cybergate | eca370714cffc52def1b513f8813c771bdb4735c4063498cd81ab42bd452ae2b

Analysis

max time kernel
172s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2022, 03:33

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General

Target

eca370714cffc52def1b513f8813c771bdb4735c4063498cd81ab42bd452ae2b.exe
Size

336KB
MD5

69d0cba10d41ffaded42a429d339c5a5
SHA1

30f6aac8ba2883f098d23d2448b52dc4592fdec6
SHA256

eca370714cffc52def1b513f8813c771bdb4735c4063498cd81ab42bd452ae2b
SHA512

51e6e9e3d4590b75e0f805805450a15eb8ef25f94121c9031598ba79312f02ec156f9fee840f4d4b8607955896f1e37045587d4b4a85b925b36c460dd52937f2
SSDEEP

6144:qOpslFlqphdBCkWYxuukP1pjSKSNVkq/MVJb3D68ws:qwslWTBd47GLRMTb3D68ws

Score

10^/10

cybergate test persistence stealer trojan upx

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

Test

nekisamja.no-ip.biz:85

127.0.0.1:999

Mutex

L38D5PV8S47081

Attributes

enable_keylogger
true
enable_message_box
false
ftp_directory
./logs/
ftp_interval
30
injected_process
explorer.exe
install_dir
install
install_file
explorer.exe
install_flag
true
keylogger_enable_ftp
false
message_box_caption
Remote Administration anywhere in the world.
message_box_title
CyberGate
password
156577_a
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	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\explorer.exe"	server.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\explorer.exe"	server.exe

Executes dropped EXE 3 IoCs

pid	Process
4492	server.exe
4468	server.exe
4136	explorer.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\{387K34EM-GBK7-R4AX-YBD4-W4GWY0E4T6H4}	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{387K34EM-GBK7-R4AX-YBD4-W4GWY0E4T6H4}\StubPath = "C:\\Windows\\system32\\install\\explorer.exe Restart"	server.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4492-137-0x0000000010410000-0x0000000010475000-memory.dmp	upx
behavioral2/memory/4492-144-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/4468-147-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/4468-150-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/4468-153-0x0000000010480000-0x00000000104E5000-memory.dmp	upx

Checks computer location settings 2 TTPs 2 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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	eca370714cffc52def1b513f8813c771bdb4735c4063498cd81ab42bd452ae2b.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	server.exe

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	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\install\\explorer.exe"	server.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\install\\explorer.exe"	server.exe

Drops file in System32 directory 2 IoCs

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

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1444	4136	WerFault.exe	87

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4492	server.exe
4492	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4468	server.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeBackupPrivilege	4468	server.exe
Token: SeRestorePrivilege	4468	server.exe
Token: SeDebugPrivilege	4468	server.exe
Token: SeDebugPrivilege	4468	server.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 4492	1684	eca370714cffc52def1b513f8813c771bdb4735c4063498cd81ab42bd452ae2b.exe	83
PID 1684 wrote to memory of 4492	1684	eca370714cffc52def1b513f8813c771bdb4735c4063498cd81ab42bd452ae2b.exe	83
PID 1684 wrote to memory of 4492	1684	eca370714cffc52def1b513f8813c771bdb4735c4063498cd81ab42bd452ae2b.exe	83
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85
PID 4492 wrote to memory of 1840	4492	server.exe	85

C:\Users\Admin\AppData\Local\Temp\eca370714cffc52def1b513f8813c771bdb4735c4063498cd81ab42bd452ae2b.exe
"C:\Users\Admin\AppData\Local\Temp\eca370714cffc52def1b513f8813c771bdb4735c4063498cd81ab42bd452ae2b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4492
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1840
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:4468
  - - C:\Windows\SysWOW64\install\explorer.exe
      "C:\Windows\system32\install\explorer.exe"
      4⤵
      Executes dropped EXE
      PID:4136
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 580
        5⤵
        Program crash
        
        PID:1444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4136 -ip 4136
1⤵
PID:3892

