gh0strat | e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 16:07

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General

Target

e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe
Size

5.7MB
MD5

dafaf60caed2c7bec0ab19298a1d90f0
SHA1

2debdd5cb59350e13ea72d627ff802dee712fa21
SHA256

e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df
SHA512

ac54d7025668d4937e935613e4413b2fa1b241cca5e7a00871f93cd2516b816c7ac476c9fe30c4c497c25ef12b1b44b7f9f34210ba44a25da53d4a67cf51f8a7
SSDEEP

98304:Ows2ANnKXOaeOgmhLSj/ILkiFP5XeaReHZuVdeedeO0w:cKXbeO7xU/ELeaRkceqb0w

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1924-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1924-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2760-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2760-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2760-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1712-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1924-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1712-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0009000000015d2a-6.dat	family_gh0strat
behavioral1/memory/1924-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1924-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2760-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2760-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2760-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1712-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1924-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1712-26-0x0000000010000000-0x00000000101B6000-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

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_e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe

pid	Process
2404	R.exe
1924	N.exe
1712	TXPlatfor.exe
2760	TXPlatfor.exe
2772	HD_e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe

Loads dropped DLL 5 IoCs

Processes:

e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exeR.exeTXPlatfor.exe

pid	Process
1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe
2404	R.exe
1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe
1712	TXPlatfor.exe
1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.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\259439412.txt	R.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1924-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1924-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1924-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2760-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2760-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2760-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1712-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1924-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1712-26-0x0000000010000000-0x00000000101B6000-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:

N.exeTXPlatfor.execmd.exePING.EXEe32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exeR.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.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	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.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
2712	cmd.exe
2828	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2828	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe

pid	Process
1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid	Process
2760	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	1924	N.exe
Token: SeLoadDriverPrivilege	2760	TXPlatfor.exe
Token: 33	2760	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2760	TXPlatfor.exe
Token: 33	2760	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2760	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe

pid	Process
1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe
1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exeN.exeTXPlatfor.execmd.exe

description	pid	Process	procid_target
PID 1600 wrote to memory of 2404	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	30
PID 1600 wrote to memory of 2404	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	30
PID 1600 wrote to memory of 2404	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	30
PID 1600 wrote to memory of 2404	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	30
PID 1600 wrote to memory of 1924	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	31
PID 1600 wrote to memory of 1924	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	31
PID 1600 wrote to memory of 1924	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	31
PID 1600 wrote to memory of 1924	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	31
PID 1600 wrote to memory of 1924	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	31
PID 1600 wrote to memory of 1924	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	31
PID 1600 wrote to memory of 1924	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	31
PID 1924 wrote to memory of 2712	1924	N.exe	33
PID 1924 wrote to memory of 2712	1924	N.exe	33
PID 1924 wrote to memory of 2712	1924	N.exe	33
PID 1924 wrote to memory of 2712	1924	N.exe	33
PID 1712 wrote to memory of 2760	1712	TXPlatfor.exe	34
PID 1712 wrote to memory of 2760	1712	TXPlatfor.exe	34
PID 1712 wrote to memory of 2760	1712	TXPlatfor.exe	34
PID 1712 wrote to memory of 2760	1712	TXPlatfor.exe	34
PID 1712 wrote to memory of 2760	1712	TXPlatfor.exe	34
PID 1712 wrote to memory of 2760	1712	TXPlatfor.exe	34
PID 1712 wrote to memory of 2760	1712	TXPlatfor.exe	34
PID 1600 wrote to memory of 2772	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	36
PID 1600 wrote to memory of 2772	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	36
PID 1600 wrote to memory of 2772	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	36
PID 1600 wrote to memory of 2772	1600	e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe	36
PID 2712 wrote to memory of 2828	2712	cmd.exe	37
PID 2712 wrote to memory of 2828	2712	cmd.exe	37
PID 2712 wrote to memory of 2828	2712	cmd.exe	37
PID 2712 wrote to memory of 2828	2712	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe
"C:\Users\Admin\AppData\Local\Temp\e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1600
- 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:2404
- 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:1924
- - 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:2712
  - - 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:2828
- C:\Users\Admin\AppData\Local\Temp\HD_e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe
  C:\Users\Admin\AppData\Local\Temp\HD_e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe
  2⤵
  - Executes dropped EXE
  PID:2772

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:1712
- 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:2760

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

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_e32fa192fa3b8ef75c450cf86e17e2eb01bc8743e28600411e7bceacd999e0df.exe

Filesize
3.0MB

MD5
d7da3a3558ca4964ffb328605fd4f00c

SHA1
88de8f94f3b21a385159fe0910ef2ebb87e10e0b

SHA256
fb22dbf3bcd6efca2aa02b27b2e63515d31a47ac7b0f71f9002b4d1551cc49bd

SHA512
e429d25ef1534f615b231e04bc779e1ff60ce7bd1ec3a7ce0b28a791908e7bcfd10ab6f15b3fd70a550a00730b4b722b533820293419dc4ef0f17ed0c1ac7d74

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\Desktop\BlockFind.exe

Filesize
3.5MB

MD5
b053f72846296e4a232c8ea06ed9cb44

SHA1
540cfdfb580116655d7f710ab3a9376ea2011f81

SHA256
939f2fcc99f4613974fcd5f6a506c774fc582de691ef3f60b1eb71539304bbb7

SHA512
57f239bdc1c35be36ec6d618cfcb9d2587b37b8fdb497f93b3f653d5b13be324003f7713f42c0d18778383874dcc8c1b87c17e531fcf210c80e12f2a84612c8d

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259439412.txt

Filesize
899KB

MD5
82d8fdc5eb2aa2ed0b9e17d9ce302878

SHA1
aaf177c83a8d9d9d45a3f8168dc7ee6fb2c2e2a7

SHA256
11df4b12d2c12a33f86ea57367d3c54284fb41102bab3254ba28b5fc97a55817

SHA512
a9ecea43ca2061d8b251dfd68ec6d98b915399ccbbf1e3c4f5cf13379418863f54057bda01cb545e2d9865280c4278eba2a7ee432c9fbf202ac4ff8cf7c5661d

Download Submit
memory/1712-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1712-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1924-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1924-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1924-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1924-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2760-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2760-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2760-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download