chinese_generic_botnet | aefa0c41929cf9633f8b378e321554c10f70c33905232832d3ebd5c81cc54928

Analysis

max time kernel
39s
max time network
155s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06-10-2022 10:14

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General

Target

tmp.exe
Size

406KB
MD5

8c0af89b680e836ad8836b155d782bb7
SHA1

81b1933ccaadea578c00a5ac9a2083ec3ca1b440
SHA256

aefa0c41929cf9633f8b378e321554c10f70c33905232832d3ebd5c81cc54928
SHA512

164f35efe69d5283a5b1c049f954dd5294384d846a8fcd0dfac838b8baea9c154109315c88c5c12690fa3240f973aceb68b7f8b55659e565713bfc9d84895fa2
SSDEEP

6144:llOjQblatxYnJt/wHoFN6WtljaJul+p6Zi:ll47YnJt/wHoFN6WtljaElI2i

Score

10^/10

chinese_generic_botnet botnet upx

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/1416-56-0x0000000010000000-0x0000000010018000-memory.dmp	unk_chinese_botnet
behavioral1/memory/1416-59-0x0000000000400000-0x0000000000510000-memory.dmp	unk_chinese_botnet

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1416-54-0x0000000000400000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1416-59-0x0000000000400000-0x0000000000510000-memory.dmp	upx

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

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

System Information Discovery
T1082

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 1 IoCs

Processes:

tmp.exe

pid process

1416 tmp.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

tmp.exe

pid process

1416 tmp.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

tmp.exe

pid process

1416 tmp.exe

pid	process
1416	tmp.exe

pid	process
1416	tmp.exe

pid	process
1416	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:1416

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

memory/1416-54-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/1416-55-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/1416-56-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/1416-59-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download