MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b662371c1c5432f0afe379c120312a067671bbc44157971350df21d0c59e5cc1. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b662371c1c5432f0afe379c120312a067671bbc44157971350df21d0c59e5cc1
SHA3-384 hash: 7a6ea6662111804d9703e474ceaedce1c50b0d9cd064e2ea0e104271baee4a516a0bf698b4548852f0761b9e5a4a74b5
SHA1 hash: 75c0e5dc8185fe6c5d325396dfd21f45b2fd205d
MD5 hash: 8cc7d1772a9d786f9ce2c2c9deb2752e
humanhash: lake-sixteen-vegan-red
File name:Orden PO-4501226854_WJO-001, pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'134'592 bytes
First seen:2025-04-29 08:57:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ffe7b248240defe21896c8d271200bda (1 x DBatLoader, 1 x Formbook)
ssdeep 24576:slwjEt7zniGaXXJEQ4kLckCLeqdjrig/M3pQ:sqoiPYkCjNrQ3pQ
Threatray 32 similar samples on MalwareBazaar
TLSH T19835AE22E04054F2D4273A389C1B6B98A67A7D302D2DE8495EED7F9C1B36780F6365D3
TrID 38.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
28.2% (.EXE) Win64 Executable (generic) (10522/11/4)
12.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon d8f8f0f0c0d0c0c0 (6 x DBatLoader, 1 x Formbook, 1 x VenomRAT)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
551
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Orden PO-4501226854_WJO-001, pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-04-29 09:00:11 UTC
Tags:
delphi
Link:
https://app.any.run/tasks/a4ccc1e2-8720-4295-9cfc-92bb597b8c98

