gh0strat | 7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d

General

Target

7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe
Size

2.9MB
MD5

553bcb27787160d415e59c234e449c8c
SHA1

f02498fcd5bb17f768eff9f4afe9ee3f386d688c
SHA256

7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d
SHA512

f3901ae9a5f3511cff4923e2a3065da95e9eb0e13d406ad2bf4e846eb34b1d661f8cfb251d75f51d225d1f6b0dddcee8dad6017f5cabc0a0ecdfcbe6a8fe4b6d
SSDEEP

49152:rCwsbCANnKXferL7Vwe/Gg0P+Whl24F0DtaLq:uws2ANnKXOaeOgmhl10DtaLq

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
behavioral2/memory/3856-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3856-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3856-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3940-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3940-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1548-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1548-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1548-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000800000002352e-5.dat	family_gh0strat
behavioral2/memory/3856-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3856-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3856-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3940-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3940-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1548-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1548-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1548-57-0x0000000010000000-0x00000000101B6000-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\\240594703.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
2696	R.exe
3856	N.exe
3940	TXPlatfor.exe
4944	HD_7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe
1548	TXPlatfor.exe
3444	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2696	R.exe
4692	svchost.exe
3444	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3856-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3856-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3856-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3856-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3940-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3940-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3940-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1548-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1548-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1548-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\240594703.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.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
3040	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe
4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1548	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3856	N.exe
Token: SeLoadDriverPrivilege	1548	TXPlatfor.exe
Token: 33	1548	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1548	TXPlatfor.exe
Token: 33	1548	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1548	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe
4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 2696	4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe	83
PID 4488 wrote to memory of 2696	4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe	83
PID 4488 wrote to memory of 2696	4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe	83
PID 4488 wrote to memory of 3856	4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe	86
PID 4488 wrote to memory of 3856	4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe	86
PID 4488 wrote to memory of 3856	4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe	86
PID 3856 wrote to memory of 2204	3856	N.exe	90
PID 3856 wrote to memory of 2204	3856	N.exe	90
PID 3856 wrote to memory of 2204	3856	N.exe	90
PID 4488 wrote to memory of 4944	4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe	91
PID 4488 wrote to memory of 4944	4488	7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe	91
PID 3940 wrote to memory of 1548	3940	TXPlatfor.exe	92
PID 3940 wrote to memory of 1548	3940	TXPlatfor.exe	92
PID 3940 wrote to memory of 1548	3940	TXPlatfor.exe	92
PID 2204 wrote to memory of 3040	2204	cmd.exe	94
PID 2204 wrote to memory of 3040	2204	cmd.exe	94
PID 2204 wrote to memory of 3040	2204	cmd.exe	94
PID 4692 wrote to memory of 3444	4692	svchost.exe	100
PID 4692 wrote to memory of 3444	4692	svchost.exe	100
PID 4692 wrote to memory of 3444	4692	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe
"C:\Users\Admin\AppData\Local\Temp\7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4488
- 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:2696
- 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:3856
- - 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:2204
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3040
- C:\Users\Admin\AppData\Local\Temp\HD_7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe
  C:\Users\Admin\AppData\Local\Temp\HD_7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe
  2⤵
  - Executes dropped EXE
  PID:4944

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4908

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:4692
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240594703.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3444

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3940
- 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:1548

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_7e3a765d6b4434f4077cacfa7afff18992540c26dc37ce1aeb741b9483a7814d.exe

Filesize
390KB

MD5
562b3095271369e88c78fb0c11caa4b4

SHA1
4bd40ed33fb98c376ce915dba66e125970d856c5

SHA256
3bb56299b9064eedb587bd4d3fefaf86bc5be68c1897fbc7aff23ca53950c572

SHA512
298cfbfa8d6a683c2fe2b026e3cbedf107679e64d56e862a907fdbb05e87d8598a729e12a6b7744ec308f841b65a256af65fdcf00f909eba2ef5f19ac6217ba7

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

Filesize
2.5MB

MD5
cac48ba1bfcba9b10d439ae32634e360

SHA1
5e522b256f95a84575c76611f0b6048c751ad061

SHA256
cc1b6cafd191a5361c2ce4e828ed6650e35bdd1c6f55528c3b0959249385372e

SHA512
8be8815e943673aec7e2f3b96a1dea3233b81e4c91b61303aba112128a89d2df0e24d20ccca090d0ed48c066278571ac2f9a67797061fd47eb3e0ab79b703efb

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240594703.txt

Filesize
899KB

MD5
e2a2b228fcc4528cd4ea6f1b043fa60f

SHA1
00f528124932d7f0e628c0697b1beb9048dca177

SHA256
aa13a30ecb8631b3ce3101a76063db7b3eb3edc3d4fc59f406356fa434226411

SHA512
eaa5c609dc74320a2961298aeca78fd18ec6da546dd3ae5ba55ab08c6d92c279dca8fdedb666c97f78a39b1644dcac2985e68d3c9a1f3f3c0cb1fb343f227daa

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1548-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1548-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1548-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3856-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3856-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3856-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3856-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3940-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3940-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3940-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads