MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53a26ac66dffdf3a6db7cc079ccca32790afc93166ec8a6f33c82cf1d26e08c8. 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 4 File information Comments

SHA256 hash: 53a26ac66dffdf3a6db7cc079ccca32790afc93166ec8a6f33c82cf1d26e08c8
SHA3-384 hash: bc3eb06f9ab7a0f2fe6f5529b7d47d00cf65be4a1f489bed304528aa225644d4e367b6e5ae2646e83190b3aba8b48f66
SHA1 hash: 1d62e92e116712b0d16f4f303c4fb1e00b13a4ac
MD5 hash: 8d58ded0f35be1a32ef5a28213b2794f
humanhash: colorado-sierra-oscar-harry
File name:Payment Advice.exe
Download: download sample
Signature Formbook
File size:680'448 bytes
First seen:2025-11-20 06:13:54 UTC
Last seen:2025-11-20 08:16:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ef471c0edf1877cd5a881a6a8bf647b9 (83 x Formbook, 33 x Loki, 31 x Loda)
ssdeep 12288:BOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPiLefUNhu10ZraEdLA+l8d11KnkqVmc:Bq5TfcdHj4fmb0+1EaEFRyd1IkQm1G
TLSH T1FCE4239069C88C62D9613770907ACED41E643E71CE856B9E0B4DF25E78623836CC7B7E
TrID 33.9% (.EXE) UPX compressed Win32 Executable (27066/9/6)
33.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
13.1% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
105
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice.exe
Verdict:
Malicious activity
Analysis date:
2025-11-20 06:16:58 UTC
Tags:
upx autoit

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
malware
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:
autoit compiled-script masquerade microsoft_visual_cc packed packed packed upx
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-19T21:12:00Z UTC
Last seen:
2025-11-22T03:18:00Z UTC
Hits:
~1000
Detections:
Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan.Win32.Zenpak.sb Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb Trojan.Win32.Auzenpak.sb Trojan-Spy.Win32.Noon.bnxw Trojan-Spy.Noon.HTTP.ServerRequest
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
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
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)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1817481 Sample: Payment Advice.exe Startdate: 20/11/2025 Architecture: WINDOWS Score: 100 31 www.walkheaven.com 2->31 33 www.point-star.net 2->33 35 14 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 49 6 other signatures 2->49 11 Payment Advice.exe 4 2->11         started        signatures3 process4 signatures5 59 Binary is likely a compiled AutoIt script file 11->59 61 Writes to foreign memory regions 11->61 63 Maps a DLL or memory area into another process 11->63 14 svchost.exe 11->14         started        process6 signatures7 65 Maps a DLL or memory area into another process 14->65 67 Unusual module load detection (module proxying) 14->67 17 vAgEwVe3Y.exe 14->17 injected process8 process9 19 EhStorAuthn.exe 13 17->19         started        signatures10 51 Tries to steal Mail credentials (via file / registry access) 19->51 53 Tries to harvest and steal browser information (history, passwords, etc) 19->53 55 Modifies the context of a thread in another process (thread injection) 19->55 57 4 other signatures 19->57 22 OeugaoOwG3ek2.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 tisvbz.114dodcqczey.com 156.247.39.133, 49742, 49743, 49744 PEGTECHINCUS Seychelles 22->37 39 www.fggwga.info 192.229.75.153, 49754, 49755, 49756 LEASEWEB-USA-LAX-11US United States 22->39 41 9 other IPs or domains 22->41 29 WerFault.exe 4 25->29         started        process13
Gathering data
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-11-20 01:21:24 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
autoit formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan upx
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
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
53a26ac66dffdf3a6db7cc079ccca32790afc93166ec8a6f33c82cf1d26e08c8
MD5 hash:
8d58ded0f35be1a32ef5a28213b2794f
SHA1 hash:
1d62e92e116712b0d16f4f303c4fb1e00b13a4ac
SH256 hash:
05922bf5a59b5e1271e214cfaf699f902f53391217d8b1a54fceefb6b98dcf35
MD5 hash:
66962a75372fac496e6c2b06e9a0f15b
SHA1 hash:
7f79e21485f5a5ef23482531eeca7e4e83870821
Detections:
AutoIT_Compiled
SH256 hash:
5ed35a76668c94b3330fa1fd38000d645f412edd119c83f3b06dc89653039208
MD5 hash:
aff2b7c28a1a540bd652cb52dc867ad0
SHA1 hash:
9174884b07dcedb284097b069f7b5e5566f467cd
SH256 hash:
21efe901a9d65fb4d17fa002e194017914eb50ab5dfd90a64e82dd2fcec33611
MD5 hash:
8019e01bf04625293c619b4edfdf9f4f
SHA1 hash:
1272b65100dec87e66e6fbc099722455246e5cc4
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:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9

File information


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

Malspam

Formbook

Executable exe 53a26ac66dffdf3a6db7cc079ccca32790afc93166ec8a6f33c82cf1d26e08c8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments