cybergate | f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5

General

Target

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
Size

1.1MB
MD5

40162efe8b87462998c769fa5aa1e99e
SHA1

fad71527956d5cc44601a681a5d92e9e459565c8
SHA256

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5
SHA512

ef41c6c8a72fa2b1f203f5cf73648df359cf39cedebabf20801dc492fde06550cf8bed05fca1e16b1543017e8db4774a25ea7922471d4b0b3608583e271afbb7
SSDEEP

24576:mtb20pkaCqT5TBWgNQ7azb7Lh3i0GzxmCTHUWlI7L6A:TVg5tQ7an7LsDBJS5

Score

10^/10

cybergate knieler persistence stealer trojan

Malware Config

Extracted

Family

cybergate

Version

v3.4.2.2

Botnet

knieler

C2

cybergaat.ddns.net:16203

Mutex

N3AH6065VEWHV2

Attributes

enable_keylogger
true
enable_message_box
false
ftp_directory
./logs
ftp_interval
30
injected_process
explorer.exe
install_dir
Win32
install_file
windate
install_flag
true
keylogger_enable_ftp
false
message_box_caption
Remote Administration anywhere in the world.
message_box_title
CyberGate
password
.123456

Signatures

CyberGate, Rebhip
CyberGate is a lightweight remote administration tool with a wide array of functionalities.
trojan stealer cybergate
Executes dropped EXE 1 IoCs

Processes:

96595.exe

pid process

4500 96595.exe

pid	process
4500	96595.exe

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

Processes:

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

96595.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WerFault = "C:\\Users\\Admin\\AppData\\Roaming\\96595.exe"	96595.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	96595.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\96595.exe	autoit_exe
C:\Users\Admin\AppData\Roaming\96595.exe	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

96595.exe

description pid process target process

PID 4500 set thread context of 5032 4500 96595.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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1108 5032 WerFault.exe vbc.exe

description	pid	process	target process
PID 4500 set thread context of 5032	4500	96595.exe	vbc.exe

pid	pid_target	process	target process
1108	5032	WerFault.exe	vbc.exe

NTFS ADS 3 IoCs

Processes:

96595.exef181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\96595.exe:Zone.Identifier:$DATA	96595.exe
File created	C:\Users\Admin\AppData\Local\Temp\f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe:Zone.Identifier:$DATA	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
File created	C:\Users\Admin\AppData\Roaming\96595.exe\:Zone.Identifier:$DATA	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe

Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe96595.exe

pid	process
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
4500	96595.exe
4500	96595.exe
4500	96595.exe

Suspicious use of SendNotifyMessage 9 IoCs

Processes:

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe96595.exe

pid	process
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
4500	96595.exe
4500	96595.exe
4500	96595.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe96595.exe

description	pid	process	target process
PID 1092 wrote to memory of 4500	1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe	96595.exe
PID 1092 wrote to memory of 4500	1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe	96595.exe
PID 1092 wrote to memory of 4500	1092	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe	96595.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe
PID 4500 wrote to memory of 5032	4500	96595.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
"C:\Users\Admin\AppData\Local\Temp\f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe"
1⤵
- Checks computer location settings
- NTFS ADS
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1092

C:\Users\Admin\AppData\Roaming\96595.exe
"C:\Users\Admin\AppData\Roaming\96595.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4500

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:5032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 12
4⤵
- Program crash
PID:1108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5032 -ip 5032
1⤵
PID:3668

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\rr
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Roaming\96595.exe
Filesize
1.1MB

MD5
40162efe8b87462998c769fa5aa1e99e

SHA1
fad71527956d5cc44601a681a5d92e9e459565c8

SHA256
f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5

SHA512
ef41c6c8a72fa2b1f203f5cf73648df359cf39cedebabf20801dc492fde06550cf8bed05fca1e16b1543017e8db4774a25ea7922471d4b0b3608583e271afbb7

Download Submit
C:\Users\Admin\AppData\Roaming\96595.exe
Filesize
1.1MB

MD5
40162efe8b87462998c769fa5aa1e99e

SHA1
fad71527956d5cc44601a681a5d92e9e459565c8

SHA256
f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5

SHA512
ef41c6c8a72fa2b1f203f5cf73648df359cf39cedebabf20801dc492fde06550cf8bed05fca1e16b1543017e8db4774a25ea7922471d4b0b3608583e271afbb7

Download Submit
memory/4500-132-0x0000000000000000-mapping.dmp

Download
memory/5032-136-0x0000000000000000-mapping.dmp

Download
memory/5032-137-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads