cybergate | e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5

Analysis

max time kernel
253s
max time network
336s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
06-12-2022 07:34

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General

Target

e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe
Size

1.5MB
MD5

3f78d6f43146ed45f14ce8834468c5f0
SHA1

f76ee4856301c54d0a47a77570ca3ad344c3dada
SHA256

e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5
SHA512

0fa8e169ce4fe935300c575a451ec6bbc98d56045f36d2a5426ce29c998c76470831f05215f437ef3de92c1afa67b1bfad331f0a85b17b90f07c842f2e17fb39
SSDEEP

24576:8xMq0R9RYSelkG1IORAHRXlXHMSCGv+UX4+btlvrimK:RxR9RYNloHRXlcOvfxbtlDim

Score

10^/10

cybergate 1 persistence stealer trojan upx

Malware Config

Extracted

Family

cybergate

Version

v1.11.0 - Public Version

Botnet

justme.dyndns-server.com:998

Mutex

4860IWIX3LYF24

Attributes

enable_keylogger
true
enable_message_box
false
ftp_directory
./logs
ftp_interval
30
injected_process
explorer.exe
install_dir
firefox
install_file
firefox.exe
install_flag
true
keylogger_enable_ftp
false
message_box_caption
Remote Administration anywhere in the world.
message_box_title
CyberGate
password
2
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:\\Program Files (x86)\\firefox\\firefox.exe"	vbc.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Program Files (x86)\\firefox\\firefox.exe"	vbc.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\{L54DCK60-6827-PGC8-6LF1-GXHMH3UCU202}	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{L54DCK60-6827-PGC8-6LF1-GXHMH3UCU202}\StubPath = "C:\\Program Files (x86)\\firefox\\firefox.exe Restart"	vbc.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{L54DCK60-6827-PGC8-6LF1-GXHMH3UCU202}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{L54DCK60-6827-PGC8-6LF1-GXHMH3UCU202}\StubPath = "C:\\Program Files (x86)\\firefox\\firefox.exe"	explorer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/976-64-0x0000000010410000-0x0000000010482000-memory.dmp	upx
behavioral1/memory/976-74-0x0000000010490000-0x0000000010502000-memory.dmp	upx
behavioral1/memory/848-79-0x0000000010490000-0x0000000010502000-memory.dmp	upx
behavioral1/memory/848-82-0x0000000010490000-0x0000000010502000-memory.dmp	upx
behavioral1/memory/976-87-0x0000000010510000-0x0000000010582000-memory.dmp	upx
behavioral1/memory/1936-92-0x0000000010510000-0x0000000010582000-memory.dmp	upx
behavioral1/memory/1936-93-0x0000000010510000-0x0000000010582000-memory.dmp	upx
behavioral1/memory/848-97-0x0000000010490000-0x0000000010502000-memory.dmp	upx
behavioral1/memory/1936-100-0x0000000010510000-0x0000000010582000-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\	explorer.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\firefox.exe	explorer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\firefox.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\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\firefox\\firefox.exe"	vbc.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\firefox\\firefox.exe"	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 828 set thread context of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\firefox\firefox.exe	vbc.exe
File opened for modification	C:\Program Files (x86)\firefox\firefox.exe	vbc.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
976	vbc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1936	explorer.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeBackupPrivilege	848	explorer.exe
Token: SeRestorePrivilege	848	explorer.exe
Token: SeBackupPrivilege	1936	explorer.exe
Token: SeRestorePrivilege	1936	explorer.exe
Token: SeDebugPrivilege	1936	explorer.exe
Token: SeDebugPrivilege	1936	explorer.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
976	vbc.exe
924	DllHost.exe
924	DllHost.exe
924	DllHost.exe
924	DllHost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 828 wrote to memory of 976	828	e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe	29
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15
PID 976 wrote to memory of 1260	976	vbc.exe	15

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1260
- C:\Users\Admin\AppData\Local\Temp\e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe
  "C:\Users\Admin\AppData\Local\Temp\e2aaf2355bd00dd156caf87118892fd613aa5a1b09de7fc4444d5af4a5d6b1a5.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:828
- - 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 Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:976
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Modifies Installed Components in the registry
      Suspicious use of AdjustPrivilegeToken
      PID:848
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Drops startup file
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:1936

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:924

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

Replay Monitor

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Downloads

C:\Program Files (x86)\firefox\firefox.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

