gh0strat | e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04

General

Target

e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
Size

4.5MB
MD5

cd3d25662e9ddf01496912978b105c53
SHA1

99407060ddb0b0a33148081f0eda7ca98f88a925
SHA256

e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04
SHA512

90eb6ef7ac2d0763a28c98fb5cd8a1afb7e2eeb0c013aa5ee4807385477d5922daf4945de3d0c6a74b3edfcb2643cc70e8e664411aebd7041dbd96394f29419e
SSDEEP

49152:H09XJt4HIN2H2tFvduySIbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8R:UZJt4HINy2LkIbXsPN5kiQaZ56

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1852-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1852-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1852-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2428-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2236-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2428-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2428-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2236-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2428-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/1852-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1852-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1852-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2428-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2236-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2428-72-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2428-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2236-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2428-73-0x0000000010000000-0x00000000101B6000-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

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
1852	RVN.exe
2236	TXPlatforn.exe
2428	TXPlatforn.exe
2312	HD_e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe

Loads dropped DLL 3 IoCs

pid	Process
2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
2236	TXPlatforn.exe
2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe

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

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1852-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1852-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1852-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1852-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2428-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2236-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2428-72-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2428-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2236-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2428-73-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
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	HD_e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.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

pid	Process
2116	cmd.exe
2612	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2612	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2428	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1852	RVN.exe
Token: SeLoadDriverPrivilege	2428	TXPlatforn.exe
Token: 33	2428	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2428	TXPlatforn.exe
Token: 33	2428	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2428	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 1852	2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe	30
PID 2544 wrote to memory of 1852	2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe	30
PID 2544 wrote to memory of 1852	2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe	30
PID 2544 wrote to memory of 1852	2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe	30
PID 2544 wrote to memory of 1852	2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe	30
PID 2544 wrote to memory of 1852	2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe	30
PID 2544 wrote to memory of 1852	2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe	30
PID 1852 wrote to memory of 2116	1852	RVN.exe	32
PID 1852 wrote to memory of 2116	1852	RVN.exe	32
PID 1852 wrote to memory of 2116	1852	RVN.exe	32
PID 1852 wrote to memory of 2116	1852	RVN.exe	32
PID 2236 wrote to memory of 2428	2236	TXPlatforn.exe	33
PID 2236 wrote to memory of 2428	2236	TXPlatforn.exe	33
PID 2236 wrote to memory of 2428	2236	TXPlatforn.exe	33
PID 2236 wrote to memory of 2428	2236	TXPlatforn.exe	33
PID 2236 wrote to memory of 2428	2236	TXPlatforn.exe	33
PID 2236 wrote to memory of 2428	2236	TXPlatforn.exe	33
PID 2236 wrote to memory of 2428	2236	TXPlatforn.exe	33
PID 2544 wrote to memory of 2312	2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe	34
PID 2544 wrote to memory of 2312	2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe	34
PID 2544 wrote to memory of 2312	2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe	34
PID 2544 wrote to memory of 2312	2544	e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe	34
PID 2116 wrote to memory of 2612	2116	cmd.exe	36
PID 2116 wrote to memory of 2612	2116	cmd.exe	36
PID 2116 wrote to memory of 2612	2116	cmd.exe	36
PID 2116 wrote to memory of 2612	2116	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
"C:\Users\Admin\AppData\Local\Temp\e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2544
- 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:1852
- - 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:2116
  - - 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:2612
- C:\Users\Admin\AppData\Local\Temp\HD_e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
  C:\Users\Admin\AppData\Local\Temp\HD_e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2312

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- 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:2428

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
1.4MB

MD5
43150a08486d2a3f5fbe198d2bb862ad

SHA1
f2901d03817c78e36d9498bbbc8787769fa4be42

SHA256
87e98c4df1ff8d283a781683f60cc703fff75b79ef254431340d6d97a4b32d50

SHA512
d6f1a427e666e3b57eb1c1c643029696e5cc44c7bace3f28389cec683408425d95fab0ed8ffa4d716615b033b166430da6f7a24890218c0899bef1a311eef0a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_e2fcd7449f37e9824bbdb58b9ca34665c02bcd5acc5454aecc947965fb9a2a04.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1852-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1852-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1852-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1852-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2236-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2236-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2428-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2428-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2428-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2428-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-0-0x0000000000400000-0x0000000000592000-memory.dmp

Filesize
1.6MB

Download
memory/2544-89-0x0000000000400000-0x0000000000592000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads