MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d0ffda3bc2a977c2d4f2a60a466c0535221b81dbefe7a54b508faef19e31376. 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



Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 6 File information Comments 1

SHA256 hash: 4d0ffda3bc2a977c2d4f2a60a466c0535221b81dbefe7a54b508faef19e31376
SHA3-384 hash: d1c7f09f1a3d240904a8862840a0f590c30c05b718d6b7d066ccfac0047496a7cb32793151bb4913ecf9f9e1e6f7cd14
SHA1 hash: 1c804a6eb1d76badeb388d33961c872a24dbb65e
MD5 hash: 61728bbdda288ef4ad058010348340b0
humanhash: idaho-lima-red-earth
File name:61728bbdda288ef4ad058010348340b0
Download: download sample
File size:3'276'288 bytes
First seen:2024-10-15 20:28:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:qUMXXrZm8nOzzvTH3lMnhCiL9eKGAr7TY3SOB6eSe1GwEXRXxfMypLrbti196:q
TLSH T1F8E5AEE8D06F40C2FC076EC568287EC74B3236738EE50428276E7A085F7BDA9554DE5A
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 zbetcheckin
Tags:32 exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
385
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
61728bbdda288ef4ad058010348340b0
Verdict:
Malicious activity
Analysis date:
2024-10-15 20:29:54 UTC
Tags:
purecrypter netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Vmdetect Micro Msil
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1534470 Sample: pg6TMBUXhi.exe Startdate: 15/10/2024 Architecture: WINDOWS Score: 100 37 18.31.95.13.in-addr.arpa 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 Yara detected AntiVM3 2->41 43 .NET source code contains potential unpacker 2->43 45 3 other signatures 2->45 7 pg6TMBUXhi.exe 1 4 2->7         started        11 cvchost.exe 2 2->11         started        13 cvchost.exe 2 2->13         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\cvchost.exe, PE32 7->33 dropped 35 C:\Users\user\...\cvchost.exe:Zone.Identifier, ASCII 7->35 dropped 47 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->47 49 Writes to foreign memory regions 7->49 51 Allocates memory in foreign processes 7->51 15 InstallUtil.exe 7->15         started        17 InstallUtil.exe 7->17         started        19 InstallUtil.exe 7->19         started        27 7 other processes 7->27 53 Antivirus detection for dropped file 11->53 55 Machine Learning detection for dropped file 11->55 57 Injects a PE file into a foreign processes 11->57 21 InstallUtil.exe 11->21         started        23 InstallUtil.exe 11->23         started        25 InstallUtil.exe 11->25         started        29 7 other processes 11->29 31 10 other processes 13->31 signatures6 process7
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2024-10-15 20:29:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Adds Run key to start application
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
042847cd75b418e7c495159f950d87a97c3dff34c73feb21157676b00bf8d94f
MD5 hash:
a800a73a6bd47d625f503590b9135280
SHA1 hash:
e4b02b31a0c715aa89945360ebd25d46f24d6842
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
4d0ffda3bc2a977c2d4f2a60a466c0535221b81dbefe7a54b508faef19e31376
MD5 hash:
61728bbdda288ef4ad058010348340b0
SHA1 hash:
1c804a6eb1d76badeb388d33961c872a24dbb65e
Detections:
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Executable exe 4d0ffda3bc2a977c2d4f2a60a466c0535221b81dbefe7a54b508faef19e31376

(this sample)

  
Delivery method
Distributed via web download

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 (GUARD_CF)high

Comments



Avatar
zbet commented on 2024-10-15 20:28:04 UTC

url : hxxp://37.221.67.152/sparta/bringconcentrate.exe