cybergate | a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a

Analysis

max time kernel
241s
max time network
252s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 03:20

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General

Target
a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe
Size 705KB
Sample221124-dv5tgahb21
SHA256 a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a
MD5 bbee2e7ee07928261b5981eac9e2f3b2
SHA1 f9a88bb3e6d16cc2cd720978c3b01f5f3f77d5dd
SHA512 95de74b2ebe173265a61862472c1656b21be7aaddaa5725afe2386600c190248a3d07add8a5ff5c2607b2ba1fc14660d1371b0e42fe7e4bfd9d17b7c781d2235
SSDEEP 12288:g1H3uPbaaXUi+I0Ri99lDvC3DqBOF35SLzwkyiO:m+hkiYRSH63uw5SLnyiO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cybergate bich stealer trojan upx

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

bich

bichler.no-ip.org:8994

Mutex

BC72A6FYBI8X3A

Attributes

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

Executes dropped EXE 3 IoCs

pid	Process
4756	Service.exe
4372	Service.exe
3300	Service.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4756-142-0x0000000010410000-0x0000000010475000-memory.dmp	upx
behavioral2/memory/4756-149-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/4372-152-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/4372-154-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/4372-156-0x0000000010480000-0x00000000104E5000-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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	Service.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 220 set thread context of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe
File opened for modification	C:\Windows\assembly	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.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\	Service.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4372	Service.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe
Token: SeBackupPrivilege	4372	Service.exe
Token: SeRestorePrivilege	4372	Service.exe
Token: SeDebugPrivilege	4372	Service.exe
Token: SeDebugPrivilege	4372	Service.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 220 wrote to memory of 4756	220	a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe	85
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86
PID 4756 wrote to memory of 4628	4756	Service.exe	86

C:\Users\Admin\AppData\Local\Temp\a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe
"C:\Users\Admin\AppData\Local\Temp\a17ed41c4ab2d040574984f3cda2947c843f325d70d8982ca3dc6b11ab38015a.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220
- C:\Users\Admin\AppData\Local\Temp\AppLaunch\Service.exe
  C:\Users\Admin\AppData\Local\Temp\\AppLaunch\Service.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4756
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:4628
- - C:\Users\Admin\AppData\Local\Temp\AppLaunch\Service.exe
    "C:\Users\Admin\AppData\Local\Temp\AppLaunch\Service.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Modifies registry class
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:4372
  - - C:\Users\Admin\AppData\Local\Temp\AppLaunch\Service.exe
      "C:\Users\Admin\AppData\Local\Temp\AppLaunch\Service.exe"
      4⤵
      Executes dropped EXE
      PID:3300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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 6361cf6eb9656e364fe9ec529f08339c18a5bbf06fdaa1f43a392161d27f6dea
MD5 d2a2002d63871b7cd0d1af35edb1b33d
SHA1 cd47cb7f84bd6ba4c89241ccdbf8f06de59c6068
SHA512 f93d5c2ddc6752955621eb4e6e6fee28e60cc8e19107bc5bfe9c4a6cb17f1479bbbfb4806e17aa0622a291286bf8af5c2a6208cc70cf549072cc60c214867873
SSDEEP 3072:oMBKhdOhbYCkW7E/Zuuke0EEQwpXTBROniNKYHknNVMNnqqq/IJ3sWy0JbBgQp:ShdBCkWYxuukP1pjSKSNVkq/MVJb1
MD5 SHA1 SHA512 SSDEEP

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Service.exe

Path C:\Users\Admin\AppData\Local\Temp\AppLaunch\Service.exe
Size 1.1MB
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
SSDEEP 24576:jp2silPBMIXGWClfuRcUGIJYK15Qs/QZM:jp2sMO7VzUTJH15QFZM
MD5 SHA1 SHA512 SSDEEP

Submit Download

Service.exe

Path C:\Users\Admin\AppData\Local\Temp\AppLaunch\Service.exe
Size 1.1MB
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
SSDEEP 24576:jp2silPBMIXGWClfuRcUGIJYK15Qs/QZM:jp2sMO7VzUTJH15QFZM
MD5 SHA1 SHA512 SSDEEP

Submit Download

Service.exe

Path C:\Users\Admin\AppData\Local\Temp\AppLaunch\Service.exe
Size 1.1MB
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
SSDEEP 24576:jp2silPBMIXGWClfuRcUGIJYK15Qs/QZM:jp2sMO7VzUTJH15QFZM
MD5 SHA1 SHA512 SSDEEP

Submit Download

Service.exe

Path C:\Users\Admin\AppData\Local\Temp\AppLaunch\Service.exe
Size 1.1MB
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
SSDEEP 24576:jp2silPBMIXGWClfuRcUGIJYK15Qs/QZM:jp2sMO7VzUTJH15QFZM
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/220-132-0x0000000074B90000-0x0000000075141000-memory.dmp

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memory/220-133-0x0000000074B90000-0x0000000075141000-memory.dmp

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memory/4372-152-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/4372-154-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/4372-156-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/4756-142-0x0000000010410000-0x0000000010475000-memory.dmp

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memory/4756-140-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/4756-139-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/4756-148-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/4756-149-0x0000000010480000-0x00000000104E5000-memory.dmp

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memory/4756-153-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/4756-138-0x0000000000400000-0x000000000044F000-memory.dmp

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memory/4756-135-0x0000000000400000-0x000000000044F000-memory.dmp

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