gh0strat | 891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45

General

Target

891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe
Size

1.8MB
MD5

94bbf82d89ccb6b454a3fe7db782a998
SHA1

e92f16d611e82e471d763a4a8f4fcb9421baf769
SHA256

891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45
SHA512

5ec961bdfc6c7a0465ff8bc5fe2f9cddc69795a08123a654226f1b42c31dd64f2aaca188088f57e779ce2518764378fd5d9f48f327ca6cf5c5ba23c0fa1c7180
SSDEEP

24576:7QZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV0Tdy764qNGg7MQT:7QZAdVyVT9n/Gg0P+WhoC64qNp7

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/3064-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3064-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2740-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3060-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2740-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3060-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3060-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3060-75-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/3064-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3064-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2740-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3060-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2740-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3060-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3060-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000016334-40.dat	family_gh0strat
behavioral1/memory/3060-75-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

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

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

Executes dropped EXE 4 IoCs

pid	Process
3064	svchost.exe
2740	TXPlatforn.exe
3060	TXPlatforn.exe
2608	svchos.exe

Loads dropped DLL 4 IoCs

pid	Process
3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe
2740	TXPlatforn.exe
3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe
2608	svchos.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259455293.txt	svchos.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3064-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3064-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3064-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2740-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3060-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2740-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3060-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3060-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3060-75-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.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 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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
2784	cmd.exe
2572	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2572	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3060	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3064	svchost.exe
Token: SeLoadDriverPrivilege	3060	TXPlatforn.exe
Token: 33	3060	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3060	TXPlatforn.exe
Token: 33	3060	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3060	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe
3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 3064	3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe	30
PID 3040 wrote to memory of 3064	3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe	30
PID 3040 wrote to memory of 3064	3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe	30
PID 3040 wrote to memory of 3064	3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe	30
PID 3040 wrote to memory of 3064	3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe	30
PID 3040 wrote to memory of 3064	3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe	30
PID 3040 wrote to memory of 3064	3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe	30
PID 2740 wrote to memory of 3060	2740	TXPlatforn.exe	32
PID 2740 wrote to memory of 3060	2740	TXPlatforn.exe	32
PID 2740 wrote to memory of 3060	2740	TXPlatforn.exe	32
PID 2740 wrote to memory of 3060	2740	TXPlatforn.exe	32
PID 2740 wrote to memory of 3060	2740	TXPlatforn.exe	32
PID 2740 wrote to memory of 3060	2740	TXPlatforn.exe	32
PID 2740 wrote to memory of 3060	2740	TXPlatforn.exe	32
PID 3064 wrote to memory of 2784	3064	svchost.exe	33
PID 3064 wrote to memory of 2784	3064	svchost.exe	33
PID 3064 wrote to memory of 2784	3064	svchost.exe	33
PID 3064 wrote to memory of 2784	3064	svchost.exe	33
PID 3040 wrote to memory of 2608	3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe	35
PID 3040 wrote to memory of 2608	3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe	35
PID 3040 wrote to memory of 2608	3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe	35
PID 3040 wrote to memory of 2608	3040	891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe	35
PID 2784 wrote to memory of 2572	2784	cmd.exe	36
PID 2784 wrote to memory of 2572	2784	cmd.exe	36
PID 2784 wrote to memory of 2572	2784	cmd.exe	36
PID 2784 wrote to memory of 2572	2784	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe
"C:\Users\Admin\AppData\Local\Temp\891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.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:3064
- - 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\svchost.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - 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:2572
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2608

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- 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:3060

Network

DNS

hackerinvasion.f3322.net

TXPlatforn.exe

Remote address:

8.8.8.8:53

Request

hackerinvasion.f3322.net

IN A

Response

No results found

8.8.8.8:53

hackerinvasion.f3322.net

dns

TXPlatforn.exe

70 B
131 B
1
1

DNS Request

hackerinvasion.f3322.net

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

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
1.8MB

MD5
94bbf82d89ccb6b454a3fe7db782a998

SHA1
e92f16d611e82e471d763a4a8f4fcb9421baf769

SHA256
891a8f128440e08a34379b6b9c0674dd2600d82efe911136c5ce001bbb695e45

SHA512
5ec961bdfc6c7a0465ff8bc5fe2f9cddc69795a08123a654226f1b42c31dd64f2aaca188088f57e779ce2518764378fd5d9f48f327ca6cf5c5ba23c0fa1c7180

Download Submit
\Users\Admin\AppData\Local\Temp\svchos.exe

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259455293.txt

Filesize
50KB

MD5
b2e60e1346bdc784f6849574591b33a4

SHA1
0d12b5209d26d09213e758fff531f4c7692bae48

SHA256
6ad5b5bf58de0b4b75495e8b88976eb3823c2cad7112009aab433652ac1e5204

SHA512
123ad43bf1cd7ee1befd68dea9f83f9c6968b0f65ef84afc29acaf6495f1f16745a0f2426ae30ded1026061f1dd5394a6bba23b4b1010fcec9dfb0892880ee09

Download Submit
memory/2740-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2740-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3060-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3060-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3060-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3060-75-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3064-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3064-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3064-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3064-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

MITRE ATT&CK Enterprise v15

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