gh0strat | 82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332

General

Target

82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
Size

1.4MB
MD5

ac3539b11e0cf04d6fb7ea49f37eb902
SHA1

43c2c37f03ff189be09c121fcdf1518f14166d37
SHA256

82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332
SHA512

24cbefd883c63a02e6b3b1a2ff0c579de7cd0518ee1c25dc4d3aa040d5782e579e135e3ed018f01e5d17365b08bd76347e1f8dff68d1101c23dd436b790fd42f
SSDEEP

24576:ZQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVkBkJ:ZQZAdVyVT9n/Gg0P+WhozBW

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/2476-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2476-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2476-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3972-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3972-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2248-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3972-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3972-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2248-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2248-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2248-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2476-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2476-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2476-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3972-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3972-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2248-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3972-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3972-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2248-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
C:\Windows\SysWOW64\240601562.txt	family_gh0strat
behavioral2/memory/2248-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2248-38-0x0000000010000000-0x00000000101B6000-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
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.exeTXPlatforn.exesvchos.exeHD_82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

pid	process
2476	svchost.exe
3972	TXPlatforn.exe
2248	TXPlatforn.exe
3572	svchos.exe
2808	HD_82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

Loads dropped DLL 1 IoCs

Processes:

svchos.exe

pid process

3572 svchos.exe

pid	process
3572	svchos.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2476-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2476-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2476-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2476-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3972-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3972-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2248-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3972-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3972-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3972-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2248-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2248-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2248-38-0x0000000010000000-0x00000000101B6000-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\240601562.txt	svchos.exe

Drops file in Program Files directory 5 IoCs

Processes:

82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

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

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4992 3572 WerFault.exe svchos.exe
2052 3572 WerFault.exe svchos.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4168 PING.EXE

pid	pid_target	process	target process
4992	3572	WerFault.exe	svchos.exe
2052	3572	WerFault.exe	svchos.exe

pid	process
4168	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

pid	process
2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2248 TXPlatforn.exe

pid	process
2248	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2476	svchost.exe
Token: SeLoadDriverPrivilege	2248	TXPlatforn.exe
Token: 33	2248	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2248	TXPlatforn.exe
Token: 33	2248	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2248	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

pid	process
2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exesvchost.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2920 wrote to memory of 2476	2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe	svchost.exe
PID 2920 wrote to memory of 2476	2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe	svchost.exe
PID 2920 wrote to memory of 2476	2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe	svchost.exe
PID 2476 wrote to memory of 3488	2476	svchost.exe	cmd.exe
PID 2476 wrote to memory of 3488	2476	svchost.exe	cmd.exe
PID 2476 wrote to memory of 3488	2476	svchost.exe	cmd.exe
PID 3972 wrote to memory of 2248	3972	TXPlatforn.exe	TXPlatforn.exe
PID 3972 wrote to memory of 2248	3972	TXPlatforn.exe	TXPlatforn.exe
PID 3972 wrote to memory of 2248	3972	TXPlatforn.exe	TXPlatforn.exe
PID 2920 wrote to memory of 3572	2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe	svchos.exe
PID 2920 wrote to memory of 3572	2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe	svchos.exe
PID 2920 wrote to memory of 3572	2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe	svchos.exe
PID 3488 wrote to memory of 4168	3488	cmd.exe	PING.EXE
PID 3488 wrote to memory of 4168	3488	cmd.exe	PING.EXE
PID 3488 wrote to memory of 4168	3488	cmd.exe	PING.EXE
PID 2920 wrote to memory of 2808	2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe	HD_82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
PID 2920 wrote to memory of 2808	2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe	HD_82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
PID 2920 wrote to memory of 2808	2920	82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe	HD_82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

C:\Users\Admin\AppData\Local\Temp\82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
"C:\Users\Admin\AppData\Local\Temp\82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2920
- 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:2476
- - 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:3488
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4168
- 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:3572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 448
    3⤵
    - Program crash
    PID:4992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 472
    3⤵
    - Program crash
    PID:2052
- C:\Users\Admin\AppData\Local\Temp\HD_82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
  C:\Users\Admin\AppData\Local\Temp\HD_82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
  2⤵
  - Executes dropped EXE
  PID:2808

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3972
- 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:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3572 -ip 3572
1⤵
PID:2028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3572 -ip 3572
1⤵
PID:4576

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_82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

Filesize
157KB

MD5
b4aba4549ec64109971711a9c4b5f8a3

SHA1
d4678f5933d5e3f8fb9f46892bf59a02712d30c1

SHA256
50d38e75f52e5554230a6b38ff94378721ea8265ff997199fc392511ad952ccd

SHA512
21b170d8686f362833d4d834c4c27bcbf41358b050e9f5aca07103f3119ecdaea13666db6f6bfbea7203f5a64f8db9cf24385233f4cff8c9f99564815a1d936c

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

Filesize
1.2MB

MD5
25ed420ed8953892ea1a0ef107f7cc3b

SHA1
257151be24006f754e5c018aa47b50bb7d19a711

SHA256
c290f1353912ac69d1d39280fd528919018146d8e290e389e9f51d6bceba29dc

SHA512
cae125c49c42d1d80648c5e84640b386783d44bc2945f5827a810b990bdf0ec743977db52f84cb6df67b55f437e9d01e9e3ead685904ba2f8f48ec991a28b634

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\240601562.txt

Filesize
50KB

MD5
f5c76e8b36eb84bcf4a2da259767b7f7

SHA1
48fdd1340bc5e95d3fb742570bca6585c3af794e

SHA256
ba1bedbf5ac9e59c8588a15d5527322ae01ccd9fb566eed503664d9ef76c9312

SHA512
502368cca272e3ad61301d2974c7bbc879123ee0f8492dd79976b55f9c412b5adfed0cd0826b3a5dd5b02d172962b95f7ab9e8e0a2e3960a8a8037a8b97cc341

Download Submit
memory/2248-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2476-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2476-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2476-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2476-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3972-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3972-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3972-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3972-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3972-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads