gh0strat | 977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d

General

Target

977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
Size

2.6MB
MD5

9dc67d0835d54a4d02343157ccef6ad9
SHA1

ad6b5bd80d2eb52335fee24718b1e3c73e5a3e72
SHA256

977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d
SHA512

58c4ef8f8be1460386a6a5bf4f02133b5e4ae56940908cea99d6e027d2a0c7f25407119332124ce22d4303aa6495e0f5872d8884b74010740df45a8f5f8a8f19
SSDEEP

24576:bCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHf:bCwsbCANnKXferL7Vwe/Gg0P+WhViD

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
behavioral2/memory/440-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/440-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3092-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3092-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/464-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/464-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/464-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3092-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3092-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/440-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240621437.txt	family_gh0strat
behavioral2/memory/440-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/440-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3092-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3092-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/464-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/464-53-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/464-52-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3092-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3092-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/440-15-0x0000000010000000-0x00000000101B6000-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

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.exeHD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exeTXPlatfor.exe

pid process

960 R.exe
440 N.exe
3092 TXPlatfor.exe
4776 HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
464 TXPlatfor.exe
Loads dropped DLL 1 IoCs

Processes:

R.exe

pid process

960 R.exe

pid	process
960	R.exe
440	N.exe
3092	TXPlatfor.exe
4776	HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
464	TXPlatfor.exe

pid	process
960	R.exe

Drops file in System32 directory 3 IoCs

Processes:

R.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240621437.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/440-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/440-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/440-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3092-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3092-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/464-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/464-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/464-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3092-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3092-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3092-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/440-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3216 960 WerFault.exe R.exe
1072 960 WerFault.exe R.exe

pid	pid_target	process	target process
3216	960	WerFault.exe	R.exe
1072	960	WerFault.exe	R.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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:

977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exeR.exeN.exeTXPlatfor.exeHD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.execmd.exePING.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
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	HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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:

PING.EXEcmd.exe

pid process

4612 PING.EXE
5108 cmd.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4612 PING.EXE

pid	process
4612	PING.EXE
5108	cmd.exe

pid	process
4612	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe

pid	process
1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

464 TXPlatfor.exe

pid	process
464	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	440	N.exe
Token: SeLoadDriverPrivilege	464	TXPlatfor.exe
Token: 33	464	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	464	TXPlatfor.exe
Token: 33	464	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	464	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe

pid	process
1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exeN.exeTXPlatfor.execmd.exe

description	pid	process	target process
PID 1600 wrote to memory of 960	1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe	R.exe
PID 1600 wrote to memory of 960	1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe	R.exe
PID 1600 wrote to memory of 960	1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe	R.exe
PID 1600 wrote to memory of 440	1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe	N.exe
PID 1600 wrote to memory of 440	1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe	N.exe
PID 1600 wrote to memory of 440	1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe	N.exe
PID 440 wrote to memory of 5108	440	N.exe	cmd.exe
PID 440 wrote to memory of 5108	440	N.exe	cmd.exe
PID 440 wrote to memory of 5108	440	N.exe	cmd.exe
PID 1600 wrote to memory of 4776	1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe	HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
PID 1600 wrote to memory of 4776	1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe	HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
PID 1600 wrote to memory of 4776	1600	977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe	HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
PID 3092 wrote to memory of 464	3092	TXPlatfor.exe	TXPlatfor.exe
PID 3092 wrote to memory of 464	3092	TXPlatfor.exe	TXPlatfor.exe
PID 3092 wrote to memory of 464	3092	TXPlatfor.exe	TXPlatfor.exe
PID 5108 wrote to memory of 4612	5108	cmd.exe	PING.EXE
PID 5108 wrote to memory of 4612	5108	cmd.exe	PING.EXE
PID 5108 wrote to memory of 4612	5108	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
"C:\Users\Admin\AppData\Local\Temp\977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe"
1⤵
- Drops file in Program Files directory
- 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:960
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 960 -s 452
    3⤵
    - Program crash
    PID:3216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 960 -s 468
    3⤵
    - Program crash
    PID:1072
- 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:440
- - 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:5108
  - - 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:4612
- C:\Users\Admin\AppData\Local\Temp\HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
  C:\Users\Admin\AppData\Local\Temp\HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 960 -ip 960
1⤵
PID:3632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 960 -ip 960
1⤵
PID:4052

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3092
- 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:464

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 Information Discovery

1

T1082

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe

Filesize
9KB

MD5
3613d8d83b78ce3561680a447eb6a24a

SHA1
995eb0e883c7adebcfadd29100d810cb7f882bcd

SHA256
8fdff52a7430dba14fb97239c7fe414710991f16da269374e0936a1385f3a318

SHA512
92161e7bc71f686c5fb0fa1bb78965e5bddff15d35ca8df9ae3fe2cdc0934b7cb5e1d47b6a5237df04d6d448cdeb2b6b74fba60e28cb55cd3d9e29cfc00cac40

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

Filesize
2.5MB

MD5
c4b5fdf92ad5b5e7d8d8df0648cb8044

SHA1
54189d8c5cba249b57fd6a63e35f8d04675478f4

SHA256
03ae5aaef1dc79c45eedd14698e221533735d829bf172cbd1049219e60e1ff0c

SHA512
5ff11d8e2c83f5176499815b04f2ca2164cdd4933a5e359f97f10b0ac3899b59cab642a72a26a12c8eeba89d398651a550d79e0d5ca9928de00b240a0d85b84e

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\240621437.txt

Filesize
899KB

MD5
92653689b8e26e4c9cb773ec95a6c840

SHA1
9508b8c90eb1859f5d4df8d4089206790a90bef2

SHA256
619d53919dfc8e35dcbf93390c35f2eb6540cd8d5a37c371fda6251248c00469

SHA512
6c3426f0383bc5ffdd5823656b5ec6872a88d31e14ca59989ec5621e64cf119197a6ac609d8577ec5b406e3dda4adbd57948e0e687cf82dd13e9611e6dfdcb7f

Download Submit
memory/440-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/440-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/440-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/440-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/464-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/464-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/464-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3092-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3092-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3092-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3092-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3092-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads