gh0strat | a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0

General

Target

a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
Size

2.1MB
MD5

cecaf426adbd95ea44143ba00b5bfb7d
SHA1

55317a43b367cca39f612273ef308fb9944176cb
SHA256

a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0
SHA512

dffa32840acf1e6fee17de269c7ef91311b93d1933422e476f5f002b57ce40fb35b9e9a7f08f906531de6d7a2676d564fd3fb7c7e5cce58d6c801dc498b99ba7
SSDEEP

49152:uQZAdVyVT9n/Gg0P+WhoGpeY5dyWRudqIqfovfK+ZPItx2apeapelI:/GdVyVT9nOgmhMY5dyWRudqIqf7PtUva

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/832-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/832-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/832-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2692-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2632-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2632-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2632-77-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/832-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/832-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/832-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2692-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2632-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2632-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
\Windows\SysWOW64\259398166.txt	family_gh0strat
behavioral1/memory/2632-77-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe

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

Processes:

TXPlatforn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 5 IoCs

Processes:

svchost.exeTXPlatforn.exesvchos.exeTXPlatforn.exeHD_a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe

pid	process
832	svchost.exe
2692	TXPlatforn.exe
2656	svchos.exe
2632	TXPlatforn.exe
2672	HD_a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe

Loads dropped DLL 5 IoCs

Processes:

a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exeTXPlatforn.exesvchos.exe

pid	process
1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
2692	TXPlatforn.exe
1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
2656	svchos.exe
1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/832-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/832-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/832-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/832-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2692-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-77-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

Processes:

svchost.exesvchos.exe

description	ioc	process
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\259398166.txt	svchos.exe

Drops file in Program Files directory 4 IoCs

Processes:

a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe

description	ioc	process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe

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

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2860 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe

pid process

1964 a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2632 TXPlatforn.exe

pid	process
2860	PING.EXE

pid	process
2632	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	832	svchost.exe
Token: SeLoadDriverPrivilege	2632	TXPlatforn.exe
Token: 33	2632	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2632	TXPlatforn.exe
Token: 33	2632	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2632	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe

pid	process
1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exesvchost.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1964 wrote to memory of 832	1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	svchost.exe
PID 1964 wrote to memory of 832	1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	svchost.exe
PID 1964 wrote to memory of 832	1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	svchost.exe
PID 1964 wrote to memory of 832	1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	svchost.exe
PID 1964 wrote to memory of 832	1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	svchost.exe
PID 1964 wrote to memory of 832	1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	svchost.exe
PID 1964 wrote to memory of 832	1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	svchost.exe
PID 832 wrote to memory of 2092	832	svchost.exe	cmd.exe
PID 832 wrote to memory of 2092	832	svchost.exe	cmd.exe
PID 832 wrote to memory of 2092	832	svchost.exe	cmd.exe
PID 832 wrote to memory of 2092	832	svchost.exe	cmd.exe
PID 1964 wrote to memory of 2656	1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	svchos.exe
PID 1964 wrote to memory of 2656	1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	svchos.exe
PID 1964 wrote to memory of 2656	1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	svchos.exe
PID 1964 wrote to memory of 2656	1964	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	svchos.exe
PID 2692 wrote to memory of 2632	2692	TXPlatforn.exe	TXPlatforn.exe
PID 2692 wrote to memory of 2632	2692	TXPlatforn.exe	TXPlatforn.exe
PID 2692 wrote to memory of 2632	2692	TXPlatforn.exe	TXPlatforn.exe
PID 2692 wrote to memory of 2632	2692	TXPlatforn.exe	TXPlatforn.exe
PID 2692 wrote to memory of 2632	2692	TXPlatforn.exe	TXPlatforn.exe
PID 2692 wrote to memory of 2632	2692	TXPlatforn.exe	TXPlatforn.exe
PID 2692 wrote to memory of 2632	2692	TXPlatforn.exe	TXPlatforn.exe
PID 2092 wrote to memory of 2860	2092	cmd.exe	PING.EXE
PID 2092 wrote to memory of 2860	2092	cmd.exe	PING.EXE
PID 2092 wrote to memory of 2860	2092	cmd.exe	PING.EXE
PID 2092 wrote to memory of 2860	2092	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
"C:\Users\Admin\AppData\Local\Temp\a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964

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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:832

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⤵
- Suspicious use of WriteProcessMemory
PID:2092

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2860

C:\Users\Admin\AppData\Local\Temp\svchos.exe
C:\Users\Admin\AppData\Local\Temp\\svchos.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:2656

C:\Users\Admin\AppData\Local\Temp\HD_a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
C:\Users\Admin\AppData\Local\Temp\HD_a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
2⤵
- Executes dropped EXE
PID:2672

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2692

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:2632

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

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
bef65a543985dbbdb7fa695669a33f3e

SHA1
fac45753f15a26fe246956bdd450cf821db82b0f

SHA256
af7d313b323ec19ede7cd1c8e26404513ceda6490473f2db83d8b517f6f02461

SHA512
a03d92f3182ec6bb55d161a63b7f260297df0fa4cb356a3fb5d6e688d5e9f678ca931e3388e41dc6538eb0a810ce778e552563197bed19b6151fa0e81e84fa72

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchos.exe
Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
\Users\Admin\AppData\Local\Temp\HD_a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259398166.txt
Filesize
50KB

MD5
9ccddd59f4e2f410ca7deecc1a812b49

SHA1
f9b891488db714060209bf9d9b67a4fca253e630

SHA256
53cec28f0fe68200f49a95028fabc6f745f4909d5a7a049329373bd86341d213

SHA512
07ad5e38ac70253f1beea371fe0b63792e41445bac7c438a5f7438c7f9bb3e58fe87cb59bfdfeb968a21a2cfabd7ad113430454ae27163853e6771c1f4ec344a

Download Submit
memory/832-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/832-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/832-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/832-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-77-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2692-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads