chinese_generic_botnet | 18459ea969be44966cb9bdd8d65d93d91dc2635d952f02aee69d6e2eaec2c679

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
18-08-2022 13:34

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General

Target

xzw.exe
Size

872KB
MD5

d156b1ffd7d387927ee88491a26ccae6
SHA1

15764f67963a0e70f2b310510b95021d7e4aa27d
SHA256

18459ea969be44966cb9bdd8d65d93d91dc2635d952f02aee69d6e2eaec2c679
SHA512

0c213b94f86e49dfad8aed263ef11f5c24b9597591ae7f37b6451f513c1451f603c27676e547809976f636c86d2650fe12c988cdf2cea5ee6843612583ade283

Score

10^/10

chinese_generic_botnet gh0strat botnet rat upx

Malware Config

Signatures

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

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1508-9501-0x0000000003C60000-0x0000000003DAF000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Chinese Botnet payload 3 IoCs

botnet

Processes:

resource	yara_rule
behavioral1/memory/1508-5610-0x0000000000400000-0x0000000000527000-memory.dmp	unk_chinese_botnet
behavioral1/memory/740-9490-0x0000000000400000-0x0000000000527000-memory.dmp	unk_chinese_botnet
behavioral1/memory/740-9495-0x0000000000400000-0x0000000000527000-memory.dmp	unk_chinese_botnet

Executes dropped EXE 1 IoCs

Processes:

Msemswe.exe

pid process

740 Msemswe.exe

pid	process
740	Msemswe.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1508-9501-0x0000000003C60000-0x0000000003DAF000-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:

xzw.exe

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

Drops file in System32 directory 1 IoCs

Processes:

Msemswe.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	Msemswe.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 30 IoCs

Processes:

xzw.exeMsemswe.exe

pid	process
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
740	Msemswe.exe
740	Msemswe.exe
1508	xzw.exe
740	Msemswe.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe
1508	xzw.exe

Drops file in Program Files directory 2 IoCs

Processes:

xzw.exe

description ioc process

File created C:\Program Files (x86)\Msemswe.exe xzw.exe
File opened for modification C:\Program Files (x86)\Msemswe.exe xzw.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:\Program Files (x86)\Msemswe.exe	xzw.exe
File opened for modification	C:\Program Files (x86)\Msemswe.exe	xzw.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:

xzw.exe

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

Modifies data under HKEY_USERS 13 IoCs

Processes:

Msemswe.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Msemswe.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	Msemswe.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	Msemswe.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	Msemswe.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	Msemswe.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Msemswe.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Msemswe.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Msemswe.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Msemswe.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	Msemswe.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	Msemswe.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Msemswe.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	Msemswe.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

xzw.exe

pid process

1508 xzw.exe

C:\Users\Admin\AppData\Local\Temp\xzw.exe
"C:\Users\Admin\AppData\Local\Temp\xzw.exe"
1⤵
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1508

C:\Program Files (x86)\Msemswe.exe
"C:\Program Files (x86)\Msemswe.exe"
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies data under HKEY_USERS
PID:740

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:\Program Files (x86)\Msemswe.exe
Filesize
872KB

MD5
d156b1ffd7d387927ee88491a26ccae6

SHA1
15764f67963a0e70f2b310510b95021d7e4aa27d

SHA256
18459ea969be44966cb9bdd8d65d93d91dc2635d952f02aee69d6e2eaec2c679

SHA512
0c213b94f86e49dfad8aed263ef11f5c24b9597591ae7f37b6451f513c1451f603c27676e547809976f636c86d2650fe12c988cdf2cea5ee6843612583ade283

Download Submit
C:\Program Files (x86)\Msemswe.exe
Filesize
872KB

MD5
d156b1ffd7d387927ee88491a26ccae6

SHA1
15764f67963a0e70f2b310510b95021d7e4aa27d

SHA256
18459ea969be44966cb9bdd8d65d93d91dc2635d952f02aee69d6e2eaec2c679

SHA512
0c213b94f86e49dfad8aed263ef11f5c24b9597591ae7f37b6451f513c1451f603c27676e547809976f636c86d2650fe12c988cdf2cea5ee6843612583ade283

Download Submit
memory/740-4726-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/740-6111-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/740-6113-0x0000000001FB0000-0x0000000002131000-memory.dmp

Filesize
1.5MB

Download
memory/740-9495-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/740-9494-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/740-9490-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/740-9489-0x0000000002140000-0x0000000002251000-memory.dmp

Filesize
1.1MB

Download
memory/1508-497-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-469-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-467-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-468-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/1508-499-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-500-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-471-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-472-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-473-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-474-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-475-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-476-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-477-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-478-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-479-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-480-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-481-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-482-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-483-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-484-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-485-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-486-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-487-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-488-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-489-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-490-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-491-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-492-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-493-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-494-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-495-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-465-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-496-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-498-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-501-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-466-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-470-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-502-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-503-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-504-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-505-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-506-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-507-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-508-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-509-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-510-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-511-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-512-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-513-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-514-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-515-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-516-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-517-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-518-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-519-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-520-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-521-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-522-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-523-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-524-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-525-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-1572-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/1508-1574-0x0000000001F30000-0x00000000020B1000-memory.dmp

Filesize
1.5MB

Download
memory/1508-4718-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-464-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-463-0x00000000020C0000-0x00000000021D1000-memory.dmp

Filesize
1.1MB

Download
memory/1508-56-0x0000000075010000-0x0000000075057000-memory.dmp

Filesize
284KB

Download
memory/1508-54-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download
memory/1508-4719-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/1508-4723-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/1508-5610-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/1508-9501-0x0000000003C60000-0x0000000003DAF000-memory.dmp

Filesize
1.3MB

Download