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

Filesize
238KB

MD5
684fd57f87bf17971965d5f3cfaf46cb

SHA1
9c01d71d980d0a921e5a121b5dfb4bc25e0173d6

SHA256
138d2ef003bf4c2b9437cfd492c8011b713ecf0e56fafd2df58fa5b35fd401b9

SHA512
622967477b01ae327d062cc46b2ec17b325aef559d1e82263df644f5838c720a456f34894b3688a5bce9e0df9ebf5da8d81663fd2279be20b921ea8adcea2662

Download Submit
C:\Users\Admin\AppData\Roaming\1.jpg

Filesize
13KB

MD5
3b29c923da1b1fb338f3b84b0cd3641d

SHA1
8579ba6b8c53767a24917274991379181a8616a3

SHA256
4beb2fdcf822511528a1b4cecb620a4dafbf75c21d7d7b8c784b7bfbbcd4839e

SHA512
d2ae58a3b4a658df2f78bfc4664cbfb424909086b932ae56a5b0c81004ef614f8be91bd3ec6cb99b7d972fb3c8582b75326263b4ddb79f116c6e324ac9538fda

Download Submit
C:\Users\Admin\AppData\Roaming\2.jpg

Filesize
14KB

MD5
3c070565dc2fb1a51c3996c77d00e5b3

SHA1
295d01cb6ecf84a4e8557b6203f26ac275ef1814

SHA256
4a1dcf17874854489ae22f71c7ec826fe3410ebd3f7c5851670fe93d09073eec

SHA512
0687a2a7961901951d630a80fb500a227544f85975a6c83c70cf368ee369edbdf7c0ee0b8eff21e5714a3c4b5fb4e2fc13813b4fc30bd7fc6fc1c93120b22c3d

Download Submit
C:\Users\Admin\AppData\Roaming\5.jpg

Filesize
233KB

MD5
860be40e11304d627de55b4ab8829e20

SHA1
468135c06ccf3c3fabfe213700807a30af6862fc

SHA256
f6f54d473ec78bf322d15050bab5af379e55e64bdc8fcc9e007fa1f68dfa915d

SHA512
71b00187aafb8eed3e85768bc5d2579a15af277db8a37aca88051a1126564fff73fe88806c42180d3a043ca553d9c5975a2656595ce044178a28f4bbdbad09e7

Download Submit
C:\Users\Admin\AppData\Roaming\6.jpg

Filesize
309KB

MD5
bc4212c863b74ece21ca446ac5382441

SHA1
4790bab1dddb87d4cf824f65fcfd66a9f562e9fe

SHA256
ff88503178e47193bc190da4b38bf8581146d05202402c9230f7734579ab8289

SHA512
4ecaa893a7ae6a9bb75b314c5a8f5b2350ca74b60314b9a43793a1d23c18a258c7861349f65e26a44c74696d66287d6e5428a3f275e179af227f82ac3169261d

Download Submit
memory/828-55-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/828-60-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/828-54-0x0000000075491000-0x0000000075493000-memory.dmp

Filesize
8KB

Download
memory/848-97-0x0000000010490000-0x0000000010502000-memory.dmp

Filesize
456KB

Download
memory/848-79-0x0000000010490000-0x0000000010502000-memory.dmp

Filesize
456KB

Download
memory/848-82-0x0000000010490000-0x0000000010502000-memory.dmp

Filesize
456KB

Download
memory/848-73-0x0000000074D41000-0x0000000074D43000-memory.dmp

Filesize
8KB

Download
memory/976-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/976-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/976-72-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/976-74-0x0000000010490000-0x0000000010502000-memory.dmp

Filesize
456KB

Download
memory/976-87-0x0000000010510000-0x0000000010582000-memory.dmp

Filesize
456KB

Download
memory/976-57-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/976-94-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/976-64-0x0000000010410000-0x0000000010482000-memory.dmp

Filesize
456KB

Download
memory/976-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1260-67-0x0000000010410000-0x0000000010482000-memory.dmp

Filesize
456KB

Download
memory/1936-93-0x0000000010510000-0x0000000010582000-memory.dmp

Filesize
456KB

Download
memory/1936-92-0x0000000010510000-0x0000000010582000-memory.dmp

Filesize
456KB

Download
memory/1936-100-0x0000000010510000-0x0000000010582000-memory.dmp

Filesize
456KB

Download