gh0strat | df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97

Analysis

max time kernel
150s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-10-2024 18:18

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General

Target

df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe
Size

5.0MB
MD5

84aeb511558ad81c1aa2dc653c875c3c
SHA1

1d222a0d0d2adaa8ac16805ca05899bee2822f27
SHA256

df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97
SHA512

c9e9b18a10cc63b907781c232799136ca3f5de5322fcb5f8ba53258a269a8a8a3885022cecaa8c98d3fd2efdc232ee36d7b9e2148ed8afa18dfd746f3115ef6b
SSDEEP

98304:Hws2ANnKXOaeOgmhW8Enb8mWQReOgoxAT7OeJ2dDwG1e4:xKXbeO74nnbJeVhnOeMDwGc4

Score

10^/10

gh0strat purplefox discovery persistence pyinstaller rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2300-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2300-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2776-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2776-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2776-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x00080000000173a9-6.dat	family_gh0strat
behavioral1/memory/2300-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2300-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2776-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2776-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2776-50-0x0000000010000000-0x00000000101B6000-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	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\\259432657.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
2548	R.exe
2300	N.exe
2760	TXPlatfor.exe
2776	TXPlatfor.exe
2160	HD_df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe
2456	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe
2548	R.exe
2052	svchost.exe
2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe
2760	TXPlatfor.exe
2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe
2648	Process not Found
2052	svchost.exe
2456	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259432657.txt	R.exe
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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2300-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2300-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2300-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2776-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2776-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2776-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral1/files/0x00060000000186ea-39.dat	pyinstaller

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.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
2860	cmd.exe
2696	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2696	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2776	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2300	N.exe
Token: SeLoadDriverPrivilege	2776	TXPlatfor.exe
Token: 33	2776	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2776	TXPlatfor.exe
Token: 33	2776	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2776	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe
2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2548	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	30
PID 2068 wrote to memory of 2548	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	30
PID 2068 wrote to memory of 2548	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	30
PID 2068 wrote to memory of 2548	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	30
PID 2068 wrote to memory of 2300	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	33
PID 2068 wrote to memory of 2300	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	33
PID 2068 wrote to memory of 2300	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	33
PID 2068 wrote to memory of 2300	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	33
PID 2068 wrote to memory of 2300	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	33
PID 2068 wrote to memory of 2300	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	33
PID 2068 wrote to memory of 2300	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	33
PID 2300 wrote to memory of 2860	2300	N.exe	35
PID 2300 wrote to memory of 2860	2300	N.exe	35
PID 2300 wrote to memory of 2860	2300	N.exe	35
PID 2300 wrote to memory of 2860	2300	N.exe	35
PID 2760 wrote to memory of 2776	2760	TXPlatfor.exe	37
PID 2760 wrote to memory of 2776	2760	TXPlatfor.exe	37
PID 2760 wrote to memory of 2776	2760	TXPlatfor.exe	37
PID 2760 wrote to memory of 2776	2760	TXPlatfor.exe	37
PID 2760 wrote to memory of 2776	2760	TXPlatfor.exe	37
PID 2760 wrote to memory of 2776	2760	TXPlatfor.exe	37
PID 2760 wrote to memory of 2776	2760	TXPlatfor.exe	37
PID 2068 wrote to memory of 2160	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	38
PID 2068 wrote to memory of 2160	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	38
PID 2068 wrote to memory of 2160	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	38
PID 2068 wrote to memory of 2160	2068	df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe	38
PID 2860 wrote to memory of 2696	2860	cmd.exe	40
PID 2860 wrote to memory of 2696	2860	cmd.exe	40
PID 2860 wrote to memory of 2696	2860	cmd.exe	40
PID 2860 wrote to memory of 2696	2860	cmd.exe	40
PID 2052 wrote to memory of 2456	2052	svchost.exe	41
PID 2052 wrote to memory of 2456	2052	svchost.exe	41
PID 2052 wrote to memory of 2456	2052	svchost.exe	41
PID 2052 wrote to memory of 2456	2052	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe
"C:\Users\Admin\AppData\Local\Temp\df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2068
- 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
  - System Location Discovery: System Language Discovery
  PID:2548
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2300
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2860
  - - 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:2696
- C:\Users\Admin\AppData\Local\Temp\HD_df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe
  C:\Users\Admin\AppData\Local\Temp\HD_df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe
  2⤵
  - Executes dropped EXE
  PID:2160

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2940

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259432657.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2456

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- 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:2776

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

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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
7477eed5e1239baddc71a156769380e1

SHA1
cbff788d8a2c456c4b46875206f81552752b8984

SHA256
f8e3ce432e7842fe975e40759f0cdbe5b7795f84eaa8777639e0f6030a4527fd

SHA512
419550806ed29090455448ace647d24286d321ccc9462a3399c8a8397b703ef9e767acfced044a38f49d6017fda27e1e5d518989141678b145862b7355012bf9

Download Submit
\Users\Admin\AppData\Local\Temp\HD_df435e62727a7a60f01093373944c814cabe6f278925a77be64cf60e86d52f97.exe

Filesize
2.5MB

MD5
e0fc2f95c40ffc3ca3215f1b886b50d8

SHA1
985ddccf461db1e501744c92f2e82980263d95f7

SHA256
f7f6013dd6711129206de60c9872e569c4b8c2fb20f2f26043813cb52e35faaf

SHA512
a6af8427f9e23bebcb64545d186e772b02e68b5b78377cba6bc79156a3d75b4c06fdf49eb3a60b7e3e6ad1d0d57fe13a6b8535d5dee9801151c10b398d1d22fe

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\259432657.txt

Filesize
899KB

MD5
bb5f605c1026dc84b40e1aa5d4eeb64c

SHA1
14c58f356f92212f02d8211a1c6f0edbcbeac578

SHA256
425b77eb8e841b129b4e417cd17d72238381fd6520c99116fac881514705a389

SHA512
8ecfc435037b843752e2e2688fc42ed4c1dd48d7d114c2acbe5d69338eee839015b9684ec4aa6a2bac5ebdd7573a68cb0258bbc8e6e33da75e8aabe2e11a6b6d

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2300-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2300-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2300-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2776-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2776-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2776-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download