cybergate | 82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f

Analysis

max time kernel
182s
max time network
184s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 08:19

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General

Target

82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe
Size

616KB
MD5

117cdfd840a715a341c63d32ef7d3210
SHA1

92f9e1e9ccbbe8268a61396a3e26aa07d2d22259
SHA256

82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f
SHA512

6b1860f81a49843ff76e37f53b2dfea8b411f0cb61a52ccbbdbb45635ccb7f239746130d1abbbabf1ea86c12f2bafb8872a42be1398900e2a28b63471f419655
SSDEEP

12288:5AjM04hHvAQSiXsgPLS9WNk9WvAtdoyE3eH:WMoQTPGgC9XdzE3eH

Score

10^/10

cybergate remote persistence stealer trojan upx

Malware Config

Extracted

Family

cybergate

Version

v3.4.2.2

Botnet

remote

poojacute281.redirectme.net:999

Mutex

QKA175O855N45J

Attributes

enable_keylogger
true
enable_message_box
false
ftp_directory
./logs
ftp_interval
30
injected_process
explorer.exe
install_dir
install
install_file
server.exe
install_flag
true
keylogger_enable_ftp
false
message_box_caption
Remote Administration anywhere in the world.
message_box_title
CyberGate
password
cybergate
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:\\Windows\\system32\\install\\server.exe"	vbc.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\server.exe"	vbc.exe

Executes dropped EXE 1 IoCs

pid	Process
1104	server.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\{P2S84100-061R-0IS4-7858-65732B2N2T0U}	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{P2S84100-061R-0IS4-7858-65732B2N2T0U}\StubPath = "C:\\Windows\\system32\\install\\server.exe Restart"	vbc.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{P2S84100-061R-0IS4-7858-65732B2N2T0U}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{P2S84100-061R-0IS4-7858-65732B2N2T0U}\StubPath = "C:\\Windows\\system32\\install\\server.exe"	explorer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1136-139-0x0000000010410000-0x0000000010480000-memory.dmp	upx
behavioral2/memory/1136-144-0x0000000010480000-0x00000000104F0000-memory.dmp	upx
behavioral2/memory/816-147-0x0000000010480000-0x00000000104F0000-memory.dmp	upx
behavioral2/memory/816-150-0x0000000010480000-0x00000000104F0000-memory.dmp	upx
behavioral2/memory/1136-153-0x00000000104F0000-0x0000000010560000-memory.dmp	upx
behavioral2/memory/3488-156-0x00000000104F0000-0x0000000010560000-memory.dmp	upx
behavioral2/memory/3488-157-0x00000000104F0000-0x0000000010560000-memory.dmp	upx
behavioral2/memory/3488-162-0x00000000104F0000-0x0000000010560000-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\server.exe	explorer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\	explorer.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\server.exe	explorer.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
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\install\\server.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:\\Windows\\system32\\install\\server.exe"	vbc.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\install\server.exe	vbc.exe
File opened for modification	C:\Windows\SysWOW64\install\server.exe	vbc.exe
File opened for modification	C:\Windows\SysWOW64\install\server.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\install\	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1184 set thread context of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe	explorer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1136	vbc.exe
1136	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3488	explorer.exe
Token: SeDebugPrivilege	3488	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1136	vbc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1184 wrote to memory of 1136	1184	82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe	80
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51
PID 1136 wrote to memory of 760	1136	vbc.exe	51

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:760
- C:\Users\Admin\AppData\Local\Temp\82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe
  "C:\Users\Admin\AppData\Local\Temp\82097d404206d7bab01e840503ec6c908882ac66e0ae0fc2b8cc0cbf7a5c167f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1184
- - 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 System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1136
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Modifies Installed Components in the registry
      PID:816
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Drops startup file
      Drops file in System32 directory
      Drops file in Windows directory
      Suspicious use of AdjustPrivilegeToken
      PID:3488
  - - C:\Windows\SysWOW64\install\server.exe
      "C:\Windows\system32\install\server.exe"
      4⤵
      Executes dropped EXE
      PID:1104

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
385KB

MD5
df082d933f7c9e3ad4a42dd4cd00cd35

SHA1
16f9b2380f41d041548ab3f1dead701b0d92f69a

SHA256
717f48b3510b5c578289e569ff3f9e796b419e5313e32820053dd8b224fd3a75

SHA512
0f23becb88a6b88c9fc0a88178c2f6a8c839e6ebcc122f31ed1b38191065100d6880d6e3d64a3b7e133295ab513a78134e3283cde2216c28315c1816215a4e25

Download Submit
C:\Windows\SysWOW64\install\server.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
C:\Windows\SysWOW64\install\server.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/816-150-0x0000000010480000-0x00000000104F0000-memory.dmp

Filesize
448KB

Download
memory/816-147-0x0000000010480000-0x00000000104F0000-memory.dmp

Filesize
448KB

Download
memory/1136-137-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1136-153-0x00000000104F0000-0x0000000010560000-memory.dmp

Filesize
448KB

Download
memory/1136-139-0x0000000010410000-0x0000000010480000-memory.dmp

Filesize
448KB

Download
memory/1136-160-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1136-136-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1136-135-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1136-144-0x0000000010480000-0x00000000104F0000-memory.dmp

Filesize
448KB

Download
memory/1136-134-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1184-132-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1184-161-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3488-157-0x00000000104F0000-0x0000000010560000-memory.dmp

Filesize
448KB

Download
memory/3488-156-0x00000000104F0000-0x0000000010560000-memory.dmp

Filesize
448KB

Download
memory/3488-162-0x00000000104F0000-0x0000000010560000-memory.dmp

Filesize
448KB

Download