MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba93fe96d3ed6fa7fc69797f22b99928824db916ce9e9318a405050d721c2c16. 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: 18


Intelligence 18 IOCs YARA 20 File information Comments

SHA256 hash: ba93fe96d3ed6fa7fc69797f22b99928824db916ce9e9318a405050d721c2c16
SHA3-384 hash: c6e5dd6df706a71b4a6947df9b136783ed48ee8d20ebe065f2a43de49abd1da5da595b7d46b0f87b160c3a9d5d625e97
SHA1 hash: d1c0a853d1c91745f48af0846ba57458c0b49c64
MD5 hash: f77b8f3bced3b6e665db5bdf8bcd2406
humanhash: quiet-river-robin-yellow
File name:Ordem de compra PO nº S14123.pdf.exe
Download: download sample
Signature Formbook
File size:1'247'232 bytes
First seen:2025-08-27 12:30:34 UTC
Last seen:2025-09-05 12:48:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (307 x Formbook, 52 x AgentTesla, 36 x SnakeKeylogger)
ssdeep 24576:05EmXFtKaL4/oFe5T9yyXYfP1ijXdalMOb0zzxuYp7TRTlJTskl:0PVt/LZeJbInQRalx6HBs
TLSH T13F45BF0273C1C062FFAB95734F5AF6115ABC79260123A61F13981DB9BEB01B1563E7A3
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
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
79
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ordem de compra PO n� S14123.pdf.7z
Verdict:
Suspicious activity
Analysis date:
2025-08-27 12:49:27 UTC
Tags:
arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
underscore 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 autoit compiled-script fingerprint keylogger lolbin masquerade microsoft_visual_cc obfuscated packed packed packer_detected rasautou threat
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-18T13:51:00Z UTC
Last seen:
2025-08-18T13:51:00Z UTC
Hits:
~1000
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
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: Suspicious Double Extension File Execution
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1766190 Sample: Ordem de compra PO n#U00ba ... Startdate: 27/08/2025 Architecture: WINDOWS Score: 100 26 www.thrivepro.xyz 2->26 28 www.copygamefi.xyz 2->28 30 16 other IPs or domains 2->30 46 Suricata IDS alerts for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected FormBook 2->50 54 6 other signatures 2->54 10 Ordem de compra PO n#U00ba S14123.pdf.exe 4 2->10         started        signatures3 52 Performs DNS queries to domains with low reputation 28->52 process4 signatures5 56 Binary is likely a compiled AutoIt script file 10->56 58 Writes to foreign memory regions 10->58 60 Maps a DLL or memory area into another process 10->60 13 svchost.exe 10->13         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 16 kOtHt5ucUifLNQ.exe 13->16 injected process8 process9 18 isoburn.exe 13 16->18         started        signatures10 38 Tries to steal Mail credentials (via file / registry access) 18->38 40 Tries to harvest and steal browser information (history, passwords, etc) 18->40 42 Modifies the context of a thread in another process (thread injection) 18->42 44 3 other signatures 18->44 21 5uRMCYCL8.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 www.si.edu.cdn.cloudflare.net 104.18.0.107, 49696, 49697, 49698 CLOUDFLARENETUS United States 21->32 34 www.twinspapa81.shop 110.10.197.56, 49716, 49717, 49718 SKB-ASSKBroadbandCoLtdKR Korea Republic of 21->34 36 11 other IPs or domains 21->36
Gathering data
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-08-18 17:14:15 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
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
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ba93fe96d3ed6fa7fc69797f22b99928824db916ce9e9318a405050d721c2c16
MD5 hash:
f77b8f3bced3b6e665db5bdf8bcd2406
SHA1 hash:
d1c0a853d1c91745f48af0846ba57458c0b49c64
SH256 hash:
ab600bb53740320b64bcadfe958098e62a3f571fd410d80f17ed64fa7284e23b
MD5 hash:
08bca8e0a0f827f6dbc11ce93663cc65
SHA1 hash:
70de315a424cbfede37e47ac249d6b8781325a0c
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.

Malspam

Formbook

Executable exe ba93fe96d3ed6fa7fc69797f22b99928824db916ce9e9318a405050d721c2c16

(this sample)

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