MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c595b7aec31fcb722a76add442dd9924e651cff0ecead49c802103fe14e8ae57. 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: 18


Intelligence 18 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c595b7aec31fcb722a76add442dd9924e651cff0ecead49c802103fe14e8ae57
SHA3-384 hash: c8b8112c510102fb171b1be7518cd4e72d96f7a82cec9a63e32aafc3e9502d83f9c33a21b2178f7fe616579c76254732
SHA1 hash: 9cb00f52d9dac8897067b65af2b721cfc8eb57e6
MD5 hash: 3baf4fd7dde7eab5faf9e2e5f39eca10
humanhash: connecticut-april-single-happy
File name:Confirmation Transfer Copy-MT102.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:973'824 bytes
First seen:2025-11-10 22:14:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'785 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 12288:XWcqf3YBzTnVBPTnVBSapLL2Y9GbaKprAnZyBvqjrqwbm2+sarg5kI0NUt1duMX9:w3YBfP2gLL2BRprcNjlaBI3AMXGu
TLSH T1C325F1803B699893C83942F80932D5791BF56E6D7622F2C94ED16CEFF8D1F049E88257
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 32c29292b2e88e82 (10 x Formbook, 6 x RemcosRAT, 3 x AsyncRAT)
Reporter cocaman
Tags:exe FormBook payment

Intelligence

File Origin
# of uploads :
1
# of downloads :
226
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Confirmation Transfer Copy-MT102.exe
Verdict:
No threats detected
Analysis date:
2025-11-10 22:17:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8584da0f-72fd-4a3b-9ab5-b12f4273c65d

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/36736/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691263ffe2c9ded75d792742
Tags:
shell micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c595b7aec31fcb722a76add442dd9924e651cff0ecead49c802103fe14e8ae57
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-10T00:15:00Z UTC
Last seen:
2025-11-12T19:20:00Z UTC
Hits:
~100
Detections:
Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb Backdoor.Agent.HTTP.C&C Trojan.MSIL.Crypt.sb HEUR:Trojan-PSW.MSIL.PureLogs.gen VHO:Backdoor.Win32.Agent.gen
Link:
https://opentip.kaspersky.com/c595b7aec31fcb722a76add442dd9924e651cff0ecead49c802103fe14e8ae57/results?tab=lookup
Malware family:
KeyBase
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2b3a45af-178f-4e68-a53a-895e57da6937
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1811773
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1811773 Sample: Confirmation  Transfer Copy... Startdate: 10/11/2025 Architecture: WINDOWS Score: 100 40 www.go2oms.xyz 2->40 42 www.n8nsantos.top 2->42 44 11 other IPs or domains 2->44 52 Suricata IDS alerts for network traffic 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 60 8 other signatures 2->60 11 Confirmation  Transfer Copy-MT102.exe 4 2->11         started        signatures3 58 Performs DNS queries to domains with low reputation 40->58 process4 file5 38 Confirmation  Tran... Copy-MT102.exe.log, ASCII 11->38 dropped 70 Adds a directory exclusion to Windows Defender 11->70 72 Injects a PE file into a foreign processes 11->72 15 Confirmation  Transfer Copy-MT102.exe 11->15         started        18 powershell.exe 23 11->18         started        20 Confirmation  Transfer Copy-MT102.exe 11->20         started        signatures6 process7 signatures8 74 Maps a DLL or memory area into another process 15->74 22 HQhTV5Mf7eN.exe 15->22 injected 76 Loading BitLocker PowerShell Module 18->76 24 conhost.exe 18->24         started        process9 process10 26 DpiScaling.exe 13 22->26         started        signatures11 62 Tries to steal Mail credentials (via file / registry access) 26->62 64 Tries to harvest and steal browser information (history, passwords, etc) 26->64 66 Modifies the context of a thread in another process (thread injection) 26->66 68 4 other signatures 26->68 29 Xwt5zES2E.exe 26->29 injected 32 chrome.exe 26->32         started        34 firefox.exe 26->34         started        process12 dnsIp13 46 sobhaworldcity.com 162.240.53.38, 49704, 49705, 49706 UNIFIEDLAYER-AS-1US United States 29->46 48 post-office.net 217.160.0.50, 49696, 49697, 49698 ONEANDONE-ASBrauerstrasse48DE Germany 29->48 50 4 other IPs or domains 29->50 36 WerFault.exe 4 32->36         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c595b7aec31fcb722a76add442dd9924e651cff0ecead49c802103fe14e8ae57
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.31 Win 32 Exe x86
Link:
https://app.malva.re/file/3baf4fd7dde7eab5faf9e2e5f39eca10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c595b7aec31fcb722a76add442dd9924e651cff0ecead49c802103fe14e8ae57/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/c595b7aec31fcb722a76add442dd9924e651cff0ecead49c802103fe14e8ae57
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-11-10 07:53:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywk3plwdd7fxektwvxkefxmzettfdt7q5tvnjheaeeb74fhivzlq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/251110-16egzsdl5v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/de2d24f7-9a39-40a7-858c-0cf9e7550f08
Unpacked files
SH256 hash:
c595b7aec31fcb722a76add442dd9924e651cff0ecead49c802103fe14e8ae57
MD5 hash:
3baf4fd7dde7eab5faf9e2e5f39eca10
SHA1 hash:
9cb00f52d9dac8897067b65af2b721cfc8eb57e6
Link:
https://www.unpac.me/results/59508b91-3b87-4560-9c41-fe64079f0809/
SH256 hash:
6908d6cce3456ac75d7c7d841dcfc19c27f6de8771c68633a4253d3ec808ef7d
MD5 hash:
0c7684b4390e167805ecd85300a9fbbd
SHA1 hash:
0263fa97174a08dd453d184af34903ee2ed854c3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/59508b91-3b87-4560-9c41-fe64079f0809/
SH256 hash:
298be0e95cf70a25b5e2cdd2ca3811a24ed33935de6a82b93c2df3ff61daca45
MD5 hash:
014a7e13d62dc6dfefd56e4c2146fabb
SHA1 hash:
19d0a1d9321d134a27521b7032a14e4460f2eb64
Link:
https://www.unpac.me/results/59508b91-3b87-4560-9c41-fe64079f0809/
SH256 hash:
7bf446aa395daf6144aea86bae5b865ebf34582148d81c296538659eecf5eb0f
MD5 hash:
25b0904e71170ec2e009b5236e210bd5
SHA1 hash:
68acd2ec79dc199015f2434454a0d6ebabb7442b
Link:
https://www.unpac.me/results/59508b91-3b87-4560-9c41-fe64079f0809/
SH256 hash:
bd09b4ce213f78cc3b3ef5c4886b8a9a3320264ab94469512c1700aced8288de
MD5 hash:
516a9532a1bbb027e72c64eab2b04a1d
SHA1 hash:
6200116ac6796731d3537336d6f4c10656f6dfa3
Link:
https://www.unpac.me/results/59508b91-3b87-4560-9c41-fe64079f0809/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c595b7aec31f/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/c595b7aec31fcb722a76add442dd9924e651cff0ecead49c802103fe14e8ae57

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__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: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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Malspam

Formbook

zip ff09776140dc56b4f931c941b8d2193f204772870c8a8b46dc476cc946808afd

Formbook

Executable exe c595b7aec31fcb722a76add442dd9924e651cff0ecead49c802103fe14e8ae57

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 ff09776140dc56b4f931c941b8d2193f204772870c8a8b46dc476cc946808afd
Cape
Cape
https://www.capesandbox.com/analysis/36736/
  
Dropped by
MD5 f41a1e3a15f45d370cfd644f86bf4203

Comments