gh0strat | ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 04:29

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General

Target

ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
Size

3.4MB
MD5

2074a68e4a8637ec00952a61c2721063
SHA1

6ff5fc7a91f7549f90409538ac96333144e49d72
SHA256

ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5
SHA512

0025e2a77551103182093302567ed2356eea44dbbb9f5ca6492205815dae36fe96a830870c6e00e507b99fb651a7ad8d734ac44ce343bb25b9b45942542fc8ca
SSDEEP

49152:wQZAdVyVT9n/Gg0P+Who/e4ldYWE6rKhTeQyKp:ZGdVyVT9nOgmhX4ldYWYEu

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2968-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2968-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2968-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2920-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2920-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/844-50-0x0000000002A10000-0x0000000002C42000-memory.dmp	purplefox_rootkit
behavioral1/memory/2920-86-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2968-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2968-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2968-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000015cbd-33.dat	family_gh0strat
behavioral1/memory/2764-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2920-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2920-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/844-50-0x0000000002A10000-0x0000000002C42000-memory.dmp	family_gh0strat
behavioral1/memory/2920-86-0x0000000010000000-0x00000000101B6000-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 DLL path for service in the 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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259396309.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 6 IoCs

pid	Process
2968	svchost.exe
2764	TXPlatforn.exe
2588	svchos.exe
2920	TXPlatforn.exe
2448	HD_ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
2708	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
2764	TXPlatforn.exe
2588	svchos.exe
2832	svchost.exe
844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
2832	svchost.exe
2708	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2968-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2968-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2968-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2968-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2920-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2920-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/844-50-0x0000000002A10000-0x0000000002C42000-memory.dmp	upx
behavioral1/memory/2920-86-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

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\259396309.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
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

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	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.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

pid	Process
2756	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2920	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2968	svchost.exe
Token: SeLoadDriverPrivilege	2920	TXPlatforn.exe
Token: 33	2920	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2920	TXPlatforn.exe
Token: 33	2920	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2920	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 2968	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	28
PID 844 wrote to memory of 2968	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	28
PID 844 wrote to memory of 2968	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	28
PID 844 wrote to memory of 2968	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	28
PID 844 wrote to memory of 2968	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	28
PID 844 wrote to memory of 2968	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	28
PID 844 wrote to memory of 2968	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	28
PID 2968 wrote to memory of 2580	2968	svchost.exe	30
PID 2968 wrote to memory of 2580	2968	svchost.exe	30
PID 2968 wrote to memory of 2580	2968	svchost.exe	30
PID 2968 wrote to memory of 2580	2968	svchost.exe	30
PID 844 wrote to memory of 2588	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	31
PID 844 wrote to memory of 2588	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	31
PID 844 wrote to memory of 2588	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	31
PID 844 wrote to memory of 2588	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	31
PID 2764 wrote to memory of 2920	2764	TXPlatforn.exe	33
PID 2764 wrote to memory of 2920	2764	TXPlatforn.exe	33
PID 2764 wrote to memory of 2920	2764	TXPlatforn.exe	33
PID 2764 wrote to memory of 2920	2764	TXPlatforn.exe	33
PID 2764 wrote to memory of 2920	2764	TXPlatforn.exe	33
PID 2764 wrote to memory of 2920	2764	TXPlatforn.exe	33
PID 2764 wrote to memory of 2920	2764	TXPlatforn.exe	33
PID 2580 wrote to memory of 2756	2580	cmd.exe	34
PID 2580 wrote to memory of 2756	2580	cmd.exe	34
PID 2580 wrote to memory of 2756	2580	cmd.exe	34
PID 2580 wrote to memory of 2756	2580	cmd.exe	34
PID 844 wrote to memory of 2448	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	37
PID 844 wrote to memory of 2448	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	37
PID 844 wrote to memory of 2448	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	37
PID 844 wrote to memory of 2448	844	ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe	37
PID 2832 wrote to memory of 2708	2832	svchost.exe	38
PID 2832 wrote to memory of 2708	2832	svchost.exe	38
PID 2832 wrote to memory of 2708	2832	svchost.exe	38
PID 2832 wrote to memory of 2708	2832	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
"C:\Users\Admin\AppData\Local\Temp\ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:844
- 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:2968
- - 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:2580
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2756
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2588
- C:\Users\Admin\AppData\Local\Temp\HD_ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe
  2⤵
  - Executes dropped EXE
  PID:2448

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2764
- 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:2920

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2800

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259396309.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.2MB

MD5
bf9567f29e4862fc77db682965fe96dc

SHA1
9690cd70fc3f771a763af7acc68afe3baeafe536

SHA256
b0cbd3bd2ffbc4870f61f06be6c991cecf0a19442519f6f65f56970d870039eb

SHA512
053f429d8713675257b910e835caa4cc9fcf898c25586a7de505b123cdd7b60721737c95bda03bf9edb661218829cd5e1952805fe05c8ed65614d336eadf30c4

Download Submit
\Users\Admin\AppData\Local\Temp\HD_ed44128ab81ef9b0c0509041ce903c908a79be1d420847b9925c46e10494eca5.exe

Filesize
2.2MB

MD5
cd55a17685b496570a9ba3374730a9c5

SHA1
3127c701297667727854b508a99c71a77fb1f0ea

SHA256
6a11cca02e22b01b077775b9819cb220d3747c0f6d2b0b85b13265d0cd3ab730

SHA512
19cee89ec5256a386c36c6b3b02f91e8acbf19a778427e5ead10614e73d1dc5e9ed64b1b3b5ad5b461828dea77ba69a5d6b6c8a2363b727ad04f0215da55d894

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259396309.txt

Filesize
50KB

MD5
f1a7f8d5a1d56ec81e117e246975b0bd

SHA1
0f3ab62488f7e218d99e84e0357d4e2497e3a17a

SHA256
2ac9c9577c1580ef895de5fff21ba855b6cceb5c552506b638b2248fe9dddc45

SHA512
d35de2d89cf42c4c873c1f05437d4d91429861fd3dcaea327ffff8af2e63fb6fa7ace1d4f5f9d6a30e30d634a3d0cf3ffc505927f1f14b1467751d19550ebba7

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/844-98-0x0000000002A10000-0x0000000002C42000-memory.dmp

Filesize
2.2MB

Download
memory/844-50-0x0000000002A10000-0x0000000002C42000-memory.dmp

Filesize
2.2MB

Download
memory/2448-52-0x0000000000400000-0x0000000000632000-memory.dmp

Filesize
2.2MB

Download
memory/2764-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2920-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2920-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2920-86-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2968-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2968-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2968-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2968-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download