gh0strat | 3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f

General

Target

3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe
Size

1.7MB
MD5

1d35e0ca041dfa5eacb9de1bd0ad4a9d
SHA1

7c91790ce4fb566c7cd68885bf11c5b0e0e90fa4
SHA256

3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f
SHA512

41d31818cc31789b5b07350087532a7379131efe261d045a00f8d0d73d0117c28fac9e0747903bee938ff565bb62d752888c5c6458fd95b52459f39a4d492a73
SSDEEP

24576:gQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVT4Ks3PNnx2qIyz:gQZAdVyVT9n/Gg0P+Whoi4Ks3P5x2C

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/1716-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1716-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1716-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4988-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4988-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/408-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/408-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4988-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/408-84-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4988-89-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/1716-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1716-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1716-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4988-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4988-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/408-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x00070000000235ef-35.dat	family_gh0strat
behavioral2/memory/408-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/408-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4988-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/408-84-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4988-89-0x0000000010000000-0x00000000101B6000-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	TXPlatforn.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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240671515.txt"	svchos.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
1716	svchost.exe
4988	TXPlatforn.exe
408	TXPlatforn.exe
4000	svchos.exe
1380	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
4000	svchos.exe
1980	svchost.exe
1380	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1716-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1716-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1716-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1716-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4988-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4988-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4988-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/408-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/408-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/408-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4988-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/408-84-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4988-89-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 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\240671515.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.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	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.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	svchost.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	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.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
4104	cmd.exe
4888	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4888	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
408	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1716	svchost.exe
Token: SeLoadDriverPrivilege	408	TXPlatforn.exe
Token: 33	408	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	408	TXPlatforn.exe
Token: 33	408	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	408	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
948	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe
948	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 1716	948	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe	89
PID 948 wrote to memory of 1716	948	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe	89
PID 948 wrote to memory of 1716	948	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe	89
PID 1716 wrote to memory of 4104	1716	svchost.exe	91
PID 1716 wrote to memory of 4104	1716	svchost.exe	91
PID 1716 wrote to memory of 4104	1716	svchost.exe	91
PID 4988 wrote to memory of 408	4988	TXPlatforn.exe	92
PID 4988 wrote to memory of 408	4988	TXPlatforn.exe	92
PID 4988 wrote to memory of 408	4988	TXPlatforn.exe	92
PID 948 wrote to memory of 4000	948	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe	93
PID 948 wrote to memory of 4000	948	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe	93
PID 948 wrote to memory of 4000	948	3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe	93
PID 4104 wrote to memory of 4888	4104	cmd.exe	97
PID 4104 wrote to memory of 4888	4104	cmd.exe	97
PID 4104 wrote to memory of 4888	4104	cmd.exe	97
PID 1980 wrote to memory of 1380	1980	svchost.exe	102
PID 1980 wrote to memory of 1380	1980	svchost.exe	102
PID 1980 wrote to memory of 1380	1980	svchost.exe	102

C:\Users\Admin\AppData\Local\Temp\3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe
"C:\Users\Admin\AppData\Local\Temp\3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:948
- 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:1716
- - 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:4104
  - - 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:4888
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.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:4000

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4988
- 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:408

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2512

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240671515.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1380

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=4120,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4020 /prefetch:8
1⤵
PID:4908

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
1.7MB

MD5
1d35e0ca041dfa5eacb9de1bd0ad4a9d

SHA1
7c91790ce4fb566c7cd68885bf11c5b0e0e90fa4

SHA256
3005509e620dd3943eac7dce47f14ee991599de9197635567d76fe3a71d5570f

SHA512
41d31818cc31789b5b07350087532a7379131efe261d045a00f8d0d73d0117c28fac9e0747903bee938ff565bb62d752888c5c6458fd95b52459f39a4d492a73

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCXF8F6.tmp

Filesize
1.4MB

MD5
8fe631188605ee0f40662af21807d57c

SHA1
6ee74e03e0acd6da731b3f7b0eb4b4e69e192318

SHA256
0217c80b1d7fdecb78b0d236ba041f2ba7628c5e079edcccb347981bc4b1e4d1

SHA512
f0515b998fc208f30b5f6e1921c0b41da1fc338c96d63058e2f9d7c37d177fa9894a097f60a1e9938946cfc7d7024ea0cfecf4dfb8769d83c3b6d5eceba9c43e

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

Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\240671515.txt

Filesize
50KB

MD5
2dd1e908a18e39687dca0295225fe2ad

SHA1
e6d6d838d77bf3daa91203a4506a866baaa0009e

SHA256
6ece9b14c1807cbdf7a41300a83dee78e67e9224b62eefa0463d7bf402c5f7cf

SHA512
af246cb0ba15b83026bea0bf4cd0de4192f51b713704d5a8be8458e1dd4dfd4248f5459c1a6d04e577d100db9750c0d378e2cee6aff779e8c8cfa8bfb5a58ddf

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/408-84-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/408-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/408-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/408-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1716-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1716-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1716-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1716-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4988-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4988-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4988-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4988-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4988-89-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads