MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bfbdb647f4ddac6b2bd3bf51f2dd64b5cd7c46a3ae6c0fabfaa348852337b14. 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 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bfbdb647f4ddac6b2bd3bf51f2dd64b5cd7c46a3ae6c0fabfaa348852337b14
SHA3-384 hash: 9cc321b939a038e11f45c6598b6ca700a6ad3f0edd3b1196d1ce13f052422002286296d779fc228764284e20f978b083
SHA1 hash: 820c69f9de7a1a40367b649ee8bdc681b1d2eaf7
MD5 hash: 5abae22dd2385a878dc8aead6f73ce56
humanhash: kilo-jupiter-seventeen-oregon
File name:IN009877876561234.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:853'504 bytes
First seen:2025-07-28 07:47:33 UTC
Last seen:2025-08-03 20:31:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:s9nW09Un3PqfyrPkv0qzFu/lMuhsbDWw9Jk277TnIVGYufaYPUmc1T29oyc:oyn/5k5zIFo19Jk28VGUSUmc5xN
Threatray 46 similar samples on MalwareBazaar
TLSH T1A005BE3071AD8863C6A952F04550E57533AB6ECF282ED1DA4DC6BDCB7DE8BC04B94A43
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 00e425252425e400 (12 x SnakeKeylogger, 9 x Formbook, 2 x DCRat)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
48
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IN009877876561234.exe
Verdict:
No threats detected
Analysis date:
2025-07-28 07:56:42 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/2c9d8065-d772-4197-8494-440019a22af1

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/17286/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68872b5d0b4775fb2132962e
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Sending a custom TCP request
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1bfbdb647f4ddac6b2bd3bf51f2dd64b5cd7c46a3ae6c0fabfaa348852337b14
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9ff622af-ffa5-4993-893b-962d78e7d2af
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1bfbdb647f4ddac6b2bd3bf51f2dd64b5cd7c46a3ae6c0fabfaa348852337b14
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.16 Win 32 Exe x86
Link:
https://app.malva.re/file/5abae22dd2385a878dc8aead6f73ce56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1bfbdb647f4ddac6b2bd3bf51f2dd64b5cd7c46a3ae6c0fabfaa348852337b14/
Verdict:
Malicious
Threat:
VHO:Trojan-Spy.MSIL.Noon
Link:
https://tip.neiki.dev/file/1bfbdb647f4ddac6b2bd3bf51f2dd64b5cd7c46a3ae6c0fabfaa348852337b14
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-07-28 07:48:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dp55wzd7jxnmnmv5hp2r6lowjnonprdkhltmb6v7vi2iqurtpmka._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
04622020a45463744984946bfd38f4bdc01af96087ac784a790db1f1009157ab
Formbook
3ed4bc75f282f2343cc408d81b790d84fc1d39e11709cd3cb3496217ded30dad
Formbook
8340eb528d4150ab1b95b165a204017213f09775ac4e567a0d029266edd4038c
Formbook
8fdbe3eb5aa9b8f3c7e4fe9cbceb821027e881df32e1192c5b62695e27b78067
Formbook
a30ac8c321e2bb265f9e2d3f2cfb43549a8fa6171e68d7f4fceefd6db4faacac
Formbook
e16a801f068e55f9b014ac4b4cde9415fec763830ef433cb4eb3e0ee9734bf04
Formbook
error
Formbook
f3d8968d820bc41f9acb0bb83e049afedf2fd11c35d559141c6cf31bcafd08c0
Formbook
f9acce956ed850bd5186d36b5fe4be4741269f7a69a9bb6e6b227a4d515104cf
Formbook
+ 36 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250728-jnbjyaxkz7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fd15f2bf-fdd8-4fda-9f9d-6d42c68e644f
Unpacked files
SH256 hash:
1bfbdb647f4ddac6b2bd3bf51f2dd64b5cd7c46a3ae6c0fabfaa348852337b14
MD5 hash:
5abae22dd2385a878dc8aead6f73ce56
SHA1 hash:
820c69f9de7a1a40367b649ee8bdc681b1d2eaf7
Link:
https://www.unpac.me/results/00222dcf-0ad6-41c4-8481-2b9e7cdcc09f/
SH256 hash:
49116c4c5bb3669ea6a960c730a32b21d0686907a713891ff80e34af60bd6d41
MD5 hash:
5f9bc897ef09ab9ecbfa3534ab57721c
SHA1 hash:
18e99783746cb62c551a2e232b59eb7cd2e2dc4d
Link:
https://www.unpac.me/results/00222dcf-0ad6-41c4-8481-2b9e7cdcc09f/
SH256 hash:
779f8ca7774642e59cd4752a5b56eacdb956a02dbd3abbb57c95cf328a1408cf
MD5 hash:
b850d0fc1f026b99db059455c0697398
SHA1 hash:
84858442570f810264781baa548eda61bb83d607
Link:
https://www.unpac.me/results/00222dcf-0ad6-41c4-8481-2b9e7cdcc09f/
SH256 hash:
d8ffe4239ada4773e7ec8c77318a5091bee2bf7d94fc4df5e162ff6a88e45afe
MD5 hash:
a1fa75fe5924cf55deb10ef4a0a8b681
SHA1 hash:
5e836c9db68c00a9abe42b61835a1ccc040dcb44
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/00222dcf-0ad6-41c4-8481-2b9e7cdcc09f/
SH256 hash:
d9557683b1ab97db340ba9e58fd285932ddb8f7161cfb340ba710778bbfc1ec2
MD5 hash:
524c4cf3676142199d5871058b40a88a
SHA1 hash:
782d2a029a79c35842801ba24c2755bf7577f440
Link:
https://www.unpac.me/results/00222dcf-0ad6-41c4-8481-2b9e7cdcc09f/
SH256 hash:
ae1fde70461732cb60cba56eb52f8d994a141885c6e0b42cd4f8aa12ffbd575d
MD5 hash:
fafe704da4a186372f43d985051cb179
SHA1 hash:
e03fef11d0d38d856bbc278c343c5a7276c96847
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/00222dcf-0ad6-41c4-8481-2b9e7cdcc09f/
Parent samples :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 hash:
c662a2641ef1369e319ff1b378b28313b032832b9cfbef4db553190807fec831
MD5 hash:
f3cd5ea4c931e71c94e8ff5a9ed0405a
SHA1 hash:
fdc9de5272779940237e72e145f234a4e3d0f222
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/00222dcf-0ad6-41c4-8481-2b9e7cdcc09f/
Parent samples :
1bfbdb647f4ddac6b2bd3bf51f2dd64b5cd7c46a3ae6c0fabfaa348852337b14
1a9fc74a62360452410deb7b3949e3e1b85a31e2bab04799c3a915cc44762495
SH256 hash:
14b603fe19aea338b65c59c8c97c0e8bc6ad15db88cfeea35634f23ef58a2f0c
MD5 hash:
2d970ab640fa32cd4ac74ff28a58f1fc
SHA1 hash:
b78fccf2acb37fc77c154bf1e1d686cc263d0c2f
Link:
https://www.unpac.me/results/00222dcf-0ad6-41c4-8481-2b9e7cdcc09f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/1bfbdb647f4ddac6b2bd3bf51f2dd64b5cd7c46a3ae6c0fabfaa348852337b14

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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)

File information

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

Malspam

Formbook

Executable exe 1bfbdb647f4ddac6b2bd3bf51f2dd64b5cd7c46a3ae6c0fabfaa348852337b14

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/17286/

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 (GUARD_CF)high

Comments