cybergate | 382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 09:14

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General

Target

382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe
Size

300KB
MD5

213674aa3d3ba4b83a004bc853cf3090
SHA1

c416499e3faeb20628a4bafdb5c9e502f4266375
SHA256

382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c
SHA512

95087bc50fd967608cf17c0b5d3374cb474663a3b6ed089f2c4d6e6ea35a63f27ad7679383136dedf1437286902cf7b07332e7e354643b21631c1629d522730e
SSDEEP

6144:EoECH11rlICQND2od4U8x2WFLk9WlCRjTViLMwTlg38So:EAVgCaq0dhkM1M3

Score

10^/10

cybergate vítima persistence stealer trojan upx

Malware Config

Extracted

Family

cybergate

Version

2.7 Beta 02

Botnet

vítima

ghgh.zapto.org:82

Mutex

***MUTEX***

Attributes

enable_keylogger
true
enable_message_box
true
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
you must instal flash player !
message_box_title
windows
password
abcd1234
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\server.exe"	vbc.exe

Executes dropped EXE 1 IoCs

pid	Process
2032	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{08B0E5JF-4FCB-11CF-AAA5-00401C6XX500}\StubPath = "C:\\Windows\\system32\\install\\server.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{08B0E5JF-4FCB-11CF-AAA5-00401C6XX500}	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{08B0E5JF-4FCB-11CF-AAA5-00401C6XX500}\StubPath = "C:\\Windows\\system32\\install\\server.exe Restart"	vbc.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{08B0E5JF-4FCB-11CF-AAA5-00401C6XX500}	explorer.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/944-56-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/944-58-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/944-59-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/944-63-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/944-64-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/944-66-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/944-68-0x0000000024010000-0x0000000024072000-memory.dmp	upx
behavioral1/memory/944-77-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral1/memory/1520-82-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral1/memory/1520-85-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral1/memory/944-87-0x00000000240F0000-0x0000000024152000-memory.dmp	upx
behavioral1/memory/944-93-0x0000000024160000-0x00000000241C2000-memory.dmp	upx
behavioral1/memory/1904-98-0x0000000024160000-0x00000000241C2000-memory.dmp	upx
behavioral1/memory/944-99-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1904-103-0x0000000024160000-0x00000000241C2000-memory.dmp	upx
behavioral1/memory/1904-104-0x0000000024160000-0x00000000241C2000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1904	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
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
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\install\\server.exe"	vbc.exe

Drops file in System32 directory 4 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1128 set thread context of 944	1128	382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
944	vbc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1904	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1904	vbc.exe
Token: SeDebugPrivilege	1904	vbc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
944	vbc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 944	1128	382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe	27
PID 1128 wrote to memory of 944	1128	382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe	27
PID 1128 wrote to memory of 944	1128	382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe	27
PID 1128 wrote to memory of 944	1128	382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe	27
PID 1128 wrote to memory of 944	1128	382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe	27
PID 1128 wrote to memory of 944	1128	382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe	27
PID 1128 wrote to memory of 944	1128	382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe	27
PID 1128 wrote to memory of 944	1128	382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe	27
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7
PID 944 wrote to memory of 1388	944	vbc.exe	7

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1388
- C:\Users\Admin\AppData\Local\Temp\382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe
  "C:\Users\Admin\AppData\Local\Temp\382f1fbf4cb0931d5f5feed2f5ad68fa37764acb8a7ab1c8c5cb72b6fb51068c.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1128
- - 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:944
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Modifies Installed Components in the registry
      PID:1520
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:624
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
      4⤵
      Loads dropped DLL
      Drops file in System32 directory
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:1904
    - - C:\Windows\SysWOW64\install\server.exe
        
        "C:\Windows\system32\install\server.exe"
        5⤵
        Executes dropped EXE
        
        PID:2032

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\XX--XX--XX.txt

Filesize
230KB

MD5
e4711dd469de7115c2920f537eaa6c0b

SHA1
76a6ce9d6736d55cf43841a1241a42b7eb14a178

SHA256
5f097ff57355ee103f30873baa6ea9d37f9a0740c49bcfe0165173e590b91083

SHA512
8949882554114531d6069e46a19d5296f6777948997e5ef7532f4fded660c2a4da7e4b5a5c799d77b5577764fe562579950f407af8044c8d4adc0f67d8a5a713

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

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

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

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

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

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/944-77-0x0000000024080000-0x00000000240E2000-memory.dmp

Filesize
392KB

Download
memory/944-99-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/944-63-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/944-64-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/944-55-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/944-66-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/944-68-0x0000000024010000-0x0000000024072000-memory.dmp

Filesize
392KB

Download
memory/944-56-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/944-93-0x0000000024160000-0x00000000241C2000-memory.dmp

Filesize
392KB

Download
memory/944-87-0x00000000240F0000-0x0000000024152000-memory.dmp

Filesize
392KB

Download
memory/944-58-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/944-59-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1128-54-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/1128-65-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1388-71-0x0000000024010000-0x0000000024072000-memory.dmp

Filesize
392KB

Download
memory/1520-82-0x0000000024080000-0x00000000240E2000-memory.dmp

Filesize
392KB

Download
memory/1520-85-0x0000000024080000-0x00000000240E2000-memory.dmp

Filesize
392KB

Download
memory/1520-76-0x00000000754E1000-0x00000000754E3000-memory.dmp

Filesize
8KB

Download
memory/1904-98-0x0000000024160000-0x00000000241C2000-memory.dmp

Filesize
392KB

Download
memory/1904-103-0x0000000024160000-0x00000000241C2000-memory.dmp

Filesize
392KB

Download
memory/1904-104-0x0000000024160000-0x00000000241C2000-memory.dmp

Filesize
392KB

Download