MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd38fe3b05d01f0162c45490b5d4dc327fd2f0bd12232ed800d956c8befbad3c. 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
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SHA256 hash: dd38fe3b05d01f0162c45490b5d4dc327fd2f0bd12232ed800d956c8befbad3c
SHA3-384 hash: 8ed527faec356b04f4bc3a7bb9ed61fa2cfe55e28057008a46d8f245d02339c7afaf4e5b178ca56dcd44ea8df1e81b7a
SHA1 hash: 574fa18d82cd1033c635eec2f78efaa0d9966347
MD5 hash: b88e410ba987bacbd2b5d9505a6fa0cb
humanhash: venus-victor-coffee-moon
File name:SecuriteInfo.com.Win32.Malware-gen.25785
Download: download sample
Signature Formbook
Create hunting rule
File size:17'920 bytes
First seen:2022-09-16 04:50:33 UTC
Last seen:2022-09-16 10:13:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 96:DUQ/SZEu43plQXN+z/jtjUHNFW1LT70A9RWAqK3R9ap59TpFnU:DeZOMXsLjkWtM4Bk9To
Threatray 14'450 similar samples on MalwareBazaar
TLSH T1BB82B503BFCDC9A5D9D10A764EA6DEB9916776CF6872EE8934CC045A2F136500C007E3
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 6ad28ebceab2828e (3 x AgentTesla, 1 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.Malware-gen.25785
Verdict:
Malicious activity
Analysis date:
2022-09-16 05:57:55 UTC
Tags:
opendir
Link:
https://app.any.run/tasks/63bfd502-0065-42c7-8a4b-29a8b6da29bb

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/310417/
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.25785.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63240130b564f001cc8cb896/reports/8340181b-dd49-4270-8013-c4914d05d759/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f2587191-a50c-462e-8fa3-9035b9607521
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1071390
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)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 703932 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 16/09/2022 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for domain / URL 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 8 other signatures 2->53 7 Fhwbvlbh.exe 14 4 2->7         started        10 SecuriteInfo.com.Win32.Malware-gen.25785.exe 16 7 2->10         started        14 Fhwbvlbh.exe 3 2->14         started        process3 dnsIp4 55 Multi AV Scanner detection for dropped file 7->55 57 Machine Learning detection for dropped file 7->57 59 Encrypted powershell cmdline option found 7->59 16 Fhwbvlbh.exe 7->16         started        19 powershell.exe 12 7->19         started        43 103.207.39.154, 49718, 49734, 49737 VNPT-AS-VNVNPTCorpVN Viet Nam 10->43 37 C:\Users\user\AppData\...\Fhwbvlbh.exe, PE32 10->37 dropped 39 C:\Users\...\Fhwbvlbh.exe:Zone.Identifier, ASCII 10->39 dropped 41 SecuriteInfo.com.W...e-gen.25785.exe.log, ASCII 10->41 dropped 61 Injects a PE file into a foreign processes 10->61 21 powershell.exe 16 10->21         started        23 SecuriteInfo.com.Win32.Malware-gen.25785.exe 10->23         started        25 powershell.exe 14->25         started        27 Fhwbvlbh.exe 14->27         started        file5 signatures6 process7 signatures8 45 Modifies the context of a thread in another process (thread injection) 16->45 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        35 explorer.exe 27->35 injected process9
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dd38fe3b05d01f0162c45490b5d4dc327fd2f0bd12232ed800d956c8befbad3c/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-09-16 02:25:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3u4p4oyf2apqcyweksillvg4gj75f4f5cirs5waa3flmrpx3vu6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14ae647473cbf4def9becdbbb1f007fd8c96c63be5c88014415ab13e6467168f
Formbook
15eb688bffed96b0b324724e48b258dc6c6deb76d71310b26b01e1e12f26108c
Formbook
2548c04db4ea5f38623e33475254f4429f0278f86da3326d742746a46dfb5d85
Formbook
4b0c9687e2404152643dbac78f4adfd8350095b9d465cb64b60de1ff70d3e651
Formbook
5b0b4e04eeb8e5fe001d7e0fca940bb1f8844fd4674bdf93a1864fa34b997477
Formbook
64adfcb833e92977e087cd3a8e872672da1ae00f4823545c2899d16a224623ba
Formbook
66e023153783841c82581216957c689782313b971b270bf48f1ec3bc1885d3e4
Formbook
7ca3b28aa32d6b9bd972c430c47691db7212f9fd7b713c3ff2fab8b10a0bd66a
Formbook
b1248c9a9d2892a23cd6927ccfad438e360f5977e47c38d424522e7d67d10816
Formbook
d3fe4fbe955c26eb8ea6cb273a7102168e27bbfbf86cfbd5f9e1eaa3023e231f
Formbook
+ 14'440 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gzs2 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220916-fgs9maadfl/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b847af1e-f6b7-4c06-91cf-c6737f9fc7ea
Unpacked files
SH256 hash:
dd38fe3b05d01f0162c45490b5d4dc327fd2f0bd12232ed800d956c8befbad3c
MD5 hash:
b88e410ba987bacbd2b5d9505a6fa0cb
SHA1 hash:
574fa18d82cd1033c635eec2f78efaa0d9966347
Link:
https://www.unpac.me/results/70e41c7a-a0f9-4a46-b712-f771304d01fb/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dd38fe3b05d0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/dd38fe3b05d01f0162c45490b5d4dc327fd2f0bd12232ed800d956c8befbad3c

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.

Cape
Cape
https://www.capesandbox.com/analysis/310417/

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