gh0strat | 2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1

General

Target

2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exe
Size

3.9MB
MD5

ae7001470fbdf06d68150edcb4482e45
SHA1

c5ef18f9c78541b44c82ee444a76192120e181d5
SHA256

2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1
SHA512

26f8b81b6cd45e23fb38de0ab2ba68eb4b034ef0758fefcc2c7b14a87839bf8f5f231f028d49c4b49c238a0a7a16054418120fd173a3caee238be2e31dfa56ec
SSDEEP

98304:04o3WXmh+fxLkog2GyCN5t9TbwoalozL3uRS5VWngBS5mH:nUgkog2GyCNBTEnlO3u

Score

10^/10

gh0strat purplefox rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/848-133-0x0000000010000000-0x00000000101B0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2720-143-0x0000000010000000-0x00000000101B0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2160-150-0x0000000010000000-0x00000000101B0000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/848-133-0x0000000010000000-0x00000000101B0000-memory.dmp	family_gh0strat
behavioral2/memory/2720-143-0x0000000010000000-0x00000000101B0000-memory.dmp	family_gh0strat
behavioral2/memory/2160-150-0x0000000010000000-0x00000000101B0000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Executes dropped EXE 2 IoCs

Processes:

Kcdef.exeKcdef.exe

pid process

2720 Kcdef.exe
2160 Kcdef.exe

pid	process
2720	Kcdef.exe
2160	Kcdef.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:

Kcdef.exe

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

Drops file in System32 directory 2 IoCs

Processes:

2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Kcdef.exe	2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exe
File opened for modification	C:\Windows\SysWOW64\Kcdef.exe	2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.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:

Kcdef.exe

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

Modifies data under HKEY_USERS 5 IoCs

Processes:

Kcdef.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Kcdef.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Kcdef.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	Kcdef.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	Kcdef.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	Kcdef.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2924 PING.EXE

pid	process
2924	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Kcdef.exe

pid	process
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe
2160	Kcdef.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exe

description pid process

Token: SeIncBasePriorityPrivilege 848 2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	848	2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exeKcdef.execmd.exe

description	pid	process	target process
PID 848 wrote to memory of 1636	848	2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exe	cmd.exe
PID 848 wrote to memory of 1636	848	2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exe	cmd.exe
PID 848 wrote to memory of 1636	848	2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exe	cmd.exe
PID 2720 wrote to memory of 2160	2720	Kcdef.exe	Kcdef.exe
PID 2720 wrote to memory of 2160	2720	Kcdef.exe	Kcdef.exe
PID 2720 wrote to memory of 2160	2720	Kcdef.exe	Kcdef.exe
PID 1636 wrote to memory of 2924	1636	cmd.exe	PING.EXE
PID 1636 wrote to memory of 2924	1636	cmd.exe	PING.EXE
PID 1636 wrote to memory of 2924	1636	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exe
"C:\Users\Admin\AppData\Local\Temp\2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:848

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\2A75F7~1.EXE > nul
2⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
3⤵
- Runs ping.exe
PID:2924

C:\Windows\SysWOW64\Kcdef.exe
C:\Windows\SysWOW64\Kcdef.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2720

C:\Windows\SysWOW64\Kcdef.exe
C:\Windows\SysWOW64\Kcdef.exe -acsi
2⤵
- Executes dropped EXE
- Enumerates connected drives
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:2160

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\SysWOW64\Kcdef.exe
Filesize
3.9MB

MD5
ae7001470fbdf06d68150edcb4482e45

SHA1
c5ef18f9c78541b44c82ee444a76192120e181d5

SHA256
2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1

SHA512
26f8b81b6cd45e23fb38de0ab2ba68eb4b034ef0758fefcc2c7b14a87839bf8f5f231f028d49c4b49c238a0a7a16054418120fd173a3caee238be2e31dfa56ec

Download Submit
C:\Windows\SysWOW64\Kcdef.exe
Filesize
3.9MB

MD5
ae7001470fbdf06d68150edcb4482e45

SHA1
c5ef18f9c78541b44c82ee444a76192120e181d5

SHA256
2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1

SHA512
26f8b81b6cd45e23fb38de0ab2ba68eb4b034ef0758fefcc2c7b14a87839bf8f5f231f028d49c4b49c238a0a7a16054418120fd173a3caee238be2e31dfa56ec

Download Submit
C:\Windows\SysWOW64\Kcdef.exe
Filesize
3.9MB

MD5
ae7001470fbdf06d68150edcb4482e45

SHA1
c5ef18f9c78541b44c82ee444a76192120e181d5

SHA256
2a75f7cffee7e075a0a45ad044cc4ad39c8b8b656b29975f6679fe8194e19fc1

SHA512
26f8b81b6cd45e23fb38de0ab2ba68eb4b034ef0758fefcc2c7b14a87839bf8f5f231f028d49c4b49c238a0a7a16054418120fd173a3caee238be2e31dfa56ec

Download Submit
memory/848-133-0x0000000010000000-0x00000000101B0000-memory.dmp

Filesize
1.7MB

Download
memory/2160-150-0x0000000010000000-0x00000000101B0000-memory.dmp

Filesize
1.7MB

Download
memory/2720-143-0x0000000010000000-0x00000000101B0000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads