MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d8c24b6783339bcafb2d8aa83c28bc44a5fd937183edba2c2fc96321a36c706. 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: 14


Intelligence 14 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1d8c24b6783339bcafb2d8aa83c28bc44a5fd937183edba2c2fc96321a36c706
SHA3-384 hash: c9aa6e7dd050fb872f28161fabe7733faab4f7f70ca242f4cced865f11fee05efae4f640168f4cd062d913dba318ccde
SHA1 hash: a9c8b002c0e169bfa55ee2096737f10f4ed359ba
MD5 hash: 38f59bd11ea5259810d600f8fa84315c
humanhash: sodium-idaho-one-lemon
File name:1d8c24b6783339bcafb2d8aa83c28bc44a5fd937183edba2c2fc96321a36c706
Download: download sample
Signature Formbook
Create hunting rule
File size:736'768 bytes
First seen:2025-01-10 14:09:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 12288:OquErHF6xC9D6DmR1J98w4oknqOOCyQfWCXV76G3RmN2YjSu7pTQuj3h:Drl6kD68JmlotQftRZxMBQuV
Threatray 4 similar samples on MalwareBazaar
TLSH T134F423815788DD22D2A593B5847A9C6412B5B873CF8D369DCB68F55FF830303E846B4D
TrID 31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6)
30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
12.1% (.EXE) Win64 Executable (generic) (10522/11/4)
7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
208
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1d8c24b6783339bcafb2d8aa83c28bc44a5fd937183edba2c2fc96321a36c706
Verdict:
Suspicious activity
Analysis date:
2025-01-10 16:13:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8e079586-894d-4787-9f32-38433a6f5e4c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67812a772c8240e189bb8501
Tags:
autorun virus spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug autoit compiled-script explorer hacktool lolbin microsoft_visual_cc msconfig packed packed packed packer_detected upx
Link:
https://www.filescan.io/uploads/67812a5f10df0fde5dd413f6/reports/9f080fd5-37a0-4f17-8df6-a4ad5d23032b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1d8c24b6783339bcafb2d8aa83c28bc44a5fd937183edba2c2fc96321a36c706
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/3632b8ef-0bcd-40fa-860e-554ca1c57faa
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1589007
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1589007 Sample: fm5SY4ShSg.exe Startdate: 11/01/2025 Architecture: WINDOWS Score: 100 27 Multi AV Scanner detection for submitted file 2->27 29 Yara detected FormBook 2->29 31 Sigma detected: Drops script at startup location 2->31 33 4 other signatures 2->33 7 fm5SY4ShSg.exe 4 2->7         started        11 wscript.exe 1 2->11         started        process3 file4 23 C:\Users\user\AppData\...\schoollike.exe, PE32 7->23 dropped 35 Binary is likely a compiled AutoIt script file 7->35 37 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->37 13 schoollike.exe 2 7->13         started        39 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->39 17 schoollike.exe 1 11->17         started        signatures5 process6 file7 25 C:\Users\user\AppData\...\schoollike.vbs, data 13->25 dropped 41 Multi AV Scanner detection for dropped file 13->41 43 Binary is likely a compiled AutoIt script file 13->43 45 Machine Learning detection for dropped file 13->45 53 2 other signatures 13->53 19 svchost.exe 13->19         started        47 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->47 49 Writes to foreign memory regions 17->49 51 Maps a DLL or memory area into another process 17->51 21 svchost.exe 17->21         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1d8c24b6783339bcafb2d8aa83c28bc44a5fd937183edba2c2fc96321a36c706
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1d8c24b6783339bcafb2d8aa83c28bc44a5fd937183edba2c2fc96321a36c706/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-12-04 08:12:57 UTC
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dwgcjntygm43zl5s3cvihqulyrff7wjxda7nxiwc7sldegrwy4da._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
Similar samples:
2faacf34e9482cbf4d1b032af7193b4c1ecd419da8377d47e1a307f17b77bc27
Formbook
48abc789fffea9d92781ed4434aa67d136cdef20a346724ccc40ec531829aa88
Formbook
b326ee834d3e9c27a5712b91bf28ac789ea8f715dfd17cca0cd6d0cc5ef18c9f
Formbook
df607dfa701d132a8679f0855bfdca430246d46285e36f46a965bb8a67f4d7b6
Formbook
error
Formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery upx
Link:
https://tria.ge/reports/250110-rgshwaylhn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Drops startup file
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/ddebfc8f-f842-4b84-a70d-027ce587f4de
Unpacked files
SH256 hash:
6900760734c093ccca1328887229c046e66c5e717cc552a9d236c5d7daeb2125
MD5 hash:
27a9079bbce74a6d065689b0bb2eb704
SHA1 hash:
3b9efaa7df09bd190b4bcb774b079bd0910f0cb5
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/5eeda4a2-280f-4300-87d1-8140963271c9/
SH256 hash:
37db9997deffd6468a57c32454f5a612dce0e9c8d147553075c89310483347f1
MD5 hash:
ef0c4338e43bef8c4f6ed37e75250e0c
SHA1 hash:
8bf6a487a6cb59b6c188c29066d7bc07665cfa10
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/5eeda4a2-280f-4300-87d1-8140963271c9/
Parent samples :
2faacf34e9482cbf4d1b032af7193b4c1ecd419da8377d47e1a307f17b77bc27
6406bb15e7c8a338a2efbecb3aba817af8f4313d8648ac623e546f8a173c8c36
330de92b6b1ad574f55e91be0b48a2b1fa8f90ad27cec182290927999d9d828d
9bd03d5adeab12d68f22e7f8967b8b49c8b17c933eead9bda7929ca71a3ec051
1d8c24b6783339bcafb2d8aa83c28bc44a5fd937183edba2c2fc96321a36c706
e7d4bb6e3495ed8848493494737b28730618badec96ddb0414ac264582b36c60
fa292afb19d8b8cdb038524d861cf5c159145813ca37d1eed6e71474491d73fe
SH256 hash:
a222c407388e6591a0afd5ff7f9ed8983eaaefbed447cbe5d7828efd70dcda0c
MD5 hash:
be17f3da3a2e7f02283cc9735ac6382c
SHA1 hash:
a319b9cff83a3ecff7d34d56c9eaa0383fa2f2d2
Link:
https://www.unpac.me/results/5eeda4a2-280f-4300-87d1-8140963271c9/
SH256 hash:
1d8c24b6783339bcafb2d8aa83c28bc44a5fd937183edba2c2fc96321a36c706
MD5 hash:
38f59bd11ea5259810d600f8fa84315c
SHA1 hash:
a9c8b002c0e169bfa55ee2096737f10f4ed359ba
Link:
https://www.unpac.me/results/5eeda4a2-280f-4300-87d1-8140963271c9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1d8c24b67833/report/overview.html
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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

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