gh0strat | 59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c

Analysis

max time kernel
151s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/04/2024, 18:21

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General

Target

59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe
Size

2.8MB
MD5

8980e05bee5134b84062065072a3cb63
SHA1

e9fef2ba85e677f279bdee12585d2338b9759d2a
SHA256

59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c
SHA512

13de8dd75cca60890766bc805ae48259d162cfe509aecdb0a02f161701dd80fde2ba7c1ab75baf615389dba403f2518e13ba3d606bef846aa373af768e8038ab
SSDEEP

24576:yCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHQ:yCwsbCANnKXferL7Vwe/Gg0P+WhhyBQ

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2500-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2500-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2500-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2620-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2276-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2276-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2276-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015601-6.dat	family_gh0strat
behavioral1/memory/2500-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2500-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2500-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2620-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2500-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2620-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2276-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2276-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2276-54-0x0000000010000000-0x00000000101B6000-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

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\\259410583.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
1980	R.exe
2500	N.exe
2620	TXPlatfor.exe
2276	TXPlatfor.exe
2632	HD_59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe
1700	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe
1980	R.exe
1932	svchost.exe
2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe
2620	TXPlatfor.exe
2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe
1932	svchost.exe
1700	Remote Data.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2500-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2500-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2500-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2500-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2500-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2276-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2276-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2276-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2276-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259410583.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2412	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2276	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2500	N.exe
Token: SeLoadDriverPrivilege	2276	TXPlatfor.exe
Token: 33	2276	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2276	TXPlatfor.exe
Token: 33	2276	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2276	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe
2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 1980	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	28
PID 2280 wrote to memory of 1980	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	28
PID 2280 wrote to memory of 1980	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	28
PID 2280 wrote to memory of 1980	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	28
PID 2280 wrote to memory of 2500	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	31
PID 2280 wrote to memory of 2500	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	31
PID 2280 wrote to memory of 2500	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	31
PID 2280 wrote to memory of 2500	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	31
PID 2280 wrote to memory of 2500	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	31
PID 2280 wrote to memory of 2500	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	31
PID 2280 wrote to memory of 2500	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	31
PID 2500 wrote to memory of 2540	2500	N.exe	33
PID 2500 wrote to memory of 2540	2500	N.exe	33
PID 2500 wrote to memory of 2540	2500	N.exe	33
PID 2500 wrote to memory of 2540	2500	N.exe	33
PID 2620 wrote to memory of 2276	2620	TXPlatfor.exe	34
PID 2620 wrote to memory of 2276	2620	TXPlatfor.exe	34
PID 2620 wrote to memory of 2276	2620	TXPlatfor.exe	34
PID 2620 wrote to memory of 2276	2620	TXPlatfor.exe	34
PID 2620 wrote to memory of 2276	2620	TXPlatfor.exe	34
PID 2620 wrote to memory of 2276	2620	TXPlatfor.exe	34
PID 2620 wrote to memory of 2276	2620	TXPlatfor.exe	34
PID 2280 wrote to memory of 2632	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	35
PID 2280 wrote to memory of 2632	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	35
PID 2280 wrote to memory of 2632	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	35
PID 2280 wrote to memory of 2632	2280	59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe	35
PID 2540 wrote to memory of 2412	2540	cmd.exe	37
PID 2540 wrote to memory of 2412	2540	cmd.exe	37
PID 2540 wrote to memory of 2412	2540	cmd.exe	37
PID 2540 wrote to memory of 2412	2540	cmd.exe	37
PID 1932 wrote to memory of 1700	1932	svchost.exe	38
PID 1932 wrote to memory of 1700	1932	svchost.exe	38
PID 1932 wrote to memory of 1700	1932	svchost.exe	38
PID 1932 wrote to memory of 1700	1932	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe
"C:\Users\Admin\AppData\Local\Temp\59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2280
- 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:1980
- 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:2500
- - 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:2540
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2412
- C:\Users\Admin\AppData\Local\Temp\HD_59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe
  C:\Users\Admin\AppData\Local\Temp\HD_59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe
  2⤵
  - Executes dropped EXE
  PID:2632

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1856

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:1932
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259410583.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1700

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2620
- 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:2276

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_X.dat

Filesize
2.6MB

MD5
274fe01eb0f4cd402c3cfdeda4b30715

SHA1
72db93e86caaadf2f28e5265ebfbc2ea6ba9e705

SHA256
843743adaef60d2f490d2702487f7687ffa36524d11ad89feed31bbddfd21d40

SHA512
6d71d57566f436c6e1242421070bca8c62ba95a7ccfc73ae5efef54f93482b3e3b742bda361b7c713a5e5158f11310401341bd1ddd4f011ba33f77c5e9543798

Download Submit
\Users\Admin\AppData\Local\Temp\HD_59af24aec6f21290977627820b21ad9e42341a9234caa55605b4d3ba23d6425c.exe

Filesize
192KB

MD5
dc1e68ec59068d99184fe3e0c96c956f

SHA1
e1f4253902683c8565cb02b2d9b0095156e62fdb

SHA256
4efbcafbfe4b764cc8b4d3282311b1fe8a04dfcc13ac0ce21d71dcc82595eb21

SHA512
165edb98550cd0257946031881621eb67201fdb90b3de0ac9c6ed90259538525270b6b99bffbcdadc335bd676dbf277b25dd26f0383a2fb623629d46a1dc7ce8

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\259410583.txt

Filesize
899KB

MD5
7769c7f019747f7c1b12acc2b8f19ae4

SHA1
f603f0d119da18865932a438a1fcb9799d5bf28e

SHA256
15cd4dca49d968ae99704a9781c89f357c0f1b0a8ae9bf7b661faeb8df592275

SHA512
e6020c4d2b6ca599bfb0d0428470509404ff1601c7206a517bc938409d2a07848b0ea62d9335c475bf6adc9efa972d34d09203533c480327512a453a7a22fece

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2276-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2276-54-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2276-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2276-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2500-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2500-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2500-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2500-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2500-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

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

Filesize
1.7MB

Download
memory/2620-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download