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

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

Filesize
224KB

MD5
c0a1f8fd298a75bde9a1cc0c9677f4e9

SHA1
e8d8a8c6397e1ea6b0caf3f72c875e1faacfe3fc

SHA256
ae32052942756e2e3ddaa13514583df7a8a90389fe71df591c95324638825be8

SHA512
edac4cd3a670c9aa0c897d0c0727ffceb8ff936c2011141976185736376fcea827369aee7b90f532bb806843de638f2509997cf15569958a53140051406785e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
296KB

MD5
2a244f64f229c38e3e17b0e1afa43461

SHA1
dd8537e3f47b71c3981c8d21c01148386d7ff4f2

SHA256
56b8f88b352dd1632966e032ff2e1aebdb84bf8cd706bae8936035459157315c

SHA512
4e350ee723dc59fdd5a07705e5f77b54bf9f0fbbfaba8395fa063cecdad48daece3a8438facc8ee9bb286ebe946f5fd5434a4e965f3fe6bc789349d4e5410b84

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
296KB

MD5
2a244f64f229c38e3e17b0e1afa43461

SHA1
dd8537e3f47b71c3981c8d21c01148386d7ff4f2

SHA256
56b8f88b352dd1632966e032ff2e1aebdb84bf8cd706bae8936035459157315c

SHA512
4e350ee723dc59fdd5a07705e5f77b54bf9f0fbbfaba8395fa063cecdad48daece3a8438facc8ee9bb286ebe946f5fd5434a4e965f3fe6bc789349d4e5410b84

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
296KB

MD5
2a244f64f229c38e3e17b0e1afa43461

SHA1
dd8537e3f47b71c3981c8d21c01148386d7ff4f2

SHA256
56b8f88b352dd1632966e032ff2e1aebdb84bf8cd706bae8936035459157315c

SHA512
4e350ee723dc59fdd5a07705e5f77b54bf9f0fbbfaba8395fa063cecdad48daece3a8438facc8ee9bb286ebe946f5fd5434a4e965f3fe6bc789349d4e5410b84

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

Filesize
296KB

MD5
2a244f64f229c38e3e17b0e1afa43461

SHA1
dd8537e3f47b71c3981c8d21c01148386d7ff4f2

SHA256
56b8f88b352dd1632966e032ff2e1aebdb84bf8cd706bae8936035459157315c

SHA512
4e350ee723dc59fdd5a07705e5f77b54bf9f0fbbfaba8395fa063cecdad48daece3a8438facc8ee9bb286ebe946f5fd5434a4e965f3fe6bc789349d4e5410b84

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

Filesize
296KB

MD5
2a244f64f229c38e3e17b0e1afa43461

SHA1
dd8537e3f47b71c3981c8d21c01148386d7ff4f2

SHA256
56b8f88b352dd1632966e032ff2e1aebdb84bf8cd706bae8936035459157315c

SHA512
4e350ee723dc59fdd5a07705e5f77b54bf9f0fbbfaba8395fa063cecdad48daece3a8438facc8ee9bb286ebe946f5fd5434a4e965f3fe6bc789349d4e5410b84

Download Submit
memory/1684-132-0x00007FF855900000-0x00007FF856336000-memory.dmp

Filesize
10.2MB

Download
memory/1684-139-0x0000000000D9A000-0x0000000000D9F000-memory.dmp

Filesize
20KB

Download
memory/4468-147-0x0000000010480000-0x00000000104E5000-memory.dmp

Filesize
404KB

Download
memory/4468-153-0x0000000010480000-0x00000000104E5000-memory.dmp

Filesize
404KB

Download
memory/4468-150-0x0000000010480000-0x00000000104E5000-memory.dmp

Filesize
404KB

Download
memory/4492-137-0x0000000010410000-0x0000000010475000-memory.dmp

Filesize
404KB

Download
memory/4492-144-0x0000000010480000-0x00000000104E5000-memory.dmp

Filesize
404KB

Download