MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 519a40b4d78cd118237439ac0a212bbcefc2030a9ca0a6c378dcbac040993edd. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 519a40b4d78cd118237439ac0a212bbcefc2030a9ca0a6c378dcbac040993edd
SHA3-384 hash: dc94b9130243a7ae5954f0845a7ec8651f0b9f9993977090ef0a3d4928b7085350c69857b9ce6bc1f11c84c4f610fd81
SHA1 hash: 93deffd5c532cc22dba199e21ec215f7388e4f86
MD5 hash: ef93f1be460ab8e78d7d879b94a0669b
humanhash: pasta-low-louisiana-two
File name:QUOTATION#00785220.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:958'976 bytes
First seen:2025-10-21 13:18:46 UTC
Last seen:2025-10-22 06:15:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:xOf7OMSh5aihUfilBTmTSRgr9dSk3KQZOSE9LS/kEBER8rezSzYLy3X3uO:xOf7OMcaiiIJ66EJ4SE9LMVP0u3X3N
Threatray 2'113 similar samples on MalwareBazaar
TLSH T1AE1501182B1ADF12D8D51BB548B2D3B853B89D9A6C04D2028FEE7CEB357AF042D25753
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
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
144
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION#00785220.exe
Verdict:
No threats detected
Analysis date:
2025-10-21 13:20:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b3f517fc-22d8-4285-a8e1-247da09a01fb

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/33632/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f7884d3edd081eba4059aa
Tags:
virus krypt msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Сreating synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin packed tracker vbnet
Link:
https://www.filescan.io/uploads/68f788693a79800405ee6b09/reports/c9c22950-5543-451d-8121-5dd715a46958/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/519a40b4d78cd118237439ac0a212bbcefc2030a9ca0a6c378dcbac040993edd
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-21T07:34:00Z UTC
Last seen:
2025-10-23T11:16:00Z UTC
Hits:
~1000
Detections:
VHO:Backdoor.Win32.Agent.gen Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb HEUR:Backdoor.MSIL.Remcos.gen Trojan-Spy.Win32.Noon.sb Trojan-Dropper.Win32.Demp.sb PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb
Link:
https://opentip.kaspersky.com/519a40b4d78cd118237439ac0a212bbcefc2030a9ca0a6c378dcbac040993edd/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75ff52cb-db45-4eeb-bbaa-c1a150e9a3e0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1799132
Signature
.NET source code contains potential unpacker
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)
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: 1799132 Sample: QUOTATION#00785220.exe Startdate: 21/10/2025 Architecture: WINDOWS Score: 100 35 www.alientechnologies.xyz 2->35 37 www.kaivo.life 2->37 39 8 other IPs or domains 2->39 47 Suricata IDS alerts for network traffic 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected FormBook 2->51 55 4 other signatures 2->55 11 QUOTATION#00785220.exe 3 2->11         started        signatures3 53 Performs DNS queries to domains with low reputation 35->53 process4 file5 33 C:\Users\user\...\QUOTATION#00785220.exe.log, ASCII 11->33 dropped 14 vbc.exe 11->14         started        17 vbc.exe 11->17         started        process6 signatures7 65 Maps a DLL or memory area into another process 14->65 19 AOKkyILWCz3Gw.exe 14->19 injected process8 process9 21 tasklist.exe 13 19->21         started        signatures10 57 Tries to steal Mail credentials (via file / registry access) 21->57 59 Tries to harvest and steal browser information (history, passwords, etc) 21->59 61 Modifies the context of a thread in another process (thread injection) 21->61 63 3 other signatures 21->63 24 r9tnWfIykUSlb.exe 21->24 injected 27 chrome.exe 21->27         started        29 firefox.exe 21->29         started        process11 dnsIp12 41 www.kaivo.life 203.161.57.148, 49694, 49695, 49696 VNPT-AS-VNVNPTCorpVN Malaysia 24->41 43 www.alientechnologies.xyz 76.223.54.146, 49703, 49704, 49705 AMAZON-02US United States 24->43 45 3 other IPs or domains 24->45 31 WerFault.exe 4 27->31         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/519a40b4d78cd118237439ac0a212bbcefc2030a9ca0a6c378dcbac040993edd
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.47 Win 32 Exe x86
Link:
https://app.malva.re/file/ef93f1be460ab8e78d7d879b94a0669b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/519a40b4d78cd118237439ac0a212bbcefc2030a9ca0a6c378dcbac040993edd/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/519a40b4d78cd118237439ac0a212bbcefc2030a9ca0a6c378dcbac040993edd
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-10-21 10:45:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgnebngxrtirqi3uhgwauijlxtx4eayktsqknq3y3s5maqezh3oq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
29688877a36107747d055f72f6760d360a6f3715ef32d90f46815838b56e18dc
Formbook
69ae2e849e4b148f879630ae9e3a4f991602cc6a658dd732dd775c31839d69ce
Formbook
8277de2a08c7a135350fa8498699a86bfd28ebf31402908dc523b2eef07084fd
Formbook
8ddf7f818b62b95ca4b60a5177dfe46d00684f3f2b14998b8419f29e081186e7
Formbook
cadb01c8ef061ba418ccf97bfa624986ae7d5032fb7dd2b86da6f6d7e06dd36e
Formbook
cae151fa658bb748d0df462d04cf0aa1b6f06c25de363fa0c6080369c0c2aa97
Formbook
cee3ad80393d6f7f61734717cbd140f584a467a28f39ae08c07e15c40b3b3125
Formbook
error
Formbook
f75c114f83d3d078bd85e7e59cd8a4ed6e8be4a33db6600bd9eda842845ac2fe
Formbook
+ 2'103 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251021-qkssdacj6t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
519a40b4d78cd118237439ac0a212bbcefc2030a9ca0a6c378dcbac040993edd
MD5 hash:
ef93f1be460ab8e78d7d879b94a0669b
SHA1 hash:
93deffd5c532cc22dba199e21ec215f7388e4f86
Link:
https://www.unpac.me/results/0c8c8aad-db64-4e66-bca6-77172164438a/
SH256 hash:
37b8ef05c3896c962375e7c723550a8dba8eb8e62f289530921964b7268a5669
MD5 hash:
68931149e5fb89d02bb3c5b22a688950
SHA1 hash:
3a8c8d334e20aa89fb0d8a4c727a8ca2cdc43663
Link:
https://www.unpac.me/results/0c8c8aad-db64-4e66-bca6-77172164438a/
SH256 hash:
9f2bdadb8926bf6157c7487e994ec28657f9415fd2fdf97a5ba82ba12e24046a
MD5 hash:
0e1119a6df48b550ad1353d136297ef3
SHA1 hash:
3f89b2297c1e0a29932eb25741a51538e005d565
Link:
https://www.unpac.me/results/0c8c8aad-db64-4e66-bca6-77172164438a/
SH256 hash:
0f73ffb00c0210a33c0c9459e854116544fed7f00577c1649687208fdd3ba766
MD5 hash:
c61b28fc0d2e0649c94e1b3bbac96795
SHA1 hash:
7dccf1a00241f19a193aa0781d928515be1e1917
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/0c8c8aad-db64-4e66-bca6-77172164438a/
SH256 hash:
9e2fe769ef6a58a8c2c23a95cb60361a4a973567f9f0f3a40f2b08513cf72520
MD5 hash:
d3a82452858e5e9a189491a56205273e
SHA1 hash:
6dea296dabdd8b62830cba07062222889dfb824f
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/0c8c8aad-db64-4e66-bca6-77172164438a/
Parent samples :
519a40b4d78cd118237439ac0a212bbcefc2030a9ca0a6c378dcbac040993edd
ccd3778fe181869c2e3d909a55f2fe3e409d7f23e0f774dc775d8965dd5e1533
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/519a40b4d78c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/519a40b4d78cd118237439ac0a212bbcefc2030a9ca0a6c378dcbac040993edd

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

File information

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

Malspam

Formbook

Executable exe 519a40b4d78cd118237439ac0a212bbcefc2030a9ca0a6c378dcbac040993edd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33632/

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