MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61101fa36c92edeb7ab83149fc2ea15217308e76868cb1248f7f6e93aad63ef4. 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 8 File information Comments

SHA256 hash: 61101fa36c92edeb7ab83149fc2ea15217308e76868cb1248f7f6e93aad63ef4
SHA3-384 hash: 3cb823a6a00297cb7c3ad1c9c8c311c978e792fe7c176117eb12ed40cf26373bc68fe87c708fcb2e44e1ef59f4543f2d
SHA1 hash: 30f4a0fdf7f08ec6319833ab624f8cf9f98783b4
MD5 hash: 29973818af70470e18b96481eda053b0
humanhash: double-nine-equal-robin
File name:SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.12199.11289
Download: download sample
Signature Formbook
File size:882'688 bytes
First seen:2025-04-10 15:34:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:urhEuWeE4VG/e5E/p/wXI199VTnRuqajC6DM7sDa4Lx7wg38mh9mspwn/v0nbzzK:urquWkN5a91E/COMwPx7P8530n/
Threatray 1 similar samples on MalwareBazaar
TLSH T10F15AE9C3110B59FC517CE72C9A4DC74AA206CAA570BD203A1971DEFBA0DA97DF142E3
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
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
497
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.12199.11289
Verdict:
No threats detected
Analysis date:
2025-04-10 16:27:59 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
shell virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1662070 Sample: SecuriteInfo.com.W32.MSIL_K... Startdate: 10/04/2025 Architecture: WINDOWS Score: 96 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected FormBook 2->30 32 4 other signatures 2->32 7 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.12199.11289.exe 4 2->7         started        process3 file4 24 SecuriteInfo.com.W...12199.11289.exe.log, ASCII 7->24 dropped 34 Adds a directory exclusion to Windows Defender 7->34 36 Injects a PE file into a foreign processes 7->36 11 powershell.exe 23 7->11         started        14 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.12199.11289.exe 7->14         started        16 SecuriteInfo.com.W32.MSIL_Kryptik.KTU.gen.Eldorado.12199.11289.exe 7->16         started        signatures5 process6 signatures7 38 Loading BitLocker PowerShell Module 11->38 18 conhost.exe 11->18         started        20 WmiPrvSE.exe 11->20         started        22 WerFault.exe 21 16 14->22         started        process8
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-04-10 15:34:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
captiveaaloader unc_loader_037
Similar samples:
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
61101fa36c92edeb7ab83149fc2ea15217308e76868cb1248f7f6e93aad63ef4
MD5 hash:
29973818af70470e18b96481eda053b0
SHA1 hash:
30f4a0fdf7f08ec6319833ab624f8cf9f98783b4
SH256 hash:
2ad643c0496ec2285714e69b1bd66a0de2b72d471f9a16d59036f84efbbe1b6d
MD5 hash:
12de4a00a618d410f68deb4c6842de69
SHA1 hash:
1e7b3b2885c776bbc350259788363bf4a9beb994
SH256 hash:
af0b9d4fd67b0d8b0c401c736e10c56c81ceb125fd2782e4130aee6cbc259c75
MD5 hash:
290ad762c6f8944a8c91041979818d87
SHA1 hash:
8923f41620547be8beca89655a8f5d19e7366f56
SH256 hash:
c30aca6a9b7cc1ba1627976eac828547316f0170c2b3ecb0695aa910137ae392
MD5 hash:
3118575c7dac59ea1440d11068f783cf
SHA1 hash:
f21917538b53f08990bcbe81f01966a9a86808d2
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
5f5b41555bb5a1b2dc1790b4377facd85e58b3ec57dbb2c6647fdbc4da05a15f
MD5 hash:
ba5f86469357be3d7b4046222b4b25c5
SHA1 hash:
fb86a5adf7b55f1b1c909976e606096ad3fae514
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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.

Web download

Formbook

Executable exe 61101fa36c92edeb7ab83149fc2ea15217308e76868cb1248f7f6e93aad63ef4

(this sample)

  
Delivery method
Distributed via web download

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

Comments