MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfc567c75b66387e59dcfd0e1a8d0b9016bab33622a04d0685d4c5950aca60af. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dfc567c75b66387e59dcfd0e1a8d0b9016bab33622a04d0685d4c5950aca60af
SHA3-384 hash: 9ad10bf8a16c770c0078e17daf66ab41e125d412ac92c504c0b891c268dc496ddaffb7dc30060159aadde7402c9b6647
SHA1 hash: b74f196425f9a85ceaafcc9a87be6a52d4048198
MD5 hash: ed9a4bd3881811aaa9aa9c1a530eb485
humanhash: september-lion-timing-autumn
File name:mpclient.dll
Download: download sample
Signature Formbook
Create hunting rule
File size:2'479'616 bytes
First seen:2025-08-08 06:03:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 44148b199b99b97d8f4b3ef192428d24 (1 x Formbook)
ssdeep 49152:+0KfpsLpD+oEabQK5k53YViW9CBN2ODnBy4W6T+rlp:Hx+oE0ViJCOlyr
Threatray 81 similar samples on MalwareBazaar
TLSH T1C2B5BE15E3A801B8D82BDB38CA259233E77078565371D18F1A99D7092F73EA09B7F712
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 :
77
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_dfc567c75b66387e59dcfd0e1a8d0b9016bab33622a04d0685d4c5950aca60af.dll
Verdict:
No threats detected
Analysis date:
2025-08-08 06:05:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/03c4ba99-c825-4e39-ab20-72170841df16

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/19578/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.11156.24758.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6895933111d7f9b979e672ea
Tags:
emotet virus
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context crypto fingerprint masquerade microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/68959356167d60d98ab6375e/reports/3e1737db-cd18-445f-85fc-06cc5f93dba6/overview
Verdict:
Malicious
Labled as:
Win64/Agent.ECK trojan
Link:
https://www.hybrid-analysis.com/sample/dfc567c75b66387e59dcfd0e1a8d0b9016bab33622a04d0685d4c5950aca60af
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6601d12e-aa63-44f4-837a-064e381a9a81
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1752789
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
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1752789 Sample: mpclient.dll.exe Startdate: 08/08/2025 Architecture: WINDOWS Score: 88 36 www.psycho-course.xyz 2->36 40 Suricata IDS alerts for network traffic 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected FormBook 2->44 46 Joe Sandbox ML detected suspicious sample 2->46 9 loaddll64.exe 1 2->9         started        signatures3 48 Performs DNS queries to domains with low reputation 36->48 process4 process5 11 cmd.exe 1 9->11         started        13 rundll32.exe 9->13         started        16 rundll32.exe 9->16         started        18 30 other processes 9->18 signatures6 20 rundll32.exe 11->20         started        58 Writes to foreign memory regions 13->58 60 Allocates memory in foreign processes 13->60 62 Injects a PE file into a foreign processes 13->62 23 aspnet_wp.exe 13->23         started        25 aspnet_wp.exe 16->25         started        27 aspnet_wp.exe 18->27         started        29 aspnet_wp.exe 18->29         started        31 aspnet_wp.exe 18->31         started        process7 signatures8 50 Writes to foreign memory regions 20->50 52 Allocates memory in foreign processes 20->52 54 Injects a PE file into a foreign processes 20->54 33 aspnet_wp.exe 20->33         started        56 Maps a DLL or memory area into another process 23->56 process9 signatures10 38 Maps a DLL or memory area into another process 33->38
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dfc567c75b66387e59dcfd0e1a8d0b9016bab33622a04d0685d4c5950aca60af
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dfc567c75b66387e59dcfd0e1a8d0b9016bab33622a04d0685d4c5950aca60af/
Verdict:
Malicious
Threat:
Trojan-Spy.Win32.Noon
Link:
https://tip.neiki.dev/file/dfc567c75b66387e59dcfd0e1a8d0b9016bab33622a04d0685d4c5950aca60af
Threat name:
Win64.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2025-08-07 22:13:14 UTC
File Type:
PE+ (Dll)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=37cwpr23my4h4wo47uhbvdilsallvmzwekqe2buf2tczkcwkmcxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3f011d7d530a4632c97e8f5cf7dccaa2e70dae186ae3def9a9b97ea0c4bcb5b0
Formbook
487b948a265af4cb1678ba8743bd9ab34cf2fac0cf9771d6fe37a056989d3629
Formbook
74f1dbe76fa2de515cd5d556301c3d411092d242b7db27e8c12216fa71f13d13
Formbook
d84ab36226aa91f630bfd6a5ace4bb48d8550ac864f1987f55c9bf85c1b3af97
Formbook
error
Formbook
+ 71 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/250808-gr7enstr19/
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/9be4542a-1897-4250-9b8e-803e66786283
Unpacked files
SH256 hash:
dfc567c75b66387e59dcfd0e1a8d0b9016bab33622a04d0685d4c5950aca60af
MD5 hash:
ed9a4bd3881811aaa9aa9c1a530eb485
SHA1 hash:
b74f196425f9a85ceaafcc9a87be6a52d4048198
Link:
https://www.unpac.me/results/caa16c38-f807-479a-bb79-96841e58dfcb/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dfc567c75b66/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/dfc567c75b66387e59dcfd0e1a8d0b9016bab33622a04d0685d4c5950aca60af

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 dfc567c75b66387e59dcfd0e1a8d0b9016bab33622a04d0685d4c5950aca60af

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/19578/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::WriteProcessMemory
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptCreateHash
bcrypt.dll::BCryptDestroyHash
bcrypt.dll::BCryptFinishHash
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptGetProperty
bcrypt.dll::BCryptHashData
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

Comments