MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04d0203d755db0ea7ad019917e64f3cc2c7f15a87eea3d37b429cdfe633e46b0. 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: 22


Intelligence 22 IOCs YARA 3 File information Comments

SHA256 hash: 04d0203d755db0ea7ad019917e64f3cc2c7f15a87eea3d37b429cdfe633e46b0
SHA3-384 hash: a95c19680f866bcae33f32e11719600a4bcf6ce79cb3e2339daab0046b4b19a4eb0712a8cb24bac538d7016e853a9d35
SHA1 hash: c854a31ad9fc92812e7667ca354dd2e6e016fa0e
MD5 hash: dae86586287ab94a1d2ebb27ac84d9f3
humanhash: robin-april-kentucky-angel
File name:Confirmation Transfer Copy.exe
Download: download sample
Signature Formbook
File size:724'480 bytes
First seen:2026-01-09 15:27:57 UTC
Last seen:2026-01-19 15:05:10 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 12288:2iA11D2/tWP+2NglNNd5Zz5NYXuczwtViyqSfCTEb94QouxeOyRmmB:2iA16tWGuYlYu8wtVxoYh4QouML
TLSH T196F4F15037B59B52E5B66BF615B1E2350BB63D5E1A30E3088EEA6CDF3036F905900B63
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
104
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
5.zip
Verdict:
Malicious activity
Analysis date:
2026-01-09 14:53:45 UTC
Tags:
arch-exec stealer formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
virus msil sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-09T05:54:00Z UTC
Last seen:
2026-01-11T02:12:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.MSIL.Agent.gen Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Crypt.sb Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic HEUR:Trojan-Spy.MSIL.Noon.gen Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb Trojan-PSW.Win32.Stealer.sb
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
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)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847391 Sample: Confirmation Transfer Copy.exe Startdate: 09/01/2026 Architecture: WINDOWS Score: 100 33 www.54825121.xyz 2->33 35 www.030057500.xyz 2->35 37 19 other IPs or domains 2->37 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected FormBook 2->49 53 5 other signatures 2->53 11 Confirmation Transfer Copy.exe 3 2->11         started        signatures3 51 Performs DNS queries to domains with low reputation 35->51 process4 file5 31 C:\...\Confirmation Transfer Copy.exe.log, ASCII 11->31 dropped 14 Confirmation Transfer Copy.exe 11->14         started        process6 signatures7 63 Maps a DLL or memory area into another process 14->63 17 f1rF4DkToTUeaR.exe 14->17 injected process8 process9 19 subst.exe 13 17->19         started        signatures10 55 Tries to steal Mail credentials (via file / registry access) 19->55 57 Tries to harvest and steal browser information (history, passwords, etc) 19->57 59 Modifies the context of a thread in another process (thread injection) 19->59 61 4 other signatures 19->61 22 vsMAyaD6fbaBcC.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 39 www.030057500.xyz 161.97.142.144, 49725, 49726, 49728 CONTABODE United States 22->39 41 www.pompsy.online 77.222.61.204, 49766, 49767, 49768 SWEB-ASRU Russian Federation 22->41 43 11 other IPs or domains 22->43 29 WerFault.exe 4 25->29         started        process13
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.29 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-01-09 16:19:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
04d0203d755db0ea7ad019917e64f3cc2c7f15a87eea3d37b429cdfe633e46b0
MD5 hash:
dae86586287ab94a1d2ebb27ac84d9f3
SHA1 hash:
c854a31ad9fc92812e7667ca354dd2e6e016fa0e
SH256 hash:
b30fe7969a58ac30c32eb1d0337efa5c0a2e616fcec0b8f977450d96e2c7cd26
MD5 hash:
6b882dcd066275a7cd38191cd89013a1
SHA1 hash:
1099ab669e1b7ee7700b3172df1689a06d2e0332
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
4778b77c5c543e7bca9173becb5b811ebfff3cb35238a934664f9571c3e17a8c
MD5 hash:
3370f9b232249d2c63bfc28f181695c5
SHA1 hash:
1cbebb49fd4ebb1110eaa173fb258336dec808c8
SH256 hash:
184ba525b8d431718ae50faf9150dcf3ae9b8f9dad693ea685ec8572952b5b17
MD5 hash:
913cc52cadd996320844848dbabc4d59
SHA1 hash:
cf400dac08522e10b40a8926a508d825403f0109
SH256 hash:
b38893b11c81a925f632b6ad1d94c33e299d67989e824078f3463fc9d0106da7
MD5 hash:
e321beb2782167185a5f5704f4000ab2
SHA1 hash:
80ab07d240d36939221e2acf19a6644d6303c809
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: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 04d0203d755db0ea7ad019917e64f3cc2c7f15a87eea3d37b429cdfe633e46b0

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments