MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 894a300acdeb01edfece53b7e2a11f6a439dbd69d950936cafbdb524a5e498d5. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 894a300acdeb01edfece53b7e2a11f6a439dbd69d950936cafbdb524a5e498d5
SHA3-384 hash: 70fa6bf0de244b6051918a835cfb1677ec05603a5db40b80c07f52110d4b90529fb534b9bd41860a02b3f7f5b3a9196c
SHA1 hash: 84eca89c6995b6563440db6da2cdbd25366c6309
MD5 hash: 65d57aaa533b284ea3dc835ac4128f2e
humanhash: diet-twelve-london-mobile
File name:mpclient.dll
Download: download sample
Signature Formbook
Create hunting rule
File size:2'758'144 bytes
First seen:2025-08-07 02:55:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b1a1ba98650e66212d72d76d4dc2a8f9 (1 x Formbook)
ssdeep 24576:uNfu4B00ZI3aiGV/G6nsMbK1Ub0PRCPnsKbHf1H2nZPt2YAiicbG63foC3IrpXbc:uNfu4B5L3V/GPE6ZxAO6JdcpzvLcwk
Threatray 170 similar samples on MalwareBazaar
TLSH T136D5BE10E3A801B4D87BD734CA559333D670B9968734E54F0A9DD60A2F73AA29B3F712
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 threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
mpclient.dll
Verdict:
No threats detected
Analysis date:
2025-08-07 02:58:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7ae7529f-97e4-4c30-9d7f-4cab852e8f2f

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/19399/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689415c61e8a59ee04e6d8a4
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context crypto fingerprint masquerade microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/689415bc2fbe0788fb1b2aba/reports/40dc41ca-ea4b-4ea3-ba29-90271f5429c9/overview
Verdict:
Malicious
Labled as:
Formbook.AK trojan
Link:
https://www.hybrid-analysis.com/sample/894a300acdeb01edfece53b7e2a11f6a439dbd69d950936cafbdb524a5e498d5
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/32c4b736-d081-4b55-9228-f606df7f59cf
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1751904
Signature
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1751904 Sample: mpclient.dll.exe Startdate: 07/08/2025 Architecture: WINDOWS Score: 64 34 Multi AV Scanner detection for submitted file 2->34 36 Joe Sandbox ML detected suspicious sample 2->36 8 loaddll64.exe 1 2->8         started        process3 process4 10 cmd.exe 1 8->10         started        12 rundll32.exe 8->12         started        15 rundll32.exe 8->15         started        17 28 other processes 8->17 signatures5 19 rundll32.exe 10->19         started        44 Writes to foreign memory regions 12->44 46 Allocates memory in foreign processes 12->46 48 Injects a PE file into a foreign processes 12->48 22 aspnet_wp.exe 12->22         started        24 aspnet_wp.exe 12->24         started        26 aspnet_wp.exe 15->26         started        process6 signatures7 38 Writes to foreign memory regions 19->38 40 Allocates memory in foreign processes 19->40 42 Injects a PE file into a foreign processes 19->42 28 aspnet_wp.exe 19->28         started        30 aspnet_wp.exe 19->30         started        32 aspnet_wp.exe 19->32         started        process8
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/894a300acdeb01edfece53b7e2a11f6a439dbd69d950936cafbdb524a5e498d5
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 64 Exe x64
Link:
https://app.malva.re/file/65d57aaa533b284ea3dc835ac4128f2e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/894a300acdeb01edfece53b7e2a11f6a439dbd69d950936cafbdb524a5e498d5/
Verdict:
Malicious
Threat:
VHO:Trojan.Win32.Inject
Link:
https://tip.neiki.dev/file/894a300acdeb01edfece53b7e2a11f6a439dbd69d950936cafbdb524a5e498d5
Threat name:
Win64.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2025-08-06 05:56:03 UTC
File Type:
PE+ (Dll)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rffdacwn5ma637woko36fii7njbz3plj3fijg3fpxw2sjjpetdkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
09f78dcb8eebe8ebc48934d96091640f35894570813022f64a35c3b2fd86e3be
Formbook
2eb22c5857b92edbb22f4bae551b882e6cc714ba92b32be8927488bb46518da9
Formbook
894a300acdeb01edfece53b7e2a11f6a439dbd69d950936cafbdb524a5e498d5
Formbook
9fad45abdb417f8fe5cb3781708fe5bae091b48ef60d8c0cc0c05fff2b12132f
Formbook
cfe3100ff8dfe286be11b889ec8ca0a14211d56651469114ee5f440d8ff3e5a6
Formbook
error
Formbook
fde9c39712284a016a2440cba122aae2ab70659bc7d10f8bcc3e43b4fd299da9
Formbook
+ 160 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/250807-dex4pawtcy/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d9a4d63c-01c3-4032-887c-55950a9c776e
Unpacked files
SH256 hash:
894a300acdeb01edfece53b7e2a11f6a439dbd69d950936cafbdb524a5e498d5
MD5 hash:
65d57aaa533b284ea3dc835ac4128f2e
SHA1 hash:
84eca89c6995b6563440db6da2cdbd25366c6309
Link:
https://www.unpac.me/results/fc4bc9e1-3f97-44a6-bbd2-9b40059d23fe/
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/894a300acdeb01edfece53b7e2a11f6a439dbd69d950936cafbdb524a5e498d5

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: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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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 894a300acdeb01edfece53b7e2a11f6a439dbd69d950936cafbdb524a5e498d5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/19399/

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