MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b137c0a7b65d1d2c443e92327e10f87e17d18aa8218fa7efca92aa91df0267. 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


Cybergate


Vendor detections: 11


Intelligence 11 IOCs 1 YARA 10 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91b137c0a7b65d1d2c443e92327e10f87e17d18aa8218fa7efca92aa91df0267
SHA3-384 hash: d3468366e70964371c63d84e4438c3d1fa318025a816a2c81e03fdd368f8bcca51ed8d3c25b84a1600d29437cce54472
SHA1 hash: 2f320c94c6e039fc7a571ec326cf0cd6a213245e
MD5 hash: 8cf6ac8ad136ccae49b2aa0a9effdf80
humanhash: massachusetts-hydrogen-moon-early
File name:91B137C0A7B65D1D2C443E92327E10F87E17D18AA8218.exe
Download: download sample
Signature Cybergate
Create hunting rule
File size:289'792 bytes
First seen:2021-05-15 00:46:04 UTC
Last seen:2021-05-15 01:04:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f21919df8c135fa94fea2cd91994244f (1 x Cybergate)
ssdeep 6144:74ABF94OrpAuO/50BTnyZsSaXhh4XAS79hO9R0O91FG+h:0UEGLyWSKaAS79MEqfG0
Threatray 28 similar samples on MalwareBazaar
TLSH 6D54F162B580DAB7D2140DFC5C19D688B25E7A323D3B699BBADC0F4CC9BD2C05E1D186
Reporter abuse_ch
Tags:CyberGate exe


Avatar
abuse_ch
Cybergate C2:
92.116.52.0:51008

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
92.116.52.0:51008 https://threatfox.abuse.ch/ioc/42626/

Intelligence

File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
91B137C0A7B65D1D2C443E92327E10F87E17D18AA8218.exe
Verdict:
Malicious activity
Analysis date:
2021-05-15 00:50:05 UTC
Tags:
trojan rebhip spyrat cybergate
Link:
https://app.any.run/tasks/11fd408e-0c85-469b-9b86-a46bd9c876df

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CyberGate
Create hunting rule
Link:
https://www.capesandbox.com/analysis/157238/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Launching a process
Creating a window
Unauthorized injection to a recently created process
Deleting a recently created file
Enabling the 'hidden' option for recently created files
Replacing files
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Delayed writing of the file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun
Unauthorized injection to a system process
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:
CyberGate
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/782509
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contain functionality to detect virtual machines
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Contains functionality to steal Internet Explorer form passwords
Creates a thread in another existing process (thread injection)
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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)
Writes to foreign memory regions
Yara detected CyberGate RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 414906 Sample: 91B137C0A7B65D1D2C443E92327... Startdate: 15/05/2021 Architecture: WINDOWS Score: 100 45 ggib1.dyndns.org 2->45 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 13 other signatures 2->53 10 91B137C0A7B65D1D2C443E92327E10F87E17D18AA8218.exe 5 4 2->10         started        signatures3 process4 file5 41 C:\Windows\SysWOW64\...\wuauclt.exe, PE32 10->41 dropped 43 C:\Windows\...\wuauclt.exe:Zone.Identifier, ASCII 10->43 dropped 59 Creates an undocumented autostart registry key 10->59 61 Contain functionality to detect virtual machines 10->61 63 Contains functionality to inject threads in other processes 10->63 65 8 other signatures 10->65 14 explorer.exe 10->14         started        17 91B137C0A7B65D1D2C443E92327E10F87E17D18AA8218.exe 3 4 10->17         started        19 explorer.exe 1 10->19 injected 21 iexplore.exe 10->21         started        signatures6 process7 signatures8 67 Contains functionality to inject threads in other processes 14->67 23 wuauclt.exe 3 14->23         started        27 wuauclt.exe 14->27         started        29 wuauclt.exe 8 17->29         started        process9 file10 37 C:\Users\user\AppData\Roaming\...\wuauclt.exe, PE32 23->37 dropped 39 C:\Users\user\...\wuauclt.exe:Zone.Identifier, ASCII 23->39 dropped 55 Drops executables to the windows directory (C:\Windows) and starts them 23->55 57 Injects a PE file into a foreign processes 23->57 31 wuauclt.exe 23->31         started        33 WerFault.exe 29->33         started        signatures11 process12 process13 35 WerFault.exe 21 9 31->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91b137c0a7b65d1d2c443e92327e10f87e17d18aa8218fa7efca92aa91df0267/
Threat name:
Win32.Worm.Rebhip
Create hunting rule
Status:
Malicious
First seen:
2021-05-14 00:15:04 UTC
AV detection:
29 of 29 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgytpqfhwzor2lceh2jde7qq7b7bpumkvaqy7j7pzkjkveo7ajtq._file
Verdict:
malicious
Similar samples:
0eb12e969ec43debe5949bace35a26eabaa8f854ae3440180b6b74f8654a7b1d
Cybergate
3a32a74e76e2844a515009139d75ec4ae6d785f5850ddcd3cf6cd1bd99604378
Cybergate
3eba0dc8845aed9cb930bab85515af193da93dffff8a2def181c92999b7afeb8
Cybergate
5b3bb026ad01ea693afc1e8c7669fd478258ee335bee9baff31a8edf691b8b4c
Cybergate
61c2d5a213f1b68ef98f2800f02697650ccf28eb38ec07635f0bffcdf18a803a
Cybergate
ae7bf3a82ad6c39368d217f27e26739d757d5f09e70ba3fa8d65e6e2171d0ab7
Cybergate
baaef35c43e34186c7e2ff97f998e41692498a2c60f78eb294bf71ae7fe1e16b
Cybergate
c39988c4fafdf620330e857eae7838a41bd6132200fc677847fa33dcd4f7118a
Cybergate
e5293306e26acee08b59796c2a80b2e9e36f4ec027016a908b4beb24f83bd8e7
Cybergate
ebfcc36e36933bf6454937c260a1370cd3ece3b67d7abbf66ec9eb4d2892dd79
Cybergate
+ 18 additional samples on MalwareBazaar
Result
Malware family:
cybergate
Create hunting rule
Score:
  10/10
Tags:
family:cybergate persistence stealer trojan upx
Link:
https://tria.ge/reports/210515-2lmmkjbq9j/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Adds policy Run key to start application
Executes dropped EXE
Modifies Installed Components in the registry
UPX packed file
CyberGate Payload
CyberGate, Rebhip
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
CyberGate
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/91b137c0a7b65d1d2c443e92327e10f87e17d18aa8218fa7efca92aa91df0267

