cybergate | b9246e9820b83ff485c8519aab228f275b837424af691b866739a5c873e78367

Analysis

max time kernel
151s
max time network
64s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 00:42

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General

Target

CALLOF~1.exe
Size

270KB
MD5

e14244a052136335c003492c75cedcbe
SHA1

c7a73e6efbe3c44a42dbdd8dde0fd2cb7bb000ee
SHA256

f4a501d135d291fd0d23dea3faf2640e9ea7dcc1a48402e55634775e32203f48
SHA512

dba313f60734ac8c4891dd68b83d82182404344450223988684d449deebff6c5b1cd098bc729b267a237b800d1ee23ceaff8b292e26133b8bbc1ef74475be24f
SSDEEP

6144:TMq0ftzddwSbRnY8EhscQE8uNaWiyULbYsXarJo5H:TFIt5jKRKrZ2a7yWbYaarJo5

Score

10^/10

cybergate remote persistence stealer trojan upx

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

remote

ikhackjou.no-ip.org:1540

Mutex

LP5QFHQ655CF72

Attributes

enable_keylogger
true
enable_message_box
false
ftp_directory
./logs/
ftp_interval
30
injected_process
services.exe
install_dir
Systeem32
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
hoi123
regkey_hkcu
SearchIndexer
regkey_hklm
SearchIndexer

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	CALLOF~1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\windows\\Systeem32\\explorer.exe"	CALLOF~1.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	CALLOF~1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\windows\\Systeem32\\explorer.exe"	CALLOF~1.exe

Executes dropped EXE 1 IoCs

pid	Process
1308	explorer.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\{7RIE18L8-5D74-0IV3-7P4J-XK3476X887JQ}	CALLOF~1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{7RIE18L8-5D74-0IV3-7P4J-XK3476X887JQ}\StubPath = "C:\\windows\\Systeem32\\explorer.exe Restart"	CALLOF~1.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{7RIE18L8-5D74-0IV3-7P4J-XK3476X887JQ}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{7RIE18L8-5D74-0IV3-7P4J-XK3476X887JQ}\StubPath = "C:\\windows\\Systeem32\\explorer.exe"	explorer.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1760-55-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1760-57-0x0000000010410000-0x0000000010475000-memory.dmp	upx
behavioral1/memory/1760-66-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral1/memory/840-71-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral1/files/0x000b00000001231c-73.dat	upx
behavioral1/memory/840-74-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral1/memory/1760-76-0x0000000000220000-0x0000000000285000-memory.dmp	upx
behavioral1/memory/1760-82-0x00000000104F0000-0x0000000010555000-memory.dmp	upx
behavioral1/memory/1760-88-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1288-87-0x00000000104F0000-0x0000000010555000-memory.dmp	upx
behavioral1/files/0x000b00000001231c-89.dat	upx
behavioral1/files/0x000b00000001231c-90.dat	upx
behavioral1/files/0x000b00000001231c-92.dat	upx
behavioral1/memory/1288-95-0x0000000005160000-0x00000000051B6000-memory.dmp	upx
behavioral1/memory/1288-96-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1288-97-0x00000000104F0000-0x0000000010555000-memory.dmp	upx
behavioral1/memory/1308-98-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1308-99-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1288-100-0x0000000005160000-0x00000000051B6000-memory.dmp	upx
behavioral1/memory/1288-102-0x00000000104F0000-0x0000000010555000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1288	CALLOF~1.exe
1288	CALLOF~1.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	CALLOF~1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SearchIndexer = "C:\\windows\\Systeem32\\explorer.exe"	CALLOF~1.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	CALLOF~1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\SearchIndexer = "C:\\windows\\Systeem32\\explorer.exe"	CALLOF~1.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\windows\Systeem32\explorer.exe	CALLOF~1.exe
File opened for modification	C:\windows\Systeem32\explorer.exe	CALLOF~1.exe
File opened for modification	C:\windows\Systeem32\explorer.exe	CALLOF~1.exe
File opened for modification	C:\windows\Systeem32\	CALLOF~1.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
1760	CALLOF~1.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1288	CALLOF~1.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeBackupPrivilege	840	explorer.exe
Token: SeRestorePrivilege	840	explorer.exe
Token: SeBackupPrivilege	1288	CALLOF~1.exe
Token: SeRestorePrivilege	1288	CALLOF~1.exe
Token: SeDebugPrivilege	1288	CALLOF~1.exe
Token: SeDebugPrivilege	1288	CALLOF~1.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1760	CALLOF~1.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4
PID 1760 wrote to memory of 1204	1760	CALLOF~1.exe	4

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\CALLOF~1.exe
  "C:\Users\Admin\AppData\Local\Temp\CALLOF~1.exe"
  2⤵
  - 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 FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Modifies Installed Components in the registry
    - Suspicious use of AdjustPrivilegeToken
    PID:840
- - C:\Users\Admin\AppData\Local\Temp\CALLOF~1.exe
    "C:\Users\Admin\AppData\Local\Temp\CALLOF~1.exe"
    3⤵
    - Loads dropped DLL
    - Drops file in Windows directory
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1288
  - - C:\windows\Systeem32\explorer.exe
      "C:\windows\Systeem32\explorer.exe"
      4⤵
      Executes dropped EXE
      PID:1308

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

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
a7c8ae77b229559107715fcdd39bb531

SHA1
0d85a4f1f709c325a6e549b458e816020d30575a

SHA256
bde69a357ed93368fb98151b6e6fd63f03962f245594742e379677240eec615d

SHA512
ce90f0217ec031fcc2f6da85137312f19d9d12f3e9aab0939d41eafa2db60c70892a99610d49005844e7caaf67b97e54d10d9c9953ea010640ccb6c24bb6ee30

Download Submit
C:\Windows\Systeem32\explorer.exe

Filesize
270KB

MD5
e14244a052136335c003492c75cedcbe

SHA1
c7a73e6efbe3c44a42dbdd8dde0fd2cb7bb000ee

SHA256
f4a501d135d291fd0d23dea3faf2640e9ea7dcc1a48402e55634775e32203f48

SHA512
dba313f60734ac8c4891dd68b83d82182404344450223988684d449deebff6c5b1cd098bc729b267a237b800d1ee23ceaff8b292e26133b8bbc1ef74475be24f

Download Submit
C:\windows\Systeem32\explorer.exe

Filesize
270KB

MD5
e14244a052136335c003492c75cedcbe

SHA1
c7a73e6efbe3c44a42dbdd8dde0fd2cb7bb000ee

SHA256
f4a501d135d291fd0d23dea3faf2640e9ea7dcc1a48402e55634775e32203f48

SHA512
dba313f60734ac8c4891dd68b83d82182404344450223988684d449deebff6c5b1cd098bc729b267a237b800d1ee23ceaff8b292e26133b8bbc1ef74475be24f

Download Submit
\Windows\Systeem32\explorer.exe

Filesize
270KB

MD5
e14244a052136335c003492c75cedcbe

SHA1
c7a73e6efbe3c44a42dbdd8dde0fd2cb7bb000ee

SHA256
f4a501d135d291fd0d23dea3faf2640e9ea7dcc1a48402e55634775e32203f48

SHA512
dba313f60734ac8c4891dd68b83d82182404344450223988684d449deebff6c5b1cd098bc729b267a237b800d1ee23ceaff8b292e26133b8bbc1ef74475be24f

Download Submit
\Windows\Systeem32\explorer.exe

Filesize
270KB

MD5
e14244a052136335c003492c75cedcbe

SHA1
c7a73e6efbe3c44a42dbdd8dde0fd2cb7bb000ee

SHA256
f4a501d135d291fd0d23dea3faf2640e9ea7dcc1a48402e55634775e32203f48

SHA512
dba313f60734ac8c4891dd68b83d82182404344450223988684d449deebff6c5b1cd098bc729b267a237b800d1ee23ceaff8b292e26133b8bbc1ef74475be24f

Download Submit
memory/840-74-0x0000000010480000-0x00000000104E5000-memory.dmp

Filesize
404KB

Download
memory/840-65-0x0000000074661000-0x0000000074663000-memory.dmp

Filesize
8KB

Download
memory/840-71-0x0000000010480000-0x00000000104E5000-memory.dmp

Filesize
404KB

Download
memory/1204-60-0x0000000010410000-0x0000000010475000-memory.dmp

Filesize
404KB

Download
memory/1288-95-0x0000000005160000-0x00000000051B6000-memory.dmp

Filesize
344KB

Download
memory/1288-97-0x00000000104F0000-0x0000000010555000-memory.dmp

Filesize
404KB

Download
memory/1288-102-0x00000000104F0000-0x0000000010555000-memory.dmp

Filesize
404KB

Download
memory/1288-101-0x0000000005160000-0x00000000051B6000-memory.dmp

Filesize
344KB

Download
memory/1288-87-0x00000000104F0000-0x0000000010555000-memory.dmp

Filesize
404KB

Download
memory/1288-100-0x0000000005160000-0x00000000051B6000-memory.dmp

Filesize
344KB

Download
memory/1288-96-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1288-94-0x0000000005160000-0x00000000051B6000-memory.dmp

Filesize
344KB

Download
memory/1308-98-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1308-99-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1760-55-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1760-57-0x0000000010410000-0x0000000010475000-memory.dmp

Filesize
404KB

Download
memory/1760-54-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/1760-76-0x0000000000220000-0x0000000000285000-memory.dmp

Filesize
404KB

Download
memory/1760-66-0x0000000010480000-0x00000000104E5000-memory.dmp

Filesize
404KB

Download
memory/1760-88-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1760-82-0x00000000104F0000-0x0000000010555000-memory.dmp

Filesize
404KB

Download