gh0strat | d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d

General

Target

d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe
Size

5.9MB
MD5

5bfcfdec6f452cc567477734d98bce05
SHA1

89555a9df3f5190d96e50fcf86f77d4c87a53a38
SHA256

d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d
SHA512

d395e996d13048beb8718fc5352d7bd93939798a0b551ac0d592340de88794ffbb2fddc1215f9c6b170e7e4bef2d10d0c532d749784b5bea855b27cacd901484
SSDEEP

49152:b09XJt4HIN2H2tFvduySngOk+SXtTW1gHy3O0T9Mq1mvF5Gj3t1N13tiCSA/Bkj0:IZJt4HINy2LkgDa2FFu91rSA

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/2124-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2124-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2124-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2984-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2784-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2784-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2984-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2784-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2784-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2124-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2124-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2124-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2984-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2784-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2784-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2984-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2784-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2784-38-0x0000000010000000-0x00000000101B6000-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
2124	RVN.exe
2984	TXPlatforn.exe
2784	TXPlatforn.exe
2704	HD_d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe

Loads dropped DLL 3 IoCs

pid	Process
2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe
2984	TXPlatforn.exe
2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.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/2124-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2124-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2124-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2124-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2984-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2784-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2784-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2984-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2784-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2784-38-0x0000000010000000-0x00000000101B6000-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	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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
2840	PING.EXE
2576	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2840	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2784	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2124	RVN.exe
Token: SeLoadDriverPrivilege	2784	TXPlatforn.exe
Token: 33	2784	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2784	TXPlatforn.exe
Token: 33	2784	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2784	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe
2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2124	2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe	30
PID 2400 wrote to memory of 2124	2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe	30
PID 2400 wrote to memory of 2124	2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe	30
PID 2400 wrote to memory of 2124	2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe	30
PID 2400 wrote to memory of 2124	2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe	30
PID 2400 wrote to memory of 2124	2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe	30
PID 2400 wrote to memory of 2124	2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe	30
PID 2984 wrote to memory of 2784	2984	TXPlatforn.exe	32
PID 2984 wrote to memory of 2784	2984	TXPlatforn.exe	32
PID 2984 wrote to memory of 2784	2984	TXPlatforn.exe	32
PID 2984 wrote to memory of 2784	2984	TXPlatforn.exe	32
PID 2984 wrote to memory of 2784	2984	TXPlatforn.exe	32
PID 2984 wrote to memory of 2784	2984	TXPlatforn.exe	32
PID 2984 wrote to memory of 2784	2984	TXPlatforn.exe	32
PID 2124 wrote to memory of 2576	2124	RVN.exe	33
PID 2124 wrote to memory of 2576	2124	RVN.exe	33
PID 2124 wrote to memory of 2576	2124	RVN.exe	33
PID 2124 wrote to memory of 2576	2124	RVN.exe	33
PID 2400 wrote to memory of 2704	2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe	34
PID 2400 wrote to memory of 2704	2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe	34
PID 2400 wrote to memory of 2704	2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe	34
PID 2400 wrote to memory of 2704	2400	d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe	34
PID 2576 wrote to memory of 2840	2576	cmd.exe	36
PID 2576 wrote to memory of 2840	2576	cmd.exe	36
PID 2576 wrote to memory of 2840	2576	cmd.exe	36
PID 2576 wrote to memory of 2840	2576	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe
"C:\Users\Admin\AppData\Local\Temp\d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.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:2400
- 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:2124
- - 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:2576
  - - 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:2840
- C:\Users\Admin\AppData\Local\Temp\HD_d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe
  C:\Users\Admin\AppData\Local\Temp\HD_d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe
  2⤵
  - Executes dropped EXE
  PID:2704

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:2984
- 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:2784

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
87a32e2deb14d40b4b76ff453ab987ce

SHA1
1ecca821ec131f00c2f405d1c277ad9097674bf6

SHA256
b8c1ff3098bc471f814889a516239270d3ccc13390af5b064c024be67f61fecb

SHA512
dc6f5ab83609664bb95df4085c9e18f997699f7e0d6a6e3a199735416c19c4f2143b9f0d2b797d845221459f9babe9c2d2d2b5f3474f51fc982de42cc5c211c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_d0a9c040da663dc67ff2cbf2f9fad31f6373d4c802e8903fbed0818edee2049d.exe

Filesize
4.7MB

MD5
cc415b435e255a87d391fbe3b4c7009d

SHA1
1736a36530e64bd53d61efa645b3cd8fbd015e84

SHA256
e472ff41e2776771d738c5ac0cf4be582287b62d4530907184be1f97dcf41d01

SHA512
8e83e2230fc2af7bd2fc68395ace4665898dac389976c40c427f2c0d00ffed04a02c243f2ff7cda62d2f96800e3320c4d5a4fdaf32a6c51e12983011bf3d1d0b

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2124-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2124-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2124-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2124-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-81-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download
memory/2704-75-0x000000001AF70000-0x000000001B022000-memory.dmp

Filesize
712KB

Download
memory/2704-80-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download
memory/2704-79-0x0000000000A10000-0x0000000000A2E000-memory.dmp

Filesize
120KB

Download
memory/2704-77-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download
memory/2704-78-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download
memory/2704-40-0x0000000000A50000-0x0000000000F0C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-74-0x0000000000470000-0x00000000004AE000-memory.dmp

Filesize
248KB

Download
memory/2784-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2784-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2784-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2784-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2984-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2984-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads