gh0strat | 2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924

General

Target

2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe
Size

1.9MB
MD5

1839fef2a1f18e3a72b8c67e735cd908
SHA1

51ff38c8b5520912bf43949d1800a1e08fb4b021
SHA256

2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924
SHA512

42963c62ca270a04af2841b486255e7635c9e1596ea398ca51cb6134537b044156d71061dc71926d1b43a96f81fb580585556e97e24feff41deffaa0f7d3bf69
SSDEEP

49152:QQZAdVyVT9n/Gg0P+Who9fzImcLYFpeapelE:5GdVyVT9nOgmhAfSFvlE

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/2856-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2856-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2856-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2220-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2832-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2832-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2832-68-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2832-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2220-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2856-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2856-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2856-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2220-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2832-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2832-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2832-68-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x000700000001907c-34.dat	family_gh0strat
behavioral1/memory/2832-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2220-31-0x0000000010000000-0x00000000101B6000-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 5 IoCs

pid	Process
2856	svchost.exe
2220	TXPlatforn.exe
2832	TXPlatforn.exe
2700	svchos.exe
2604	HD_2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe

Loads dropped DLL 4 IoCs

pid	Process
2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe
2220	TXPlatforn.exe
2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe
2700	svchos.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259458632.txt	svchos.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2856-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2856-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2856-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2856-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2220-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2832-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2832-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2832-68-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2832-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2220-31-0x0000000010000000-0x00000000101B6000-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	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
3052	PING.EXE
2764	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3052	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2832	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2856	svchost.exe
Token: SeLoadDriverPrivilege	2832	TXPlatforn.exe
Token: 33	2832	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2832	TXPlatforn.exe
Token: 33	2832	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2832	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe
2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2856	2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe	30
PID 2084 wrote to memory of 2856	2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe	30
PID 2084 wrote to memory of 2856	2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe	30
PID 2084 wrote to memory of 2856	2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe	30
PID 2084 wrote to memory of 2856	2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe	30
PID 2084 wrote to memory of 2856	2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe	30
PID 2084 wrote to memory of 2856	2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe	30
PID 2856 wrote to memory of 2764	2856	svchost.exe	32
PID 2856 wrote to memory of 2764	2856	svchost.exe	32
PID 2856 wrote to memory of 2764	2856	svchost.exe	32
PID 2856 wrote to memory of 2764	2856	svchost.exe	32
PID 2220 wrote to memory of 2832	2220	TXPlatforn.exe	33
PID 2220 wrote to memory of 2832	2220	TXPlatforn.exe	33
PID 2220 wrote to memory of 2832	2220	TXPlatforn.exe	33
PID 2220 wrote to memory of 2832	2220	TXPlatforn.exe	33
PID 2220 wrote to memory of 2832	2220	TXPlatforn.exe	33
PID 2220 wrote to memory of 2832	2220	TXPlatforn.exe	33
PID 2220 wrote to memory of 2832	2220	TXPlatforn.exe	33
PID 2084 wrote to memory of 2700	2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe	34
PID 2084 wrote to memory of 2700	2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe	34
PID 2084 wrote to memory of 2700	2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe	34
PID 2084 wrote to memory of 2700	2084	2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe	34
PID 2764 wrote to memory of 3052	2764	cmd.exe	37
PID 2764 wrote to memory of 3052	2764	cmd.exe	37
PID 2764 wrote to memory of 3052	2764	cmd.exe	37
PID 2764 wrote to memory of 3052	2764	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe
"C:\Users\Admin\AppData\Local\Temp\2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2084
- 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:2856
- - 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:2764
  - - 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:3052
- 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:2700
- C:\Users\Admin\AppData\Local\Temp\HD_2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe
  C:\Users\Admin\AppData\Local\Temp\HD_2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe
  2⤵
  - Executes dropped EXE
  PID:2604

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:2220
- 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:2832

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

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_2937dc0acfdba23157b87670796e9db8458e318b9316a53127946f02ca7af924.exe

Filesize
655KB

MD5
470443e44566ecfc7ac2ddbec240a73f

SHA1
27bb8d2fc02cd2bbc184d07357aaa9903d88b425

SHA256
006652da0745d8672ec56598368c1f8a4896cd4a0aa5b61499d574870f94b705

SHA512
22c9bc36874abb015a7e1a28e26f186f2abbd559aad53fdcf493f2178dbc6cfe5a7324d0acadcf4a641028e61787d2f4237a8c034a3a7a6d0a7162f31e05a618

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

Filesize
1.3MB

MD5
696a7236e14e7407b5023681fba1d690

SHA1
43c550a8ab63b5f5a2a2622e5f614c4aaeeaf78e

SHA256
af034321362311726b4f39f658d691b7cf2ddf6eccd13f771532abde387f720a

SHA512
4582231dde50799d1925ba884e6e9d4bfde0a7ca56ee0f9d7bb0ccea18cbb73bda8bdf4de387537ade3d0be5c496f5748346c91806da72f7bf2e0fd814a6d0a0

Download Submit
C:\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\259458632.txt

Filesize
50KB

MD5
43eb1f8fcb6e8d45d10a1acaaef5d6a5

SHA1
75d2b751caf82e13a3e1aa4f8addc8ece42ddc5a

SHA256
090705e83dfffbb815219fdf99a3e9edf92562c7e7790f4f67cb430ec4c519a9

SHA512
db5988709603e86fc27ab7397f9ba3f61c4f897a4b149e64b77d94e403bde149380b746b0aad2a3219ca67a1373bf476da83e03f807e8e06364affa85ce38aed

Download Submit
memory/2220-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2220-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-68-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2856-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2856-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2856-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2856-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads