cybergate | 39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
21/10/2022, 07:57

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General

Target
39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe
Size 643KB
Sample221021-jtdaqaachm
SHA256 39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d
MD5 605a93b30ea97be7640741df15c59f30
SHA1 dd288f8a90e938f790a9d24255a00d8ae7f02095
SHA512 5e25cd0ceece72a6e6621030ef3c6a4bcc48df6bc025c6c9f54348e7b029667a5db46c80d3668a0df9fda38ce1ec673f2d0a15884b006d97ef091d96f27a4093
SSDEEP 12288:Yr6aJ+NTA04rJ2qVdCLimCdPG4tugbedTBd47GLRMTb9:YTJ+y04rJTtxl+d474mf9
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cybergate asnet01 persistence stealer trojan upx

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

asnet01

asnet.no-ip.biz:82

Mutex

S7VJ18MU4B2P78

Attributes

enable_keylogger
true
enable_message_box
false
ftp_directory
./logs/
ftp_interval
30
injected_process
explorer.exe
install_dir
Windows
install_file
svchost.exe
install_flag
true
keylogger_enable_ftp
false
message_box_caption
The windows extension is missing. Please check your Anti virus configuration.
message_box_title
Error...!!!
password
010187
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	cvtres.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\Windows\\svchost.exe"	cvtres.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cvtres.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\Windows\\svchost.exe"	cvtres.exe

Executes dropped EXE 3 IoCs

pid	Process
4784	msconfig.exe
4544	svchost.exe
3092	svchost.exe

Modifies Installed Components in the registry 2 TTPs 2 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\{SGFW0Q7I-G2X8-C67R-3QXT-R0PO43GGB374}	cvtres.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{SGFW0Q7I-G2X8-C67R-3QXT-R0PO43GGB374}\StubPath = "C:\\Windows\\Windows\\svchost.exe Restart"	cvtres.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1220-148-0x0000000010410000-0x0000000010475000-memory.dmp	upx
behavioral2/memory/1220-153-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/1960-156-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/1960-162-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/1960-165-0x0000000010480000-0x00000000104E5000-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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\18.exe = "C:\\Users\\Admin\\AppData\\RoamingMicrosoft\\System\\Services\\18.exe"	msconfig.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	cvtres.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\Windows\\svchost.exe"	cvtres.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	cvtres.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\Windows\\svchost.exe"	cvtres.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	msconfig.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4784 set thread context of 1220	4784	msconfig.exe	85

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Windows\svchost.exe	cvtres.exe
File opened for modification	C:\Windows\Windows\	cvtres.exe
File created	C:\Windows\Windows\svchost.exe	cvtres.exe
File opened for modification	C:\Windows\Windows\svchost.exe	cvtres.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	cvtres.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4784	msconfig.exe
4784	msconfig.exe
4784	msconfig.exe
4784	msconfig.exe
4784	msconfig.exe
4784	msconfig.exe
4784	msconfig.exe
4784	msconfig.exe
4784	msconfig.exe
4784	msconfig.exe
4784	msconfig.exe
4784	msconfig.exe
1220	cvtres.exe
1220	cvtres.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1960	cvtres.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4784	msconfig.exe
Token: SeBackupPrivilege	1960	cvtres.exe
Token: SeRestorePrivilege	1960	cvtres.exe
Token: SeDebugPrivilege	1960	cvtres.exe
Token: SeDebugPrivilege	1960	cvtres.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 4784	3420	39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe	84
PID 3420 wrote to memory of 4784	3420	39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe	84
PID 3420 wrote to memory of 4784	3420	39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe	84
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 4784 wrote to memory of 1220	4784	msconfig.exe	85
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88
PID 1220 wrote to memory of 2008	1220	cvtres.exe	88

C:\Users\Admin\AppData\Local\Temp\39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe
"C:\Users\Admin\AppData\Local\Temp\39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Users\Admin\AppData\Roaming\msconfig.exe
  "C:\Users\Admin\AppData\Roaming\msconfig.exe"
  2⤵
  - 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:4784
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    3⤵
    - Adds policy Run key to start application
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1220
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:2008
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe"
      4⤵
      Drops file in Windows directory
      Modifies registry class
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:1960
    - - C:\Windows\Windows\svchost.exe
        
        "C:\Windows\Windows\svchost.exe"
        5⤵
        Executes dropped EXE
        
        PID:3092
  - - C:\Windows\Windows\svchost.exe
      "C:\Windows\Windows\svchost.exe"
      4⤵
      Executes dropped EXE
      PID:4544

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

Replay Monitor

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Downloads

Admin2.txt

Path C:\Users\Admin\AppData\Local\Temp\Admin2.txt
Size 224KB
SHA256 7744e9d5735d681c4e09054d15cf899c1f53057191b6b64c2540305c84c5d799
MD5 1ebadb23cde4b912c1c8a6513e0a7298
SHA1 027149ae8451f959fa04b1dface3f7c1d6c570fa
SHA512 721941d44292a1a3c7c4b8505da67d402b70ce9160547ee6aaafa0131ed93f7fdd4a9d586357c9232452fecd3414cbe936b55a443b1dceb12f768c3828e09edc
SSDEEP 3072:oOBKhdOhbYCkW7E/Zuuke0EEQwpXTBROniNKYHknNVMNnqqq/IJ3sWy0JbBgQp:GhdBCkWYxuukP1pjSKSNVkq/MVJb1
MD5 SHA1 SHA512 SSDEEP

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msconfig.exe

Path C:\Users\Admin\AppData\Roaming\msconfig.exe
Size 643KB
SHA256 39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d
MD5 605a93b30ea97be7640741df15c59f30
SHA1 dd288f8a90e938f790a9d24255a00d8ae7f02095
SHA512 5e25cd0ceece72a6e6621030ef3c6a4bcc48df6bc025c6c9f54348e7b029667a5db46c80d3668a0df9fda38ce1ec673f2d0a15884b006d97ef091d96f27a4093
SSDEEP 12288:Yr6aJ+NTA04rJ2qVdCLimCdPG4tugbedTBd47GLRMTb9:YTJ+y04rJTtxl+d474mf9
MD5 SHA1 SHA512 SSDEEP

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msconfig.exe

Path C:\Users\Admin\AppData\Roaming\msconfig.exe
Size 643KB
SHA256 39501487b2f9a11ac48cb89bbb60bed7305f1ff057e2d1f0a2c0c8099b5a377d
MD5 605a93b30ea97be7640741df15c59f30
SHA1 dd288f8a90e938f790a9d24255a00d8ae7f02095
SHA512 5e25cd0ceece72a6e6621030ef3c6a4bcc48df6bc025c6c9f54348e7b029667a5db46c80d3668a0df9fda38ce1ec673f2d0a15884b006d97ef091d96f27a4093
SSDEEP 12288:Yr6aJ+NTA04rJ2qVdCLimCdPG4tugbedTBd47GLRMTb9:YTJ+y04rJTtxl+d474mf9
MD5 SHA1 SHA512 SSDEEP

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svchost.exe

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

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svchost.exe

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

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svchost.exe

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

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memory/1220-153-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/1220-143-0x0000000000400000-0x0000000000451000-memory.dmp

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memory/1220-161-0x0000000000400000-0x0000000000451000-memory.dmp

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memory/1220-145-0x0000000000400000-0x0000000000451000-memory.dmp

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memory/1220-146-0x0000000000400000-0x0000000000451000-memory.dmp

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memory/1220-148-0x0000000010410000-0x0000000010475000-memory.dmp

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memory/1220-142-0x0000000000400000-0x0000000000451000-memory.dmp

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memory/1960-156-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/1960-162-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/1960-165-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/3420-135-0x00000000750E0000-0x0000000075691000-memory.dmp

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memory/3420-139-0x00000000750E0000-0x0000000075691000-memory.dmp

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memory/4784-140-0x00000000750E0000-0x0000000075691000-memory.dmp

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memory/4784-144-0x00000000750E0000-0x0000000075691000-memory.dmp

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