cybergate | f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158

Analysis

max time kernel
185s
max time network
168s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
21/10/2022, 06:21

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General

Target
f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe
Size 690KB
Sample221021-g4algafcfr
SHA256 f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158
MD5 51f4b35013790be99ee26ccf4829c07d
SHA1 3d18f4a043a31beb97668665f8e1b531755ac217
SHA512 e6b34e4ab0e26fbe10c913d7419c6f0eb63852cbebcbc5f30a5cf44236939053cbd4ebb77ce979b54cf73744ee48a59f1f04fb7a9397dcd7cad373c723e3da26
SSDEEP 12288:wAXPfZIb7O8W/9uTXqdI3Vummiw1SdEsKd1dki2V6la8dobYGU0tc1QgPjhApaha:Xf9qXqdoVdcKUobYNBf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cybergate e persistence stealer trojan upx

Malware Config

Extracted

Family

cybergate

Version

v3.0.2.0

Botnet

nilsio.no-ip.org:32957
nilsio.no-ip.org:39069

Mutex

Y2Q2648FL5MEWL

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
Lifetec
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
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\install\\server.exe"	vbc.exe
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:\\install\\server.exe"	vbc.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	vbc.exe

Executes dropped EXE 1 IoCs

pid	Process
1780	eFtEmJcvFcQs.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\{52275YEI-L5W3-YRKT-2W4P-Y2KG5B4544WW}	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{52275YEI-L5W3-YRKT-2W4P-Y2KG5B4544WW}\StubPath = "C:\\install\\server.exe Restart"	vbc.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{52275YEI-L5W3-YRKT-2W4P-Y2KG5B4544WW}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{52275YEI-L5W3-YRKT-2W4P-Y2KG5B4544WW}\StubPath = "C:\\install\\server.exe"	explorer.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1668-69-0x0000000010410000-0x0000000010480000-memory.dmp	upx
behavioral1/memory/1668-79-0x0000000010480000-0x00000000104F0000-memory.dmp	upx
behavioral1/memory/2032-84-0x0000000010480000-0x00000000104F0000-memory.dmp	upx
behavioral1/memory/2032-85-0x0000000010480000-0x00000000104F0000-memory.dmp	upx
behavioral1/memory/1668-89-0x00000000104F0000-0x0000000010560000-memory.dmp	upx
behavioral1/memory/1668-96-0x0000000010560000-0x00000000105D0000-memory.dmp	upx
behavioral1/memory/1512-101-0x0000000010560000-0x00000000105D0000-memory.dmp	upx
behavioral1/memory/1512-102-0x0000000010560000-0x00000000105D0000-memory.dmp	upx
behavioral1/memory/2032-104-0x0000000010480000-0x00000000104F0000-memory.dmp	upx
behavioral1/memory/1512-105-0x0000000010560000-0x00000000105D0000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe
844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\install\\server.exe"	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Explorer = "C:\\Users\\Admin\\AppData\\Roaming\\r1c.exe"	eFtEmJcvFcQs.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:\\install\\server.exe"	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 844 set thread context of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe
Token: SeDebugPrivilege	1512	explorer.exe
Token: SeDebugPrivilege	1512	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1668	vbc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1668	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	28
PID 844 wrote to memory of 1780	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	29
PID 844 wrote to memory of 1780	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	29
PID 844 wrote to memory of 1780	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	29
PID 844 wrote to memory of 1780	844	f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe	29
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15
PID 1668 wrote to memory of 1224	1668	vbc.exe	15

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe
  "C:\Users\Admin\AppData\Local\Temp\f2374f2f930495b32fbc09ac18516a424cbf2021935d4061b824b43566a1d158.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:844
- - 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
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1668
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Modifies Installed Components in the registry
      PID:2032
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:1216
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1512
- - C:\Users\Admin\AppData\Roaming\eFtEmJcvFcQs.exe
    "C:\Users\Admin\AppData\Roaming\eFtEmJcvFcQs.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    PID:1780

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

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Downloads

Admin2.txt

Path C:\Users\Admin\AppData\Local\Temp\Admin2.txt
Size 385KB
SHA256 236c40badfd4f1d6de712ff86526eb1680e7e28423c45fa4b9c987dc592ffc40
MD5 5da5d7379e21d1cb9b9f6aa3c2c04ac4
SHA1 beb17d11e5fb05790ccf12b7d74b9a1a650b38c6
SHA512 aa5e556c263ca9c82859344c2dffeb49cbdfbf678e043297c0454b08c96ab4fa6a435c4b1ebaf26697f74fd113bf23085a1c338e0dfc51955915afc4eeb4e5ee
SSDEEP 12288:jBi8vvrHxVPKyE2m7BCObQ+QeTbTRNJJK:g8vrxa2OCObQ+QQRNi
MD5 SHA1 SHA512 SSDEEP

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eFtEmJcvFcQs.exe

Path C:\Users\Admin\AppData\Roaming\eFtEmJcvFcQs.exe
Size 4KB
SHA256 da641ac332b2695b7f9385fe35148ef660663f4576c7536e806a516f93a27ff1
MD5 2817f5cac47f6379113fa282d4e621b0
SHA1 c68852fcc37f4ab3b0fa09090f2fbdd8da85081e
SHA512 d0288a4259d5f00b1e94195bd8928f3f64a28bb576097e383239b77fe2df97170fbc72ea4bd5ea89b00f5cd8dea09de6d1b1667728d5e56e628834ae14bd9bef
MD5 SHA1 SHA512

Submit Download

eFtEmJcvFcQs.exe

Path C:\Users\Admin\AppData\Roaming\eFtEmJcvFcQs.exe
Size 4KB
SHA256 da641ac332b2695b7f9385fe35148ef660663f4576c7536e806a516f93a27ff1
MD5 2817f5cac47f6379113fa282d4e621b0
SHA1 c68852fcc37f4ab3b0fa09090f2fbdd8da85081e
SHA512 d0288a4259d5f00b1e94195bd8928f3f64a28bb576097e383239b77fe2df97170fbc72ea4bd5ea89b00f5cd8dea09de6d1b1667728d5e56e628834ae14bd9bef
MD5 SHA1 SHA512

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server.exe

Path C:\install\server.exe
Size 1.1MB
SHA256 6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386
MD5 34aa912defa18c2c129f1e09d75c1d7e
SHA1 9c3046324657505a30ecd9b1fdb46c05bde7d470
SHA512 d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98
SSDEEP 24576:3xAZ7O8RoJUlKxkSgg2fjyqd3sz6iWIV78Ka//XJRUGsqUyJfIxv048qZZT:gO8Rb37gDq6cXJaGJ2xv0IZ
MD5 SHA1 SHA512 SSDEEP

Submit Download

eFtEmJcvFcQs.exe

Path \Users\Admin\AppData\Roaming\eFtEmJcvFcQs.exe
Size 4KB
SHA256 da641ac332b2695b7f9385fe35148ef660663f4576c7536e806a516f93a27ff1
MD5 2817f5cac47f6379113fa282d4e621b0
SHA1 c68852fcc37f4ab3b0fa09090f2fbdd8da85081e
SHA512 d0288a4259d5f00b1e94195bd8928f3f64a28bb576097e383239b77fe2df97170fbc72ea4bd5ea89b00f5cd8dea09de6d1b1667728d5e56e628834ae14bd9bef
MD5 SHA1 SHA512

Submit Download

eFtEmJcvFcQs.exe

Path \Users\Admin\AppData\Roaming\eFtEmJcvFcQs.exe
Size 4KB
SHA256 da641ac332b2695b7f9385fe35148ef660663f4576c7536e806a516f93a27ff1
MD5 2817f5cac47f6379113fa282d4e621b0
SHA1 c68852fcc37f4ab3b0fa09090f2fbdd8da85081e
SHA512 d0288a4259d5f00b1e94195bd8928f3f64a28bb576097e383239b77fe2df97170fbc72ea4bd5ea89b00f5cd8dea09de6d1b1667728d5e56e628834ae14bd9bef
MD5 SHA1 SHA512

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memory/844-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

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memory/844-66-0x00000000743D0000-0x000000007497B000-memory.dmp

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memory/1224-73-0x0000000010410000-0x0000000010480000-memory.dmp

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memory/1512-105-0x0000000010560000-0x00000000105D0000-memory.dmp

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memory/1512-102-0x0000000010560000-0x00000000105D0000-memory.dmp

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memory/1512-101-0x0000000010560000-0x00000000105D0000-memory.dmp

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memory/1668-96-0x0000000010560000-0x00000000105D0000-memory.dmp

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memory/1668-57-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/1668-59-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/1668-103-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/1668-79-0x0000000010480000-0x00000000104F0000-memory.dmp

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memory/1668-67-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/1668-69-0x0000000010410000-0x0000000010480000-memory.dmp

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memory/1668-55-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/1668-89-0x00000000104F0000-0x0000000010560000-memory.dmp

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memory/1780-70-0x00000000743C0000-0x000000007496B000-memory.dmp

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memory/2032-85-0x0000000010480000-0x00000000104F0000-memory.dmp

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memory/2032-84-0x0000000010480000-0x00000000104F0000-memory.dmp

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memory/2032-78-0x00000000748A1000-0x00000000748A3000-memory.dmp

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memory/2032-104-0x0000000010480000-0x00000000104F0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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