MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb7e3d141ff3851b74b24c265fd94db17a9571bb6686fe2f47bd12d053d88309. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb7e3d141ff3851b74b24c265fd94db17a9571bb6686fe2f47bd12d053d88309
SHA3-384 hash: 51c129fc1b11fbf29e0418cacd16d160c8b9d495a42b588a6516dec1dc6d22091553618e8f2349ee4e3cc8980524cd69
SHA1 hash: 58502126a8326e18e0b8af64ad994a11236bd26d
MD5 hash: 0fd9d696429fdaf19a5994d3b6387c42
humanhash: thirteen-summer-berlin-echo
File name:loader.exe
Download: download sample
File size:14'160'423 bytes
First seen:2021-05-15 14:50:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b0d2bcfaf69e32f6189b93d5e3f439ad (1 x Demonware, 1 x BlackKingdom, 1 x CobaltStrike)
ssdeep 393216:m5PcbXCpS9c5hlERflh2psAdZYyz/mrnkFSL:6cgeEhktQpsAdZawc
Threatray 55 similar samples on MalwareBazaar
TLSH DCE63314620120EED475113E1571470098B27DEF9BE3D11FAA7813B91B939EE6EFABE0
Reporter r3dbU7z
Tags:exe zbot

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'091
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
loader.exe
Verdict:
No threats detected
Analysis date:
2021-05-15 14:53:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1efeec8f-558b-49b5-b571-8eec32246489

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Using the Windows Management Instrumentation requests
Sending a UDP request
Launching a process
Running batch commands
Creating a process with a hidden window
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Creating a file
Blocking the Windows Defender launch
Blocking the User Account Control
Enabling autorun
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/782796
Signature
Adds a directory exclusion to Windows Defender
Creates an undocumented autostart registry key
Disables Windows Defender (via service or powershell)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 415192 Sample: loader.exe Startdate: 15/05/2021 Architecture: WINDOWS Score: 72 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->61 8 loader.exe 99 2->8         started        process3 file4 43 C:\Users\user\AppData\...\loader.exe.manifest, XML 8->43 dropped 45 C:\Users\user\AppData\Local\...\win32ui.pyd, PE32+ 8->45 dropped 47 C:\Users\user\AppData\...\win32trace.pyd, PE32+ 8->47 dropped 49 73 other files (none is malicious) 8->49 dropped 63 Adds a directory exclusion to Windows Defender 8->63 65 Disables Windows Defender (via service or powershell) 8->65 12 loader.exe 6 8->12         started        signatures5 process6 dnsIp7 51 176.31.13.179, 49747, 49748, 80 OVHFR France 12->51 67 Creates an undocumented autostart registry key 12->67 69 Adds a directory exclusion to Windows Defender 12->69 71 Disables Windows Defender (via service or powershell) 12->71 16 cmd.exe 1 12->16         started        19 cmd.exe 1 12->19         started        21 cmd.exe 12->21         started        23 3 other processes 12->23 signatures8 process9 signatures10 53 Adds a directory exclusion to Windows Defender 16->53 55 Disables Windows Defender (via service or powershell) 16->55 25 powershell.exe 23 16->25         started        27 conhost.exe 16->27         started        29 powershell.exe 22 19->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 powershell.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 23->39         started        41 3 other processes 23->41 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb7e3d141ff3851b74b24c265fd94db17a9571bb6686fe2f47bd12d053d88309/
Threat name:
Win64.Trojan.Zeus
Create hunting rule
Status:
Malicious
First seen:
2021-04-23 20:30:06 UTC
AV detection:
10 of 29 (34.48%)
Threat level:
  5/5
Verdict:
malicious
Similar samples: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 45 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence pyinstaller trojan
Link:
https://tria.ge/reports/210515-89gk7gnmnn/
Behaviour
Kills process with taskkill
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Detects Pyinstaller
Drops file in System32 directory
Loads dropped DLL
Downloads MZ/PE file
Drops file in Drivers directory
Executes dropped EXE
Modifies WinLogon for persistence
Suspicious use of NtCreateUserProcessOtherParentProcess
UAC bypass
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/fb7e3d141ff3851b74b24c265fd94db17a9571bb6686fe2f47bd12d053d88309

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:PE_File_pyinstaller
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Description:Detect PE file produced by pyinstaller
Reference:https://isc.sans.edu/diary/21057
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller.

File information

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

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-15 15:02:18 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection
1) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
2) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
3) [C0032.005] Data Micro-objective::Adler::Checksum
4) [C0060] Data Micro-objective::Compression Library
5) [C0026.002] Data Micro-objective::XOR::Encode Data
7) [C0046] File System Micro-objective::Create Directory
8) [C0048] File System Micro-objective::Delete Directory
9) [C0047] File System Micro-objective::Delete File
10) [C0051] File System Micro-objective::Read File
11) [C0052] File System Micro-objective::Writes File
12) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
13) [C0040] Process Micro-objective::Allocate Thread Local Storage
14) [C0017] Process Micro-objective::Create Process
15) [C0041] Process Micro-objective::Set Thread Local Storage Value
16) [C0018] Process Micro-objective::Terminate Process