gh0strat | 21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78

General

Target

21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe
Size

1.6MB
MD5

7cab4e89ff40da0b5cb468ac1ffd378b
SHA1

9e52bce3e4207d193ce3057ecb9aa5022078b630
SHA256

21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78
SHA512

dca0ceaeae20ce0fe3f192648e281321a85cfbd10428230d518249ba96863e9eb21f5526eb07bfbdeea6f54c2b0530055f38886d48e9df31e866dba2bcb0ae2f
SSDEEP

24576:jQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVILdwILUsWAsg:jQZAdVyVT9n/Gg0P+WhoNdw4Ft

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2172-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2172-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2172-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2908-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2540-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2908-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2540-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2540-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2172-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2540-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2172-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2172-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2172-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2908-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2540-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
\Windows\SysWOW64\259427790.txt	family_gh0strat
behavioral1/memory/2908-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2540-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2540-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2172-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2540-42-0x0000000010000000-0x00000000101B6000-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
Drops file in Drivers directory 1 IoCs

Processes:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchos.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259427790.txt"	svchos.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatforn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 5 IoCs

Processes:

svchost.exeTXPlatforn.exeTXPlatforn.exesvchos.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid process

2172 svchost.exe
2908 TXPlatforn.exe
2540 TXPlatforn.exe
2436 svchos.exe
2696 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
2172	svchost.exe
2908	TXPlatforn.exe
2540	TXPlatforn.exe
2436	svchos.exe
2696	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

Processes:

21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exeTXPlatforn.exesvchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	process
1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe
2908	TXPlatforn.exe
1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe
2436	svchos.exe
2496	svchost.exe
2496	svchost.exe
2696	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2172-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2172-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2172-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2172-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2908-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2540-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2908-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2540-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2540-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2172-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2540-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchos.exesvchost.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259427790.txt	svchos.exe

Drops file in Program Files directory 4 IoCs

Processes:

21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe

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

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2356 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2540 TXPlatforn.exe

pid	process
2356	PING.EXE

pid	process
2540	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2172	svchost.exe
Token: SeLoadDriverPrivilege	2540	TXPlatforn.exe
Token: 33	2540	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2540	TXPlatforn.exe
Token: 33	2540	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2540	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe

pid	process
1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe
1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	process	target process
PID 1692 wrote to memory of 2172	1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe	svchost.exe
PID 1692 wrote to memory of 2172	1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe	svchost.exe
PID 1692 wrote to memory of 2172	1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe	svchost.exe
PID 1692 wrote to memory of 2172	1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe	svchost.exe
PID 1692 wrote to memory of 2172	1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe	svchost.exe
PID 1692 wrote to memory of 2172	1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe	svchost.exe
PID 1692 wrote to memory of 2172	1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe	svchost.exe
PID 2172 wrote to memory of 2528	2172	svchost.exe	cmd.exe
PID 2172 wrote to memory of 2528	2172	svchost.exe	cmd.exe
PID 2172 wrote to memory of 2528	2172	svchost.exe	cmd.exe
PID 2172 wrote to memory of 2528	2172	svchost.exe	cmd.exe
PID 2908 wrote to memory of 2540	2908	TXPlatforn.exe	TXPlatforn.exe
PID 2908 wrote to memory of 2540	2908	TXPlatforn.exe	TXPlatforn.exe
PID 2908 wrote to memory of 2540	2908	TXPlatforn.exe	TXPlatforn.exe
PID 2908 wrote to memory of 2540	2908	TXPlatforn.exe	TXPlatforn.exe
PID 2908 wrote to memory of 2540	2908	TXPlatforn.exe	TXPlatforn.exe
PID 2908 wrote to memory of 2540	2908	TXPlatforn.exe	TXPlatforn.exe
PID 2908 wrote to memory of 2540	2908	TXPlatforn.exe	TXPlatforn.exe
PID 1692 wrote to memory of 2436	1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe	svchos.exe
PID 1692 wrote to memory of 2436	1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe	svchos.exe
PID 1692 wrote to memory of 2436	1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe	svchos.exe
PID 1692 wrote to memory of 2436	1692	21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe	svchos.exe
PID 2528 wrote to memory of 2356	2528	cmd.exe	PING.EXE
PID 2528 wrote to memory of 2356	2528	cmd.exe	PING.EXE
PID 2528 wrote to memory of 2356	2528	cmd.exe	PING.EXE
PID 2528 wrote to memory of 2356	2528	cmd.exe	PING.EXE
PID 2496 wrote to memory of 2696	2496	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2496 wrote to memory of 2696	2496	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2496 wrote to memory of 2696	2496	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
PID 2496 wrote to memory of 2696	2496	svchost.exe	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

C:\Users\Admin\AppData\Local\Temp\21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe
"C:\Users\Admin\AppData\Local\Temp\21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1692

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\\svchost.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172

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\svchost.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:2528

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2356

C:\Users\Admin\AppData\Local\Temp\svchos.exe
C:\Users\Admin\AppData\Local\Temp\\svchos.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:2436

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2908

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -acsi
2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2540

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2504

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2496

C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259427790.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2696

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.6MB

MD5
7cab4e89ff40da0b5cb468ac1ffd378b

SHA1
9e52bce3e4207d193ce3057ecb9aa5022078b630

SHA256
21cedce4a97a433ddf82001a70752e098aad5377754e2e813b4ce00dd7c37a78

SHA512
dca0ceaeae20ce0fe3f192648e281321a85cfbd10428230d518249ba96863e9eb21f5526eb07bfbdeea6f54c2b0530055f38886d48e9df31e866dba2bcb0ae2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchos.exe
Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259427790.txt
Filesize
50KB

MD5
f2c0e7a683da61553acfb6bfad792bae

SHA1
b11e8652395e88465740a092c3a7c4c27a3869de

SHA256
3deda5e61c34e0bbd28e0f1e57634ac07753fcfa88afb8816c098e83ff7c0991

SHA512
5ad6a6e43909af6086b7b2f8dbb63660dc6f0ee75806504a59f71d61e65f8472aaf11d568eae483448a6e2a3cf6405bd4481cf51de24ae6947796176e07be207

Download Submit
\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2172-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2172-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2172-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2172-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2172-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2540-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2540-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2540-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2540-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2908-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2908-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads