gh0strat | 0108aa34b802442199c1c4d33aa6826c4a098fe72343a4aa690ea5be5cfba7d0

General

Target

tmp.exe
Size

375KB
MD5

ae8feb1dadf827be9a522b4159f3ac9a
SHA1

b93774b6d58ccbe20aaf95d22636502a5eb9f762
SHA256

0108aa34b802442199c1c4d33aa6826c4a098fe72343a4aa690ea5be5cfba7d0
SHA512

ff607684539d533f385576b0cd14f902b8f3abe3eb3d9ccf7d35dae117e224ec177a53e8b1571df6785ff92626d3f73c666ecd09e2d7a47689d3f4c1932d47b2
SSDEEP

6144:ORjbUHOvGUNIE/FDjBazqjWgR+MSEtvlZTONpRGX5B4PY3mA0O0Gp8Nh/5Jod:ejbh9tDjiuT+xEtl0u4w3mAZyUd

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
behavioral2/memory/4984-134-0x0000000010000000-0x00000000101A5000-memory.dmp	purplefox_rootkit
behavioral2/memory/4984-135-0x0000000010000000-0x00000000101A5000-memory.dmp	purplefox_rootkit
behavioral2/memory/4984-138-0x0000000010000000-0x00000000101A5000-memory.dmp	purplefox_rootkit
behavioral2/memory/4852-142-0x0000000010000000-0x00000000101A5000-memory.dmp	purplefox_rootkit
behavioral2/memory/4852-143-0x0000000010000000-0x00000000101A5000-memory.dmp	purplefox_rootkit
behavioral2/memory/4852-147-0x0000000010000000-0x00000000101A5000-memory.dmp	purplefox_rootkit
behavioral2/memory/4296-151-0x0000000010000000-0x00000000101A5000-memory.dmp	purplefox_rootkit
behavioral2/memory/4296-152-0x0000000010000000-0x00000000101A5000-memory.dmp	purplefox_rootkit
behavioral2/memory/4296-153-0x0000000010000000-0x00000000101A5000-memory.dmp	purplefox_rootkit
behavioral2/memory/4296-154-0x0000000010000000-0x00000000101A5000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4984-134-0x0000000010000000-0x00000000101A5000-memory.dmp	family_gh0strat
behavioral2/memory/4984-135-0x0000000010000000-0x00000000101A5000-memory.dmp	family_gh0strat
behavioral2/memory/4984-138-0x0000000010000000-0x00000000101A5000-memory.dmp	family_gh0strat
behavioral2/memory/4852-142-0x0000000010000000-0x00000000101A5000-memory.dmp	family_gh0strat
behavioral2/memory/4852-143-0x0000000010000000-0x00000000101A5000-memory.dmp	family_gh0strat
behavioral2/memory/4852-147-0x0000000010000000-0x00000000101A5000-memory.dmp	family_gh0strat
behavioral2/memory/4296-151-0x0000000010000000-0x00000000101A5000-memory.dmp	family_gh0strat
behavioral2/memory/4296-152-0x0000000010000000-0x00000000101A5000-memory.dmp	family_gh0strat
behavioral2/memory/4296-153-0x0000000010000000-0x00000000101A5000-memory.dmp	family_gh0strat
behavioral2/memory/4296-154-0x0000000010000000-0x00000000101A5000-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:

sainbox.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys sainbox.exe
Executes dropped EXE 2 IoCs

Processes:

sainbox.exesainbox.exe

pid process

4852 sainbox.exe
4296 sainbox.exe
Sets service image path in registry 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

sainbox.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" sainbox.exe

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

pid	process
4852	sainbox.exe
4296	sainbox.exe

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

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4984-132-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4984-134-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4984-135-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4984-138-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4852-139-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4852-142-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4852-143-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4852-147-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4296-149-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4296-151-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4296-152-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4296-153-0x0000000010000000-0x00000000101A5000-memory.dmp	upx
behavioral2/memory/4296-154-0x0000000010000000-0x00000000101A5000-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:

sainbox.exe

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

Drops file in System32 directory 2 IoCs

Processes:

tmp.exe

description ioc process

File created C:\Windows\SysWOW64\sainbox.exe tmp.exe
File opened for modification C:\Windows\SysWOW64\sainbox.exe tmp.exe

description	ioc	process
File created	C:\Windows\SysWOW64\sainbox.exe	tmp.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.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:

sainbox.exe

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

Modifies data under HKEY_USERS 5 IoCs

Processes:

sainbox.exe

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1932 PING.EXE

pid	process
1932	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

sainbox.exe

pid	process
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe
4296	sainbox.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

sainbox.exe

pid process

4296 sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

tmp.exesainbox.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4984	tmp.exe
Token: SeLoadDriverPrivilege	4296	sainbox.exe
Token: 33	4296	sainbox.exe
Token: SeIncBasePriorityPrivilege	4296	sainbox.exe
Token: 33	4296	sainbox.exe
Token: SeIncBasePriorityPrivilege	4296	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

tmp.exesainbox.execmd.exe

description	pid	process	target process
PID 4984 wrote to memory of 4244	4984	tmp.exe	cmd.exe
PID 4984 wrote to memory of 4244	4984	tmp.exe	cmd.exe
PID 4984 wrote to memory of 4244	4984	tmp.exe	cmd.exe
PID 4852 wrote to memory of 4296	4852	sainbox.exe	sainbox.exe
PID 4852 wrote to memory of 4296	4852	sainbox.exe	sainbox.exe
PID 4852 wrote to memory of 4296	4852	sainbox.exe	sainbox.exe
PID 4244 wrote to memory of 1932	4244	cmd.exe	PING.EXE
PID 4244 wrote to memory of 1932	4244	cmd.exe	PING.EXE
PID 4244 wrote to memory of 1932	4244	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4984

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\tmp.exe > nul
2⤵
- Suspicious use of WriteProcessMemory
PID:4244

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
3⤵
- Runs ping.exe
PID:1932

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4852

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -acsi
2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Sets service image path in registry
- Enumerates connected drives
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:4296

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\sainbox.exe
Filesize
375KB

MD5
ae8feb1dadf827be9a522b4159f3ac9a

SHA1
b93774b6d58ccbe20aaf95d22636502a5eb9f762

SHA256
0108aa34b802442199c1c4d33aa6826c4a098fe72343a4aa690ea5be5cfba7d0

SHA512
ff607684539d533f385576b0cd14f902b8f3abe3eb3d9ccf7d35dae117e224ec177a53e8b1571df6785ff92626d3f73c666ecd09e2d7a47689d3f4c1932d47b2

Download Submit
C:\Windows\SysWOW64\sainbox.exe
Filesize
375KB

MD5
ae8feb1dadf827be9a522b4159f3ac9a

SHA1
b93774b6d58ccbe20aaf95d22636502a5eb9f762

SHA256
0108aa34b802442199c1c4d33aa6826c4a098fe72343a4aa690ea5be5cfba7d0

SHA512
ff607684539d533f385576b0cd14f902b8f3abe3eb3d9ccf7d35dae117e224ec177a53e8b1571df6785ff92626d3f73c666ecd09e2d7a47689d3f4c1932d47b2

Download Submit
C:\Windows\SysWOW64\sainbox.exe
Filesize
375KB

MD5
ae8feb1dadf827be9a522b4159f3ac9a

SHA1
b93774b6d58ccbe20aaf95d22636502a5eb9f762

SHA256
0108aa34b802442199c1c4d33aa6826c4a098fe72343a4aa690ea5be5cfba7d0

SHA512
ff607684539d533f385576b0cd14f902b8f3abe3eb3d9ccf7d35dae117e224ec177a53e8b1571df6785ff92626d3f73c666ecd09e2d7a47689d3f4c1932d47b2

Download Submit
memory/1932-148-0x0000000000000000-mapping.dmp

Download
memory/4244-144-0x0000000000000000-mapping.dmp

Download
memory/4296-145-0x0000000000000000-mapping.dmp

Download
memory/4296-154-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4296-153-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4296-152-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4296-151-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4296-149-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4852-143-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4852-147-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4852-142-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4852-139-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4984-132-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4984-138-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4984-135-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download
memory/4984-134-0x0000000010000000-0x00000000101A5000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads