chinese_generic_botnet | be817248c8fc124a548b2187aa95fca5b2a5de02cabbd18a2463d2cb5a1593ab

Analysis

max time kernel
154s
max time network
162s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
07-04-2023 08:36

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General

Target

tmp.exe
Size

3.3MB
MD5

a3b10f3a5f223f5098ec991f21ab85aa
SHA1

04765416947784368adaf3bea627bcd3c817f0f8
SHA256

be817248c8fc124a548b2187aa95fca5b2a5de02cabbd18a2463d2cb5a1593ab
SHA512

77d3183c13b0f70f963d9fe271c2f5889710d09a7acdf95650d8ac20b21009a0078803922803c73fcb237d5c6f070f7a016e6b13e8635d98a3f3df83c1292979
SSDEEP

98304:Wbjsyw3BKLujJ5iV0hH1bRWydCOHoFN6WtljaEy9/FLOAkGkzdnEVomFHKnP:We3YY1bRWybHmN6WtljaEylFLOyomFHo

Score

10^/10

chinese_generic_botnet botnet

Malware Config

Signatures

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

Chinese Botnet payload 2 IoCs

botnet

Processes:

resource	yara_rule
behavioral1/memory/1776-54-0x0000000000170000-0x0000000000196000-memory.dmp	unk_chinese_botnet
behavioral1/memory/1776-55-0x0000000010000000-0x0000000010027000-memory.dmp	unk_chinese_botnet

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

Windowsfig.exe

pid process

728 Windowsfig.exe
Loads dropped DLL 6 IoCs

Processes:

tmp.exeWerFault.exe

pid process

1776 tmp.exe
1764 WerFault.exe
1764 WerFault.exe
1764 WerFault.exe
1764 WerFault.exe
1764 WerFault.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

1764 728 WerFault.exe Windowsfig.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

tmp.exe

pid process

1776 tmp.exe

pid	process
728	Windowsfig.exe

pid	process
1776	tmp.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe
1764	WerFault.exe

pid	pid_target	process	target process
1764	728	WerFault.exe	Windowsfig.exe

pid	process
1776	tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

tmp.exeWindowsfig.exe

description	pid	process	target process
PID 1776 wrote to memory of 728	1776	tmp.exe	Windowsfig.exe
PID 1776 wrote to memory of 728	1776	tmp.exe	Windowsfig.exe
PID 1776 wrote to memory of 728	1776	tmp.exe	Windowsfig.exe
PID 1776 wrote to memory of 728	1776	tmp.exe	Windowsfig.exe
PID 728 wrote to memory of 1764	728	Windowsfig.exe	WerFault.exe
PID 728 wrote to memory of 1764	728	Windowsfig.exe	WerFault.exe
PID 728 wrote to memory of 1764	728	Windowsfig.exe	WerFault.exe
PID 728 wrote to memory of 1764	728	Windowsfig.exe	WerFault.exe
PID 1776 wrote to memory of 1532	1776	tmp.exe	cmd.exe
PID 1776 wrote to memory of 1532	1776	tmp.exe	cmd.exe
PID 1776 wrote to memory of 1532	1776	tmp.exe	cmd.exe
PID 1776 wrote to memory of 1532	1776	tmp.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1776

C:\ProgramData\Windowsfig.exe
"C:\ProgramData\Windowsfig.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 728 -s 624
3⤵
- Loads dropped DLL
- Program crash
PID:1764

C:\Windows\SysWOW64\cmd.exe
cmd /C "del /F /S /Q /A C:\ProgramData\Windowsfig.exe"
2⤵
PID:1532

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\Windowsfig.exe
Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
C:\ProgramData\Windowsfig.exe
Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
C:\ProgramData\Windowsfig.exe
Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
\ProgramData\Windowsfig.exe
Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
\ProgramData\Windowsfig.exe
Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
\ProgramData\Windowsfig.exe
Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
\ProgramData\Windowsfig.exe
Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
\ProgramData\Windowsfig.exe
Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
\ProgramData\Windowsfig.exe
Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
memory/728-82-0x0000000000A20000-0x0000000000A40000-memory.dmp

Filesize
128KB

Download
memory/728-83-0x00000000001F0000-0x000000000020E000-memory.dmp

Filesize
120KB

Download
memory/728-84-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/728-90-0x0000000004290000-0x00000000042D0000-memory.dmp

Filesize
256KB

Download
memory/728-91-0x0000000004290000-0x00000000042D0000-memory.dmp

Filesize
256KB

Download
memory/1776-55-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/1776-54-0x0000000000170000-0x0000000000196000-memory.dmp

Filesize
152KB

Download