MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00. 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 4 File information Comments
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SHA256 hash: 4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00
SHA3-384 hash: ef75ce56fb5689960619b98da28ccff3e649e6e1d1c7e6a03eb8ccf1ce8bca3821f6c5ac99c4d224839351d7fa8a808b
SHA1 hash: bed48e4ff3b169b8ab79af619c47f00d4d6ef460
MD5 hash: c13a31f39f4de6f4373b06d799b36ee1
humanhash: iowa-georgia-uranus-oranges
File name:SecuriteInfo.com.Win32.CrypterX-gen.29913.30159
Download: download sample
Signature Formbook
Create hunting rule
File size:766'976 bytes
First seen:2024-09-05 03:22:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:gqdBj0z1nz6T1UoIG5MPU0wOqp06mCPyP4xLUzPimndzQ+ww4pegX3VNXr4T50Lk:A6pUobyTkpVjyP4xLUWmn5cWgHHKck97
TLSH T15EF4128233A43E6BCC7B40BB50270AD26AF5AC299570EB921FC6727F4CB77516122347
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 00a282a2a282a200 (17 x Formbook, 11 x AgentTesla, 4 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
398
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.29913.30159
Verdict:
Suspicious activity
Analysis date:
2024-09-05 03:23:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b2d35108-a148-451a-95f8-29a8445ccf2b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d9241af3d7ccf99f9004c7
Tags:
Execution Network Static Stealth Kryptik
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/493c3e79-2754-4894-9f6b-64b00bf16831
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1504613
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 dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
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 domain / URL
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)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1504613 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 05/09/2024 Architecture: WINDOWS Score: 100 59 www.ata2024.xyz 2->59 61 www.xn--mjru74buk5boca.store 2->61 63 12 other IPs or domains 2->63 81 Multi AV Scanner detection for domain / URL 2->81 83 Suricata IDS alerts for network traffic 2->83 85 Found malware configuration 2->85 89 13 other signatures 2->89 11 xXAxpzEH.exe 5 2->11         started        14 SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe 7 2->14         started        signatures3 87 Performs DNS queries to domains with low reputation 59->87 process4 file5 91 Antivirus detection for dropped file 11->91 93 Multi AV Scanner detection for dropped file 11->93 95 Machine Learning detection for dropped file 11->95 97 Switches to a custom stack to bypass stack traces 11->97 17 xXAxpzEH.exe 11->17         started        20 schtasks.exe 1 11->20         started        22 xXAxpzEH.exe 11->22         started        51 C:\Users\user\AppData\Roaming\xXAxpzEH.exe, PE32 14->51 dropped 53 C:\Users\...\xXAxpzEH.exe:Zone.Identifier, ASCII 14->53 dropped 55 C:\Users\user\AppData\Local\...\tmp8DBD.tmp, XML 14->55 dropped 57 SecuriteInfo.com.W...29913.30159.exe.log, ASCII 14->57 dropped 99 Uses schtasks.exe or at.exe to add and modify task schedules 14->99 101 Adds a directory exclusion to Windows Defender 14->101 103 Tries to detect virtualization through RDTSC time measurements 14->103 24 powershell.exe 23 14->24         started        26 schtasks.exe 1 14->26         started        28 SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe 14->28         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 17->71 73 Maps a DLL or memory area into another process 17->73 75 Sample uses process hollowing technique 17->75 79 2 other signatures 17->79 30 explorer.exe 67 1 17->30 injected 34 conhost.exe 20->34         started        77 Loading BitLocker PowerShell Module 24->77 36 WmiPrvSE.exe 24->36         started        38 conhost.exe 24->38         started        40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        process9 dnsIp10 65 oketoto.pro 67.223.118.13, 49741, 80 VIMRO-AS15189US United States 30->65 67 www.wearepartisan.rocks 91.195.240.94, 49744, 80 SEDO-ASDE Germany 30->67 69 6 other IPs or domains 30->69 113 System process connects to network (likely due to code injection or exploit) 30->113 44 systray.exe 30->44         started        signatures11 process12 signatures13 105 Modifies the context of a thread in another process (thread injection) 44->105 107 Maps a DLL or memory area into another process 44->107 109 Tries to detect virtualization through RDTSC time measurements 44->109 111 Switches to a custom stack to bypass stack traces 44->111 47 cmd.exe 1 44->47         started        process14 process15 49 conhost.exe 47->49         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-09-05 03:23:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iripq7i5smhhplyqxdxouafc6lbeehyqgxsc5gh2a4x6znltlyaa._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:h209 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240905-dxgjnasbnr/
Behaviour
Scheduled Task/Job: Scheduled Task
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/58b5fd43-a7c1-4d86-b71d-d46bae71451c
Unpacked files
SH256 hash:
95e264cbd37cf84a578fae84d207fdd550db3323527593b9f12febe688b6b72e
MD5 hash:
6a2178802bff3c383ea1bf7cf87093f1
SHA1 hash:
f9b0c4ab0eee0cde59f21f0b3fdd11ede7fd0ac9
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/2124b225-5bc3-4c43-b3ff-880ac9ab2756/
Parent samples :
e1153fa8e128ce45bc1fd82c073aa9724653ae65a621f7accf41a7b4ea542906
94f29a8158717b4c268b41e8eb72bc7301f2d4578dc41a06deabe79ff8e767dd
d281b712bf3960b42fc0e9d0997fbbc545f1113f1097dc87b91712bb5ecd4df5
ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a
4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00
SH256 hash:
749cd66837be79a7ea30c098f9bb7f546bdbc77d129fa13363356e9bc2979500
MD5 hash:
6c7a705109a44329254373e90ac070bd
SHA1 hash:
bee75ff92efebada46cebf16d40433f272c22707
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/2124b225-5bc3-4c43-b3ff-880ac9ab2756/
SH256 hash:
ae6f4dd27563ce5d52f7183dcf33b7f0c46d822ce0aa765d9192a3f0368dc7e1
MD5 hash:
e6617b01800f253f0b5c524b3c3b195d
SHA1 hash:
5f8a40688d44f15cf0752867ae5aa9798a2cddb2
Link:
https://www.unpac.me/results/2124b225-5bc3-4c43-b3ff-880ac9ab2756/
SH256 hash:
4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00
MD5 hash:
c13a31f39f4de6f4373b06d799b36ee1
SHA1 hash:
bed48e4ff3b169b8ab79af619c47f00d4d6ef460
Link:
https://www.unpac.me/results/2124b225-5bc3-4c43-b3ff-880ac9ab2756/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4450f87d1d93/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/4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00

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:pe_imphash
Create hunting rule
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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