gh0strat | e8b58f41d867956e5b66d4fd97b3682a83c4186546a51ab0762c4980294fcbfc

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 16:56

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General

Target

2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe
Size

2.9MB
MD5

1d64b1d2d5747d47daaa293105278b20
SHA1

c5b41ccb0a115f501b0d5f9e70e68d7360feaf73
SHA256

e8b58f41d867956e5b66d4fd97b3682a83c4186546a51ab0762c4980294fcbfc
SHA512

5f5c7dbb0be1a7dc25eb26285c225d03979c628699a5dc6c29e272e51dab80f667007979770446257addb3cbc47db8d116ac020450a41c54f03401dfc42c3b83
SSDEEP

49152:wCwsbCANnKXferL7Vwe/Gg0P+WhQTjFm1K:bws2ANnKXOaeOgmhQl

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/2432-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2432-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2432-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2480-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2696-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2696-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2696-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2696-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001466c-6.dat	family_gh0strat
behavioral1/memory/2432-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2432-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2432-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2432-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2480-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2696-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2696-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2696-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2696-54-0x0000000010000000-0x00000000101B6000-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

UPX dump on OEP (original entry point) 11 IoCs

resource	yara_rule
behavioral1/memory/2432-18-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2432-21-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2432-22-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2432-20-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2480-30-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2432-35-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2480-43-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2696-48-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2696-41-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2696-50-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2696-54-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatfor.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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259429038.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
2244	R.exe
2432	N.exe
2480	TXPlatfor.exe
2696	TXPlatfor.exe
2128	HD_2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe
2416	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe
2244	R.exe
1096	svchost.exe
2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe
2480	TXPlatfor.exe
2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe
1096	svchost.exe
2416	Remote Data.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2432-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2480-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2432-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2480-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2696-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2696-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2696-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2696-54-0x0000000010000000-0x00000000101B6000-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\259429038.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2348	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2696	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2432	N.exe
Token: SeLoadDriverPrivilege	2696	TXPlatfor.exe
Token: 33	2696	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2696	TXPlatfor.exe
Token: 33	2696	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2696	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe
2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2244	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	28
PID 2072 wrote to memory of 2244	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	28
PID 2072 wrote to memory of 2244	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	28
PID 2072 wrote to memory of 2244	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	28
PID 2072 wrote to memory of 2432	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	31
PID 2072 wrote to memory of 2432	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	31
PID 2072 wrote to memory of 2432	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	31
PID 2072 wrote to memory of 2432	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	31
PID 2072 wrote to memory of 2432	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	31
PID 2072 wrote to memory of 2432	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	31
PID 2072 wrote to memory of 2432	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	31
PID 2432 wrote to memory of 2572	2432	N.exe	33
PID 2432 wrote to memory of 2572	2432	N.exe	33
PID 2432 wrote to memory of 2572	2432	N.exe	33
PID 2432 wrote to memory of 2572	2432	N.exe	33
PID 2480 wrote to memory of 2696	2480	TXPlatfor.exe	35
PID 2480 wrote to memory of 2696	2480	TXPlatfor.exe	35
PID 2480 wrote to memory of 2696	2480	TXPlatfor.exe	35
PID 2480 wrote to memory of 2696	2480	TXPlatfor.exe	35
PID 2480 wrote to memory of 2696	2480	TXPlatfor.exe	35
PID 2480 wrote to memory of 2696	2480	TXPlatfor.exe	35
PID 2480 wrote to memory of 2696	2480	TXPlatfor.exe	35
PID 2072 wrote to memory of 2128	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	36
PID 2072 wrote to memory of 2128	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	36
PID 2072 wrote to memory of 2128	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	36
PID 2072 wrote to memory of 2128	2072	2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe	36
PID 2572 wrote to memory of 2348	2572	cmd.exe	37
PID 2572 wrote to memory of 2348	2572	cmd.exe	37
PID 2572 wrote to memory of 2348	2572	cmd.exe	37
PID 2572 wrote to memory of 2348	2572	cmd.exe	37
PID 1096 wrote to memory of 2416	1096	svchost.exe	38
PID 1096 wrote to memory of 2416	1096	svchost.exe	38
PID 1096 wrote to memory of 2416	1096	svchost.exe	38
PID 1096 wrote to memory of 2416	1096	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2244
- 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:2432
- - 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:2572
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2348
- C:\Users\Admin\AppData\Local\Temp\HD_2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe
  C:\Users\Admin\AppData\Local\Temp\HD_2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe
  2⤵
  - Executes dropped EXE
  PID:2128

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2308

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:1096
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259429038.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2416

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2480
- 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:2696

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_2024-04-16_1d64b1d2d5747d47daaa293105278b20_icedid.exe

Filesize
441KB

MD5
b47b8745f70878706346b2e7db54f591

SHA1
dc994a7ae32c15fdb3bc72f1697f6bcba1cb54e2

SHA256
8957350376d30af610c031c1293cb2ea3e9cd951459b40d99663435edb87dfa3

SHA512
4bf4263fc03610253e9b3639e6edc46b9c7d607f94a8a51dd5c33bbb1b7b120768b79d2c64b1e5792fb47ad596c2773d0f04c599aa3ab15a5d92df10d30bf71c

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

Filesize
2.5MB

MD5
f31db23aff50c2a620e7b4d1426ba6ac

SHA1
9d028dead8e113bde714fabe344ec58316145aec

SHA256
f15c97235a82e64a06ea74a26c37743eae35b784acf7813444d806320c99d578

SHA512
58f8d5b23dad28117da016964489607b2e2491dc5b96c2587eae19c5c2fdae0e686a5b7d6ec33c012a9d7b963b80283ca2bddaa67db529407c1640ef82c02752

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\259429038.txt

Filesize
899KB

MD5
5ae59d0f623df0c67dd1163c7f8784fc

SHA1
99a6820e66f9bad611ed022299456a6404dfeb54

SHA256
443b0adb23a9213d94dfb58414b861d37456e2357f93f69a2f09b728ae693d95

SHA512
dde06e41e7663fb0065d5f18c86a1511f2971ee248b8892afd74bdc1264eb0967555faea01b7386ca31a853b721d06eadfe9829e296f0147888d8163c80e384a

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2432-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2432-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2432-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2432-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2432-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2480-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2480-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2696-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2696-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2696-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2696-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download