MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e4d309ea6393d0740a3bd93c83b208ac59b3ddf2626bb279942ac48003454de. 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 5 File information Comments
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SHA256 hash: 3e4d309ea6393d0740a3bd93c83b208ac59b3ddf2626bb279942ac48003454de
SHA3-384 hash: 2920b081e00bed1a06585648e5968b548dc8173c9c994b6d1da7a66f8babc86f8a1c3ce1ac4a7b373c3bc3f282b4eb76
SHA1 hash: 6ef86605b307b98eadaf156856ec083d50a1165d
MD5 hash: 00f166485a5b7506eacbc8a738a2d395
humanhash: leopard-mountain-cardinal-maine
File name:0nazQxrt5MZ5BRK.exe
Download: download sample
Signature Formbook
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File size:788'992 bytes
First seen:2024-09-05 15:54:54 UTC
Last seen:2024-09-05 17:20:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:+sW1UoIG5MPUhlym+48U6f5sTvXeZkA76XYH9QLqgbfe23:OUobywl9+pUFOZkA+IH9Qnbf73
TLSH T1F8F4CF8D63108297F0582B75C56A3F1503301D7D75C2EBD8FAA57A6BAEE2BE6143301B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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
File icon (PE):PE icon
dhash icon 6dd2d312dbc8cc49 (94 x Formbook, 5 x AgentTesla)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
475
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
0nazQxrt5MZ5BRK.exe
Verdict:
Malicious activity
Analysis date:
2024-09-05 16:05:57 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/29b8b883-0770-4e00-a990-dda926cc8504

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed2.47849.22704.17170.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d9d457f3d7ccf99f901962
Tags:
Generic Network Static Stealth Kryptik
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed vbnet
Link:
https://www.filescan.io/uploads/66d9d45b362fc34773905ce9/reports/57af32ac-90de-4136-96de-89916fa96898/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/3e4d309ea6393d0740a3bd93c83b208ac59b3ddf2626bb279942ac48003454de
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d3723d98-850c-489a-a0fa-283fcca1c21f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1505056
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Machine Learning detection for sample
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 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: CMSTP Execution Process Creation
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1505056 Sample: 0nazQxrt5MZ5BRK.exe Startdate: 05/09/2024 Architecture: WINDOWS Score: 100 37 www.ishanaudichya.xyz 2->37 39 www.as-eltransport.xyz 2->39 41 13 other IPs or domains 2->41 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 57 10 other signatures 2->57 11 0nazQxrt5MZ5BRK.exe 3 2->11         started        signatures3 55 Performs DNS queries to domains with low reputation 39->55 process4 file5 35 C:\Users\user\...\0nazQxrt5MZ5BRK.exe.log, ASCII 11->35 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Switches to a custom stack to bypass stack traces 11->63 15 0nazQxrt5MZ5BRK.exe 11->15         started        18 0nazQxrt5MZ5BRK.exe 11->18         started        20 0nazQxrt5MZ5BRK.exe 11->20         started        22 0nazQxrt5MZ5BRK.exe 11->22         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 2 other signatures 15->79 24 explorer.exe 59 1 15->24 injected process9 dnsIp10 43 parkingpage.namecheap.com 91.195.240.19, 49739, 80 SEDO-ASDE Germany 24->43 45 shops.myshopify.com 23.227.38.74, 49738, 80 CLOUDFLARENETUS Canada 24->45 47 2 other IPs or domains 24->47 59 System process connects to network (likely due to code injection or exploit) 24->59 28 cmstp.exe 24->28         started        signatures11 process12 signatures13 65 Modifies the context of a thread in another process (thread injection) 28->65 67 Maps a DLL or memory area into another process 28->67 69 Tries to detect virtualization through RDTSC time measurements 28->69 71 Switches to a custom stack to bypass stack traces 28->71 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3e4d309ea6393d0740a3bd93c83b208ac59b3ddf2626bb279942ac48003454de
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3e4d309ea6393d0740a3bd93c83b208ac59b3ddf2626bb279942ac48003454de/
Threat name:
ByteCode-MSIL.Trojan.Generic
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Status:
Suspicious
First seen:
2024-09-05 15:55:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hzgtbhvghe6qoqfdxwj4qozarlczwpo7eytlwj4zikweqabuktpa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:he2a discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/240905-tcrrwstfqm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2885757e-6350-406f-b42e-811a5d31d7cd
Unpacked files
SH256 hash:
f921549a051b326f6d4ed173ffb1cf7f42a7425c640f891ae6f41a8e99159e01
MD5 hash:
a6f4a41a3de1225afe98389d2669eb1d
SHA1 hash:
2ebd66b8fc73b977bb7089bd07f9eb334d8167c2
Detections:
FormBook
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win_formbook_g0
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win_formbook_auto
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win_formbook_w0
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Formbook
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Link:
https://www.unpac.me/results/49713ab6-90ce-4b72-9464-ceedddd09e29/
Parent samples :
cc1b719f0ae40d0b53765aae8480474dbc7277428f56184d2dc94a0de5fbbf67
76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd
3c9bf33caa6aa11b1c87c50e1f0ae212744089508829a898bf7d9e7a3720d751
3e4d309ea6393d0740a3bd93c83b208ac59b3ddf2626bb279942ac48003454de
9f67248a754e414ffb2361932c591abe39581b21a20d51ccb46db5e534a9531c
761930655c92d23751075c7399bc4d384270fdeab881a8c486de0362a976b4d0
SH256 hash:
b792be2ce875510a2e3585f2dbfcf153a2362fddae2a15fa6bc2e20e7cce3c13
MD5 hash:
025757abb9762d6fdb66051f40dea27d
SHA1 hash:
fa86c40f1c0cec6202661d6d29b0ce306634f27a
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/49713ab6-90ce-4b72-9464-ceedddd09e29/
SH256 hash:
150c6e7de31574a3dc8c09d743987ec2c43c9bd0e6aecbf91042722359e3adc0
MD5 hash:
48815524d9fe314ab98f8df0b182908f
SHA1 hash:
a0e4dded97841cded11dce2a1b84670be882f22c
Link:
https://www.unpac.me/results/49713ab6-90ce-4b72-9464-ceedddd09e29/
SH256 hash:
3e4d309ea6393d0740a3bd93c83b208ac59b3ddf2626bb279942ac48003454de
MD5 hash:
00f166485a5b7506eacbc8a738a2d395
SHA1 hash:
6ef86605b307b98eadaf156856ec083d50a1165d
Link:
https://www.unpac.me/results/49713ab6-90ce-4b72-9464-ceedddd09e29/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3e4d309ea639/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3e4d309ea6393d0740a3bd93c83b208ac59b3ddf2626bb279942ac48003454de

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:AgentTesla_DIFF_Common_Strings_01
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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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 3e4d309ea6393d0740a3bd93c83b208ac59b3ddf2626bb279942ac48003454de

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

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