MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b103eafb63925e5c6c7104d234873c0213def2cbf50f6b1566026694311b4902. 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: 20


Intelligence 20 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b103eafb63925e5c6c7104d234873c0213def2cbf50f6b1566026694311b4902
SHA3-384 hash: 4716f9198bfd48eddc729e7a73cea9fa5030abcb59a97d5e589dd10974d55afb7ff81ed158396963fe0f2e5c1447b76e
SHA1 hash: 7de51ad6b15abe823a266aea5d278af669ca8a52
MD5 hash: 4381d48b646f9cdd8cd24445e571ef47
humanhash: friend-fish-kentucky-winter
File name:SOA NOVEMBER.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'225'216 bytes
First seen:2025-12-08 09:52:30 UTC
Last seen:2025-12-09 10:23:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (377 x Formbook, 117 x AgentTesla, 58 x a310Logger)
ssdeep 24576:55EmXFtKaL4/oFe5T9yyXYfP1ijXdamz7Atj/+KRdgSXJ/74Vj4H/4:5PVt/LZeJbInQRamz7C/7RySXh7i
Threatray 2'210 similar samples on MalwareBazaar
TLSH T15E45BF0273D1D062FFAB92334B56F6115ABC79260123AA1F13981DBAFD701B1563E7A3
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 INVOICE

Intelligence

File Origin
# of uploads :
5
# of downloads :
100
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Link:
https://research.acce.ciphertechsolutions.com/results/11a1ed99-cbdd-414d-9da2-28af9d60329b/
Malware family:
n/a
ID:
1
File name:
SOA NOVEMBER.exe
Verdict:
Malicious activity
Analysis date:
2025-12-08 09:53:26 UTC
Tags:
auto-startup
Link:
https://app.any.run/tasks/462f12a4-eef6-464e-93b5-c2f27d1eda29

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/42975/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6936a007db58e1a2c22b7c97
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/6936a009bc15eab491f6f2df/reports/f08f04cb-f763-4ec5-af14-3b2297fcb808/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b103eafb63925e5c6c7104d234873c0213def2cbf50f6b1566026694311b4902
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-08T00:37:00Z UTC
Last seen:
2025-12-10T05:18:00Z UTC
Hits:
~1000
Detections:
Trojan-Spy.Noon.HTTP.ServerRequest Trojan.Win32.Agent.sb Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Zenpak.sb Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb Trojan.Win32.Auzenpak.sb Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Strab.aaeo PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb
Link:
https://opentip.kaspersky.com/b103eafb63925e5c6c7104d234873c0213def2cbf50f6b1566026694311b4902/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/490b7b97-5023-46d8-895e-91f92589169d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1828688
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1828688 Sample: SOA NOVEMBER.exe Startdate: 08/12/2025 Architecture: WINDOWS Score: 100 52 wyw.pt.cdn-dysxb.com 2->52 54 www.tovira.live 2->54 56 21 other IPs or domains 2->56 72 Suricata IDS alerts for network traffic 2->72 74 Antivirus detection for URL or domain 2->74 76 Antivirus / Scanner detection for submitted sample 2->76 78 7 other signatures 2->78 12 SOA NOVEMBER.exe 6 2->12         started        16 wscript.exe 1 2->16         started        signatures3 process4 file5 50 C:\Users\user\AppData\Local\...\Archimago.exe, PE32 12->50 dropped 96 Binary is likely a compiled AutoIt script file 12->96 18 Archimago.exe 3 12->18         started        98 Windows Scripting host queries suspicious COM object (likely to drop second stage) 16->98 22 Archimago.exe 2 16->22         started        signatures6 process7 file8 48 C:\Users\user\AppData\...\Archimago.vbs, data 18->48 dropped 80 Antivirus detection for dropped file 18->80 82 Multi AV Scanner detection for dropped file 18->82 84 Binary is likely a compiled AutoIt script file 18->84 90 3 other signatures 18->90 24 svchost.exe 18->24         started        86 Writes to foreign memory regions 22->86 88 Maps a DLL or memory area into another process 22->88 27 svchost.exe 22->27         started        signatures9 process10 signatures11 92 Maps a DLL or memory area into another process 24->92 94 Unusual module load detection (module proxying) 24->94 29 1AlSAEhC3I.exe 24->29 injected 31 aPHQYHqvz.exe 27->31 injected process12 signatures13 34 fsutil.exe 13 29->34         started        100 Maps a DLL or memory area into another process 31->100 37 fsutil.exe 31->37         started        process14 signatures15 64 Tries to steal Mail credentials (via file / registry access) 34->64 66 Tries to harvest and steal browser information (history, passwords, etc) 34->66 68 Modifies the context of a thread in another process (thread injection) 34->68 70 4 other signatures 34->70 39 XhFQ29bwD.exe 34->39 injected 42 chrome.exe 34->42         started        44 firefox.exe 34->44         started        process16 dnsIp17 58 tisvbz.114dodcqczey.com 156.247.39.131, 49726, 49727, 49728 PEGTECHINCUS Seychelles 39->58 60 i-v-c.ca 149.56.225.6, 49698, 49699, 49700 OVHFR Canada 39->60 62 12 other IPs or domains 39->62 46 WerFault.exe 4 42->46         started        process18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b103eafb63925e5c6c7104d234873c0213def2cbf50f6b1566026694311b4902
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/4381d48b646f9cdd8cd24445e571ef47
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b103eafb63925e5c6c7104d234873c0213def2cbf50f6b1566026694311b4902/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/b103eafb63925e5c6c7104d234873c0213def2cbf50f6b1566026694311b4902
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-12-08 03:35:51 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
29 of 37 (78.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=web6v63dsjpfy3dratjdjbz4aij554wl6uhwwflgajtjimi3jeba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01d5ee39bc1c92fd89ac108357bbd155e92fb8ca03876846cfa8ce393b8552f1
Formbook
15923a9fc38c609142edebb4ff10369d18d53b82986c41b7d98c5037c191db06
Formbook
336b45d6525d7f84650bedc820b46047a465bb14c2e6f7829a45be9436b363d6
Formbook
6a552490f5fe075731262f257c9d49392da0534935d28492bcb8a3d8fa41bb0d
Formbook
6a6baaeecaf011cf1501cf29567579acf459970aab2ed59118a24942504d4670
Formbook
d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b
Formbook
d5524fe820bb5053c55848f1b832179009569460a9879337458502b4c10c8195
Formbook
e9d5396c421427a2f91a52de7109fc642837dcf9dad29f7500bd51310a400d5a
Formbook
eb91cd66e60f105d9c783da4d6d121b79906f4f2b702650ee444c262f16489d4
Formbook
error
Formbook
+ 2'200 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251208-lwpgwawjhr/
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
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/25c7c2da-4c3f-45e4-ac75-5d66a587d2c9
Unpacked files
SH256 hash:
bca978330944842a1e41f96c687c7abb17c7e2c2dead97b32b0fe93350ab6ae4
MD5 hash:
f8a94a2ec81a38282cb918e98d5e6e8c
SHA1 hash:
a98a76b025575087d6a71b4c0f3ed4f12ec97be0
Link:
https://www.unpac.me/results/cb591bd2-cf47-4730-9021-e456b1e1a9a2/
SH256 hash:
cf7d5f0d04da86a44901e988105faf4bed4d1e78a894d0a2a175ec8a21d0d7bc
MD5 hash:
f490fc45ede9b2d5f69b5d4b9b5cafb0
SHA1 hash:
411bd1ab0c940c519c8f3cecf6521c98d2e21cf1
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/cb591bd2-cf47-4730-9021-e456b1e1a9a2/
Parent samples :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 hash:
b103eafb63925e5c6c7104d234873c0213def2cbf50f6b1566026694311b4902
MD5 hash:
4381d48b646f9cdd8cd24445e571ef47
SHA1 hash:
7de51ad6b15abe823a266aea5d278af669ca8a52
Link:
https://www.unpac.me/results/cb591bd2-cf47-4730-9021-e456b1e1a9a2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b103eafb6392/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b103eafb63925e5c6c7104d234873c0213def2cbf50f6b1566026694311b4902

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information

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

Malspam

Formbook

zip 07a50bdb992516b64973a8f29ef4048518b35a21b0ee543b9256048997ea5588

Formbook

Executable exe b103eafb63925e5c6c7104d234873c0213def2cbf50f6b1566026694311b4902

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 07a50bdb992516b64973a8f29ef4048518b35a21b0ee543b9256048997ea5588
Cape
Cape
https://www.capesandbox.com/analysis/42975/
  
Dropped by
MD5 eb63566a28432c51e18147796b6d0bc2

Comments