gh0strat | cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1

General

Target

cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe
Size

1.5MB
MD5

9bbaef9b7a50ccaae547d8abfb59c120
SHA1

d3ab6ae3f8d534483bf4f4cee6dd22948879826a
SHA256

cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1
SHA512

e4cead7aa6919f0d6eb11f102705841fd7d8dd6a4403e1ad54fcb8967d714f6046c013f68c709c2f07e0b26895eb19a788970b8960cd1489438b9f92d06914ff
SSDEEP

24576:M09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+3HWvWL0vbJ:M09XJt4HIN2H2tFvduySN2A0vbJ

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/4832-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4832-11-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4832-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1944-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1944-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1944-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2352-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1944-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2352-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2352-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2352-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/4832-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4832-11-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4832-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1944-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1944-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1944-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2352-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1944-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2352-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2352-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2352-35-0x0000000010000000-0x00000000101B6000-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

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 4 IoCs

pid	Process
4832	RVN.exe
1944	TXPlatforn.exe
2352	TXPlatforn.exe
1388	HD_cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4832-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4832-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4832-11-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4832-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1944-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1944-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1944-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2352-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1944-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1944-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2352-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2352-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2352-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
860	1388	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 5 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	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.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
2760	cmd.exe
4952	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4952	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2680	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe
2680	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2352	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4832	RVN.exe
Token: SeLoadDriverPrivilege	2352	TXPlatforn.exe
Token: 33	2352	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2352	TXPlatforn.exe
Token: 33	2352	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2352	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2680	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe
2680	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 4832	2680	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe	89
PID 2680 wrote to memory of 4832	2680	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe	89
PID 2680 wrote to memory of 4832	2680	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe	89
PID 4832 wrote to memory of 2760	4832	RVN.exe	91
PID 4832 wrote to memory of 2760	4832	RVN.exe	91
PID 4832 wrote to memory of 2760	4832	RVN.exe	91
PID 1944 wrote to memory of 2352	1944	TXPlatforn.exe	94
PID 1944 wrote to memory of 2352	1944	TXPlatforn.exe	94
PID 1944 wrote to memory of 2352	1944	TXPlatforn.exe	94
PID 2680 wrote to memory of 1388	2680	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe	92
PID 2680 wrote to memory of 1388	2680	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe	92
PID 2680 wrote to memory of 1388	2680	cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe	92
PID 2760 wrote to memory of 4952	2760	cmd.exe	98
PID 2760 wrote to memory of 4952	2760	cmd.exe	98
PID 2760 wrote to memory of 4952	2760	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe
"C:\Users\Admin\AppData\Local\Temp\cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.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:2680
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.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:4832
- - 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\RVN.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2760
  - - 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:4952
- C:\Users\Admin\AppData\Local\Temp\HD_cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe
  C:\Users\Admin\AppData\Local\Temp\HD_cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe
  2⤵
  - Executes dropped EXE
  PID:1388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 180
    3⤵
    - Program crash
    PID:860

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:1944
- 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:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1388 -ip 1388
1⤵
PID:3304

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=4452,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4012 /prefetch:8
1⤵
PID:980

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_X.dat

Filesize
1.2MB

MD5
f9f0680799965dccb219eea2b3e61f44

SHA1
f164245d3e33db595d1cdab2b3d18c3eff9d6f1a

SHA256
4bc1768917544e01d781c9b3008410161236ef9d8f952d003161411fd4e76cc6

SHA512
c1a54cfef67e5785bb89b50c72686a2d5b00cd12563c47a61afc84d056c506086bdcfca43e543d7bf44793803c005600bab1004015723eb8555d648e19f5d11b

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_cc553b717bc936d70a9a4cbcd778ca86fd3faa1c39a1c7f52549eea8d37b86e1.exe

Filesize
383KB

MD5
7f0e061f5b6f311013968503d4c1d052

SHA1
ec7c614426e5ae6c22dda350ed3adb2dae2c7e9c

SHA256
be0b500d92c2a93e2ef1770aa3a15e09ed9dbba124fd674a778215bd58add2ad

SHA512
0b3c718e343aa46747e3da493c59e312eddb25177168e11210860be8d534f8f447f76b208f8bbb73b51e8a186730439fb82bb5bda3f56fa3b3eeb8d0e9b5eb8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCXFDA.tmp

Filesize
1.1MB

MD5
9f58046d6ca1fa127002a8e54970aaec

SHA1
d520f8afd50105041453386fd5fc72f9e5e50e27

SHA256
24bbe78bbfdfaa7af928ac2ed346be9462e85520629f720634ce3826a1a3d4e9

SHA512
8e89d3324f1c5c94e5c7950e368642bc2e0697aab71b1a9793c3851893ffdccaab846478ddfd4c21d655b8d44cebeb4b09149b371c60cb73c389c5beaf5ce072

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

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

Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

Download Submit
memory/1944-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1944-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1944-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1944-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1944-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2352-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2352-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2352-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2352-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2680-0-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/2680-119-0x0000000000400000-0x000000000054E000-memory.dmp

Filesize
1.3MB

Download
memory/4832-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4832-11-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4832-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4832-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads