MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b36dee6691e5fe4f8caabfe5602e16b6a287f98aa3a13df2deedad15e31aec32. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1
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SHA256 hash: b36dee6691e5fe4f8caabfe5602e16b6a287f98aa3a13df2deedad15e31aec32
SHA3-384 hash: f9a3c0c87726825bc036b9fed6100d700f47dd87c5b80e0c6a08695acdbec92f92d56fcd3062c92850f0a2ee8be6fd40
SHA1 hash: 33e90a06dd87a925bb86b1198f67c41a60ecd168
MD5 hash: 66a020cc3acbd4f1badbff616662ce02
humanhash: moon-montana-nine-paris
File name:66a020cc3acbd4f1badbff616662ce02
Download: download sample
Signature Formbook
Create hunting rule
File size:378'824 bytes
First seen:2023-07-25 18:55:24 UTC
Last seen:2023-07-25 22:28:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (300 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 6144:ryIIW3gq6qMsKF8W8YI1DpMWlUDCbjNDw9b5kZNgNsJZTpFZK:rv6qMHCW8YaVMWnb5DsyNgNsJZ
Threatray 2'524 similar samples on MalwareBazaar
TLSH T1D084AD53DEF06AB6D1EF417244E2A708C1398972D401598EEB607E6F0CE7981DEDA70B
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 e8d0d4d4d4d4d470 (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-05-22T09:29:25Z
Valid to:2026-05-21T09:29:25Z
Serial number: 5f4d407b4e90252559fbfca34384d6a0eab444c5
Thumbprint Algorithm:SHA256
Thumbprint: ad8cfa48eaf8c3dbf8342cb0df52a6888d4cef7d1c699908c5bc0af473064497
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
276
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.xls
Verdict:
Malicious activity
Analysis date:
2023-07-25 18:04:45 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/ec12ee0a-965a-41f1-b766-2ff09d521350

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/433164/
Detection(s):
SecuriteInfo.com.HEUR.23371.15403.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/b36dee6691e5fe4f8caabfe5602e16b6a287f98aa3a13df2deedad15e31aec32
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/30e1b7ad-3bf1-4636-a19c-24a9766074be
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1279478
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1279478 Sample: L2v3rWf21J.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 32 www.w4b8.com 2->32 34 www.swpashrx.click 2->34 36 26 other IPs or domains 2->36 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 7 other signatures 2->60 11 L2v3rWf21J.exe 2 29 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 68 Tries to detect Any.run 11->68 15 L2v3rWf21J.exe 6 11->15         started        signatures6 process7 dnsIp8 44 192.3.243.146, 50249, 80 AS-COLOCROSSINGUS United States 15->44 46 Modifies the context of a thread in another process (thread injection) 15->46 48 Tries to detect Any.run 15->48 50 Maps a DLL or memory area into another process 15->50 52 2 other signatures 15->52 19 explorer.exe 7 1 15->19 injected signatures9 process10 dnsIp11 38 architectjewelry.com 185.215.4.21, 50263, 80 TVHORADADAES Denmark 19->38 40 mezcalrosario.com 89.117.139.56, 50259, 80 LRTC-ASLT Lithuania 19->40 42 9 other IPs or domains 19->42 62 System process connects to network (likely due to code injection or exploit) 19->62 23 cmmon32.exe 19->23         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 23->64 66 Maps a DLL or memory area into another process 23->66 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b36dee6691e5fe4f8caabfe5602e16b6a287f98aa3a13df2deedad15e31aec32/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-07-25 16:49:21 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wnw64zur4x7e7dfkx7swalqww2rip6mkuoqt34w65wwrlyy25qza._file
Verdict:
malicious
Label(s):
formbook
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cloudeye
Create hunting rule
Similar samples:
12d7296fa8ee95861d67877223842af8b28608bc8ea32cdff1c269701da3727e
Formbook
14ac214aee66557d77577da7211f5fa6476753b38ff8b40738c660a88c8ffd35
Formbook
40e40c04f4357fec11cb9037a802efbe582a4ac64e215909f2c7770475e5a252
Formbook
992f3f674ce6a165ef8aa64d52920eafb0466d40ad2e1081b813f3e55ae1305e
Formbook
99db3b5192d77a3db297df19db4e486c3af98416b0c023720fa2f3e88d6086cf
Formbook
b0d24f4ca574f8e54fc1e23097d9f6b45ec8c37e7732e43a96daea3179b44aa8
Formbook
c900971c1b3ace4fd4cc2d3bed19ae9b71a43b4f32ee8bede727473efc0b27ad
Formbook
d6e23ac410c1cad704abcfe18e2ccfa86ef2e6cbc30d22012f7ceec9b9f378ec
Formbook
ec9d091c881ad4da6f5e77f947c2723b1aa374fbf373931871c767dfb9cabb0e
Formbook
f3a16fbf76dc776eb61b55b5a5aa8d3203e77effc2e05d85f93df96612323095
Formbook
+ 2'514 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:guloader campaign:gs22 downloader rat spyware stealer trojan
Link:
https://tria.ge/reports/230725-xlcacafg9v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Formbook payload
Formbook
Guloader,Cloudeye
Unpacked files
SH256 hash:
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
MD5 hash:
3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 hash:
fe582246792774c2c9dd15639ffa0aca90d6fd0b
Link:
https://www.unpac.me/results/3f6fb1b9-49c7-4b81-a1df-4bc4746a17f7/
SH256 hash:
b36dee6691e5fe4f8caabfe5602e16b6a287f98aa3a13df2deedad15e31aec32
MD5 hash:
66a020cc3acbd4f1badbff616662ce02
SHA1 hash:
33e90a06dd87a925bb86b1198f67c41a60ecd168
Link:
https://www.unpac.me/results/3f6fb1b9-49c7-4b81-a1df-4bc4746a17f7/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b36dee6691e5/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/b36dee6691e5fe4f8caabfe5602e16b6a287f98aa3a13df2deedad15e31aec32

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Web download

Formbook

Executable exe b36dee6691e5fe4f8caabfe5602e16b6a287f98aa3a13df2deedad15e31aec32

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2689812/
Cape
Cape
https://www.capesandbox.com/analysis/433164/

Comments


Avatar
zbet commented on 2023-07-25 18:55:25 UTC

url : hxxp://103.6.248.9/M247T/wininit.exe