gh0strat | d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1

General

Target

d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe
Size

3.8MB
MD5

17f6fdc5d63e36b486e313afbd48afff
SHA1

b1860c7cbb7758bfa807ef9c9d15c034acdf8e68
SHA256

d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1
SHA512

c5a64cdaa7c562ee1c14d55c8e96484dd846eee09825066db7083181292c51b9e18ff07c80f1665c55b8fb8e84f7e3d04fc8fabd29234b604e2e17918023956f
SSDEEP

49152:NCwsbCANnKXferL7Vwe/Gg0P+WhGis7tjrlkWNE3LOEpFRMwXlcLS:wws2ANnKXOaeOgmhGigwOEpFRph

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/2872-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2872-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2872-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4536-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4536-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1620-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1620-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1620-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240670484.txt	family_gh0strat
behavioral2/memory/2872-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2872-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2872-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4536-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4536-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1620-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1620-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1620-45-0x0000000010000000-0x00000000101B6000-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\\240670484.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 6 IoCs

Processes:

R.exeN.exeHD_d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exeTXPlatfor.exeTXPlatfor.exeRemote Data.exe

pid	process
3976	R.exe
2872	N.exe
2196	HD_d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe
4536	TXPlatfor.exe
1620	TXPlatfor.exe
3684	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

3976 R.exe
3924 svchost.exe
3684 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/2872-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2872-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2872-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2872-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4536-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4536-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4536-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1620-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1620-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1620-45-0x0000000010000000-0x00000000101B6000-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\240670484.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:

d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.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

4532 PING.EXE

pid	process
4532	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe

pid	process
1260	d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe
1260	d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

1620 TXPlatfor.exe

pid	process
1620	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2872	N.exe
Token: SeLoadDriverPrivilege	1620	TXPlatfor.exe
Token: 33	1620	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1620	TXPlatfor.exe
Token: 33	1620	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1620	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe

pid	process
1260	d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe
1260	d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1260 wrote to memory of 3976	1260	d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe	R.exe
PID 1260 wrote to memory of 3976	1260	d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe	R.exe
PID 1260 wrote to memory of 3976	1260	d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe	R.exe
PID 1260 wrote to memory of 2872	1260	d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe	N.exe
PID 1260 wrote to memory of 2872	1260	d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe	N.exe
PID 1260 wrote to memory of 2872	1260	d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe	N.exe
PID 2872 wrote to memory of 1136	2872	N.exe	cmd.exe
PID 2872 wrote to memory of 1136	2872	N.exe	cmd.exe
PID 2872 wrote to memory of 1136	2872	N.exe	cmd.exe
PID 4536 wrote to memory of 1620	4536	TXPlatfor.exe	TXPlatfor.exe
PID 4536 wrote to memory of 1620	4536	TXPlatfor.exe	TXPlatfor.exe
PID 4536 wrote to memory of 1620	4536	TXPlatfor.exe	TXPlatfor.exe
PID 1136 wrote to memory of 4532	1136	cmd.exe	PING.EXE
PID 1136 wrote to memory of 4532	1136	cmd.exe	PING.EXE
PID 1136 wrote to memory of 4532	1136	cmd.exe	PING.EXE
PID 3924 wrote to memory of 3684	3924	svchost.exe	Remote Data.exe
PID 3924 wrote to memory of 3684	3924	svchost.exe	Remote Data.exe
PID 3924 wrote to memory of 3684	3924	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe
"C:\Users\Admin\AppData\Local\Temp\d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1260
- 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:3976
- 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:2872
- - 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:1136
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4532
- C:\Users\Admin\AppData\Local\Temp\HD_d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe
  C:\Users\Admin\AppData\Local\Temp\HD_d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe
  2⤵
  - Executes dropped EXE
  PID:2196

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4536
- 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:1620

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3020

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:3924
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240670484.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3684

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=4264 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:1972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.4MB

MD5
2701232a884c60d2e7c2b6adfd1bd69d

SHA1
1a48f133b0eeb962a63e3c609aa37f36fc7a59a5

SHA256
6d03cc167b9f9961c9b85d2920c6e3165c672456eefbe52ae2b54b40268d8495

SHA512
951bc27a3dfdd2cb97d6c16db4c7128126c6e393580c087085d37effba52786168379badb740a3e72e3af6d2a2fb3c686a6b0ffd99f02472feda40b08309c7c9

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

Filesize
2.4MB

MD5
2ac885f97ec77878828966497d3fa471

SHA1
286dfa853ae0d27a341603af2314771ae1daa08f

SHA256
affa26530cd7886942cc88e87b7714b478de7e7e6779551e874f5de930b2844d

SHA512
44e52f4f6d91816d8ffc2e00cd3e6a2a89bc7a9677adb2b4bf7fb7a1991e46f4cc7be6ae6eab1caa59c7aaecbbcad28c61a04b13c17674b39446f4857ced3f84

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_d454ffb75b4c184027c5b6be67fecdf2911f71004f7be8b6e4f0ab19d12818c1.exe

Filesize
1.4MB

MD5
c674ee9cd1a792f22ed97be1b5d1b979

SHA1
a97e91ad411c93a0fa15f991e43b2c604fd4929f

SHA256
7f3885b02375823f0e5907a0e8513325065b4fee4456b0e29f0c170080596913

SHA512
4496c59e97a66d5affb7ef5c044e4e2af85f50c703229a29cdc40014e18b470b35cfbf2ab814062d5dfbf2dd4e517002aadac9aed52b31b33f2c419a5d10466f

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\240670484.txt

Filesize
899KB

MD5
3a83b9e3895bd02499b6b10cb8581367

SHA1
55db243543dab5708cd4cb32b4e9a07c32f0d8d2

SHA256
a6e864f59e9c6d3fc14ab8d2e09949a23f9b26d43929d52619fd55d9d29b222f

SHA512
7fd13ca073b8c07a19e3b3c5db0bfc41d2ba0e51af768061509171040ebac0b4dbffd13c629b1b400f8871a5be329a49b459486c23f5566faedaa412a18c3edf

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1620-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1620-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1620-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2872-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4536-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4536-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4536-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads