gh0strat | ce1ce86b7fcd6201426ce5e3f90683cc3a5002a7f7fc4ddb3a04cc91f48350dc

General

Target

NA_NA_50975fde675dc3exeexe_JC.exe
Size

4.4MB
MD5

50975fde675dc339472bf5c953ed7f32
SHA1

45d3e3d1a4937a3c17e3bce05089750544d686ee
SHA256

ce1ce86b7fcd6201426ce5e3f90683cc3a5002a7f7fc4ddb3a04cc91f48350dc
SHA512

2ae076bdb98a9056e69bcfeb94a70ddf5b06a1782cc8fda666258316ec6b93d5faef815757b05cee9f87628ac54599b9ceec2975ae0a861f742d169439531821
SSDEEP

98304:rZJt4HINy2Lk0C73yzIcYRhtgC75YhwDR90ir:NiINy2Lkt73+itgnEdr

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2784-62-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2784-63-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/680-82-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2064-81-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2784-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/680-84-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/680-87-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2784-62-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2784-63-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2064-71-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/680-82-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2064-81-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2784-73-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/680-84-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/680-87-0x0000000010000000-0x00000000101B6000-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 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 3 IoCs

Processes:

RVN.exeTXPlatforn.exeTXPlatforn.exe

pid process

2784 RVN.exe
2064 TXPlatforn.exe
680 TXPlatforn.exe
Loads dropped DLL 2 IoCs

Processes:

NA_NA_50975fde675dc3exeexe_JC.exeTXPlatforn.exe

pid process

2072 NA_NA_50975fde675dc3exeexe_JC.exe
2064 TXPlatforn.exe

pid	process
2784	RVN.exe
2064	TXPlatforn.exe
680	TXPlatforn.exe

pid	process
2072	NA_NA_50975fde675dc3exeexe_JC.exe
2064	TXPlatforn.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2784-59-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2784-62-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2784-63-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2064-71-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/680-82-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2064-81-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2784-73-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/680-84-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/680-87-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2920 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

680 TXPlatforn.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

pid	process
2920	PING.EXE

pid	process
680	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2784	RVN.exe
Token: SeLoadDriverPrivilege	680	TXPlatforn.exe
Token: 33	680	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	680	TXPlatforn.exe
Token: 33	680	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	680	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

NA_NA_50975fde675dc3exeexe_JC.exe

pid process

2072 NA_NA_50975fde675dc3exeexe_JC.exe
2072 NA_NA_50975fde675dc3exeexe_JC.exe

pid	process
2072	NA_NA_50975fde675dc3exeexe_JC.exe
2072	NA_NA_50975fde675dc3exeexe_JC.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

NA_NA_50975fde675dc3exeexe_JC.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2072 wrote to memory of 2784	2072	NA_NA_50975fde675dc3exeexe_JC.exe	RVN.exe
PID 2072 wrote to memory of 2784	2072	NA_NA_50975fde675dc3exeexe_JC.exe	RVN.exe
PID 2072 wrote to memory of 2784	2072	NA_NA_50975fde675dc3exeexe_JC.exe	RVN.exe
PID 2072 wrote to memory of 2784	2072	NA_NA_50975fde675dc3exeexe_JC.exe	RVN.exe
PID 2072 wrote to memory of 2784	2072	NA_NA_50975fde675dc3exeexe_JC.exe	RVN.exe
PID 2072 wrote to memory of 2784	2072	NA_NA_50975fde675dc3exeexe_JC.exe	RVN.exe
PID 2072 wrote to memory of 2784	2072	NA_NA_50975fde675dc3exeexe_JC.exe	RVN.exe
PID 2784 wrote to memory of 2424	2784	RVN.exe	cmd.exe
PID 2784 wrote to memory of 2424	2784	RVN.exe	cmd.exe
PID 2784 wrote to memory of 2424	2784	RVN.exe	cmd.exe
PID 2784 wrote to memory of 2424	2784	RVN.exe	cmd.exe
PID 2064 wrote to memory of 680	2064	TXPlatforn.exe	TXPlatforn.exe
PID 2064 wrote to memory of 680	2064	TXPlatforn.exe	TXPlatforn.exe
PID 2064 wrote to memory of 680	2064	TXPlatforn.exe	TXPlatforn.exe
PID 2064 wrote to memory of 680	2064	TXPlatforn.exe	TXPlatforn.exe
PID 2064 wrote to memory of 680	2064	TXPlatforn.exe	TXPlatforn.exe
PID 2064 wrote to memory of 680	2064	TXPlatforn.exe	TXPlatforn.exe
PID 2064 wrote to memory of 680	2064	TXPlatforn.exe	TXPlatforn.exe
PID 2424 wrote to memory of 2920	2424	cmd.exe	PING.EXE
PID 2424 wrote to memory of 2920	2424	cmd.exe	PING.EXE
PID 2424 wrote to memory of 2920	2424	cmd.exe	PING.EXE
PID 2424 wrote to memory of 2920	2424	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\NA_NA_50975fde675dc3exeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_NA_50975fde675dc3exeexe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2072

C:\Users\Admin\AppData\Local\Temp\RVN.exe
C:\Users\Admin\AppData\Local\Temp\\RVN.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784

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\RVN.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:2424

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2920

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2064

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:680

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RVN.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\RVN.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

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

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
\Windows\SysWOW64\TXPlatforn.exe
Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/680-87-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/680-84-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/680-82-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2064-71-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2064-81-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2784-63-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2784-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2784-62-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2784-59-0x0000000010000000-0x00000000101B6000-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