gh0strat | a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 11:08

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General

Target
a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
Size 2.1MB
Sample240603-m8nlsacc71
SHA256 a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0
MD5 cecaf426adbd95ea44143ba00b5bfb7d
SHA1 55317a43b367cca39f612273ef308fb9944176cb
SHA512 dffa32840acf1e6fee17de269c7ef91311b93d1933422e476f5f002b57ce40fb35b9e9a7f08f906531de6d7a2676d564fd3fb7c7e5cce58d6c801dc498b99ba7
SSDEEP 49152:uQZAdVyVT9n/Gg0P+WhoGpeY5dyWRudqIqfovfK+ZPItx2apeapelI:/GdVyVT9nOgmhMY5dyWRudqIqf7PtUva
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3912-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3912-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3912-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4948-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4948-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4948-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4948-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2772-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2772-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2772-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2772-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/3912-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3912-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3912-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4948-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4948-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4948-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4948-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2772-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x00070000000233c1-31.dat	family_gh0strat
behavioral2/memory/2772-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2772-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2772-38-0x0000000010000000-0x00000000101B6000-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

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\\240599890.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
3912	svchost.exe
4948	TXPlatforn.exe
2772	TXPlatforn.exe
1392	svchos.exe
2960	HD_a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
3136	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
1392	svchos.exe
1296	svchost.exe
3136	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3912-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3912-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3912-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3912-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4948-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4948-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4948-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4948-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4948-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2772-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2772-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2772-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2772-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
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\240599890.txt	svchos.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
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

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
3792	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1112	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
1112	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2772	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3912	svchost.exe
Token: SeLoadDriverPrivilege	2772	TXPlatforn.exe
Token: 33	2772	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2772	TXPlatforn.exe
Token: 33	2772	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2772	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1112	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
1112	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 3912	1112	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	82
PID 1112 wrote to memory of 3912	1112	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	82
PID 1112 wrote to memory of 3912	1112	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	82
PID 3912 wrote to memory of 1200	3912	svchost.exe	84
PID 3912 wrote to memory of 1200	3912	svchost.exe	84
PID 3912 wrote to memory of 1200	3912	svchost.exe	84
PID 4948 wrote to memory of 2772	4948	TXPlatforn.exe	86
PID 4948 wrote to memory of 2772	4948	TXPlatforn.exe	86
PID 4948 wrote to memory of 2772	4948	TXPlatforn.exe	86
PID 1112 wrote to memory of 1392	1112	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	85
PID 1112 wrote to memory of 1392	1112	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	85
PID 1112 wrote to memory of 1392	1112	a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe	85
PID 1200 wrote to memory of 3792	1200	cmd.exe	88
PID 1200 wrote to memory of 3792	1200	cmd.exe	88
PID 1200 wrote to memory of 3792	1200	cmd.exe	88
PID 1296 wrote to memory of 3136	1296	svchost.exe	96
PID 1296 wrote to memory of 3136	1296	svchost.exe	96
PID 1296 wrote to memory of 3136	1296	svchost.exe	96

C:\Users\Admin\AppData\Local\Temp\a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
"C:\Users\Admin\AppData\Local\Temp\a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112
- 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:3912
- - 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:1200
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3792
- 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:1392
- C:\Users\Admin\AppData\Local\Temp\HD_a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
  C:\Users\Admin\AppData\Local\Temp\HD_a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
  2⤵
  - Executes dropped EXE
  PID:2960

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4948
- 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:2772

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:5084

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:1296
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240599890.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3136

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

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Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.4MB
SHA256 af7d313b323ec19ede7cd1c8e26404513ceda6490473f2db83d8b517f6f02461
MD5 bef65a543985dbbdb7fa695669a33f3e
SHA1 fac45753f15a26fe246956bdd450cf821db82b0f
SHA512 a03d92f3182ec6bb55d161a63b7f260297df0fa4cb356a3fb5d6e688d5e9f678ca931e3388e41dc6538eb0a810ce778e552563197bed19b6151fa0e81e84fa72
SSDEEP 24576:uQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVEwpe6d5dyWRudqIqfaVN5mmTS:uQZAdVyVT9n/Gg0P+WhoGpeY5dyWRud6
MD5 SHA1 SHA512 SSDEEP

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HD_a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_a13e52f9f4dc48c6fcf10dc330ec5252e6df6294ed0854aa3641b5b145e883b0.exe
Size 645KB
SHA256 7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7
MD5 00eae789b0aab1b0fbd23b830fbf1064
SHA1 e4e5fd089f6ae17c83f073cf91edc9db8189980d
SHA512 23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb
SSDEEP 12288:HNpZY93s7p1R0Ys/tx2tzwHJem7OzwHJe0Ihf7M:HNpZY67zRfItx2hwpemIwpelDM
MD5 SHA1 SHA512 SSDEEP

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svchos.exe

Path C:\Users\Admin\AppData\Local\Temp\svchos.exe
Size 93KB
SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
MD5 3b377ad877a942ec9f60ea285f7119a2
SHA1 60b23987b20d913982f723ab375eef50fafa6c70
SHA512 af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f
SSDEEP 1536:ktbE7m8nNEQ2O6ReWMWfPbp2WTrW9L3JPPgJ+o5FJYHvh/P6:Bm+2LReWjTrW9rNPgYoTJYHvh
MD5 SHA1 SHA512 SSDEEP

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svchost.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
Size 377KB
SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
MD5 a4329177954d4104005bce3020e5ef59
SHA1 23c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA512 81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YgL7:HclcceBKlKwAg0Mja/UafOVwbhF
MD5 SHA1 SHA512 SSDEEP

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240599890.txt

Path C:\Windows\SysWOW64\240599890.txt
Size 50KB
SHA256 3707fcfe12a47cc05622e03f00242755dead7145ea27fbe5bb51cccb1493584a
MD5 9715438ee2c395288962e6aa1ed36103
SHA1 d3da236e4e3ba13e434acf566811d99266732309
SHA512 269396c464c8c92325b97e96ece27bece70192c976d593c224fbf1b4a7b5b5ae257382dce69a3b06e04adf824e24130b6c33641a0c2692f41511e3e0b12ea47a
SSDEEP 1536:WD1N4TeeWMWfPbp2WTrW9L3JPPgJ+o5QJYH:W5ReWjTrW9rNPgYouJYH
MD5 SHA1 SHA512 SSDEEP

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Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Path C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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memory/2772-38-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2772-36-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2772-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2772-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3912-6-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3912-10-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3912-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3912-4-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4948-25-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4948-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4948-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4948-15-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4948-13-0x0000000010000000-0x00000000101B6000-memory.dmp

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