MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdc4524cb10912160c584d8a05d97833bea27c7805de8b43e3d5e4347b29f1a8. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdc4524cb10912160c584d8a05d97833bea27c7805de8b43e3d5e4347b29f1a8
SHA3-384 hash: 794906309f693e16a1797f8b866c24a186c85da03c398dd271423c77d34a59963459c65155e02101dec91ab4ddbc7672
SHA1 hash: e16f37495bfe8b2ae6cf6b8dffd56dcfab14bee9
MD5 hash: 409ce7de2eafbc2739c17fb603f07bd7
humanhash: nine-alpha-asparagus-victor
File name:C-Invoice & Packing List.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:905'736 bytes
First seen:2025-05-02 09:39:21 UTC
Last seen:2025-05-02 13:12:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:/iaw1J++J+QJ+Tvs0rHTv2TryZRygG5P/xIFeAWg/lkMXLZvmSjWAD3ddqfQdXQq:/C+y+w+Ls4HmUYIFeAiwZPDtRb
Threatray 4'995 similar samples on MalwareBazaar
TLSH T13A15F1487604EA4FC9434E328952E9B066206C5FEE07C2436ADB3FDFB83DF559A04796
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 cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
2
# of downloads :
474
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
C-Invoice & Packing List.r15
Verdict:
Malicious activity
Analysis date:
2025-05-02 09:40:52 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/905b71f2-e8b5-4f30-aa1f-ad11ca5cb04b

