gh0strat | 2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 11:58

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General

Target

2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe
Size

1.3MB
MD5

be6b223cb7815440452431a3f165aff6
SHA1

79f98abe22c8d7ae71307e2856f649097b91c34f
SHA256

2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7
SHA512

dcbc1c28ffa757980ad9dc522b2345dd2209d0483f4ef19b08711011b0dd164a77df9e4a464f7a48fac36aba867fbbc658f04e418f959eb7a6f31ef99731cc2d
SSDEEP

24576:wQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV1wpeIXAq:wQZAdVyVT9n/Gg0P+WhoDpe8Z

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2992-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2992-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2992-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2140-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2660-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2660-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2660-78-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2660-80-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2992-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2992-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000015d1a-29.dat	family_gh0strat
behavioral1/memory/2992-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2140-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2660-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2660-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2660-78-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2660-80-0x0000000010000000-0x00000000101B6000-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

Sets DLL path for service in the 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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259396294.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
2992	svchost.exe
2140	TXPlatforn.exe
2560	svchos.exe
2660	TXPlatforn.exe
1968	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

pid	Process
624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe
624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe
2140	TXPlatforn.exe
2560	svchos.exe
2552	svchost.exe
2552	svchost.exe
1968	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2992-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2992-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2992-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2992-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2140-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2992-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2140-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2660-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2660-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2660-78-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2660-80-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
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\259396294.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe

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	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.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

pid	Process
2704	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2660	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2992	svchost.exe
Token: SeLoadDriverPrivilege	2660	TXPlatforn.exe
Token: 33	2660	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2660	TXPlatforn.exe
Token: 33	2660	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2660	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe
624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 2992	624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe	28
PID 624 wrote to memory of 2992	624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe	28
PID 624 wrote to memory of 2992	624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe	28
PID 624 wrote to memory of 2992	624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe	28
PID 624 wrote to memory of 2992	624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe	28
PID 624 wrote to memory of 2992	624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe	28
PID 624 wrote to memory of 2992	624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe	28
PID 2992 wrote to memory of 1740	2992	svchost.exe	30
PID 2992 wrote to memory of 1740	2992	svchost.exe	30
PID 2992 wrote to memory of 1740	2992	svchost.exe	30
PID 2992 wrote to memory of 1740	2992	svchost.exe	30
PID 624 wrote to memory of 2560	624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe	32
PID 624 wrote to memory of 2560	624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe	32
PID 624 wrote to memory of 2560	624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe	32
PID 624 wrote to memory of 2560	624	2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe	32
PID 2140 wrote to memory of 2660	2140	TXPlatforn.exe	33
PID 2140 wrote to memory of 2660	2140	TXPlatforn.exe	33
PID 2140 wrote to memory of 2660	2140	TXPlatforn.exe	33
PID 2140 wrote to memory of 2660	2140	TXPlatforn.exe	33
PID 2140 wrote to memory of 2660	2140	TXPlatforn.exe	33
PID 2140 wrote to memory of 2660	2140	TXPlatforn.exe	33
PID 2140 wrote to memory of 2660	2140	TXPlatforn.exe	33
PID 1740 wrote to memory of 2704	1740	cmd.exe	34
PID 1740 wrote to memory of 2704	1740	cmd.exe	34
PID 1740 wrote to memory of 2704	1740	cmd.exe	34
PID 1740 wrote to memory of 2704	1740	cmd.exe	34
PID 2552 wrote to memory of 1968	2552	svchost.exe	37
PID 2552 wrote to memory of 1968	2552	svchost.exe	37
PID 2552 wrote to memory of 1968	2552	svchost.exe	37
PID 2552 wrote to memory of 1968	2552	svchost.exe	37

C:\Users\Admin\AppData\Local\Temp\2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe
"C:\Users\Admin\AppData\Local\Temp\2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:624
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2992
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:1740
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2704
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2560

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2140
- 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:2660

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2612

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259396294.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.3MB

MD5
be6b223cb7815440452431a3f165aff6

SHA1
79f98abe22c8d7ae71307e2856f649097b91c34f

SHA256
2ed50b73e4ecb94b81b3448392daaa0903e7e9232e90fb11778ca1cc9b8127d7

SHA512
dcbc1c28ffa757980ad9dc522b2345dd2209d0483f4ef19b08711011b0dd164a77df9e4a464f7a48fac36aba867fbbc658f04e418f959eb7a6f31ef99731cc2d

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\259396294.txt

Filesize
50KB

MD5
b1cb8ebff0a55599432399ae74656d4a

SHA1
a6a55f3b593a8960324cd475665b505c65b09379

SHA256
e2fbc652f9ceab84f00023b7517b8995656d69bd1667df61b7fd8b5ec23d7c65

SHA512
931892d67c8db0b0456aaa56a1052ad064c468b6f222d897c9b44fea4a57e4504e44914d58ee9427b794bd2b8073a855dd1ef0a82cf43e6a3252dcdbc7d2b4a9

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2140-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2140-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2660-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2660-80-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2660-78-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2660-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2992-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2992-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2992-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2992-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2992-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads