MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcde5a9fe61b7c32e735373629754ff429eadb1701165c4dcbe0ebd03374615e. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dcde5a9fe61b7c32e735373629754ff429eadb1701165c4dcbe0ebd03374615e
SHA3-384 hash: eeb7bf631b0a9a470c3ea6455f9561305e3e16a763890d6ee3e1c2b2fff0a705cf84d896a59d1096e558565c133a5f26
SHA1 hash: 49c9cada2e8c8735481da2ed543c2e6917b87f75
MD5 hash: 84b100cbd874b76df1ed1241584c2fca
humanhash: lactose-don-arkansas-item
File name:encoding-conversion.dll
Download: download sample
Signature Formbook
Create hunting rule
File size:2'320'896 bytes
First seen:2025-10-20 17:26:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 28827b3856cf60c4071f83753f1f7f53 (1 x Rhadamanthys, 1 x MassLogger, 1 x Formbook)
ssdeep 49152:86wlLRMBKZNCoG0VNu2JsNK7X5UI+ksV/dhLtl:yaoG6HUI+kA
Threatray 205 similar samples on MalwareBazaar
TLSH T1CCB59E09D39403B8D476E634C6629F3EE77C795203B1B14B4A9ECE051E76FA09A3AF41
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
encoding-conversion.dll.exe
Verdict:
No threats detected
Analysis date:
2025-10-20 17:33:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0a9724bb-2ce0-471f-ad46-08cdc9e4dd03

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/33521/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f670cd3edd081eba401752
Tags:
agenttesla snake
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context cmd fingerprint lolbin masquerade microsoft_visual_cc packed snakestealer
Link:
https://www.filescan.io/uploads/68f670dfacdc0d13837e0f97/reports/8ddef0dd-2784-46b0-aa2d-0553ba3f27e8/overview
Verdict:
Malicious
Labled as:
Midie.Generic
Link:
https://www.hybrid-analysis.com/sample/dcde5a9fe61b7c32e735373629754ff429eadb1701165c4dcbe0ebd03374615e
Verdict:
Malicious
File Type:
dll x64
First seen:
2025-09-29T04:23:00Z UTC
Last seen:
2025-10-22T14:43:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Inject.sb PDM:Trojan.Win32.Generic Trojan.Win32.Inject.aqrte HEUR:Trojan.Win64.Generic VHO:Trojan.Win32.Inject.aqrte
Link:
https://opentip.kaspersky.com/dcde5a9fe61b7c32e735373629754ff429eadb1701165c4dcbe0ebd03374615e/results?tab=lookup
Malware family:
Rhadamanthys
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/00151d22-2323-4bf6-83f2-0b6969843da0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1798581
Signature
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798581 Sample: encoding-conversion.dll.dll Startdate: 20/10/2025 Architecture: WINDOWS Score: 80 50 www.katiesgeary.xyz 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected FormBook 2->54 56 Joe Sandbox ML detected suspicious sample 2->56 9 loaddll64.exe 1 2->9         started        signatures3 58 Performs DNS queries to domains with low reputation 50->58 process4 process5 11 cmd.exe 1 9->11         started        13 rundll32.exe 9->13         started        16 rundll32.exe 9->16         started        18 6 other processes 9->18 signatures6 20 rundll32.exe 11->20         started        70 Writes to foreign memory regions 13->70 72 Allocates memory in foreign processes 13->72 74 Injects a PE file into a foreign processes 13->74 23 aspnet_wp.exe 13->23         started        25 aspnet_wp.exe 13->25         started        27 aspnet_wp.exe 16->27         started        29 aspnet_wp.exe 16->29         started        31 aspnet_wp.exe 18->31         started        33 aspnet_wp.exe 18->33         started        35 aspnet_wp.exe 18->35         started        37 7 other processes 18->37 process7 signatures8 60 Writes to foreign memory regions 20->60 62 Allocates memory in foreign processes 20->62 64 Injects a PE file into a foreign processes 20->64 39 aspnet_wp.exe 20->39         started        42 aspnet_wp.exe 20->42         started        66 Maps a DLL or memory area into another process 23->66 44 WerFault.exe 22 18 27->44         started        46 WerFault.exe 18 31->46         started        48 WerFault.exe 14 33->48         started        process9 signatures10 68 Maps a DLL or memory area into another process 39->68
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dcde5a9fe61b7c32e735373629754ff429eadb1701165c4dcbe0ebd03374615e
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/84b100cbd874b76df1ed1241584c2fca
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dcde5a9fe61b7c32e735373629754ff429eadb1701165c4dcbe0ebd03374615e/
Verdict:
Malicious
Threat:
Trojan.Win32.Inject
Link:
https://tip.neiki.dev/file/dcde5a9fe61b7c32e735373629754ff429eadb1701165c4dcbe0ebd03374615e
Threat name:
Win64.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-09-29 07:04:53 UTC
File Type:
PE+ (Dll)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3tpfvh7gdn6dfzzvg43cs5kp6qu6vwyxaelfytol4dv5am3umfpa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
13c8d2a17633b64f870ebcf13b9986143a4338b0f2d2bebea716c6ac8a237664
Formbook
4efeb0917fef419db003caaa8493aef883e23f31ade7d23f924ec8d18eb8c9d8
Formbook
5d02937446d2031b8d6f28d4dab29da62a1358864bca30cb1ebb3355478d3140
Formbook
afd13ea7fa8009c8f9fcf8b31c9c4b5fa1c5149be7e0d12691cdc8efb4e0e8c0
Formbook
dcde5a9fe61b7c32e735373629754ff429eadb1701165c4dcbe0ebd03374615e
Formbook
error
Formbook
f8ebdfd85fd94338600644177a2c90235f6404a497081bf100350963c3da1b4d
Formbook
+ 195 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/251020-vz15hswpfk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
dcde5a9fe61b7c32e735373629754ff429eadb1701165c4dcbe0ebd03374615e
MD5 hash:
84b100cbd874b76df1ed1241584c2fca
SHA1 hash:
49c9cada2e8c8735481da2ed543c2e6917b87f75
Link:
https://www.unpac.me/results/90da0e52-9b26-47c4-9703-22d862dae82c/
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/dcde5a9fe61b7c32e735373629754ff429eadb1701165c4dcbe0ebd03374615e

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: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__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Malspam

Formbook

Executable exe dcde5a9fe61b7c32e735373629754ff429eadb1701165c4dcbe0ebd03374615e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33521/

Comments