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/4948/
Detection(s):
Win.Trojan.Modiloader-10042434-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681095e5cc5fb3600cc45dd0
Tags:
delphi emotet
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Connection attempt to an infection source
Query of malicious DNS domain
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context borland_delphi fingerprint keylogger packed
Link:
https://www.filescan.io/uploads/681094a246fe05453ca9c0ee/reports/ead994ad-d46d-4a37-98fd-7080c63fc0c6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/b662371c1c5432f0afe379c120312a067671bbc44157971350df21d0c59e5cc1
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2c1d7a81-b2e3-4f80-9382-d3230190c2b0
Result
Threat name:
DBatLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1677137
Signature
Allocates many large memory junks
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Drops or copies cmd.exe with a different name (likely to bypass HIPS)
Drops PE files to the user root directory
Drops PE files with a suspicious file extension
Found direct / indirect Syscall (likely to bypass EDR)
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)
Sample uses process hollowing technique
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
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)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1677137 Sample: Orden PO-4501226854_WJO-001... Startdate: 29/04/2025 Architecture: WINDOWS Score: 100 52 www.mebuceiop.xyz 2->52 54 www.logicalcomputer.xyz 2->54 56 8 other IPs or domains 2->56 68 Suricata IDS alerts for network traffic 2->68 70 Antivirus / Scanner detection for submitted sample 2->70 72 Multi AV Scanner detection for submitted file 2->72 76 7 other signatures 2->76 10 Orden PO-4501226854_WJO-001, pdf.exe 6 2->10         started        signatures3 74 Performs DNS queries to domains with low reputation 54->74 process4 dnsIp5 60 mastertechnics.co.rs 195.252.110.146, 443, 49710, 49711 BEOTEL-AShttpwwwbeotelnetRS Serbia 10->60 50 C:\Users\user\Links\xeiozofA.pif, PE32 10->50 dropped 96 Writes to foreign memory regions 10->96 98 Allocates memory in foreign processes 10->98 100 Sample uses process hollowing technique 10->100 102 Allocates many large memory junks 10->102 15 xeiozofA.pif 10->15         started        18 cmd.exe 1 10->18         started        20 cmd.exe 1 10->20         started        file6 signatures7 process8 signatures9 104 Detected unpacking (changes PE section rights) 15->104 106 Maps a DLL or memory area into another process 15->106 22 XHLeKGXlJgvqC.exe 15->22 injected 108 Uses ping.exe to sleep 18->108 110 Uses ping.exe to check the status of other devices and networks 18->110 25 esentutl.exe 2 18->25         started        28 conhost.exe 18->28         started        30 alpha.pif 2 18->30         started        32 alpha.pif 2 18->32         started        34 PING.EXE 1 20->34         started        37 conhost.exe 20->37         started        process10 dnsIp11 78 Found direct / indirect Syscall (likely to bypass EDR) 22->78 39 control.exe 13 22->39         started        48 C:\Users\Public\alpha.pif, PE32 25->48 dropped 80 Drops PE files to the user root directory 25->80 82 Drops PE files with a suspicious file extension 25->82 84 Drops or copies cmd.exe with a different name (likely to bypass HIPS) 25->84 58 127.0.0.1 unknown unknown 34->58 file12 signatures13 process14 signatures15 86 Tries to steal Mail credentials (via file / registry access) 39->86 88 Tries to harvest and steal browser information (history, passwords, etc) 39->88 90 Modifies the context of a thread in another process (thread injection) 39->90 92 3 other signatures 39->92 42 XHLeKGXlJgvqC.exe 39->42 injected 46 firefox.exe 39->46         started        process16 dnsIp17 62 www.mebuceiop.xyz 103.106.67.112, 49729, 49730, 49731 VOYAGERNET-AS-APVoyagerInternetLtdNZ New Zealand 42->62 64 www.logicalcomputer.xyz 13.248.169.48, 49724, 49725, 49726 AMAZON-02US United States 42->64 66 2 other IPs or domains 42->66 94 Found direct / indirect Syscall (likely to bypass EDR) 42->94 signatures18
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b662371c1c5432f0afe379c120312a067671bbc44157971350df21d0c59e5cc1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b662371c1c5432f0afe379c120312a067671bbc44157971350df21d0c59e5cc1/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-04-29 06:59:38 UTC
File Type:
PE (Exe)
Extracted files:
67
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wzrdoha4kqzpbl7dphasamjkaz3hdo6eiflzoe2q34q5brm6ltaq._file
Verdict:
malicious
Label(s):
dbatloader
Create hunting rule
Similar samples:
03b17e6fe6ce874c0cf78b2e560f5fb4106e07ce33799632b2e1bbf24e9fb371
Formbook
107f5b7d95b1d5da610d6716545e5646f0c2b60e6e26e1bd835a862c6afb3dee
Formbook
3107d53f9e37c496f08e3742c379976a80f7297c192aba5b8eb7c5f29af18f33
Formbook
5ddc67666eea4a860efdaf22ece623349f2428fda3b39f809d6b0db61d0f2f1b
Formbook
609466fcae46344a419e4811e83b5299e2b94107bc1956bf71713764a153b1c0
Formbook
9195f22b8899a2e762b0c3fb1e8c16841159644608b4fca8a963c1d95adaa365
Formbook
96882b077a607f34cd963461341d728982e2075ffd4891f1b91e915da904cfe0
Formbook
d9980559077d0cf6e251608efa44277ac5cd2b64236ecc31b352a93992e2f2b7
Formbook
error
Formbook
+ 22 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader discovery trojan
Link:
https://tria.ge/reports/250429-kw74jszn16/
Behaviour
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
Verdict:
Malicious
Tags:
Win.Trojan.Modiloader-10042434-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2dccd0ef-8fae-471c-9693-d6cdd48a4e24
Unpacked files
SH256 hash:
b662371c1c5432f0afe379c120312a067671bbc44157971350df21d0c59e5cc1
MD5 hash:
8cc7d1772a9d786f9ce2c2c9deb2752e
SHA1 hash:
75c0e5dc8185fe6c5d325396dfd21f45b2fd205d
Link:
https://www.unpac.me/results/e782c90c-c078-4b0c-8077-6d3d5bb19bbf/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/b662371c1c5432f0afe379c120312a067671bbc44157971350df21d0c59e5cc1

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Generic_Threat_d7b57912
Create hunting rule
Author:Elastic Security

File information

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

Malspam

Formbook

Executable exe b662371c1c5432f0afe379c120312a067671bbc44157971350df21d0c59e5cc1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/4948/

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_TRUST_APIUses Windows Trust APIwintrust.dll::WinVerifyTrust
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::EmptyClipboard
user32.dll::FindWindowA
user32.dll::OpenClipboard
user32.dll::PeekMessageA

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