MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8510156c681956fa592f4e2f346a7cd02ce7a00a31264dc2106e6e0b5a4b267b. 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
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SHA256 hash: 8510156c681956fa592f4e2f346a7cd02ce7a00a31264dc2106e6e0b5a4b267b
SHA3-384 hash: 1616321cb7c02c2f1041421ad0918921eb9ffafa773cb52c6d6e5db50954140b4812bb15cc3e8189f67f11bae84b5b47
SHA1 hash: be364e7cf302a0eadd137abe8062f8a1777b7e74
MD5 hash: 5eca3f67553d258bfa9fd27fb60014a6
humanhash: delaware-uncle-wolfram-grey
File name:Payment Whitecap11102022pdf.exe
Download: download sample
Signature Formbook
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File size:721'922 bytes
First seen:2022-11-10 18:00:42 UTC
Last seen:2022-11-10 19:46:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 12288:1AEdTw//OzGL//5PIxFe646DlNNCMYH4PJZhr3MKnkUqwSlJZRQbLv5BnPg5qC3K:1AkTwHiGL/hPIxI6XpNNeHSfhDMKnkUT
TLSH T19DE42307B9F9E803F9568535C6519337D7D0C6F2087EC98F2768B7BEA7B0A13462142A
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00404080a0a08000 (13 x SnakeKeylogger, 2 x Formbook, 1 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Payment Whitecap11102022pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-10 18:02:00 UTC
Tags:
autoit formbook
Link:
https://app.any.run/tasks/dacf4d76-7cf1-40ea-97eb-b820f346bb3e

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/332072/
Detection(s):
SecuriteInfo.com.AutoIt.Agent.WKO.tr.23952.3434.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/636d3c6020a0b4943a8ec440/reports/2bcfa470-cc22-4e1d-9a93-2c7124883de2/overview
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:
LockBit Ransomware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/757bfcde-ccfe-4393-9bf0-9d4c7d6be395
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1110661
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 743359 Sample: Payment Whitecap11102022pdf.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 6 other signatures 2->53 11 Payment Whitecap11102022pdf.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\wbweonhl.exe, PE32 11->31 dropped 14 wbweonhl.exe 11->14         started        process5 signatures6 65 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Tries to detect virtualization through RDTSC time measurements 14->69 17 wbweonhl.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 17->20 injected process9 dnsIp10 33 www.kitchenzrztw.site 104.21.72.152, 49698, 80 CLOUDFLARENETUS United States 20->33 35 www.whitechimneyscoffee.com 20->35 37 whitechimneyscoffee.com 34.102.136.180, 49699, 80 GOOGLEUS United States 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Uses netsh to modify the Windows network and firewall settings 20->57 24 netsh.exe 20->24         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8510156c681956fa592f4e2f346a7cd02ce7a00a31264dc2106e6e0b5a4b267b/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2022-11-10 17:59:32 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=quibk3didflpuwjpjyxti2t42awopiakgete3qqqnzxawwslez5q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ma27 rat spyware stealer trojan
Link:
https://tria.ge/reports/221110-wlv7saeahm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8922eacc-8c3e-4912-bf16-ff77454676a3
Unpacked files
SH256 hash:
485af140f92e8b476a3d794241ba0e6f368d7370f84a26ab2f79ffdcd3ed7ed7
MD5 hash:
35377a3d762871b389979de74a5e8896
SHA1 hash:
7ba76842e0d53fd858baa0e25a89d6ba01e3d4d0
Detections:
FormBook
Create hunting rule
win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6fbde611-a07f-4a59-98b9-9f9f2935db9d/
Parent samples :
2cb0d3b3c2a398a778d18b089cf68d8f7fd91808da695bee0f0fb556354efe09
8510156c681956fa592f4e2f346a7cd02ce7a00a31264dc2106e6e0b5a4b267b
SH256 hash:
3e7c5391692f63a24f9aed6e885caa91d8ede7ca1b18ac41097ef21376577b97
MD5 hash:
6b1943230a2835fcd6b251e4049e121f
SHA1 hash:
6a9f513ad8076d17210dfcfef7e028e84b8438ae
Link:
https://www.unpac.me/results/6fbde611-a07f-4a59-98b9-9f9f2935db9d/
SH256 hash:
8510156c681956fa592f4e2f346a7cd02ce7a00a31264dc2106e6e0b5a4b267b
MD5 hash:
5eca3f67553d258bfa9fd27fb60014a6
SHA1 hash:
be364e7cf302a0eadd137abe8062f8a1777b7e74
Link:
https://www.unpac.me/results/6fbde611-a07f-4a59-98b9-9f9f2935db9d/
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/8510156c681956fa592f4e2f346a7cd02ce7a00a31264dc2106e6e0b5a4b267b

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/332072/

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