MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349. 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: 16


Intelligence 16 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349
SHA3-384 hash: d2cad15e5272ccea5a1262d7ad38b48ffc8a73d8729498dbd461f9e11486c0c37b66f5abfde3520e73d7234806cab1e4
SHA1 hash: 04991b0ceb653f0876cdaeec477672863c89d38f
MD5 hash: 2f73fdcabda9c7e0f37495404fb26eb1
humanhash: winter-oxygen-south-muppet
File name:d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349
Download: download sample
Signature Formbook
Create hunting rule
File size:1'212'416 bytes
First seen:2026-02-05 15:49:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 279daa640d9140f9842860a738abd363 (23 x Formbook, 2 x CastleLoader, 1 x RemcosRAT)
ssdeep 24576:3qDEvCTbMWu7rQYlBQcBiT6rprG8aXUTTtxnqsvQ3ez03:3TvC/MTQYxsWR7aXU1zs
Threatray 2'603 similar samples on MalwareBazaar
TLSH T1CC45CF0273C1C062FFAB92734B5AF6514BBC69260123E61F13981DB9BD705B1563EBA3
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 :
90
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/fe5d6eca-12fd-4d1c-80a2-709388ef282b/
Malware family:
n/a
ID:
1
File name:
_d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349.exe
Verdict:
No threats detected
Analysis date:
2026-02-05 16:05:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/25b7cb1d-224d-4693-a824-1ef597e7c356

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/52221/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6984bc5f117f8ed80109d6f7
Tags:
autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit barys compiled-script fingerprint keylogger microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/6984bc55930564ff3c8d3046/reports/4577995e-bc18-487b-be69-62eee5a2c8be/overview
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-27T00:43:00Z UTC
Last seen:
2026-02-06T07:18:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan-Spy.Win32.Noon.bpno Trojan.Win32.Strab.sb Trojan-Spy.Noon.HTTP.ServerRequest Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Agent.sb Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Zenpak.sb Trojan.Win32.Inject.sb Trojan.Win32.Auzenpak.sb
Link:
https://opentip.kaspersky.com/d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/87ec5ffe-ce8c-4075-83c5-f823b8ce0e43
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2026-01-27 07:58:05 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2wgg6u5xwalihcq474bnqm2zooxz7jbgovqby5f5feflc2xkoneq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00ca6e2c0cf97d95fbe2bde0f38659e8c7a47fdc4fa784be828aff5e051dd64b
Formbook
0181debef17f37a78926c383a839ad2994f6dc49bcc5602890558545d58a9876
Formbook
26d6053c28e6d07e8be6f160fab2334b8339f23cafe1b35e524e1add0acee6b4
Formbook
750d0ef6eaaac00190a10d38493cf765fcb9a9076ecf4d52ca356af4a650585f
Formbook
8a226b58f29599b98ff089f0dd5ecb845dbac90982ed15337734886e15912952
Formbook
8c36017fb562623b423d65c040cf67365367a8b271f375b91e69b4c942cd09da
Formbook
b815f365f539b1893fefa15f8b39382b6ec4f249e75b85e348bab807cb989eff
Formbook
ccb84b327afb07bccbe3367be35abe53ccb8f0ad9a815bb098e30029387def10
Formbook
+ 2'593 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/260205-s97zpsbz9g/
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
Unpacked files
SH256 hash:
42f1ad094fce865dfeb64f6b700fc767445004ddddb755d3ba301e25dd2460ec
MD5 hash:
d41e74ce2ae66db7e0f33be3b693a750
SHA1 hash:
0ef6031c74587dfce5aaf6a9490140376f3c684a
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f7426102-955e-4cc6-9836-9878eca1abc0/
Parent samples :
e5c7bc7ad2dbd1b81fd1a52ceaa6dc9a2e9e856656e0d491efc9ab7f40a8e697
8412e88be6816df2a7a3a61f922d672f82f22b28bc4f98ff8779696a86291d03
6b4e7f502fe0398e9b110e290bc5b00e79b26ad7640657ab14d64d5ed00dcc34
72003989a5979b2652dd9a3e4ba6f0db4ffe1b99496a5c00d97dd360ec79cbf6
d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349
SH256 hash:
6230a6b2c4f053257bfb697f258f3a78b8a463953d399c0f32f0889051c9d4cc
MD5 hash:
0e16250dc6e78e8229f4eef4f5c7be58
SHA1 hash:
bf895785e421658dc4b862aeb621c9ce6c8eec70
Link:
https://www.unpac.me/results/f7426102-955e-4cc6-9836-9878eca1abc0/
SH256 hash:
d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349
MD5 hash:
2f73fdcabda9c7e0f37495404fb26eb1
SHA1 hash:
04991b0ceb653f0876cdaeec477672863c89d38f
Link:
https://www.unpac.me/results/f7426102-955e-4cc6-9836-9878eca1abc0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d58c6f53b7b0/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/d58c6f53b7b016838a1cff02d8335973af9fa42675601c74bd290ab16aea7349

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.

Cape
Cape
https://www.capesandbox.com/analysis/52221/

Comments