MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a3a75a092cb1928545be1c2d01c2276ef38bf087bc4369f7898dbc7a82d3622. 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 8 File information Comments

SHA256 hash: 1a3a75a092cb1928545be1c2d01c2276ef38bf087bc4369f7898dbc7a82d3622
SHA3-384 hash: 7da2702ed5362123e376544cc3587d182454bdb72dd2d005a8a95af33a8b56abc1152d051202dd06449c8299fa37ae48
SHA1 hash: 2f633d368e0d72b52042e5ea2573e258246ee185
MD5 hash: c725fec9e1057a0962b6247af6e823ab
humanhash: nitrogen-purple-lamp-july
File name:T7D44.exe
Download: download sample
Signature Formbook
File size:1'296'384 bytes
First seen:2025-06-24 15:20:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b768923437678ce375719e30b21693e (143 x Formbook, 25 x MassLogger, 22 x SnakeKeylogger)
ssdeep 24576:l5EmXFtKaL4/oFe5T9yyXYfP1ijXdammzW6N9K7LLG6cLP:lPVt/LZeJbInQRammVK73G6c
Threatray 4'871 similar samples on MalwareBazaar
TLSH T18B55CF0273C1D062FFAB96334B5AF61157BC7A260123A62F13981D79FA701B1563E7A3
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
441
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
T7D44.exe
Verdict:
No threats detected
Analysis date:
2025-06-24 15:35:42 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script entropy fingerprint keylogger microsoft_visual_cc packed packed packer_detected
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1722012 Sample: T7D44.exe Startdate: 24/06/2025 Architecture: WINDOWS Score: 100 31 www.wdbos968.xyz 2->31 33 www.rkfootwear.xyz 2->33 35 17 other IPs or domains 2->35 43 Suricata IDS alerts for network traffic 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected FormBook 2->47 51 2 other signatures 2->51 11 T7D44.exe 2 2->11         started        signatures3 49 Performs DNS queries to domains with low reputation 33->49 process4 signatures5 61 Binary is likely a compiled AutoIt script file 11->61 63 Found API chain indicative of sandbox detection 11->63 65 Writes to foreign memory regions 11->65 67 2 other signatures 11->67 14 svchost.exe 11->14         started        process6 signatures7 69 Maps a DLL or memory area into another process 14->69 17 HKuyouw2V64AY.exe 14->17 injected process8 process9 19 fltMC.exe 13 17->19         started        signatures10 53 Tries to steal Mail credentials (via file / registry access) 19->53 55 Tries to harvest and steal browser information (history, passwords, etc) 19->55 57 Modifies the context of a thread in another process (thread injection) 19->57 59 3 other signatures 19->59 22 uArAKO0xdo.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 www.fogtango.life 203.161.58.191, 49702, 49703, 49704 VNPT-AS-VNVNPTCorpVN Malaysia 22->37 39 rkfootwear.xyz 111.221.45.82, 49726, 49727, 49728 READYSERVER-SGREADYSERVERPTELTDSG Singapore 22->39 41 7 other IPs or domains 22->41 29 WerFault.exe 4 25->29         started        process13
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) Suspect Win 32 Exe x86
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
01fb773a66a9719f00d87b750715ac26133135c2eca49f418ada90f623b091ac
MD5 hash:
f28aa4d5cb637d36a84ae42a4bd34573
SHA1 hash:
d758d6f97a3897f35762a4403663c8d80fec8286
SH256 hash:
60a4f0c574ee1f361b98960781307c8100cd162020e2af947cc9ae676c17e95d
MD5 hash:
1c2de2ac2c57b7b5021e8278a60afae2
SHA1 hash:
1c2e842e6631294af8fab405fea727ef357930f0
SH256 hash:
1a3a75a092cb1928545be1c2d01c2276ef38bf087bc4369f7898dbc7a82d3622
MD5 hash:
c725fec9e1057a0962b6247af6e823ab
SHA1 hash:
2f633d368e0d72b52042e5ea2573e258246ee185
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_detect_tls_callbacks
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: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.

Comments