gh0strat | 7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8

General

Target

7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe
Size

2.8MB
MD5

40d4c14b5323aa13b56c095da3c04ab8
SHA1

01b15adbf802fa83fc3c8492f72e6ea106c9ee91
SHA256

7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8
SHA512

0b07421492edb57c4f70d41f3b88185a233418a1c035ff501168984ee78a94f5c19f63d2737214c02b2650a2209a76de2d54f4ed9724a0c4db792a530ee6775c
SSDEEP

49152:PCwsbCANnKXferL7Vwe/Gg0P+WhP9JDmn2Q:aws2ANnKXOaeOgmhVJDmn2Q

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/2496-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2496-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2496-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4724-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4724-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4908-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4908-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4908-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240657359.txt	family_gh0strat
behavioral2/memory/2496-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2496-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2496-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4724-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4724-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4908-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4908-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4908-41-0x0000000010000000-0x00000000101B6000-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:

TXPlatfor.exe

description ioc process

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

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

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240657359.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

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

Executes dropped EXE 5 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeRemote Data.exe

pid process

3832 R.exe
2496 N.exe
4724 TXPlatfor.exe
4908 TXPlatfor.exe
516 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

3832 R.exe
1720 svchost.exe
516 Remote Data.exe

pid	process
3832	R.exe
2496	N.exe
4724	TXPlatfor.exe
4908	TXPlatfor.exe
516	Remote Data.exe

pid	process
3832	R.exe
1720	svchost.exe
516	Remote Data.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2496-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2496-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2496-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2496-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4724-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4724-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4724-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4908-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4908-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4908-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeR.exeN.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\240657359.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

Processes:

7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.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

2228 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

4908 TXPlatfor.exe

pid	process
2228	PING.EXE

pid	process
4908	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2496	N.exe
Token: SeLoadDriverPrivilege	4908	TXPlatfor.exe
Token: 33	4908	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4908	TXPlatfor.exe
Token: 33	4908	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4908	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe

pid	process
4156	7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe
4156	7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exeN.execmd.exeTXPlatfor.exesvchost.exe

description	pid	process	target process
PID 4156 wrote to memory of 3832	4156	7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe	R.exe
PID 4156 wrote to memory of 3832	4156	7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe	R.exe
PID 4156 wrote to memory of 3832	4156	7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe	R.exe
PID 4156 wrote to memory of 2496	4156	7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe	N.exe
PID 4156 wrote to memory of 2496	4156	7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe	N.exe
PID 4156 wrote to memory of 2496	4156	7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe	N.exe
PID 2496 wrote to memory of 1716	2496	N.exe	cmd.exe
PID 2496 wrote to memory of 1716	2496	N.exe	cmd.exe
PID 2496 wrote to memory of 1716	2496	N.exe	cmd.exe
PID 1716 wrote to memory of 2228	1716	cmd.exe	PING.EXE
PID 1716 wrote to memory of 2228	1716	cmd.exe	PING.EXE
PID 1716 wrote to memory of 2228	1716	cmd.exe	PING.EXE
PID 4724 wrote to memory of 4908	4724	TXPlatfor.exe	TXPlatfor.exe
PID 4724 wrote to memory of 4908	4724	TXPlatfor.exe	TXPlatfor.exe
PID 4724 wrote to memory of 4908	4724	TXPlatfor.exe	TXPlatfor.exe
PID 1720 wrote to memory of 516	1720	svchost.exe	Remote Data.exe
PID 1720 wrote to memory of 516	1720	svchost.exe	Remote Data.exe
PID 1720 wrote to memory of 516	1720	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe
"C:\Users\Admin\AppData\Local\Temp\7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4156

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:3832

C:\Users\Admin\AppData\Local\Temp\N.exe
C:\Users\Admin\AppData\Local\Temp\\N.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496

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\N.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:1716

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2228

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4720

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240657359.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:516

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4724

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.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:4908

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:1168

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
2.8MB

MD5
40d4c14b5323aa13b56c095da3c04ab8

SHA1
01b15adbf802fa83fc3c8492f72e6ea106c9ee91

SHA256
7e961333475c3015b386d868342a71c9e980c6b5b3b4fd4b7c8e957d6c3a8bd8

SHA512
0b07421492edb57c4f70d41f3b88185a233418a1c035ff501168984ee78a94f5c19f63d2737214c02b2650a2209a76de2d54f4ed9724a0c4db792a530ee6775c

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.6MB

MD5
1e6175dec4df46f4bab064b8220fd784

SHA1
eadddd7c3375e5f0e72a48da9023251a128b21eb

SHA256
bc55728b1763708d53d4addc598dc5593320035a4001e8a1a31999221d2aa9cd

SHA512
ea4de7155344e949d7a3b769260eebcad15a2f0d645cf6b3ca1fa6e516c03dd61c360d61f344d710127f51720d920a0584f7c8ba84eb815020f5630b72448f11

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

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico
Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

Download Submit
C:\Windows\SysWOW64\240657359.txt
Filesize
899KB

MD5
c0d10a75ee2a137ad567579654adc5bc

SHA1
dfa19b6dd14ef5cd1396fe5aaa3847981efce2b9

SHA256
e38191c1bc6cf7fead97359f1342d376886f3aa7347e07a107fb4fa9e2a567bc

SHA512
1c8e452d2a7120361114242bd64a9d5d27f1014500f080a576df7fffd2e54d7eb1cf771df93cc2ef0d29351b5232683b6964bab7e3f53763dc7e293f58784254

Download Submit
C:\Windows\SysWOW64\Remote Data.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2496-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2496-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2496-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2496-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4724-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4724-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4724-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4908-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4908-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4908-36-0x0000000010000000-0x00000000101B6000-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