gh0strat | de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5

General

Target

de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe
Size

3.3MB
MD5

002408ce41d913be152e2fe1d10306ac
SHA1

4fefc52b4a4b91354e4cd0d0369c83d4506fd804
SHA256

de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5
SHA512

282e2039cbd29bfcd92cbf8894ab5adf53f8db8ed5c78edfd8f8305955bcd79d649a8658dbc11a03aa04c2734e89b87edba167829de77882604a4000a9556251
SSDEEP

49152:hCwsbCANnKXferL7Vwe/Gg0P+Wh8Gtt6H3NmDV5MSTuC:Mws2ANnKXOaeOgmhN8d4V5Np

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2796-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2692-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2692-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2876-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2876-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2876-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2876-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2876-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0008000000016d49-6.dat	family_gh0strat
behavioral1/memory/2796-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2692-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2692-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2876-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2876-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2876-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2876-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2876-47-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatfor.exe

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatfor.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Executes dropped EXE 5 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe

pid	Process
2504	R.exe
2796	N.exe
2692	TXPlatfor.exe
2876	TXPlatfor.exe
2556	HD_de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe

Loads dropped DLL 5 IoCs

Processes:

de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exeR.exeTXPlatfor.exe

pid	Process
1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe
2504	R.exe
1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe
2692	TXPlatfor.exe
1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe

Drops file in System32 directory 3 IoCs

Processes:

N.exeR.exe

description	ioc	Process
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\259451846.txt	R.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2796-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2692-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2692-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2876-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2876-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2876-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2876-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2876-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2876-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 6 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

Processes:

TXPlatfor.exeN.execmd.exePING.EXEde9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exeR.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
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	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.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

Processes:

cmd.exePING.EXE

pid	Process
2592	cmd.exe
2616	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2616	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe

pid	Process
1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid	Process
2876	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	2796	N.exe
Token: SeLoadDriverPrivilege	2876	TXPlatfor.exe
Token: 33	2876	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2876	TXPlatfor.exe
Token: 33	2876	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2876	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe

pid	Process
1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe
1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exeN.exeTXPlatfor.execmd.exe

description	pid	Process	procid_target
PID 1904 wrote to memory of 2504	1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe	31
PID 1904 wrote to memory of 2504	1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe	31
PID 1904 wrote to memory of 2504	1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe	31
PID 1904 wrote to memory of 2504	1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe	31
PID 1904 wrote to memory of 2796	1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe	32
PID 1904 wrote to memory of 2796	1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe	32
PID 1904 wrote to memory of 2796	1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe	32
PID 1904 wrote to memory of 2796	1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe	32
PID 1904 wrote to memory of 2796	1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe	32
PID 1904 wrote to memory of 2796	1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe	32
PID 1904 wrote to memory of 2796	1904	de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe	32
PID 2796 wrote to memory of 2592	2796	N.exe	34
PID 2796 wrote to memory of 2592	2796	N.exe	34
PID 2796 wrote to memory of 2592	2796	N.exe	34
PID 2796 wrote to memory of 2592	2796	N.exe	34
PID 2692 wrote to memory of 2876	2692	TXPlatfor.exe	35
PID 2692 wrote to memory of 2876	2692	TXPlatfor.exe	35
PID 2692 wrote to memory of 2876	2692	TXPlatfor.exe	35
PID 2692 wrote to memory of 2876	2692	TXPlatfor.exe	35
PID 2692 wrote to memory of 2876	2692	TXPlatfor.exe	35
PID 2692 wrote to memory of 2876	2692	TXPlatfor.exe	35
PID 2692 wrote to memory of 2876	2692	TXPlatfor.exe	35
PID 2592 wrote to memory of 2616	2592	cmd.exe	38
PID 2592 wrote to memory of 2616	2592	cmd.exe	38
PID 2592 wrote to memory of 2616	2592	cmd.exe	38
PID 2592 wrote to memory of 2616	2592	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe
"C:\Users\Admin\AppData\Local\Temp\de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2504
- 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:2796
- - 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:2592
  - - 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:2616
- C:\Users\Admin\AppData\Local\Temp\HD_de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe
  C:\Users\Admin\AppData\Local\Temp\HD_de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe
  2⤵
  - Executes dropped EXE
  PID:2556

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:2692
- 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:2876

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

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

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
2.3MB

MD5
e9ab43a8fee35a16203dab364564cd44

SHA1
462777dedcdb1ddb4a69fdf44fae8970879527de

SHA256
57046fad284e5365e568e5ca8f1cd9e94bfbd544de4217f45f0fddf113e367c5

SHA512
6f4de942ea8379b41b74460ff37c7204f9e80d5f98c7aab2ae06cf0a42d1675353b3230bd136fad0738fe0e44f0a7fea7b2258736cafb35e8d0bd12bd4dae7bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_de9e525338b6c2f3a263a3c0915e316b35badf54c43e48fab5b7e2091bf634d5.exe

Filesize
1.0MB

MD5
94f3cca6f1e55648e3ad9f01d73c8f4a

SHA1
310374535d0649a6694f1b3073498cf7fcf998c3

SHA256
44554512695b3d3ad4e4ff40022ea02a5e2f92bf4c5ceb15487e99f979369f33

SHA512
94aecf77ec7d2b47f6b1228feb5df6ee5f97fcb6d3daa076a23dee3438f29aa22861400e6fa004edde970b3661f90d93e2576c4d07d39fd5d598cdfc6dbf3c92

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\259451846.txt

Filesize
899KB

MD5
0966e896c4c99d70935a0b28ebbf9a38

SHA1
64e567c85748aee668485a59824541567b52bcb1

SHA256
8d59ef0fc1df2dc202d494da59dfe9514a10758ca29b9768c4cb4da83ad73d05

SHA512
1b06d6e44aafabdef3cf38a220169b4f32214e3c0fb7f4b2cad864b8545f5a014a9124350b54e896eab68574e4a0b86a9138cb501bf10b9ea6b16676fff01a95

Download Submit
memory/2692-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2692-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2876-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2876-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2876-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2876-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2876-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2876-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads