MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b98715b0034bf2f20f610b44584dea61019a08276ca1daf02a31e9a4896a908. 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: 17


Intelligence 17 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b98715b0034bf2f20f610b44584dea61019a08276ca1daf02a31e9a4896a908
SHA3-384 hash: 966d89bb190f6efa9a59bda1276262784dc3a91bba570f7c65b7c80552adde94522a047d45fa900d534dae1e988582d8
SHA1 hash: 334c980c0f31c9d04ef4f6d4320b4ea5f0f6e8c3
MD5 hash: f6d9b23e86ef96d1c8899220d359e0cb
humanhash: fourteen-snake-charlie-harry
File name:5b98715b0034bf2f20f610b44584dea61019a08276ca1daf02a31e9a4896a908
Download: download sample
Signature Formbook
Create hunting rule
File size:1'172'992 bytes
First seen:2025-12-08 15:16:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 91d07a5e22681e70764519ae943a5883 (120 x Formbook, 32 x a310Logger, 27 x AgentTesla)
ssdeep 24576:stb20pkaCqT5TBWgNQ7ao/4iRPOQlADDu46A:VVg5tQ7ao/3OQlqDX5
Threatray 2'734 similar samples on MalwareBazaar
TLSH T1A145CF1273DDC361C7725273BA25B741BEBF782506A1F96B2FD8093DE820162521EA73
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Link:
https://research.acce.ciphertechsolutions.com/results/440bc0b4-7225-414f-9484-1e74c574adf8/
Malware family:
n/a
ID:
1
File name:
5b98715b0034bf2f20f610b44584dea61019a08276ca1daf02a31e9a4896a908
Verdict:
No threats detected
Analysis date:
2025-12-08 21:30:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b8b3fc94-8adb-4b1e-ab41-3d181664b09a

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/43406/
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=6936ec5a881313558a2b8f83
Tags:
nymeria autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Sending a custom TCP request
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 fingerprint keylogger microsoft_visual_cc nymeria packed
Link:
https://www.filescan.io/uploads/6936ebc6ff25e40750d7aee9/reports/27562abb-abe4-4abb-b2f7-f65502363661/overview
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Link:
https://www.hybrid-analysis.com/sample/5b98715b0034bf2f20f610b44584dea61019a08276ca1daf02a31e9a4896a908
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-18T21:11:00Z UTC
Last seen:
2025-12-05T06:01:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/5b98715b0034bf2f20f610b44584dea61019a08276ca1daf02a31e9a4896a908/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5c45f921-b14c-4719-8e95-d7805d5c8798
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5b98715b0034bf2f20f610b44584dea61019a08276ca1daf02a31e9a4896a908
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/f6d9b23e86ef96d1c8899220d359e0cb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b98715b0034bf2f20f610b44584dea61019a08276ca1daf02a31e9a4896a908/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-11-19 01:16:35 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lomhcwyags7s6ihwcc2elbg6uyibtieco3fb3lycumpjusewveea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
autoit
Create hunting rule
Similar samples:
11cc53e72e2f50f162ecbf30fe545b9fbdec4527ae1fb36522a563e8303894fc
Formbook
2968dbd64af4b7668158b729f043c71b653bec1d5e4c965359bbc662a4cd3fda
Formbook
90b33d8252b9470d19ac4aff278e6470c04bafe0a04cf143b61880257ca13157
Formbook
9adeec7138d5d6854c3632ed0560edf5566d75347ffb0b13aa441ba89aed930a
Formbook
a21182bf32d320deebafbf52f06c370fe3762ec55793e09df10ce9e27bfe799a
Formbook
a68c8b552dc6416db42a98e331b13d30e6ba04d3dec7c9fe1636f1eebed71912
Formbook
+ 2'724 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-snpk8sft6f/
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:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/38c77ee4-d265-4891-97fb-98e862c58942
Unpacked files
SH256 hash:
f20b0221d2b24d103f9b2c17d5926dad147cf729dccbf4c2ea455bd8bcdbdaf9
MD5 hash:
ef3327e79680e38ded1208ea8981d9c7
SHA1 hash:
c180b0448b2d92ecf725bca5c6b9c93dd6fc23cd
Link:
https://www.unpac.me/results/321b5c83-cc4a-48ba-a75c-306aad2a30b2/
SH256 hash:
10ccda6c09cfe391fc3d5bfc56198e785908ce0da7a815b02c0223a922428078
MD5 hash:
6dd2ef688b6775918fc91ece2b031576
SHA1 hash:
691d06465af3feb53fd0f38195fe28d5a18e13a9
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/321b5c83-cc4a-48ba-a75c-306aad2a30b2/
Parent samples :
f8b0f66cf4778ac6c5c91358e523994efec3065636e25d9487ec5d87dfbef14b
11cc53e72e2f50f162ecbf30fe545b9fbdec4527ae1fb36522a563e8303894fc
2968dbd64af4b7668158b729f043c71b653bec1d5e4c965359bbc662a4cd3fda
9adeec7138d5d6854c3632ed0560edf5566d75347ffb0b13aa441ba89aed930a
dfb26be7653792b528f1eebbf369f94a76c1f40ff8cb50377f8d49d0ed846417
3dc974c7c0c8f9661e021e383d86122d6053e45f1d42d7164d33a717b9b2bd02
0736bca6f642df69654f042e4ea38fe03d11a9dd6ac5e14fc5b6cba2a1facdfe
a68c8b552dc6416db42a98e331b13d30e6ba04d3dec7c9fe1636f1eebed71912
7051251ec9dccbd7571cb7b3c30e5f64ecf1feb7f3694b38a8307e24a3ba56ab
20d5148fc579f4d5cd970d13bce2f15136c8eb788037ffa40802d4f947946621
d35e98ed5ac77679e813b2a362ce37bc0a247b45758d60327ac5b8a4a048c0ab
5f266855a1787ed15b3256ffec3e391369cbade79468f188fed70eb24ef96488
5b98715b0034bf2f20f610b44584dea61019a08276ca1daf02a31e9a4896a908
SH256 hash:
5b98715b0034bf2f20f610b44584dea61019a08276ca1daf02a31e9a4896a908
MD5 hash:
f6d9b23e86ef96d1c8899220d359e0cb
SHA1 hash:
334c980c0f31c9d04ef4f6d4320b4ea5f0f6e8c3
Link:
https://www.unpac.me/results/321b5c83-cc4a-48ba-a75c-306aad2a30b2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5b98715b0034/report/overview.html
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
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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/43406/

Comments