MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001. 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: 19


Intelligence 19 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001
SHA3-384 hash: 5914300ef56d404cf0a8fa6a5ac6e83f01457c807d014697dd2b694d0d4a28ce3cb5574704217cd491f07f02f79241d5
SHA1 hash: ed76b03d085d9a11a410c4f2bfa056d6c9639176
MD5 hash: 5a7b139855700ca803dbc54daa52567e
humanhash: snake-sink-august-ink
File name:5089124.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:617'472 bytes
First seen:2024-09-24 13:21:52 UTC
Last seen:2024-09-25 06:36:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:QOq8bQbKxrRaWJyBpk5Qs+/hsJntO3XOJWkdzdwSjNenBr0Q+p/PKxxQtmvV:Q0IKxhJwkO/intOOJNdz6ENGBYTZaN
Threatray 3'541 similar samples on MalwareBazaar
TLSH T1F2D412243269D923D1E60F786832C2FC47B86D859912D70B9FD6BDFF78B63685900392
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
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
6
# of downloads :
394
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
5089124.exe
Verdict:
Malicious activity
Analysis date:
2024-09-24 13:23:29 UTC
Tags:
netreactor formbook xloader
Link:
https://app.any.run/tasks/e6acb243-af33-4667-9d4b-2457909d67a0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3061.10687.6322.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f2bd005346c7b922ada8b4
Tags:
Execution Network Stealth Formbook Powershell Phishing Micro Tori
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/66f2bcff9a3c6aa3e1293d5b/reports/0610b524-b009-47c0-b861-8ad58f148f8e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001
Result
Verdict:
UNKNOWN
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/100e1645-1401-4ef9-a3e0-f6f9e6e48167
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1516762
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted 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
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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)
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: Powershell Base64 Encoded MpPreference Cmdlet
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1516762 Sample: 5089124.exe Startdate: 24/09/2024 Architecture: WINDOWS Score: 100 35 www.j16e.xyz 2->35 37 www.yrhbt.shop 2->37 39 9 other IPs or domains 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 49 10 other signatures 2->49 11 5089124.exe 4 2->11         started        signatures3 47 Performs DNS queries to domains with low reputation 35->47 process4 file5 33 C:\Users\user\AppData\...\5089124.exe.log, ASCII 11->33 dropped 59 Adds a directory exclusion to Windows Defender 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 65 Switches to a custom stack to bypass stack traces 11->65 15 5089124.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 75 2 other signatures 15->75 20 explorer.exe 60 1 15->20 injected 73 Loading BitLocker PowerShell Module 18->73 22 WmiPrvSE.exe 18->22         started        24 conhost.exe 18->24         started        process9 process10 26 colorcpl.exe 20->26         started        signatures11 51 Modifies the context of a thread in another process (thread injection) 26->51 53 Maps a DLL or memory area into another process 26->53 55 Tries to detect virtualization through RDTSC time measurements 26->55 57 Switches to a custom stack to bypass stack traces 26->57 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-09-24 12:26:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ei3ynaj4fmtoqrkjkbvbbnr5nj6gdh4zkuopjk5pmnwrlchyuaaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
3c321f4c7feb1233711409ad1fc9371732c24a302d3e5b9cd5e238ab1a638288
Formbook
5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1
Formbook
9244e7f4c9184e0087ea02ee9ae60f70fce3dc9e049956e1a30bbff947bbfb35
Formbook
a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a
Formbook
b71b353da449108a5ed6aac6e44133552651be0099dbba14884af1406874eaa0
Formbook
+ 3'531 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:c24t discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240924-ql8j8awfnq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Verdict:
Malicious
Tags:
formbook
YARA:
n/a
Link:
https://app.threat.zone/submission/04654185-8a75-405f-a339-9a14daa5d7a2
Unpacked files
SH256 hash:
40babe4601da80b05397c6f203e270862747ea19ac9970dc59b3cf0df1d1fb87
MD5 hash:
a361843a96b935377a3e65f049fc50f3
SHA1 hash:
cf3cbeb8e1f17859cb0c08c655a0b23f89bc0cdd
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/5e4bd7a3-d750-486a-9c3b-6d28ceaa3ba0/
Parent samples :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 hash:
5f54dacd422f4b063a925b312838642965bab92dd7235b8c9580a60ef46e5d14
MD5 hash:
8ffbd04efdcdafa0b86ef20fb37c29bb
SHA1 hash:
a7018a31bb74977711f2f4b56e29aa335448914f
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/5e4bd7a3-d750-486a-9c3b-6d28ceaa3ba0/
Parent samples :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 hash:
ab6fd4d0a77855b65475b03a8e19555cfdad5e151a6ac9b7b4f937cf667d2413
MD5 hash:
4902ca2e68d8f10cb574f67668ad9d4b
SHA1 hash:
42a4ce1093dad2564bf5ce69951aaa53ff43f556
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/5e4bd7a3-d750-486a-9c3b-6d28ceaa3ba0/
SH256 hash:
223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001
MD5 hash:
5a7b139855700ca803dbc54daa52567e
SHA1 hash:
ed76b03d085d9a11a410c4f2bfa056d6c9639176
Link:
https://www.unpac.me/results/5e4bd7a3-d750-486a-9c3b-6d28ceaa3ba0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/223786813c2b/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/223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RSharedStrings
Create hunting rule
Author:Katie Kleemola
Description:identifiers for remote and gmremote
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.

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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