gh0strat | 0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182

General

Target

0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe
Size

1.4MB
MD5

16ee54534c64f27f83761954d41e4368
SHA1

c3a54b4f79397904ad093971078c979cfda6d4b6
SHA256

0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182
SHA512

2ea86f439a0b07d978aa7405efb6a444539844e7525304b9db063126eb94fa377b2dc63ef79186c1724d7d01c4dba2a572b81d136aded16e3b5a9e098e1feab2
SSDEEP

24576:EQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVkraBN:EQZAdVyVT9n/Gg0P+WhoY

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2852-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2852-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2852-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3784-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3784-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3784-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4584-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3784-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4584-80-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4584-84-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4584-85-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/2852-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2852-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2852-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3784-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3784-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3784-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4584-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x00070000000235a1-36.dat	family_gh0strat
behavioral2/memory/3784-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4584-80-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4584-84-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4584-85-0x0000000010000000-0x00000000101B6000-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	TXPlatforn.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\241365453.txt"	svchos.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"	TXPlatforn.exe

Executes dropped EXE 5 IoCs

pid	Process
2852	svchost.exe
3784	TXPlatforn.exe
4584	TXPlatforn.exe
2848	svchos.exe
2044	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
2848	svchos.exe
1088	svchost.exe
2044	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2852-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2852-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2852-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2852-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3784-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3784-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3784-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3784-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4584-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3784-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4584-80-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4584-84-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4584-85-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\241365453.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 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

description	ioc	Process
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	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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

pid	Process
2732	cmd.exe
3308	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3308	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4584	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2852	svchost.exe
Token: SeLoadDriverPrivilege	4584	TXPlatforn.exe
Token: 33	4584	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4584	TXPlatforn.exe
Token: 33	4584	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4584	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4948	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe
4948	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 2852	4948	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe	91
PID 4948 wrote to memory of 2852	4948	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe	91
PID 4948 wrote to memory of 2852	4948	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe	91
PID 2852 wrote to memory of 2732	2852	svchost.exe	94
PID 2852 wrote to memory of 2732	2852	svchost.exe	94
PID 2852 wrote to memory of 2732	2852	svchost.exe	94
PID 3784 wrote to memory of 4584	3784	TXPlatforn.exe	95
PID 3784 wrote to memory of 4584	3784	TXPlatforn.exe	95
PID 3784 wrote to memory of 4584	3784	TXPlatforn.exe	95
PID 4948 wrote to memory of 2848	4948	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe	96
PID 4948 wrote to memory of 2848	4948	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe	96
PID 4948 wrote to memory of 2848	4948	0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe	96
PID 2732 wrote to memory of 3308	2732	cmd.exe	100
PID 2732 wrote to memory of 3308	2732	cmd.exe	100
PID 2732 wrote to memory of 3308	2732	cmd.exe	100
PID 1088 wrote to memory of 2044	1088	svchost.exe	103
PID 1088 wrote to memory of 2044	1088	svchost.exe	103
PID 1088 wrote to memory of 2044	1088	svchost.exe	103

C:\Users\Admin\AppData\Local\Temp\0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe
"C:\Users\Admin\AppData\Local\Temp\0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.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:2852
- - 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\svchost.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2732
  - - 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:3308
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2848

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3784
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.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:4584

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:880

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\241365453.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2044

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3988,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:8
1⤵
PID:3056

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

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

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_X.dat

Filesize
1.4MB

MD5
16ee54534c64f27f83761954d41e4368

SHA1
c3a54b4f79397904ad093971078c979cfda6d4b6

SHA256
0813cc1890daa309d46c9d3553f64d6e072bea061bb4af88b5141b550dee0182

SHA512
2ea86f439a0b07d978aa7405efb6a444539844e7525304b9db063126eb94fa377b2dc63ef79186c1724d7d01c4dba2a572b81d136aded16e3b5a9e098e1feab2

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

Filesize
1.4MB

MD5
43e292ffa61721dff237d7efe11702dd

SHA1
8bd61312a3e8819a02fca3695a57e485a5cf2f06

SHA256
4d3bb7226df6767bb055aadf4265365b0ceb48755c0cf692fa6ea1ef02da0dfc

SHA512
f47eb18f0d068df9e99781189c99ad56df34a169dce2133a0f9d2006b5bdd4e40a32f0f994b7c345acbb9d83a65c329e7e1c43496cdfe05ae68897008c04f29c

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico

Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\241365453.txt

Filesize
50KB

MD5
5370ec633dc65f61881758c402dcd816

SHA1
85bec252e08f7e3d6698698635a56b6a7531f147

SHA256
5c26c5fbfe9d32b8394a423318919155e0011768817558f14b6d90ed6d646a90

SHA512
0bcd3428bd9f2c5edb6985c2472d7e0c73e9f1457e338fdb75ff51432b9039aa48c889471a134a4152c27c4fb35bb287d3accdf002dad9f56cdd7ef942526844

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2852-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2852-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2852-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2852-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3784-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3784-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3784-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3784-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3784-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4584-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4584-85-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4584-84-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4584-80-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads