MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e43e75303476b0eff6585680ad006cc7a7506a4564aa49504512ee3b6621884. 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 2 File information Comments
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SHA256 hash: 2e43e75303476b0eff6585680ad006cc7a7506a4564aa49504512ee3b6621884
SHA3-384 hash: 15f166b667951ea210bcd77212ec57484ac772d37d5d0b048d570f523fdf3bc8e75d4bc507b2de95a39a0e40871064e1
SHA1 hash: 920d5344b51f4f97cd92230e85c339c2237aaf1f
MD5 hash: 745174884165278ca284212180544a17
humanhash: wisconsin-island-magnesium-spaghetti
File name:obizx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:619'520 bytes
First seen:2023-08-02 06:18:47 UTC
Last seen:2023-08-02 15:33:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:mg7JYihlZ/dMkbGo4suHNmS3cgexJAY7ytxcFmRCkn8RWpaxOXskry:mg7CClxek9huHNi1JAY72xr4kqW8xOXB
TLSH T155D402A823E4A57FF0BB37B1BD30044105B2BBBA79A0C6EE59C520DED577B410A61277
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter JAMESWT
Tags:2-59-254-18 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
252
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
obizx.doc
Verdict:
Malicious activity
Analysis date:
2023-08-02 06:19:26 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader
Link:
https://app.any.run/tasks/f97d92ea-e700-428f-8bc1-6d8d2a952bec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/439719/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.666.30091.16591.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64c9f5598b880a9fc642fc2f/reports/5cf012be-dffd-4cd3-9cf6-47334419d01c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2e43e75303476b0eff6585680ad006cc7a7506a4564aa49504512ee3b6621884
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b9e0fb75-a203-49eb-b8f2-3b998ad11169
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1284138
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1284138 Sample: obizx.exe Startdate: 02/08/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 10 obizx.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\obizx.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 obizx.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 1 14->17 injected process8 dnsIp9 30 www.danleugers.com 160.202.71.214, 49713, 80 QUICKPACKETUS United States 17->30 32 ssssne.com 167.172.228.26, 49712, 80 DIGITALOCEAN-ASNUS United States 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 svchost.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2e43e75303476b0eff6585680ad006cc7a7506a4564aa49504512ee3b6621884/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-08-01 17:30:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fzb6ouydi5vq573fqvuavuagzr5hkbvekzfkjfiekexohntcdcca._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oy30 rat spyware stealer trojan
Link:
https://tria.ge/reports/230802-g26wwsdb75/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Gathering data
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2e43e7530347/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2e43e75303476b0eff6585680ad006cc7a7506a4564aa49504512ee3b6621884

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe 2e43e75303476b0eff6585680ad006cc7a7506a4564aa49504512ee3b6621884

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/439719/
  
URLhaus
https://urlhaus.abuse.ch/url/2695772/
  
Delivery method
Distributed via web download

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