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:INDICATOR_SUSPICIOUS_EXE_SandboxProductID
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox product IDs
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Malware_QA_update
Create hunting rule
Author:Florian Roth
Description:VT Research QA uploaded malware - file update.exe
Reference:VT Research QA
Rule name:MALWARE_Win_CyberGate
Create hunting rule
Author:ditekSHen
Description:Detects CyberGate/Spyrat/Rebhip RTA
Rule name:RAT_CyberGate
Create hunting rule
Author:Kevin Breen <kevin@techanarchy.net>
Description:Detects CyberGate RAT
Reference:http://malwareconfig.com/stats/CyberGate
Rule name:Steam_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Steam in files like avemaria
Rule name:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:VMware_detection_bin_mem
Create hunting rule
Author:James_inthe_box
Description:VMWare detection
Rule name:win_cybergate_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_cybergate_w0
Create hunting rule
Author: Kevin Breen <kevin@techanarchy.net>

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/157238/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-15 00:59:43 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.035] Anti-Behavioral Analysis::Process Environment Block BeingDebugged
1) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
2) [B0007] Anti-Behavioral Analysis::Sandbox Detection
3) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
4) [B0009.025] Anti-Behavioral Analysis::Unique Hardware/Firmware Check - I/O Communication Port
5) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection
6) [F0002.001] Collection::Application Hook
7) [F0002.002] Collection::Polling
8) [C0029.002] Cryptography Micro-objective::SHA1::Cryptographic Hash
9) [C0029] Cryptography Micro-objective::Cryptographic Hash
10) [C0027] Cryptography Micro-objective::Encrypt Data
11) [C0026.002] Data Micro-objective::XOR::Encode Data
13) [B0023] Execution::Install Additional Program
14) [C0045] File System Micro-objective::Copy File
15) [C0046] File System Micro-objective::Create Directory
16) [C0047] File System Micro-objective::Delete File
17) [C0049] File System Micro-objective::Get File Attributes
18) [C0051] File System Micro-objective::Read File
19) [C0050] File System Micro-objective::Set File Attributes
20) [C0052] File System Micro-objective::Writes File
21) [C0007] Memory Micro-objective::Allocate Memory
22) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
23) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
24) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
25) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
26) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
27) [C0042] Process Micro-objective::Create Mutex
28) [C0017.003] Process Micro-objective::Create Suspended Process::Create Process
29) [C0017] Process Micro-objective::Create Process
30) [C0038] Process Micro-objective::Create Thread
31) [C0041] Process Micro-objective::Set Thread Local Storage Value
32) [C0018] Process Micro-objective::Terminate Process