chinese_generic_botnet | b3159f8e9974da73ea503de350277b19007c1f47fd1e5635d2641efd25bc9007

Analysis

max time kernel
65s
max time network
150s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
29-05-2023 08:24

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General

Target

07754899.exe
Size

3.3MB
MD5

8743c3ae51102822d1b9f23a9340a22b
SHA1

6ab86675bffdfa441706f72406cfaa67c8b2fb53
SHA256

b3159f8e9974da73ea503de350277b19007c1f47fd1e5635d2641efd25bc9007
SHA512

084401541a0e754b4fc25c31a4eb005dcb5aee4a85c5c2e33f3c74ba54b6f865380585309ba4765c58a811879f66eb4bdd9eb8013f7ec17735979c16e9c5c888
SSDEEP

98304:neO0TPRHtdCuUyxIkzKw1kdVlOZFLOAkGkzdnEVomFHKnPr:nCRTgw1kdViFLOyomFHKnPr

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/828-54-0x0000000000630000-0x0000000000656000-memory.dmp	unk_chinese_botnet
behavioral1/memory/828-55-0x0000000010000000-0x0000000010027000-memory.dmp	unk_chinese_botnet

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

Windowsfig.exe

pid process

1340 Windowsfig.exe
Loads dropped DLL 6 IoCs

Processes:

07754899.exeWerFault.exe

pid process

828 07754899.exe
1676 WerFault.exe
1676 WerFault.exe
1676 WerFault.exe
1676 WerFault.exe
1676 WerFault.exe

pid	process
1340	Windowsfig.exe

pid	process
828	07754899.exe
1676	WerFault.exe
1676	WerFault.exe
1676	WerFault.exe
1676	WerFault.exe
1676	WerFault.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

07754899.exe

description	ioc	process
File opened (read-only)	\??\S:	07754899.exe
File opened (read-only)	\??\V:	07754899.exe
File opened (read-only)	\??\F:	07754899.exe
File opened (read-only)	\??\H:	07754899.exe
File opened (read-only)	\??\J:	07754899.exe
File opened (read-only)	\??\P:	07754899.exe
File opened (read-only)	\??\Z:	07754899.exe
File opened (read-only)	\??\G:	07754899.exe
File opened (read-only)	\??\M:	07754899.exe
File opened (read-only)	\??\X:	07754899.exe
File opened (read-only)	\??\Y:	07754899.exe
File opened (read-only)	\??\O:	07754899.exe
File opened (read-only)	\??\R:	07754899.exe
File opened (read-only)	\??\T:	07754899.exe
File opened (read-only)	\??\W:	07754899.exe
File opened (read-only)	\??\B:	07754899.exe
File opened (read-only)	\??\E:	07754899.exe
File opened (read-only)	\??\K:	07754899.exe
File opened (read-only)	\??\L:	07754899.exe
File opened (read-only)	\??\I:	07754899.exe
File opened (read-only)	\??\N:	07754899.exe
File opened (read-only)	\??\Q:	07754899.exe
File opened (read-only)	\??\U:	07754899.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

1676 1340 WerFault.exe Windowsfig.exe

pid	pid_target	process	target process
1676	1340	WerFault.exe	Windowsfig.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

07754899.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	07754899.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	07754899.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

07754899.exe

pid process

828 07754899.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

07754899.exe

pid process

828 07754899.exe

pid	process
828	07754899.exe

pid	process
828	07754899.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

07754899.exeWindowsfig.exe

description	pid	process	target process
PID 828 wrote to memory of 1340	828	07754899.exe	Windowsfig.exe
PID 828 wrote to memory of 1340	828	07754899.exe	Windowsfig.exe
PID 828 wrote to memory of 1340	828	07754899.exe	Windowsfig.exe
PID 828 wrote to memory of 1340	828	07754899.exe	Windowsfig.exe
PID 1340 wrote to memory of 1676	1340	Windowsfig.exe	WerFault.exe
PID 1340 wrote to memory of 1676	1340	Windowsfig.exe	WerFault.exe
PID 1340 wrote to memory of 1676	1340	Windowsfig.exe	WerFault.exe
PID 1340 wrote to memory of 1676	1340	Windowsfig.exe	WerFault.exe
PID 828 wrote to memory of 912	828	07754899.exe	cmd.exe
PID 828 wrote to memory of 912	828	07754899.exe	cmd.exe
PID 828 wrote to memory of 912	828	07754899.exe	cmd.exe
PID 828 wrote to memory of 912	828	07754899.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\07754899.exe
"C:\Users\Admin\AppData\Local\Temp\07754899.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:828

C:\ProgramData\Windowsfig.exe
"C:\ProgramData\Windowsfig.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 624
3⤵
- Loads dropped DLL
- Program crash
PID:1676

C:\Windows\SysWOW64\cmd.exe
cmd /C "del /F /S /Q /A C:\ProgramData\Windowsfig.exe"
2⤵
PID:912

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

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/828-54-0x0000000000630000-0x0000000000656000-memory.dmp

Filesize
152KB

Download
memory/828-55-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/1340-80-0x0000000000230000-0x000000000024E000-memory.dmp

Filesize
120KB

Download
memory/1340-81-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1340-82-0x0000000004B30000-0x0000000004B70000-memory.dmp

Filesize
256KB

Download
memory/1340-79-0x0000000001260000-0x0000000001280000-memory.dmp

Filesize
128KB

Download
memory/1340-88-0x0000000004B30000-0x0000000004B70000-memory.dmp

Filesize
256KB

Download