MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3f0db807199f2c11edacf8fa4a177b047b984f1fb5e85418c43d64c63bddf6d. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3f0db807199f2c11edacf8fa4a177b047b984f1fb5e85418c43d64c63bddf6d
SHA3-384 hash: c586d3e90356bfe14e63c04d5cd377767b269acad8fff0c1e1bd07169dd8e0cc92d2e89c2863a048b6a92853fe6a7811
SHA1 hash: 2fc139d82fb8eccba2b7a98a66504e75d54811d3
MD5 hash: 0cbe6bd3494ac1a989ab74a828d93a37
humanhash: moon-fish-vegan-echo
File name:rcotizacion_75549.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:910'848 bytes
First seen:2025-08-13 20:00:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:AQ17znnf4isKk+XPplQeGZ2A8T9W+ZgN6cqNCfwdSxFGXrmQpO+6/5xLUrhfUWqf:fhnnf4iBXXB9GsAgBgwnMw4x4XCQw
TLSH T16B15DF9C3141B89FC457C9758968DEFCA5202CA7B61BDE03B1D72D8BB82D5938E052E3
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 04d2d0c06c743800 (9 x Formbook, 1 x RemcosRAT, 1 x VIPKeylogger)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_e3f0db807199f2c11edacf8fa4a177b047b984f1fb5e85418c43d64c63bddf6d.exe
Verdict:
No threats detected
Analysis date:
2025-08-13 20:01:18 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/c5cab1cd-28c1-4a7c-9bc5-91aaeae658e2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/21211/
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689ceeea31e468d937249bc8
Tags:
shell micro spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e3f0db807199f2c11edacf8fa4a177b047b984f1fb5e85418c43d64c63bddf6d
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1fc3cfc-cb4c-45e0-85d6-90122c498081
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e3f0db807199f2c11edacf8fa4a177b047b984f1fb5e85418c43d64c63bddf6d
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.83 Win 32 Exe x86
Link:
https://app.malva.re/file/0cbe6bd3494ac1a989ab74a828d93a37
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e3f0db807199f2c11edacf8fa4a177b047b984f1fb5e85418c43d64c63bddf6d/
Verdict:
Malicious
Threat:
VHO:Trojan.MSIL.Taskun
Link:
https://tip.neiki.dev/file/e3f0db807199f2c11edacf8fa4a177b047b984f1fb5e85418c43d64c63bddf6d
Threat name:
ByteCode-MSIL.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-08-13 20:00:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4pynxadrthzmchw2z6h2jilxwbd3tbhr7npikqmmipleyy5535wq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250813-yq8psagq3y/
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/b7d57648-6e67-4413-9416-50be070a103a
Unpacked files
SH256 hash:
e3f0db807199f2c11edacf8fa4a177b047b984f1fb5e85418c43d64c63bddf6d
MD5 hash:
0cbe6bd3494ac1a989ab74a828d93a37
SHA1 hash:
2fc139d82fb8eccba2b7a98a66504e75d54811d3
Link:
https://www.unpac.me/results/8c6e2139-ed36-476c-8bff-62c1f915e424/
SH256 hash:
fde30410a7425e0befde8b27d851c000bcf480468547d88f6e8c31faf51816db
MD5 hash:
60e7a01b046c98068fd64296cc4bf8b3
SHA1 hash:
192359f5c638e0265a2e717dbc9761d526223ce2
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/8c6e2139-ed36-476c-8bff-62c1f915e424/
SH256 hash:
e833b4c040a54da76ec316ed0a58bd962c104ecfaf27de4113af7d3e7246a3a9
MD5 hash:
ad7cf108545cde32ec3ee332ce267e83
SHA1 hash:
39aeb72728b1c9e64593766e73435886fdd485b0
Link:
https://www.unpac.me/results/8c6e2139-ed36-476c-8bff-62c1f915e424/
SH256 hash:
9485dba36ff93583b154f4ab11730ed448f7ee199d2203e0166349e8a3640ef7
MD5 hash:
ccfd69f655d4d803882b790df1d2be62
SHA1 hash:
813de8f1af8fedc5fec1f608824b2d7fec05f830
Link:
https://www.unpac.me/results/8c6e2139-ed36-476c-8bff-62c1f915e424/
SH256 hash:
7fdb90f50f25a2ee61893a56a53cadba49274b71143bff854d40a104f53ea6e9
MD5 hash:
6a9e392389d0ad136892b19d8355c7ac
SHA1 hash:
3b9a9bee21adb3f0dc2caa82cf048589b0848639
Link:
https://www.unpac.me/results/8c6e2139-ed36-476c-8bff-62c1f915e424/
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e3f0db807199/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/e3f0db807199f2c11edacf8fa4a177b047b984f1fb5e85418c43d64c63bddf6d

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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

Executable exe e3f0db807199f2c11edacf8fa4a177b047b984f1fb5e85418c43d64c63bddf6d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/21211/

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

Comments