MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a2a8a4a03bac4f9e786d71b4ab69a4b49553a29d1ce2a121545c0513957047f. 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: 17


Intelligence 17 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a2a8a4a03bac4f9e786d71b4ab69a4b49553a29d1ce2a121545c0513957047f
SHA3-384 hash: 24db57e4e867eb894a99741fe9a1127a705428a5c0ab60f838e1a4aecb4658f4c3ed2e67b3c09596d302b95760d92b7b
SHA1 hash: 7d1da22452d933356278328bed35d9ce2302c24d
MD5 hash: 73694fc4dfa2d1791e9bf085f697d465
humanhash: don-magnesium-cola-steak
File name:Inquiry W.O. No- 2542 12-10-2025 PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'827'840 bytes
First seen:2025-10-12 09:36:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:cfzJUjF8JUWPzzp7k9wLbR0tSVT7rX3sXp/nd6WwTpeqYEFxtzAUfWRBA22nvWu:c28JUWP54gvrMxdhIeqYEzhfWRO22
Threatray 1 similar samples on MalwareBazaar
TLSH T12B85E1D1BEACA51FD46A6B39D0F7162007F4A962DB32EF4A081415C90653703BDE26FB
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 threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
182
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Inquiry W.O. No- 2542 12-10-2025 PDF.exe
Verdict:
Malicious activity
Analysis date:
2025-10-12 09:36:28 UTC
Tags:
auto-startup
Link:
https://app.any.run/tasks/d2413eab-ba4c-4f6e-a680-61877f7f8684

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/32463/
Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68eb76a9777ae46bec41d108
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 obfuscated packed reconnaissance
Link:
https://www.filescan.io/uploads/68eb76a471883144ef329598/reports/416ce6fc-5b46-414d-8733-541c80b1172f/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/5a2a8a4a03bac4f9e786d71b4ab69a4b49553a29d1ce2a121545c0513957047f
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-12T04:57:00Z UTC
Last seen:
2025-10-14T07:10:00Z UTC
Hits:
~1000
Detections:
Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.bnan Trojan-PSW.Win32.Stealer.sb Trojan-Spy.Win32.Noon.sb Trojan-PSW.MSIL.PureLogs.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Dnoper.sb Trojan.MSIL.Agent.sb VHO:Backdoor.Win32.Androm.gen Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.MSIL.Agentb.sb HEUR:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/5a2a8a4a03bac4f9e786d71b4ab69a4b49553a29d1ce2a121545c0513957047f/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e52e59dd-a32b-47f5-a3d1-7180d9fd906a
Result
Threat name:
FormBook, PureLog Stealer, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1793536
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops VBS files to the startup folder
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected PureLog Stealer
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1793536 Sample: Inquiry W.O. No- 2542 12-10... Startdate: 12/10/2025 Architecture: WINDOWS Score: 100 42 www.xrwebsite.xyz 2->42 44 www.sipsocks.xyz 2->44 46 8 other IPs or domains 2->46 58 Antivirus detection for URL or domain 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Yara detected ResolverRAT 2->62 66 11 other signatures 2->66 11 Inquiry W.O. No- 2542 12-10-2025 PDF.exe 5 2->11         started        15 wscript.exe 1 2->15         started        signatures3 64 Performs DNS queries to domains with low reputation 44->64 process4 file5 38 C:\Users\user\AppData\Roaming\uae.exe, PE32 11->38 dropped 40 C:\Users\user\AppData\Roaming\...\uae.vbs, ASCII 11->40 dropped 76 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->76 17 InstallUtil.exe 11->17         started        78 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->78 20 uae.exe 2 15->20         started        signatures6 process7 signatures8 54 Maps a DLL or memory area into another process 17->54 22 LDzW1taY.exe 17->22 injected 56 Multi AV Scanner detection for dropped file 20->56 24 InstallUtil.exe 20->24         started        process9 process10 26 subst.exe 13 22->26         started        signatures11 68 Tries to steal Mail credentials (via file / registry access) 26->68 70 Tries to harvest and steal browser information (history, passwords, etc) 26->70 72 Modifies the context of a thread in another process (thread injection) 26->72 74 3 other signatures 26->74 29 c7y538GdDINi.exe 26->29 injected 32 chrome.exe 26->32         started        34 firefox.exe 26->34         started        process12 dnsIp13 48 pgmoon88.xyz 3.33.130.190, 80 AMAZONEXPANSIONGB United States 29->48 50 www.favorapi.xyz 13.248.169.48, 49724, 49731, 49732 AMAZON-02US United States 29->50 52 4 other IPs or domains 29->52 36 WerFault.exe 4 32->36         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5a2a8a4a03bac4f9e786d71b4ab69a4b49553a29d1ce2a121545c0513957047f
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.23 Win 32 Exe x86
Link:
https://app.malva.re/file/73694fc4dfa2d1791e9bf085f697d465
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a2a8a4a03bac4f9e786d71b4ab69a4b49553a29d1ce2a121545c0513957047f/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/5a2a8a4a03bac4f9e786d71b4ab69a4b49553a29d1ce2a121545c0513957047f
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-10-12 08:33:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=liviusqdxlcptz4g24nuvnu2jnevkorj2hhcueqvixafcokxar7q._file
Verdict:
malicious
Label(s):
unc_loader_078
Create hunting rule
Similar samples:
5a2a8a4a03bac4f9e786d71b4ab69a4b49553a29d1ce2a121545c0513957047f
Formbook
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/251012-lk3kcshm5x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9de1f13c-b722-4afb-a571-138479b79f45
Unpacked files
SH256 hash:
5a2a8a4a03bac4f9e786d71b4ab69a4b49553a29d1ce2a121545c0513957047f
MD5 hash:
73694fc4dfa2d1791e9bf085f697d465
SHA1 hash:
7d1da22452d933356278328bed35d9ce2302c24d
Link:
https://www.unpac.me/results/4239e594-d81c-4ac1-8f2d-282e30bced69/
SH256 hash:
3144f638785de86bd198bd2e0a763f56b888356dae48f6228ccf819981913750
MD5 hash:
68cee35efc7d6adb76e7d5d4b5741810
SHA1 hash:
11a1448de14e84f7f1442db29e77947ce14e70a7
Link:
https://www.unpac.me/results/4239e594-d81c-4ac1-8f2d-282e30bced69/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/4239e594-d81c-4ac1-8f2d-282e30bced69/
SH256 hash:
74acb3a39d1480f2c2eaf2507916b4bbd09e93bfb235508a49a9f1e42af5bfbb
MD5 hash:
2a39e218ebf414ae4a2119d9579f6017
SHA1 hash:
6220273869a8c67f208099c82b973043136fba44
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4239e594-d81c-4ac1-8f2d-282e30bced69/
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/5a2a8a4a03bac4f9e786d71b4ab69a4b49553a29d1ce2a121545c0513957047f

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(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 5a2a8a4a03bac4f9e786d71b4ab69a4b49553a29d1ce2a121545c0513957047f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/32463/

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