MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e890b563d8866db21a60bd0eed524503a8769125f31949836da4c67ab1a704d9. 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: 19


Intelligence 19 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e890b563d8866db21a60bd0eed524503a8769125f31949836da4c67ab1a704d9
SHA3-384 hash: b461e9883011aa692c2ed90bc6f09bc9c16ffbc7f57278b0cee9f3ae65195a6a5996bf5084a419bb41b6c498ec2f668d
SHA1 hash: f57cb2f1374c93f6ca385b1f9d4a8cb078ae75e1
MD5 hash: b3b8c5c16ce813dce56cf6334897b642
humanhash: dakota-december-florida-sad
File name:NOV-JAN.xlsx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'169'920 bytes
First seen:2025-11-18 00:02:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 91d07a5e22681e70764519ae943a5883 (93 x Formbook, 14 x RemcosRAT, 11 x AgentTesla)
ssdeep 24576:Ptb20pkaCqT5TBWgNQ7an/8BpZqbXw7+6A:MVg5tQ7anmHq55
TLSH T1E045C01373DEC361C3726273BA267701AEBF782506A5F96B2FD4093DB820162525E673
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 threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NOV-JAN.xlsx.exe
Verdict:
No threats detected
Analysis date:
2025-11-18 00:04:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7a82ffa5-1254-4e27-939f-be1cc641fdbd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38515/
Detection(s):
SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691bb7cabdb0ec3a9dc2ead0
Tags:
underscore autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
DNS request
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger masquerade microsoft_visual_cc packed unsafe
Link:
https://www.filescan.io/uploads/691bb7c9a4e47f6c207222c8/reports/19701fdd-8874-49c1-b88a-ccdd9db8cf5f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/e890b563d8866db21a60bd0eed524503a8769125f31949836da4c67ab1a704d9
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-17T20:09:00Z UTC
Last seen:
2025-11-19T22:14:00Z UTC
Hits:
~1000
Detections:
Trojan-Spy.Noon.HTTP.ServerRequest Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Strab.zlt Trojan.Win32.Zenpak.sb Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb Trojan.Win32.Auzenpak.sb
Link:
https://opentip.kaspersky.com/e890b563d8866db21a60bd0eed524503a8769125f31949836da4c67ab1a704d9/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d57e33a3-2845-42ab-89d7-9df8e96d13db
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1815678
Signature
Binary is likely a compiled AutoIt script file
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)
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)
Unusual module load detection (module proxying)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1815678 Sample: NOV-JAN.xlsx.exe Startdate: 18/11/2025 Architecture: WINDOWS Score: 100 31 www.volunteerforchange.com 2->31 33 www.moisra.site 2->33 35 3 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 49 5 other signatures 2->49 11 NOV-JAN.xlsx.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 65 Switches to a custom stack to bypass stack traces 11->65 14 svchost.exe 11->14         started        process6 signatures7 67 Maps a DLL or memory area into another process 14->67 69 Unusual module load detection (module proxying) 14->69 17 XMhc5Jbd0.exe 14->17 injected process8 process9 19 msfeedssync.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 ynT4xIK1S4anWt.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 www.moisra.site 203.161.43.199, 49731, 80 VNPT-AS-VNVNPTCorpVN Malaysia 22->37 39 www.10384holeave.com 40.65.124.100, 49721, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->39 41 2 other IPs or domains 22->41 29 WerFault.exe 4 25->29         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e890b563d8866db21a60bd0eed524503a8769125f31949836da4c67ab1a704d9
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/b3b8c5c16ce813dce56cf6334897b642
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e890b563d8866db21a60bd0eed524503a8769125f31949836da4c67ab1a704d9/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/e890b563d8866db21a60bd0eed524503a8769125f31949836da4c67ab1a704d9
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-11-18 00:03:23 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5cilky6yqzw3egtaxuho2usfaouhnejf6mmuta3nutdhvmnhatmq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
autoit
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251118-ab61msvrby/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8206bb6b-6c41-4234-9172-2e51fafe7e0e
Unpacked files
SH256 hash:
e890b563d8866db21a60bd0eed524503a8769125f31949836da4c67ab1a704d9
MD5 hash:
b3b8c5c16ce813dce56cf6334897b642
SHA1 hash:
f57cb2f1374c93f6ca385b1f9d4a8cb078ae75e1
Link:
https://www.unpac.me/results/83cc0d15-c1a3-4556-b80a-ac91866ca713/
SH256 hash:
0905736264c63a36c9822b7eb1cecde0a98a979c768c08ee3ea90ae068334b0c
MD5 hash:
6f1c64ab07043e1984810e73fd808ef8
SHA1 hash:
5fa67ff8f279184eb8769ed5648662cae51e460e
Link:
https://www.unpac.me/results/83cc0d15-c1a3-4556-b80a-ac91866ca713/
SH256 hash:
befa243da094acbdac770edcd459641420b870456e96f8cc1ea703c645a23cba
MD5 hash:
6f5f9c2ac49c254faf73f81f9c14839b
SHA1 hash:
ff9e85066b67b38abaece57a39fa43cf94bae1c5
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/83cc0d15-c1a3-4556-b80a-ac91866ca713/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e890b563d886/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e890b563d8866db21a60bd0eed524503a8769125f31949836da4c67ab1a704d9

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
Create hunting rule
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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

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

Malspam

Formbook

Executable exe e890b563d8866db21a60bd0eed524503a8769125f31949836da4c67ab1a704d9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38515/

Comments