gh0strat | 9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830

General

Target

9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe
Size

2.5MB
MD5

4e3375f90110537097296fd94ca1ba6b
SHA1

995e587657f40dfb4d686c4de95ff6c51e713799
SHA256

9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830
SHA512

e822b25934dd4900541f30c76aa5ba47bef7f02ef9c2fd150150cbdd24dd39396ef12a9e7520a22203d698cc6b8c338a470d800c9051f8430efdd68591471b5e
SSDEEP

24576:7CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHX:7CwsbCANnKXferL7Vwe/Gg0P+Whphrg3

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3520-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3520-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3520-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4856-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4856-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2496-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2496-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2496-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x00080000000236ce-5.dat	family_gh0strat
behavioral2/memory/3520-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3520-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3520-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4856-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4856-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2496-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2496-53-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2496-51-0x0000000010000000-0x00000000101B6000-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

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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240672937.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Executes dropped EXE 5 IoCs

pid	Process
2148	R.exe
3520	N.exe
4856	TXPlatfor.exe
2496	TXPlatfor.exe
2772	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2148	R.exe
1984	svchost.exe
2772	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3520-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3520-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3520-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3520-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4856-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2496-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2496-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2496-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240672937.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4064	cmd.exe
4740	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4740	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2496	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3520	N.exe
Token: SeLoadDriverPrivilege	2496	TXPlatfor.exe
Token: 33	2496	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2496	TXPlatfor.exe
Token: 33	2496	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2496	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2548	9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe
2548	9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2148	2548	9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe	89
PID 2548 wrote to memory of 2148	2548	9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe	89
PID 2548 wrote to memory of 2148	2548	9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe	89
PID 2548 wrote to memory of 3520	2548	9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe	92
PID 2548 wrote to memory of 3520	2548	9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe	92
PID 2548 wrote to memory of 3520	2548	9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe	92
PID 3520 wrote to memory of 4064	3520	N.exe	94
PID 3520 wrote to memory of 4064	3520	N.exe	94
PID 3520 wrote to memory of 4064	3520	N.exe	94
PID 4856 wrote to memory of 2496	4856	TXPlatfor.exe	95
PID 4856 wrote to memory of 2496	4856	TXPlatfor.exe	95
PID 4856 wrote to memory of 2496	4856	TXPlatfor.exe	95
PID 4064 wrote to memory of 4740	4064	cmd.exe	97
PID 4064 wrote to memory of 4740	4064	cmd.exe	97
PID 4064 wrote to memory of 4740	4064	cmd.exe	97
PID 1984 wrote to memory of 2772	1984	svchost.exe	101
PID 1984 wrote to memory of 2772	1984	svchost.exe	101
PID 1984 wrote to memory of 2772	1984	svchost.exe	101

C:\Users\Admin\AppData\Local\Temp\9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe
"C:\Users\Admin\AppData\Local\Temp\9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2148
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3520
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4064
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4740

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3876

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240672937.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2772

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4856
- 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:2496

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 --field-trial-handle=4304,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=4060 /prefetch:8
1⤵
PID:224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2.5MB

MD5
4e3375f90110537097296fd94ca1ba6b

SHA1
995e587657f40dfb4d686c4de95ff6c51e713799

SHA256
9d76cb0c144984c46e180a78150cffeb39661d940c85cfc39d6319dbe0920830

SHA512
e822b25934dd4900541f30c76aa5ba47bef7f02ef9c2fd150150cbdd24dd39396ef12a9e7520a22203d698cc6b8c338a470d800c9051f8430efdd68591471b5e

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\RCX112.tmp

Filesize
2.5MB

MD5
7facdfe77548473138bd283429c89b73

SHA1
09f95656b1ba58220f303ec447391d21cd7dafcc

SHA256
2f723e2315d977dbacfbec0ade9d6beb1b9a12244ce226d114510f5bf4ed4b6e

SHA512
0e4f83347371bce9cc04a4b7a12fde47f9a4556d7a4d519edc6f42b0c30bc84e7172493370fb1df089e41b1b8b88cadc542ecae5cfba978b2510202ac2d6b0f1

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\240672937.txt

Filesize
899KB

MD5
4e40024b6bbc10c8b7cd0c7e9ab0cdbe

SHA1
2c1efcb40466ac242aba6a03c0ef83b6c2ebc4a4

SHA256
ab61b2af88d2b46dcea7d1919759f3f33f02b99d73476c01ad47119403ae0f1f

SHA512
14724da36b4c473bdd1b3d6a653e05247b5c05b8e652dca11513b90ff64c402d557c46ab0d333eac604d0f559dd2daa00e29132b12705d269e1b1e8a081eb562

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2496-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2496-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2496-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3520-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3520-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3520-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3520-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4856-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads