MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2664ab63ac8ed6dec7df1f8e0ea2d707c40bfb25335a43a721a8922a55375158. 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 5 File information Comments

SHA256 hash: 2664ab63ac8ed6dec7df1f8e0ea2d707c40bfb25335a43a721a8922a55375158
SHA3-384 hash: 01247dad3bea6d5699d9317161cb98258e1df32e37407cfe3169de0f307df074cab88041f343817c54a0d1ceb21e0100
SHA1 hash: b126bd8a5334dc101f5ee9642902a53e82e3fada
MD5 hash: d498fdcbcb09b1c63e225f4b322d43cc
humanhash: nuts-william-nineteen-harry
File name:JLT.exe
Download: download sample
Signature Formbook
File size:779'776 bytes
First seen:2025-04-30 18:25:24 UTC
Last seen:2025-05-01 01:12:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:23ahPfFx4EbNtbaTNraKgyK2FHbyq22cr5JFYzDyNV2NkaMOcjTim9QR+Tdz94Qn:VhPPA1gyK2Fv22uGDyy6++RzBsdC
Threatray 36 similar samples on MalwareBazaar
TLSH T161F4121DFE54B7B2CA4E4BFE8003616885E29793D727F2DA9DD509C96E29B09804F703
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 b170e88e8e8c6860 (6 x Formbook, 5 x MassLogger, 5 x SnakeKeylogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
562
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
JLT.exe
Verdict:
No threats detected
Analysis date:
2025-04-30 18:51:10 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
Labled as:
HackTool[Obfuscator]/MSIL.DeepSea
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1678383 Sample: JLT.exe Startdate: 30/04/2025 Architecture: WINDOWS Score: 100 31 www.swordsandbox.xyz 2->31 33 www.expertscloud.xyz 2->33 35 3 other IPs or domains 2->35 43 Suricata IDS alerts for network traffic 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 51 5 other signatures 2->51 10 JLT.exe 3 2->10         started        signatures3 49 Performs DNS queries to domains with low reputation 33->49 process4 file5 29 C:\Users\user\AppData\Local\...\JLT.exe.log, ASCII 10->29 dropped 63 Injects a PE file into a foreign processes 10->63 14 JLT.exe 10->14         started        signatures6 process7 signatures8 65 Maps a DLL or memory area into another process 14->65 17 zjQpZlap8H7KRzMEF.exe 14->17 injected process9 signatures10 41 Found direct / indirect Syscall (likely to bypass EDR) 17->41 20 write.exe 13 17->20         started        process11 signatures12 53 Tries to steal Mail credentials (via file / registry access) 20->53 55 Tries to harvest and steal browser information (history, passwords, etc) 20->55 57 Modifies the context of a thread in another process (thread injection) 20->57 59 3 other signatures 20->59 23 zjQpZlap8H7KRzMEF.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 37 m2ijmq.vip 3.33.130.190, 49725, 49726, 49727 AMAZONEXPANSIONGB United States 23->37 39 www.expertscloud.xyz 13.248.169.48, 49723, 49729, 49730 AMAZON-02US United States 23->39 61 Found direct / indirect Syscall (likely to bypass EDR) 23->61 signatures15
Threat name:
Win32.Infostealer.Generic
Status:
Suspicious
First seen:
2025-04-30 17:12:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
2664ab63ac8ed6dec7df1f8e0ea2d707c40bfb25335a43a721a8922a55375158
MD5 hash:
d498fdcbcb09b1c63e225f4b322d43cc
SHA1 hash:
b126bd8a5334dc101f5ee9642902a53e82e3fada
SH256 hash:
10f257d1f8acb840fed595a7a9eb87fc15eb17a3bbea928e32a4db42e41c8922
MD5 hash:
1ed5c56400fafdf113ace56c29b1f538
SHA1 hash:
30e1d9ae59abb291d2057c6d160726c98ce8cb28
SH256 hash:
0b4e8143e34ed11beb185369fd0347f45ab831d7f209d0f2ebc0a1e36579f607
MD5 hash:
02127165b9a4fce0d782144b9627f682
SHA1 hash:
d91c24642fc4b0ac8bb5424fbb525fea0bd093c9
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
ef95a02ea91377eb567b7c9a651608e9c2dee8ff798657968a06324ff953c324
MD5 hash:
4db5fd6c530c9f631d1cede7b77314ca
SHA1 hash:
ec0a08c09cbe1fc45f16eb9ebd7fb4a6240b351d
SH256 hash:
361f470ec329d85b24148e2847789e5eca8922b95b9ecc0cfa2da0f73d8cc29c
MD5 hash:
4adc0892c8b916bd1c8d01651d572cfe
SHA1 hash:
1b74080fd5482a9be331b1722ce2ebe56ea0d33c
Detections:
win_formbook_g0
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: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.

Malspam

Formbook

Executable exe 2664ab63ac8ed6dec7df1f8e0ea2d707c40bfb25335a43a721a8922a55375158

(this sample)

  
Delivery method
Distributed via e-mail attachment

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