gh0strat | ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e

Analysis

max time kernel
150s
max time network
139s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 21:30

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General

Target

ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe
Size

5.2MB
MD5

ab74012507620b11c17fd6c266e04d56
SHA1

9ac7c485343f37b549320edc1cb58832d04bf1b9
SHA256

ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e
SHA512

ae9533f31aa26513c711268af0657ce3b13f0bd64ec3a62d9ac62df273b12cfd5c6d0b131bdea7d6e6eb509e4877751cb05c14e9d4feb3832d1005a7a5c809b7
SSDEEP

98304:jws2ANnKXOaeOgmh7SH3K46FKDKMPMnHRcQqYZd:lKXbeO7N+3lXOFOYZd

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2608-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2608-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2620-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2620-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2620-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x003600000001489f-6.dat	family_gh0strat
behavioral1/memory/2608-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2608-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2620-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2620-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2620-48-0x0000000010000000-0x00000000101B6000-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\\259399414.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 6 IoCs

pid	Process
1864	R.exe
2608	N.exe
2724	TXPlatfor.exe
2620	TXPlatfor.exe
2680	HD_ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe
2764	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe
1864	R.exe
2552	svchost.exe
2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe
2724	TXPlatfor.exe
2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe
2552	svchost.exe
2764	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2608-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2608-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2608-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\259399414.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2980	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2620	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2608	N.exe
Token: SeLoadDriverPrivilege	2620	TXPlatfor.exe
Token: SeCreateGlobalPrivilege	2680	HD_ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe
Token: 33	2620	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2620	TXPlatfor.exe
Token: 33	2620	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2620	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe
2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 1864	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	28
PID 2432 wrote to memory of 1864	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	28
PID 2432 wrote to memory of 1864	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	28
PID 2432 wrote to memory of 1864	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	28
PID 2432 wrote to memory of 2608	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	31
PID 2432 wrote to memory of 2608	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	31
PID 2432 wrote to memory of 2608	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	31
PID 2432 wrote to memory of 2608	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	31
PID 2432 wrote to memory of 2608	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	31
PID 2432 wrote to memory of 2608	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	31
PID 2432 wrote to memory of 2608	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	31
PID 2608 wrote to memory of 2836	2608	N.exe	33
PID 2608 wrote to memory of 2836	2608	N.exe	33
PID 2608 wrote to memory of 2836	2608	N.exe	33
PID 2608 wrote to memory of 2836	2608	N.exe	33
PID 2724 wrote to memory of 2620	2724	TXPlatfor.exe	34
PID 2724 wrote to memory of 2620	2724	TXPlatfor.exe	34
PID 2724 wrote to memory of 2620	2724	TXPlatfor.exe	34
PID 2724 wrote to memory of 2620	2724	TXPlatfor.exe	34
PID 2724 wrote to memory of 2620	2724	TXPlatfor.exe	34
PID 2724 wrote to memory of 2620	2724	TXPlatfor.exe	34
PID 2724 wrote to memory of 2620	2724	TXPlatfor.exe	34
PID 2432 wrote to memory of 2680	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	36
PID 2432 wrote to memory of 2680	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	36
PID 2432 wrote to memory of 2680	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	36
PID 2432 wrote to memory of 2680	2432	ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe	36
PID 2836 wrote to memory of 2980	2836	cmd.exe	37
PID 2836 wrote to memory of 2980	2836	cmd.exe	37
PID 2836 wrote to memory of 2980	2836	cmd.exe	37
PID 2836 wrote to memory of 2980	2836	cmd.exe	37
PID 2552 wrote to memory of 2764	2552	svchost.exe	38
PID 2552 wrote to memory of 2764	2552	svchost.exe	38
PID 2552 wrote to memory of 2764	2552	svchost.exe	38
PID 2552 wrote to memory of 2764	2552	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe
"C:\Users\Admin\AppData\Local\Temp\ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2432
- 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
  PID:1864
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2608
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:2836
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2980
- C:\Users\Admin\AppData\Local\Temp\HD_ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2680

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2640

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259399414.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2764

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2724
- 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:2620

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

Server Software Component

T1505

Terminal Services DLL

T1505.005

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2.5MB

MD5
80c194bf43012d37a89bfc8a8ddc6a3a

SHA1
88843c2fd148f466d69dbd0bb1e09cef2ab1c153

SHA256
10a5ab58630d8f0a8e15be8becc1418a8f1baa7b7b3f812a7ea66eff0b37c37f

SHA512
e1c69fd87cc234319ae8ba711232469870c38d1b0ece4413876cb547d907966d3879eb289fadd5843fec7b9bc57bd688b915d8c6d1ad1883a33187d98949f4a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_ec325e1f2927beb82ec7a6d986a778f1061813b5b35edafc37002315b581741e.exe

Filesize
2.7MB

MD5
3c66d34b06f74585b485b817b9112fa0

SHA1
2d5f482f7ddf2577ee3694b06964b0a12c695b1f

SHA256
51ac3ee03b6167c5352b4eabd33873ba84201f2b6344d4c1ff429666c2f5ecde

SHA512
5e104a9ed9c42273b2fc65f1cbf790b1d1152f9a9d786deaf62de44993d427edc901d89980df764127a9ca1b439370ac924fecf21c671e997af744d19056efda

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259399414.txt

Filesize
899KB

MD5
a6ceff72d1a6d850a8cceb6034f746d1

SHA1
2b9a234708348c95cff37fdda7ba137c092e4643

SHA256
598e40a5d91197fb8fe7a6cba9f86ff0e381cc0750014b38d9f65bb307f44081

SHA512
e2961233f0468d4898ba4caac9b80bead635e25ea3c530f8f9b344a156ae06a4cf299eb6aa6bf668a70a508ace2c23b7cda1887d0f9f68d3e09764812c45161e

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2608-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2608-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2608-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download