MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5de7c77bdb15d405f39a810f4b3ff472e4c1d61c94233efe2fab4917447aa6b6. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 5de7c77bdb15d405f39a810f4b3ff472e4c1d61c94233efe2fab4917447aa6b6
SHA3-384 hash: 05266a34c366594cb2b3088970935c32c6693fe4f3dab62cba2584091b03210fb049ced918c10b6e946d244b0a9690cd
SHA1 hash: 00592ed827f2998d41b145a76335d9079b1bd2af
MD5 hash: a0664b2bd30f52552ed129123f923de6
humanhash: bluebird-beryllium-neptune-white
File name:payment.exe
Download: download sample
Signature Formbook
File size:1'222'656 bytes
First seen:2026-02-05 11:02:32 UTC
Last seen:2026-02-05 11:31:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 24576:6guQ+NNTJ0bTIcpGVxbpVb/GN+kMa+wxG/NRsSXB6wlAVRfxpdHg7+:zuLabTIzRMpxGBUiA3fHlg
TLSH T1D0452356773ACF26D0A517751531E77063B82D1AF012E22ACEEAADFF3659BE42448303
TrID 35.4% (.EXE) Win64 Executable (generic) (10522/11/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4504/4/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
130
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_5de7c77bdb15d405f39a810f4b3ff472e4c1d61c94233efe2fab4917447aa6b6.exe
Verdict:
No threats detected
Analysis date:
2026-02-05 11:04:59 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
virus micro
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
krypt masquerade obfuscated packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-05T03:34:00Z UTC
Last seen:
2026-02-07T08:06:00Z UTC
Hits:
~100
Detections:
Trojan.MSIL.Crypt.sb VHO:Trojan-Spy.MSIL.Noon.gen UDS:DangerousObject.Multi.Generic Trojan-Spy.Noon.HTTP.ServerRequest Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Inject.sb HEUR:Trojan-Spy.MSIL.Noon.gen VHO:Backdoor.Win32.Agent.gen
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1863888 Sample: payment.exe Startdate: 05/02/2026 Architecture: WINDOWS Score: 68 19 Multi AV Scanner detection for submitted file 2->19 21 Yara detected AntiVM3 2->21 23 .NET source code contains potential unpacker 2->23 25 2 other signatures 2->25 7 payment.exe 3 2->7         started        process3 file4 15 C:\Users\user\AppData\...\payment.exe.log, ASCII 7->15 dropped 10 payment.exe 7->10         started        process5 process6 12 WerFault.exe 21 16 10->12         started        file7 17 C:\ProgramData\Microsoft\...\Report.wer, Unicode 12->17 dropped
Gathering data
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2026-02-05 07:44:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
5de7c77bdb15d405f39a810f4b3ff472e4c1d61c94233efe2fab4917447aa6b6
MD5 hash:
a0664b2bd30f52552ed129123f923de6
SHA1 hash:
00592ed827f2998d41b145a76335d9079b1bd2af
SH256 hash:
e7d2610ed51f825290ba36abadbd2315ab61a1541caa814e25db22ba55e8d540
MD5 hash:
77b17e76a3293362ed99d5a2533d79a9
SHA1 hash:
1f7ec1afc2f50608179ee1ce2d4c525ee9f9aa26
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
fcbfdf9c1b2906556804c0750585aec00d49cad1c3c214168ab402c39cc99dfe
MD5 hash:
c0b9f794e74f11a3c6070317535e8602
SHA1 hash:
7d632abf71a5a91fd4522664c482fd2c1f832659
SH256 hash:
ad5064f5f5259097c6d65b1d3cf6170c08172ef814c29d0f5988adfed4214c81
MD5 hash:
87f00b6d27f71bef763f2ad55f82903c
SHA1 hash:
916315e071696efc4a72110fac0955a32d6becae
Detections:
INDICATOR_EXE_Packed_SmartAssembly
SH256 hash:
73671017790770e3e17d8513cfb685f7e0dc34195d331848ae7aed72f18d2791
MD5 hash:
111d9553f05f3dd705ecaf16986dd2c2
SHA1 hash:
c676c5dd1d558aa352e2752b7d0db557d64df7d8
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 5de7c77bdb15d405f39a810f4b3ff472e4c1d61c94233efe2fab4917447aa6b6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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