MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b09cd99f77589db2c229244b7f5c5d8d53113155439b8c41963e36581f35e0c. 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: 20


Intelligence 20 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b09cd99f77589db2c229244b7f5c5d8d53113155439b8c41963e36581f35e0c
SHA3-384 hash: 8d82df6bbecdfa48abbc82cde772b7627bd2a36c861badac8e3376515c2e6fd90e73d1553be4bac96a13dfc96a1d4dea
SHA1 hash: 0f1d22fb60a327c19a1acf6e382376aaedac25dd
MD5 hash: 1657ac909f8abcf171e6f282d3904205
humanhash: winner-may-whiskey-tennis
File name:RFQ_URGENT_ITEMS_PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:747'528 bytes
First seen:2025-10-28 15:10:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:/Nmq/NRijZ5lyk6Kg/M9b6CDh4xVcViONJsMKQ2qdOpjJEOy9kR:Vm6RijZjq4b6CV4YV1NJRJ2qdOlmQ
TLSH T11EF412002719EA03D66517B109B0F2741BBA7D96B820C35ADEDA7EEFBA76F144844B13
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 :
1
# of downloads :
136
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_7b09cd99f77589db2c229244b7f5c5d8d53113155439b8c41963e36581f35e0c.exe
Verdict:
Suspicious activity
Analysis date:
2025-10-28 15:11:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/02eb3a34-99c9-4afe-b4d6-86bfc137bd83

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/34519/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6900dd00706befaf4ec9afab
Tags:
virus spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Launching a process
Creating a file
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
darkcloud expired-cert invalid-signature krypt masquerade packed signed unsafe vbnet
Link:
https://www.filescan.io/uploads/6900dd0eb9750464d4b947e6/reports/4f751912-b52b-453f-bd0a-4821c2db041e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7b09cd99f77589db2c229244b7f5c5d8d53113155439b8c41963e36581f35e0c
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-28T04:46:00Z UTC
Last seen:
2025-10-29T11:34:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan-PSW.MSIL.DarkCloud.gen Backdoor.Agent.HTTP.C&C Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb VHO:Trojan.MSIL.Convagent.gen PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Crypt.sb Trojan-Spy.Noon.HTTP.ServerRequest
Link:
https://opentip.kaspersky.com/7b09cd99f77589db2c229244b7f5c5d8d53113155439b8c41963e36581f35e0c/results?tab=lookup
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fdbf9b1f-68d2-4051-933d-e56340e61364
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1803311
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious PE digital signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
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
Loading BitLocker PowerShell Module
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Process Parents
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1803311 Sample: RFQ_URGENT_ITEMS_PDF.exe Startdate: 28/10/2025 Architecture: WINDOWS Score: 100 40 www.katiesgeary.xyz 2->40 42 www.bhl55.xyz 2->42 44 17 other IPs or domains 2->44 52 Suricata IDS alerts for network traffic 2->52 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for submitted file 2->56 60 7 other signatures 2->60 11 RFQ_URGENT_ITEMS_PDF.exe 4 2->11         started        signatures3 58 Performs DNS queries to domains with low reputation 42->58 process4 file5 38 C:\Users\...\RFQ_URGENT_ITEMS_PDF.exe.log, ASCII 11->38 dropped 70 Writes to foreign memory regions 11->70 72 Allocates memory in foreign processes 11->72 74 Adds a directory exclusion to Windows Defender 11->74 76 Injects a PE file into a foreign processes 11->76 15 MSBuild.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 78 Maps a DLL or memory area into another process 15->78 20 g5FSeAmsZ1s.exe 15->20 injected 80 Loading BitLocker PowerShell Module 18->80 22 WmiPrvSE.exe 18->22         started        24 conhost.exe 18->24         started        process9 process10 26 certutil.exe 13 20->26         started        signatures11 62 Tries to steal Mail credentials (via file / registry access) 26->62 64 Tries to harvest and steal browser information (history, passwords, etc) 26->64 66 Modifies the context of a thread in another process (thread injection) 26->66 68 3 other signatures 26->68 29 C7Cewrdlu38y.exe 26->29 injected 32 chrome.exe 26->32         started        34 firefox.exe 26->34         started        process12 dnsIp13 46 zxuyj111-1.32b2yjhrzxe8.com 156.234.27.102, 49741, 49742, 49743 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 29->46 48 www.kaivo.life 203.161.57.148, 49737, 49738, 49739 VNPT-AS-VNVNPTCorpVN Malaysia 29->48 50 9 other IPs or domains 29->50 36 WerFault.exe 4 32->36         started        process14
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7b09cd99f77589db2c229244b7f5c5d8d53113155439b8c41963e36581f35e0c
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.50 Win 32 Exe x86
Link:
https://app.malva.re/file/1657ac909f8abcf171e6f282d3904205
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b09cd99f77589db2c229244b7f5c5d8d53113155439b8c41963e36581f35e0c/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/7b09cd99f77589db2c229244b7f5c5d8d53113155439b8c41963e36581f35e0c
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-10-28 07:22:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pme43gpxowe5wlbcsjclp5of3dktceyvkq43rrazmprwlaptlyga._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
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/251028-skhnhsg14b/
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/8a6e5cef-bb10-4681-b83d-b504b0c1e32d
Unpacked files
SH256 hash:
7b09cd99f77589db2c229244b7f5c5d8d53113155439b8c41963e36581f35e0c
MD5 hash:
1657ac909f8abcf171e6f282d3904205
SHA1 hash:
0f1d22fb60a327c19a1acf6e382376aaedac25dd
Link:
https://www.unpac.me/results/f9fda7fb-0003-4981-982e-bb35fd438670/
SH256 hash:
81c878e71a82aa8f4175648d188a1f75acf99cd0b02ef0f48e814fb4f44f0fc0
MD5 hash:
2c401550efe4777b67fa67fb7cecdfbc
SHA1 hash:
e5515434b9685499ad38499f4b59ed8c017b88b4
Link:
https://www.unpac.me/results/f9fda7fb-0003-4981-982e-bb35fd438670/
SH256 hash:
b2666ac02e87d4d7da0c01d0b3be78ac39b7ab5a33ea46bee6367cace8c742dc
MD5 hash:
8e34f6f822147460ca2d48a903814103
SHA1 hash:
f40c727808261076d7ebfed384e2165ff54236d0
Link:
https://www.unpac.me/results/f9fda7fb-0003-4981-982e-bb35fd438670/
SH256 hash:
21dec2058616f6bd91cc5a1c6714b062bbf532631aca67044fad08b1edd4c824
MD5 hash:
928170ae4819e8ddcfc31c54e6a3626f
SHA1 hash:
fc6c61d1b71f8b6f1ef97d8e4ff5f17eb39419c6
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/f9fda7fb-0003-4981-982e-bb35fd438670/
SH256 hash:
23e974271a5c0ec57112ffd5bbf2c6e859840fd4e9f85856092c57a18a4d0d1d
MD5 hash:
68dec98dd94971c23209b0f882c5406b
SHA1 hash:
1f2d3e71d3052053df4bc7cb653c2325b594dacb
Link:
https://www.unpac.me/results/f9fda7fb-0003-4981-982e-bb35fd438670/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b09cd99f775/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/7b09cd99f77589db2c229244b7f5c5d8d53113155439b8c41963e36581f35e0c

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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

File information

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

Malspam

Formbook

Executable exe 7b09cd99f77589db2c229244b7f5c5d8d53113155439b8c41963e36581f35e0c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34519/

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