MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 784ce0e82c852d420792062fc2370bfed13b8b846bbc126bfd5f6e3f5d1a2c67. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 784ce0e82c852d420792062fc2370bfed13b8b846bbc126bfd5f6e3f5d1a2c67
SHA3-384 hash: 0a75eaf808bff87125f035314e6210d1fa31d4b32a8f17f75d98c051ecaddcd7cdf3673d2594c662ca2f8776dde13bbe
SHA1 hash: 01d14a6d97934e12f8d29c237da72c542b78bdaa
MD5 hash: 6893600a7066d33bd7944bdd59891aec
humanhash: wyoming-romeo-football-zulu
File name:RFQ - 5321.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:880'640 bytes
First seen:2025-08-14 15:40:05 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:rzLOwUN9f3ZrUXwUSVyUmyRWSc/WmaMH1bFLxzKMNPwmytVmU1zYur1g+wCQ1pug:XB+xrbydyRWS6DHPUMNY5vm0xC3Ckr
TLSH T14A1512D72A05D207DD65BF784DB2C3F5D362DE89A800C307A9D9FE8B3A36D11295C162
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
dhash icon 72d0d4e0e4d4f022 (3 x Formbook, 1 x AgentTesla, 1 x SnakeKeylogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_784ce0e82c852d420792062fc2370bfed13b8b846bbc126bfd5f6e3f5d1a2c67.exe
Verdict:
No threats detected
Analysis date:
2025-08-14 15:41:15 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/5c87f6c8-8c4b-41f5-9aab-7fd97e71e6d2

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/21430/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689e038748c64d68735c66b0
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/784ce0e82c852d420792062fc2370bfed13b8b846bbc126bfd5f6e3f5d1a2c67
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/83ce5a19-af15-411d-b14b-97b73230e70e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1757208
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
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
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1757208 Sample: RFQ - 5321.exe Startdate: 14/08/2025 Architecture: WINDOWS Score: 100 33 www.weixinqq1204.xyz 2->33 35 www.jojexa.xyz 2->35 37 20 other IPs or domains 2->37 39 Suricata IDS alerts for network traffic 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected FormBook 2->43 47 5 other signatures 2->47 10 RFQ - 5321.exe 3 2->10         started        signatures3 45 Performs DNS queries to domains with low reputation 35->45 process4 file5 25 C:\Users\user\AppData\...\RFQ - 5321.exe.log, ASCII 10->25 dropped 57 Injects a PE file into a foreign processes 10->57 14 RFQ - 5321.exe 10->14         started        signatures6 process7 signatures8 59 Maps a DLL or memory area into another process 14->59 17 dIbtHi0T8wwI6.exe 14->17 injected process9 dnsIp10 27 rilovacarshomes.shop 15.197.225.128, 49708, 49709, 49710 TANDEMUS United States 17->27 29 e5697.a.akamaiedge.net 23.50.74.38, 49736, 49737, 49738 GTT-BACKBONEGTTDE United States 17->29 31 13 other IPs or domains 17->31 20 grpconv.exe 13 17->20         started        process11 signatures12 49 Tries to steal Mail credentials (via file / registry access) 20->49 51 Tries to harvest and steal browser information (history, passwords, etc) 20->51 53 Modifies the context of a thread in another process (thread injection) 20->53 55 2 other signatures 20->55 23 firefox.exe 20->23         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/784ce0e82c852d420792062fc2370bfed13b8b846bbc126bfd5f6e3f5d1a2c67
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.30 Win 32 Exe x86
Link:
https://app.malva.re/file/6893600a7066d33bd7944bdd59891aec
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/784ce0e82c852d420792062fc2370bfed13b8b846bbc126bfd5f6e3f5d1a2c67/
Verdict:
Malicious
Threat:
Trojan.MSIL.Taskun
Link:
https://tip.neiki.dev/file/784ce0e82c852d420792062fc2370bfed13b8b846bbc126bfd5f6e3f5d1a2c67
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 05:57:42 UTC
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pbgob2bmquwueb4sayx4enyl73itxc4eno6be275l5xd6xi2frtq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250814-s4ljhswpw7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/494e6e0a-ae62-4ac8-8699-2e0f151d0655
Unpacked files
SH256 hash:
784ce0e82c852d420792062fc2370bfed13b8b846bbc126bfd5f6e3f5d1a2c67
MD5 hash:
6893600a7066d33bd7944bdd59891aec
SHA1 hash:
01d14a6d97934e12f8d29c237da72c542b78bdaa
Link:
https://www.unpac.me/results/7c68e47c-366a-40a4-a8f4-53b13ead5454/
SH256 hash:
ae9636466d21decb91b7506adffce283e2652a10b4a54a665f6fe95362401f8e
MD5 hash:
99cbfdf6df98b1f5871eab4e7ad72ce6
SHA1 hash:
1810136683336172ac6c7c253eacf180e3384689
Link:
https://www.unpac.me/results/7c68e47c-366a-40a4-a8f4-53b13ead5454/
SH256 hash:
a94074ce8b9f42959f6dabc29712ebfa8b8a0b9e48e3bc4c5f98a33ccbf0e581
MD5 hash:
c301079fbfa3d3eb56321f110cbba0bd
SHA1 hash:
39132fec4949bf8f5c0f6ceb9bb36a9dab679dfa
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/7c68e47c-366a-40a4-a8f4-53b13ead5454/
SH256 hash:
929f07dc02c773e4bd51ce7405e2bc3d8460b0b2c3315875d7dc00a3c4814745
MD5 hash:
9a5507d165f8688348dad24bf793a9f9
SHA1 hash:
6cf4b8abe496742a573302805565bad9df84d1e8
Link:
https://www.unpac.me/results/7c68e47c-366a-40a4-a8f4-53b13ead5454/
SH256 hash:
dd01957fe2016f5fc67db0625bc57e43f4d1eca9ba5b882f716cefd2af909b27
MD5 hash:
ab86226bf69bdd4360b16fd73b1da3be
SHA1 hash:
776dc1c27f9fe51e1a297af1291f8f8639e345ce
Link:
https://www.unpac.me/results/7c68e47c-366a-40a4-a8f4-53b13ead5454/
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/784ce0e82c85/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/784ce0e82c852d420792062fc2370bfed13b8b846bbc126bfd5f6e3f5d1a2c67

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:pe_imphash
Create hunting rule
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 784ce0e82c852d420792062fc2370bfed13b8b846bbc126bfd5f6e3f5d1a2c67

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/21430/

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