chinese_generic_botnet | c03c9d22c013990be03bf7bfc65cb34db47beb0381856b992c340dfd5b6406b2

Analysis

max time kernel
269s
max time network
364s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
12-02-2023 10:04

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General

Target

tmp.exe
Size

1.3MB
MD5

70fc8ed66dcbf35718325bd94f7dd1e7
SHA1

cd36fdf88632fa7676d5d5f649d44f2ac4f2342f
SHA256

c03c9d22c013990be03bf7bfc65cb34db47beb0381856b992c340dfd5b6406b2
SHA512

eff121acdc3eeb38cb8826e8507b8458daacd51cd058dec600b747a94a05e07088ded4eb912973bcfc846dee6e0001109cf914a26335c0bd430c12a703aa5dea
SSDEEP

24576:c7YKIYHC9+TrolcVDql1BdPYJ5jJtf4ShbWolOHoFN6WtljaEyEg:cUKI3gAeDqvbOtrhZ8HoFN6WtljaEyE

Score

10^/10

chinese_generic_botnet botnet persistence

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
behavioral1/memory/772-4624-0x0000000000400000-0x000000000072F000-memory.dmp	unk_chinese_botnet

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\Terms.exe"	tmp.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:

tmp.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs

Processes:

tmp.exe

pid	process
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe
772	tmp.exe

Drops file in Windows directory 2 IoCs

Processes:

tmp.exe

description ioc process

File created C:\Windows\Terms.exe tmp.exe
File opened for modification C:\Windows\Terms.exe tmp.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Terms.exe	tmp.exe
File opened for modification	C:\Windows\Terms.exe	tmp.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:

tmp.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmp.exe

pid process

772 tmp.exe
772 tmp.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

tmp.exe

pid process

772 tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:772

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

memory/772-54-0x0000000076201000-0x0000000076203000-memory.dmp

Filesize
8KB

Download
memory/772-56-0x0000000075C00000-0x0000000075C47000-memory.dmp

Filesize
284KB

Download
memory/772-246-0x0000000000220000-0x000000000025E000-memory.dmp

Filesize
248KB

Download
memory/772-244-0x0000000000400000-0x000000000072F000-memory.dmp

Filesize
3.2MB

Download
memory/772-464-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-467-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-466-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-465-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-469-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-468-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-472-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-471-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-470-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-474-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-473-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-485-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-484-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-483-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-482-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-481-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-525-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-524-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-523-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-522-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-521-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-520-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-519-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-518-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-517-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-516-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-515-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-514-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-513-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-512-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-511-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-510-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-509-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-508-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-507-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-506-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-505-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-504-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-503-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-502-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-501-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-500-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-499-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-498-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-497-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-496-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-495-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-494-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-493-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-492-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-491-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-490-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-489-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-488-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-487-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-486-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-480-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-479-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-478-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-477-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-476-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-475-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-1599-0x0000000002390000-0x0000000002490000-memory.dmp

Filesize
1024KB

Download
memory/772-1601-0x00000000024D0000-0x0000000002651000-memory.dmp

Filesize
1.5MB

Download
memory/772-3592-0x0000000000400000-0x000000000072F000-memory.dmp

Filesize
3.2MB

Download
memory/772-4623-0x00000000028A0000-0x00000000029A1000-memory.dmp

Filesize
1.0MB

Download
memory/772-4622-0x0000000002780000-0x0000000002891000-memory.dmp

Filesize
1.1MB

Download
memory/772-4624-0x0000000000400000-0x000000000072F000-memory.dmp

Filesize
3.2MB

Download
memory/772-4628-0x0000000002390000-0x0000000002490000-memory.dmp

Filesize
1024KB

Download