MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4bf3a107af69bbbc1ace1972e497847e2464ab843a32ca2074726f4d338cc82. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4bf3a107af69bbbc1ace1972e497847e2464ab843a32ca2074726f4d338cc82
SHA3-384 hash: 5dd731ce2b02fd2c7c4e9664368b479e95ca05312e9149070d89e579049edef71062f6e7908717561f686e82a554a6d9
SHA1 hash: 107b563ffc4caefe7a1c5c7b16b246aca6ca0ed6
MD5 hash: 55cc203313637e54376ae21b20d27fbf
humanhash: victor-fifteen-east-earth
File name:oFSJjSHkoGi463P.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:680'960 bytes
First seen:2024-10-17 07:06:42 UTC
Last seen:2024-10-17 07:39:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:W1RveBYTucjdVk2MZfuupPu1EJKf4aHslipImo7A7eX4GeV4+b7RMS1:W1RWBYhxofH1uD4kslJW9b
TLSH T103E42344A1CF4938E5AF03B8641413CA47B14227EF95A3D93BEDF4D73AA77194A90B23
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
369
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
oFSJjSHkoGi463P.exe
Verdict:
No threats detected
Analysis date:
2024-10-17 09:27:52 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/78c76576-826b-44dc-b3f2-495c494a4c64

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30242.16293.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6710b79f1d4ef219fa63a372
Tags:
Micro
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed vbnet
Link:
https://www.filescan.io/uploads/6710b79ab56b3999c74ae7b7/reports/13c76162-5f68-46fb-8db5-abe9042e02c2/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/d4bf3a107af69bbbc1ace1972e497847e2464ab843a32ca2074726f4d338cc82
Result
Verdict:
SUSPICIOUS
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/9b6a4614-37ab-4ad3-858a-21a57b8cc2a9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1535736
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d4bf3a107af69bbbc1ace1972e497847e2464ab843a32ca2074726f4d338cc82
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d4bf3a107af69bbbc1ace1972e497847e2464ab843a32ca2074726f4d338cc82/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-10-17 07:07:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2s7tued262n3xqnm4gls4slyi7remsvyiorsziqhi4tpjuzyzsba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241017-h3h2wszhnp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1683654e-8903-4235-8bd9-f3d473b95559
Unpacked files
SH256 hash:
74534b560fc973a6301642b9974f0a289c9b1ed06176315479f49d4eb5576c41
MD5 hash:
c582745c97b3f31d9b559bb5d735e293
SHA1 hash:
4bdeee443091446bd31d093b76cd76478da84d49
Link:
https://www.unpac.me/results/f2ec78e6-c925-4b5f-94fa-84eb52efb9ce/
SH256 hash:
1dff06715a3058f489d8e328808c5476481ec23b7bcbc6166bf86d96515cb592
MD5 hash:
c66afc354330d2e2c0a54eac06b20171
SHA1 hash:
99b5ee9ffdf0f390c8e849969caa8b12a505e0a5
Link:
https://www.unpac.me/results/f2ec78e6-c925-4b5f-94fa-84eb52efb9ce/
SH256 hash:
c9f1b44b46f038cdc41159ee23837d60f0b78f21a1bc37373c4c8fdaebe551f9
MD5 hash:
3211533f8f6cfba4f3d06e63602e2999
SHA1 hash:
4cf3f6d1d4fe3941291bf689748f760d222e41a8
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/f2ec78e6-c925-4b5f-94fa-84eb52efb9ce/
Parent samples :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 hash:
b2ce50324b8e2eeaa8cff98f795b4f9e72463643ac5c6b7f9fb5477492c9fc24
MD5 hash:
0fd0fa7f510d1aa11f0e07c8b14c0f5a
SHA1 hash:
35b279873701097f49386298ed549ff67095a2c2
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/f2ec78e6-c925-4b5f-94fa-84eb52efb9ce/
SH256 hash:
d4bf3a107af69bbbc1ace1972e497847e2464ab843a32ca2074726f4d338cc82
MD5 hash:
55cc203313637e54376ae21b20d27fbf
SHA1 hash:
107b563ffc4caefe7a1c5c7b16b246aca6ca0ed6
Link:
https://www.unpac.me/results/f2ec78e6-c925-4b5f-94fa-84eb52efb9ce/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d4bf3a107af6/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/d4bf3a107af69bbbc1ace1972e497847e2464ab843a32ca2074726f4d338cc82

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
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 d4bf3a107af69bbbc1ace1972e497847e2464ab843a32ca2074726f4d338cc82

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (HIGH_ENTROPY_VA)high

Comments