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/5750/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.26070.24754.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6814965b4355f44aee68517d
Tags:
injection spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature masquerade obfuscated obfuscated packed signed
Link:
https://www.filescan.io/uploads/681492fa0b64e174c4149184/reports/da62e6d8-cbed-429e-a04f-ce9dbda02f1f/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/fdc4524cb10912160c584d8a05d97833bea27c7805de8b43e3d5e4347b29f1a8
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3bcf6938-a2ad-4a3c-871a-0f0ec55deccb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1679767
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1679767 Sample: C-Invoice & Packing List.exe Startdate: 02/05/2025 Architecture: WINDOWS Score: 100 61 www.reshcarluxury.shop 2->61 63 www.qih.tech 2->63 65 5 other IPs or domains 2->65 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for URL or domain 2->81 83 13 other signatures 2->83 11 C-Invoice & Packing List.exe 7 2->11         started        15 FfZPpqiGYkte.exe 5 2->15         started        signatures3 process4 file5 53 C:\Users\user\AppData\...\FfZPpqiGYkte.exe, PE32 11->53 dropped 55 C:\Users\...\FfZPpqiGYkte.exe:Zone.Identifier, ASCII 11->55 dropped 57 C:\Users\user\AppData\Local\...\tmpE62D.tmp, XML 11->57 dropped 59 C:\Users\...\C-Invoice & Packing List.exe.log, ASCII 11->59 dropped 93 Writes to foreign memory regions 11->93 95 Allocates memory in foreign processes 11->95 97 Adds a directory exclusion to Windows Defender 11->97 17 vbc.exe 11->17         started        20 powershell.exe 23 11->20         started        22 powershell.exe 7 11->22         started        24 schtasks.exe 1 11->24         started        99 Antivirus detection for dropped file 15->99 101 Multi AV Scanner detection for dropped file 15->101 103 Injects a PE file into a foreign processes 15->103 26 vbc.exe 15->26         started        28 schtasks.exe 15->28         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 17->67 69 Maps a DLL or memory area into another process 17->69 71 Sample uses process hollowing technique 17->71 75 3 other signatures 17->75 30 explorer.exe 33 2 17->30 injected 73 Loading BitLocker PowerShell Module 20->73 32 conhost.exe 20->32         started        34 WmiPrvSE.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 28->40         started        process9 process10 42 msiexec.exe 30->42         started        45 cmmon32.exe 30->45         started        47 autoconv.exe 30->47         started        signatures11 85 Modifies the context of a thread in another process (thread injection) 42->85 87 Maps a DLL or memory area into another process 42->87 89 Switches to a custom stack to bypass stack traces 42->89 49 cmd.exe 42->49         started        91 Tries to detect virtualization through RDTSC time measurements 45->91 process12 process13 51 conhost.exe 49->51         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fdc4524cb10912160c584d8a05d97833bea27c7805de8b43e3d5e4347b29f1a8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fdc4524cb10912160c584d8a05d97833bea27c7805de8b43e3d5e4347b29f1a8/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-05-02 03:48:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xcfetfrbejbmdcyjwfalwlygo7ke7dyaxpiwq7d2xsdi6zj6gua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
37f0e1197e435fce2311791ff38dff3c9b1332e4485c1648bc654990e7a429d9
Formbook
653e202a0b1a85eccdd95702ebcf2e54035df05616950307d923ba0450bdcb10
Formbook
865d757dbd675369b749dd68b1da5f785900d98d39386376e3464422248fa561
Formbook
95ab39eaf0c052142e609568672d0c472c87cefb1b34e974ff92935bdab75a09
Formbook
error
Formbook
fdc4524cb10912160c584d8a05d97833bea27c7805de8b43e3d5e4347b29f1a8
Formbook
fe425f034245df80aa7de7f613c39ecc9801077ccb38d23f153ba9076c1e6f35
Formbook
+ 4'985 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bi14 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250502-lm9fpaaq8y/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/443d00ed-26e4-4e10-9f57-442fbadcf8f9
Unpacked files
SH256 hash:
fdc4524cb10912160c584d8a05d97833bea27c7805de8b43e3d5e4347b29f1a8
MD5 hash:
409ce7de2eafbc2739c17fb603f07bd7
SHA1 hash:
e16f37495bfe8b2ae6cf6b8dffd56dcfab14bee9
Link:
https://www.unpac.me/results/f52a2182-ca68-4fa9-a1ae-da0b0472c674/
SH256 hash:
ad63153f8f4029659477edb2133f698176d3b8db01b90fbc959464bc090a88bb
MD5 hash:
64f7078671348a36b6e1ffd8db1a1d89
SHA1 hash:
021d8b8e20e494e9e9b51baa9afa4da6171ad507
Link:
https://www.unpac.me/results/f52a2182-ca68-4fa9-a1ae-da0b0472c674/
SH256 hash:
026beadfdf5ce4b51a9515b41b2fcee8e56dfb76bfffb26abe8661875579181b
MD5 hash:
ecc0ebcac982609493958ac15e2c3ec9
SHA1 hash:
e1625a1ee0dd10ccc39cedb60c5b439307529001
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/f52a2182-ca68-4fa9-a1ae-da0b0472c674/
SH256 hash:
d95af64d63e35a6a0c7962b9cf6a1f359f4588e85985129d0da628eb08dc7d77
MD5 hash:
2080a63b6709fdd1d070de2fd2017ed7
SHA1 hash:
67e0b2512ab173b34ff436e5c42552973ff0277e
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/f52a2182-ca68-4fa9-a1ae-da0b0472c674/
Parent samples :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 family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fdc4524cb109/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/fdc4524cb10912160c584d8a05d97833bea27c7805de8b43e3d5e4347b29f1a8

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: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

rar 986be014dc683ceda02bfff1f9349c3b23e909bfae0a98f4da7db2084cd88003

Formbook

Executable exe fdc4524cb10912160c584d8a05d97833bea27c7805de8b43e3d5e4347b29f1a8

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 986be014dc683ceda02bfff1f9349c3b23e909bfae0a98f4da7db2084cd88003
Cape
Cape
https://www.capesandbox.com/analysis/5750/
  
Dropped by
MD5 cee76d60a18ef3f72fb2f76e0840ba26

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 (HIGH_ENTROPY_VA)high

Comments