677c0081d4a24eb2b51c4fb2700e100de6889286662c6ed9cf91c4553635f64bff83a967807c7a9978137
SHA1 hash: c0c59684148b98e226e19f9d9e43c03950b27e39
MD5 hash: 7162d7513a9537070690ea2c23888183
humanhash: finch-wyoming-carbon-arizona
File name:SCAN ZAHLUNG080922.scr
Download: download sample
Signature Formbook
File size:23'040 bytes
First seen:2022-09-08 12:35:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:Tg5tSHj3VC3A12++XCCvcXEMA+7QEh2Fobm2F:ySDFAnMA8RF
TLSH T12CA2B6215B2C03A2D1C90FB6D91B179B497F0E7F367D6A0DEED09C2875426D78E84A88
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 f8d8d0f0c0d0c0c0 (11 x AveMariaRAT, 10 x AgentTesla, 9 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
311
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SCAN ZAHLUNG080922.scr
Verdict:
Malicious activity
Analysis date:
2022-09-08 12:36:56 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
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
AsyncRAT, 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
Encrypted powershell cmdline option found
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
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
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses the Telegram API (likely for C&C communication)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 699647 Sample: SCAN ZAHLUNG080922.scr.exe Startdate: 08/09/2022 Architecture: WINDOWS Score: 100 41 www.strejm.store 2->41 43 www.ufa25.org 2->43 59 Multi AV Scanner detection for domain / URL 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 11 other signatures 2->65 11 SCAN ZAHLUNG080922.scr.exe 16 6 2->11         started        signatures3 process4 dnsIp5 49 api.telegram.org 149.154.167.220, 443, 49739 TELEGRAMRU United Kingdom 11->49 51 www.uplooder.net 144.76.120.25, 443, 49717, 49741 HETZNER-ASDE Germany 11->51 35 C:\Users\user\AppData\Roaming\file.exe, PE32 11->35 dropped 37 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 11->37 dropped 39 C:\Users\...\SCAN ZAHLUNG080922.scr.exe.log, ASCII 11->39 dropped 73 Encrypted powershell cmdline option found 11->73 75 Injects a PE file into a foreign processes 11->75 16 SCAN ZAHLUNG080922.scr.exe 11->16         started        19 powershell.exe 16 11->19         started        file6 signatures7 process8 signatures9 53 Modifies the context of a thread in another process (thread injection) 16->53 55 Maps a DLL or memory area into another process 16->55 57 Queues an APC in another process (thread injection) 16->57 21 explorer.exe 16->21 injected 23 conhost.exe 19->23         started        process10 process11 25 file.exe 14 3 21->25         started        29 file.exe 3 21->29         started        dnsIp12 45 www.uplooder.net 25->45 67 Multi AV Scanner detection for dropped file 25->67 69 Machine Learning detection for dropped file 25->69 71 Encrypted powershell cmdline option found 25->71 31 powershell.exe 25->31         started        47 www.uplooder.net 29->47 signatures13 process14 process15 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Status:
Malicious
First seen:
2022-09-08 09:15:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 40 (55.00%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
formbook
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
Unpacked files
SH256 hash:
151fb5746b08b95408b92e08f4bbeac8c4a1a3fc3ad6f43d237357f10476b33f
MD5 hash:
7162d7513a9537070690ea2c23888183
SHA1 hash:
c0c59684148b98e226e19f9d9e43c03950b27e39
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: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.

Malspam

Formbook

Executable exe 151fb5746b08b95408b92e08f4bbeac8c4a1a3fc3ad6f43d237357f10476b33f

(this sample)

  
Delivery method
Distributed via e-mail attachment

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