chinese_generic_botnet | 8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa

General

Target

8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe
Size

683KB
MD5

3c18e92b342ee0899db68f2f80bf1585
SHA1

04f9ddbcfe58580295c9de966c1b752302b9703d
SHA256

8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa
SHA512

6b90c0e3c428117c5325aaa7e47edc9d0392140e8eff8ff0541acaf1593dfde90ded4340ca5bb9baed1895283ede5386364f94481aaac7dce5941e0663210dd8
SSDEEP

12288:FIZIJ8lG4fIFE+wM0QUeW/AxKD1pH6tKpjAriCACE1ppp/3GxmP1xoM+/hXB1gjU:SZIJ8lG4fIFEhM54IEP/CACCh2IfM5Xv

Score

10^/10

chinese_generic_botnet botnet persistence vmprotect

Malware Config

Signatures

Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
botnet chinese_generic_botnet

Chinese Botnet payload 1 IoCs

botnet

Processes:

resource	yara_rule
behavioral2/memory/3320-24-0x0000000010000000-0x0000000010018000-memory.dmp	unk_chinese_botnet

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:

8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe

Executes dropped EXE 2 IoCs

Processes:

3333333.exeJDNumberScreen.exe

pid process

3320 3333333.exe
968 JDNumberScreen.exe

pid	process
3320	3333333.exe
968	JDNumberScreen.exe

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\JDNumberScreen.exe	vmprotect
behavioral2/memory/968-23-0x0000000000B50000-0x0000000000CA4000-memory.dmp	vmprotect

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3333333.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gaagmqi.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3333333.exe"	3333333.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2412 968 WerFault.exe JDNumberScreen.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

3333333.exe

pid process

3320 3333333.exe
3320 3333333.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3333333.exe

pid process

3320 3333333.exe

pid	pid_target	process	target process
2412	968	WerFault.exe	JDNumberScreen.exe

pid	process
3320	3333333.exe
3320	3333333.exe

pid	process
3320	3333333.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe

description	pid	process	target process
PID 2600 wrote to memory of 3320	2600	8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe	3333333.exe
PID 2600 wrote to memory of 3320	2600	8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe	3333333.exe
PID 2600 wrote to memory of 3320	2600	8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe	3333333.exe
PID 2600 wrote to memory of 968	2600	8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe	JDNumberScreen.exe
PID 2600 wrote to memory of 968	2600	8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe	JDNumberScreen.exe
PID 2600 wrote to memory of 968	2600	8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe	JDNumberScreen.exe

C:\Users\Admin\AppData\Local\Temp\8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe
"C:\Users\Admin\AppData\Local\Temp\8fd5513c98a7bc3476164cbc10e3a4d2fd01cf4561130ee38794156104c602aa.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Users\Admin\AppData\Local\Temp\3333333.exe
  "C:\Users\Admin\AppData\Local\Temp\3333333.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3320
- C:\Users\Admin\AppData\Local\Temp\JDNumberScreen.exe
  "C:\Users\Admin\AppData\Local\Temp\JDNumberScreen.exe"
  2⤵
  - Executes dropped EXE
  PID:968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 864
    3⤵
    - Program crash
    PID:2412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 968 -ip 968
1⤵
PID:4040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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\3333333.exe

Filesize
748KB

MD5
94febfb790dd667281a39ef721223eb8

SHA1
e6a1463b4efab77eb49f4f50657af3299647cf43

SHA256
491058d241900b54024e2182de42fac9cbf648922a69a757348689195f7da75f

SHA512
4c247a7acda401f38eeb9a248fa93bcb12e2d55f8c884fef6f8fd0c48a583763903dea43444994e3301f931326be3101b735cfea39af712c87bf4785c668466b

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

Filesize
829KB

MD5
fd50dbca6ccc3242a53ce06c6814d784

SHA1
bc5603f3e30bd8b6839e2694b034a8545ef71d4f

SHA256
95e63537cacbbcc50c9041c8bab2cc772220a0ef994f246e4734b17d6f73c203

SHA512
f4f71f6d67169fe13c0a68e03594a9e97bdb09e7ec1adceeb923276f295c4820b70b2d2336618d68c06c689508ea96a0db14475cc3f6023a0bb8eee953a94cef

Download Submit
memory/968-22-0x000000007331E000-0x000000007331F000-memory.dmp

Filesize
4KB

Download
memory/968-23-0x0000000000B50000-0x0000000000CA4000-memory.dmp

Filesize
1.3MB

Download
memory/968-27-0x0000000009A60000-0x0000000009AF2000-memory.dmp

Filesize
584KB

Download
memory/968-28-0x000000000A1D0000-0x000000000A774000-memory.dmp

Filesize
5.6MB

Download
memory/3320-24-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads