cybergate | b2b76e42d5cf52da05eccd94c6af194a0b7105232948c8071fd9104775e6c5e6

Analysis

max time kernel
187s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 03:20

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General

Target
b2b76e42d5cf52da05eccd94c6af194a0b7105232948c8071fd9104775e6c5e6.exe
Size 737KB
Sample221124-dvyp6adh37
SHA256 b2b76e42d5cf52da05eccd94c6af194a0b7105232948c8071fd9104775e6c5e6
MD5 4cba7ae5403fc353fd4ae95ae73c5381
SHA1 ccca1c6d94355ca3504ce398ee107ebe3513dd73
SHA512 a2c3effbadcd2cbbd1cc5db5630dba2031c95cf77a4ec7ee1ddcf00edc0f652646d770a98353fc7945e7efd7cd314a739b57b874ddfa0d0b2dbdd4c5c558d604
SSDEEP 12288:P05N846gsEHDuko414ogpBstpqqbE63DnYAEanOaBOF9iiXVg6b:P6BTv49pwtbEOYAEQOaBHiXJb
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cybergate cybergate persistence stealer trojan upx

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

cybergate

scuba.hopto.org:1776

Mutex

574R0WE30258GC

Attributes

enable_keylogger
false
enable_message_box
false
ftp_directory
./logs/
ftp_interval
30
injected_process
explorer.exe
install_dir
appdata
install_file
winhost.exe
install_flag
false
keylogger_enable_ftp
false
message_box_caption
Remote Administration anywhere in the world.
message_box_title
CyberGate
password
123456

Signatures

CyberGate, Rebhip
CyberGate is a lightweight remote administration tool with a wide array of functionalities.
trojan stealer cybergate

Executes dropped EXE 3 IoCs

pid	Process
2948	winios.exe
1844	svchost.exe
4196	svchost.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1844-148-0x0000000010410000-0x0000000010475000-memory.dmp	upx
behavioral2/memory/1844-153-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/1840-156-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/1840-158-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/1840-162-0x0000000010480000-0x00000000104E5000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	b2b76e42d5cf52da05eccd94c6af194a0b7105232948c8071fd9104775e6c5e6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winios.exe"	winios.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2948 set thread context of 1844	2948	winios.exe	84

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2948	winios.exe
2948	winios.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	winios.exe
Token: SeBackupPrivilege	1840	explorer.exe
Token: SeRestorePrivilege	1840	explorer.exe
Token: SeDebugPrivilege	1840	explorer.exe
Token: SeDebugPrivilege	1840	explorer.exe
Token: SeDebugPrivilege	2948	winios.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1844	svchost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 2948	4408	b2b76e42d5cf52da05eccd94c6af194a0b7105232948c8071fd9104775e6c5e6.exe	82
PID 4408 wrote to memory of 2948	4408	b2b76e42d5cf52da05eccd94c6af194a0b7105232948c8071fd9104775e6c5e6.exe	82
PID 4408 wrote to memory of 2948	4408	b2b76e42d5cf52da05eccd94c6af194a0b7105232948c8071fd9104775e6c5e6.exe	82
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 2948 wrote to memory of 1844	2948	winios.exe	84
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48
PID 1844 wrote to memory of 3056	1844	svchost.exe	48

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3056
- C:\Users\Admin\AppData\Local\Temp\b2b76e42d5cf52da05eccd94c6af194a0b7105232948c8071fd9104775e6c5e6.exe
  "C:\Users\Admin\AppData\Local\Temp\b2b76e42d5cf52da05eccd94c6af194a0b7105232948c8071fd9104775e6c5e6.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4408
- - C:\Users\Admin\AppData\Local\Temp\winios.exe
    "C:\Users\Admin\AppData\Local\Temp\winios.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2948
  - - C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\\svchost.exe
      4⤵
      Executes dropped EXE
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:1844
    - - C:\Windows\SysWOW64\explorer.exe
        
        explorer.exe
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1840
      - C:\Users\Admin\AppData\Local\Temp\svchost.exe
        
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        6⤵
        Executes dropped EXE
        
        PID:4196

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Admin2.txt

Path C:\Users\Admin\AppData\Local\Temp\Admin2.txt
Size 224KB
SHA256 9914f6f0435a54b89c7ee1f5a734b36d0dfe7243cd3a624940dd0136e0866793
MD5 75d442f29ac0e1645f7e96f704c360c4
SHA1 ee71d7c9390f26f9d6ab23c53f3c8c328127ce0c
SHA512 cd289272e96d2b762435afa5140c4a6ef456f13c510483f03bb72615010f93f719881aa921a2869289c2cf8ff619ad81a6f3f67d2c52f1b7ccc9ebec2e5bac5a
SSDEEP 3072:o5BKhdOhbYCkW7E/Zuuke0EEQwpXTBROniNKYHknNVMNnqqq/IJ3sWy0JbBgQp:xhdBCkWYxuukP1pjSKSNVkq/MVJb1
MD5 SHA1 SHA512 SSDEEP

Submit Download

svchost.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
Size 34KB
SHA256 3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9
MD5 e118330b4629b12368d91b9df6488be0
SHA1 ce90218c7e3b90df2a3409ec253048bb6472c2fd
SHA512 ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0
SSDEEP 768:Paq4bp49YK+2Cza0pS6icHmMl9CvwOElkn3yKdn5y85p3:ud4+KTMVJHmMsEBKdn5vj
MD5 SHA1 SHA512 SSDEEP

Submit Download

svchost.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
Size 34KB
SHA256 3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9
MD5 e118330b4629b12368d91b9df6488be0
SHA1 ce90218c7e3b90df2a3409ec253048bb6472c2fd
SHA512 ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0
SSDEEP 768:Paq4bp49YK+2Cza0pS6icHmMl9CvwOElkn3yKdn5y85p3:ud4+KTMVJHmMsEBKdn5vj
MD5 SHA1 SHA512 SSDEEP

Submit Download

svchost.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
Size 34KB
SHA256 3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9
MD5 e118330b4629b12368d91b9df6488be0
SHA1 ce90218c7e3b90df2a3409ec253048bb6472c2fd
SHA512 ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0
SSDEEP 768:Paq4bp49YK+2Cza0pS6icHmMl9CvwOElkn3yKdn5y85p3:ud4+KTMVJHmMsEBKdn5vj
MD5 SHA1 SHA512 SSDEEP

Submit Download

winios.exe

Path C:\Users\Admin\AppData\Local\Temp\winios.exe
Size 401KB
SHA256 4405e44e04993e4de8451380e11a424c3fb281841c26a1b1c4609d25987c765a
MD5 7599d3552ab89f5867069f151cc0a6a5
SHA1 f65538a54d2d63b119c7d54a14953dd3ed5225d2
SHA512 a47904f355e28363be2368f158f785f22476ece046cdfe593f1df3bc336e18b10957dbcb93238f6eb7c03be9760a54083ad66fec8ca1ac1ab78c837c298dfb97
SSDEEP 12288:B39yXnSRuselvfqHheuzvFH5aRgw4oDwN8lmN:B39enSHelviFvFHQqwlE8m
MD5 SHA1 SHA512 SSDEEP

Submit Download

winios.exe

Path C:\Users\Admin\AppData\Local\Temp\winios.exe
Size 401KB
SHA256 4405e44e04993e4de8451380e11a424c3fb281841c26a1b1c4609d25987c765a
MD5 7599d3552ab89f5867069f151cc0a6a5
SHA1 f65538a54d2d63b119c7d54a14953dd3ed5225d2
SHA512 a47904f355e28363be2368f158f785f22476ece046cdfe593f1df3bc336e18b10957dbcb93238f6eb7c03be9760a54083ad66fec8ca1ac1ab78c837c298dfb97
SSDEEP 12288:B39yXnSRuselvfqHheuzvFH5aRgw4oDwN8lmN:B39enSHelviFvFHQqwlE8m
MD5 SHA1 SHA512 SSDEEP

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memory/1840-162-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/1840-158-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/1840-156-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/1844-157-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/1844-153-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/1844-141-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/1844-145-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/1844-146-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/1844-148-0x0000000010410000-0x0000000010475000-memory.dmp

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memory/1844-144-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/2948-139-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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memory/2948-138-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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memory/2948-163-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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memory/4408-132-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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memory/4408-137-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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memory/4408-133-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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