cybergate | a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a

Analysis

max time kernel
163s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 20:04

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General

Target

a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe
Size

906KB
MD5

82623b811594c71f9a5d3f65e0e7c3bb
SHA1

12f01eb6ceb50e33cdd506336ece14d4f026160b
SHA256

a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a
SHA512

2868332a6308cd44a5bff4777191fe236f374e29b053d8e7d1578f3217cbc8570f380b1ca436b1aa8243d01937d4b2eb9959019e5e46763ea1d1ebf80c71bf3e
SSDEEP

12288:Tl0255SUOet4yyuBHWrUPKMXxUJXifRxn1YmYyVpBceIm94FjeDo/4/aap1rMWu4:TnVuX67tLDar2hpp

Score

10^/10

cybergate 1 persistence stealer trojan upx

Malware Config

Extracted

Family

cybergate

Version

v1.11.0 - Public Version

Botnet

justme.dyndns-server.com:998

Mutex

H42S4U10568VEF

Attributes

enable_keylogger
true
enable_message_box
false
ftp_directory
./logs
ftp_interval
30
injected_process
explorer.exe
install_dir
firefox
install_file
firefox.exe
install_flag
true
keylogger_enable_ftp
false
message_box_caption
Remote Administration anywhere in the world.
message_box_title
CyberGate
password
2
regkey_hkcu
HKCU
regkey_hklm
HKLM

Signatures

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

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Program Files (x86)\\firefox\\firefox.exe"	vbc.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Program Files (x86)\\firefox\\firefox.exe"	vbc.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F4QMNVD6-7BS6-3520-30N6-D67JTD314J1D}	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F4QMNVD6-7BS6-3520-30N6-D67JTD314J1D}\StubPath = "C:\\Program Files (x86)\\firefox\\firefox.exe Restart"	vbc.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F4QMNVD6-7BS6-3520-30N6-D67JTD314J1D}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F4QMNVD6-7BS6-3520-30N6-D67JTD314J1D}\StubPath = "C:\\Program Files (x86)\\firefox\\firefox.exe"	explorer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3876-140-0x0000000010410000-0x0000000010482000-memory.dmp	upx
behavioral2/memory/3876-145-0x0000000010490000-0x0000000010502000-memory.dmp	upx
behavioral2/memory/4172-148-0x0000000010490000-0x0000000010502000-memory.dmp	upx
behavioral2/memory/4172-151-0x0000000010490000-0x0000000010502000-memory.dmp	upx
behavioral2/memory/3876-153-0x0000000010510000-0x0000000010582000-memory.dmp	upx
behavioral2/memory/3876-158-0x0000000010590000-0x0000000010602000-memory.dmp	upx
behavioral2/memory/212-161-0x0000000010590000-0x0000000010602000-memory.dmp	upx
behavioral2/memory/212-162-0x0000000010590000-0x0000000010602000-memory.dmp	upx
behavioral2/memory/212-164-0x0000000010590000-0x0000000010602000-memory.dmp	upx

Drops startup file 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\	vbc.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\firefox.exe	vbc.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\firefox.exe	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\firefox\\firefox.exe"	vbc.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\firefox\\firefox.exe"	vbc.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4188 set thread context of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\firefox\firefox.exe	vbc.exe
File created	C:\Program Files (x86)\firefox\firefox.exe	vbc.exe

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
3876	vbc.exe
3876	vbc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
212	vbc.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeBackupPrivilege	4172	explorer.exe
Token: SeRestorePrivilege	4172	explorer.exe
Token: SeBackupPrivilege	212	vbc.exe
Token: SeRestorePrivilege	212	vbc.exe
Token: SeDebugPrivilege	212	vbc.exe
Token: SeDebugPrivilege	212	vbc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3876	vbc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 4188 wrote to memory of 3876	4188	a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe	83
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48
PID 3876 wrote to memory of 2528	3876	vbc.exe	48

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2528
- C:\Users\Admin\AppData\Local\Temp\a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe
  "C:\Users\Admin\AppData\Local\Temp\a613a1a58bc2a4c06bcae7c8e0bc70b7c343faae7562953ed81e4bf2d312c95a.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4188
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    3⤵
    - Adds policy Run key to start application
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3876
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Modifies Installed Components in the registry
      Suspicious use of AdjustPrivilegeToken
      PID:4172
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:2484
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
      4⤵
      Drops startup file
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\firefox\firefox.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
C:\Users\Admin\AppData\Local\Temp\Admin2.txt

Filesize
238KB

MD5
0b3718b656702d41e3626c8c6c67f341

SHA1
6a66a2a2ac97103f3d7ab96a6a24302b3d6b2a2e

SHA256
b9a39bb8c8d48245649b6c112db4504217fb7acfbfebed3114ec3a22478ceaf8

SHA512
dd9eb6a52ce2a91f2bf75f650df5a0c643c4e98799ab026df02538469c02ec7ce6a034f19b3e7eb4e2dbbd403e02eb8b7adc81545cc9ae132f1152c323d4b5bb

Download Submit
memory/212-164-0x0000000010590000-0x0000000010602000-memory.dmp

Filesize
456KB

Download
memory/212-162-0x0000000010590000-0x0000000010602000-memory.dmp

Filesize
456KB

Download
memory/212-161-0x0000000010590000-0x0000000010602000-memory.dmp

Filesize
456KB

Download
memory/3876-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3876-158-0x0000000010590000-0x0000000010602000-memory.dmp

Filesize
456KB

Download
memory/3876-145-0x0000000010490000-0x0000000010502000-memory.dmp

Filesize
456KB

Download
memory/3876-140-0x0000000010410000-0x0000000010482000-memory.dmp

Filesize
456KB

Download
memory/3876-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3876-163-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3876-134-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3876-153-0x0000000010510000-0x0000000010582000-memory.dmp

Filesize
456KB

Download
memory/3876-135-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4172-148-0x0000000010490000-0x0000000010502000-memory.dmp

Filesize
456KB

Download
memory/4172-151-0x0000000010490000-0x0000000010502000-memory.dmp

Filesize
456KB

Download
memory/4188-137-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/4188-132-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download