chinese_generic_botnet | 1adefb8b0d96411ad2b43e65438381e2abc2548ea8e077539ed4a53b8ef517bb

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
02-04-2023 13:37

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General

Target

tmp.exe
Size

2.2MB
MD5

45e7d737636f1906bdc2e4ef12ba02e1
SHA1

89528f87483998981e5a08d7d93c81ec1747860e
SHA256

1adefb8b0d96411ad2b43e65438381e2abc2548ea8e077539ed4a53b8ef517bb
SHA512

2bb5b9bfe77c5d148a8b1e230588897f8341510bee854e9b6c7373048c3a08c4bfbb52a602369122008fe5aa7ce5e5311d7e7ea8e35a23f76c3ae415f63e22f6
SSDEEP

49152:2VPKtAZe39RT9D2PwgOWH3+E3B2EU9Dcg7ODwI5p/2QYqHoFN6WtljaEy9YaB:qKSgtRT52nOWHrR2EUigUD5p/2QjHoFC

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/1696-54-0x0000000000110000-0x0000000000136000-memory.dmp	unk_chinese_botnet
behavioral1/memory/1696-55-0x0000000010000000-0x0000000010027000-memory.dmp	unk_chinese_botnet

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

Windowsfig.exe

pid process

1624 Windowsfig.exe
Loads dropped DLL 6 IoCs

Processes:

tmp.exeWerFault.exe

pid process

1696 tmp.exe
1012 WerFault.exe
1012 WerFault.exe
1012 WerFault.exe
1012 WerFault.exe
1012 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

1012 1624 WerFault.exe Windowsfig.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

tmp.exe

pid process

1696 tmp.exe

pid	process
1624	Windowsfig.exe

pid	process
1696	tmp.exe
1012	WerFault.exe
1012	WerFault.exe
1012	WerFault.exe
1012	WerFault.exe
1012	WerFault.exe

pid	pid_target	process	target process
1012	1624	WerFault.exe	Windowsfig.exe

pid	process
1696	tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

tmp.exeWindowsfig.exe

description	pid	process	target process
PID 1696 wrote to memory of 1624	1696	tmp.exe	Windowsfig.exe
PID 1696 wrote to memory of 1624	1696	tmp.exe	Windowsfig.exe
PID 1696 wrote to memory of 1624	1696	tmp.exe	Windowsfig.exe
PID 1696 wrote to memory of 1624	1696	tmp.exe	Windowsfig.exe
PID 1624 wrote to memory of 1012	1624	Windowsfig.exe	WerFault.exe
PID 1624 wrote to memory of 1012	1624	Windowsfig.exe	WerFault.exe
PID 1624 wrote to memory of 1012	1624	Windowsfig.exe	WerFault.exe
PID 1624 wrote to memory of 1012	1624	Windowsfig.exe	WerFault.exe
PID 1696 wrote to memory of 1756	1696	tmp.exe	cmd.exe
PID 1696 wrote to memory of 1756	1696	tmp.exe	cmd.exe
PID 1696 wrote to memory of 1756	1696	tmp.exe	cmd.exe
PID 1696 wrote to memory of 1756	1696	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:1696

C:\ProgramData\Windowsfig.exe
"C:\ProgramData\Windowsfig.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 624
3⤵
- Loads dropped DLL
- Program crash
PID:1012

C:\Windows\SysWOW64\cmd.exe
cmd /C "del /F /S /Q /A C:\ProgramData\Windowsfig.exe"
2⤵
PID:1756

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/1624-74-0x0000000000B60000-0x0000000000B80000-memory.dmp

Filesize
128KB

Download
memory/1624-75-0x0000000000360000-0x000000000037E000-memory.dmp

Filesize
120KB

Download
memory/1624-76-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1624-82-0x0000000004900000-0x0000000004940000-memory.dmp

Filesize
256KB

Download
memory/1624-83-0x0000000004900000-0x0000000004940000-memory.dmp

Filesize
256KB

Download
memory/1696-55-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/1696-54-0x0000000000110000-0x0000000000136000-memory.dmp

Filesize
152KB

Download