gh0strat | 27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 04:29

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General

Target

27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe
Size

1.2MB
MD5

2f1901376ce2a4d1254629094c478d1d
SHA1

eb791b20f2c46986b4204be76cd67433bbaf09e6
SHA256

27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e
SHA512

4c672fd31c4daab42aeb1a4d6259bb6cfffc7f14dad34e648c4929895fc68c2738d819ab6cfc2c773675646b290ffc5e4fb36aff98251612ef054cb91a4b535c
SSDEEP

24576:RQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVbw+7k:RQZAdVyVT9n/Gg0P+WhoMw+7k

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2204-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2204-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2204-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2864-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2864-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2972-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2972-60-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2972-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2204-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2204-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2204-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2864-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
\Windows\SysWOW64\259396652.txt	family_gh0strat
behavioral1/memory/2864-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2972-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2972-60-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2972-73-0x0000000010000000-0x00000000101B6000-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
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 4 IoCs

Processes:

svchost.exeTXPlatforn.exesvchos.exeTXPlatforn.exe

pid process

2204 svchost.exe
2864 TXPlatforn.exe
2772 svchos.exe
2972 TXPlatforn.exe
Loads dropped DLL 4 IoCs

Processes:

27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exeTXPlatforn.exesvchos.exe

pid process

1812 27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe
1812 27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe
2864 TXPlatforn.exe
2772 svchos.exe

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

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

pid	process
2204	svchost.exe
2864	TXPlatforn.exe
2772	svchos.exe
2972	TXPlatforn.exe

pid	process
1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe
1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe
2864	TXPlatforn.exe
2772	svchos.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2204-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2204-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2204-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2204-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2864-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2864-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2972-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2972-60-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2972-73-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

Processes:

svchost.exesvchos.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259396652.txt	svchos.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

Drops file in Program Files directory 4 IoCs

Processes:

27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.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

2796 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2972 TXPlatforn.exe

pid	process
2796	PING.EXE

pid	process
2972	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2204	svchost.exe
Token: SeLoadDriverPrivilege	2972	TXPlatforn.exe
Token: 33	2972	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2972	TXPlatforn.exe
Token: 33	2972	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2972	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe

pid process

1812 27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe
1812 27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe

pid	process
1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe
1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exesvchost.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1812 wrote to memory of 2204	1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe	svchost.exe
PID 1812 wrote to memory of 2204	1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe	svchost.exe
PID 1812 wrote to memory of 2204	1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe	svchost.exe
PID 1812 wrote to memory of 2204	1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe	svchost.exe
PID 1812 wrote to memory of 2204	1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe	svchost.exe
PID 1812 wrote to memory of 2204	1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe	svchost.exe
PID 1812 wrote to memory of 2204	1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe	svchost.exe
PID 2204 wrote to memory of 2756	2204	svchost.exe	cmd.exe
PID 2204 wrote to memory of 2756	2204	svchost.exe	cmd.exe
PID 2204 wrote to memory of 2756	2204	svchost.exe	cmd.exe
PID 2204 wrote to memory of 2756	2204	svchost.exe	cmd.exe
PID 1812 wrote to memory of 2772	1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe	svchos.exe
PID 1812 wrote to memory of 2772	1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe	svchos.exe
PID 1812 wrote to memory of 2772	1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe	svchos.exe
PID 1812 wrote to memory of 2772	1812	27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe	svchos.exe
PID 2864 wrote to memory of 2972	2864	TXPlatforn.exe	TXPlatforn.exe
PID 2864 wrote to memory of 2972	2864	TXPlatforn.exe	TXPlatforn.exe
PID 2864 wrote to memory of 2972	2864	TXPlatforn.exe	TXPlatforn.exe
PID 2864 wrote to memory of 2972	2864	TXPlatforn.exe	TXPlatforn.exe
PID 2864 wrote to memory of 2972	2864	TXPlatforn.exe	TXPlatforn.exe
PID 2864 wrote to memory of 2972	2864	TXPlatforn.exe	TXPlatforn.exe
PID 2864 wrote to memory of 2972	2864	TXPlatforn.exe	TXPlatforn.exe
PID 2756 wrote to memory of 2796	2756	cmd.exe	PING.EXE
PID 2756 wrote to memory of 2796	2756	cmd.exe	PING.EXE
PID 2756 wrote to memory of 2796	2756	cmd.exe	PING.EXE
PID 2756 wrote to memory of 2796	2756	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe
"C:\Users\Admin\AppData\Local\Temp\27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1812

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:2204

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:2756

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2796

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:2772

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2864

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:2972

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.2MB

MD5
2f1901376ce2a4d1254629094c478d1d

SHA1
eb791b20f2c46986b4204be76cd67433bbaf09e6

SHA256
27ab79aa5bbdc58b5451e41ce48165d3281d19dd151d89114f67210821c72b2e

SHA512
4c672fd31c4daab42aeb1a4d6259bb6cfffc7f14dad34e648c4929895fc68c2738d819ab6cfc2c773675646b290ffc5e4fb36aff98251612ef054cb91a4b535c

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\259396652.txt
Filesize
50KB

MD5
9890f6b6420afe534348a7869b7903ee

SHA1
801ce7f520da711ce5e068726b4a441f5d912c74

SHA256
402d250f64dbfe375cb135ae23778ee149df22ac6c241444cdf21d8861ad243e

SHA512
0d92cae10be8db08be1350f416006b38e13bcb4d9e184fa999025e5a5f474e39d70d85a3d19fa30ec2d25c3465c5259fe440ed976799bc6b57501d5d4eae850f

Download Submit
memory/2204-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2204-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2204-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2204-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2864-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2864-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2972-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2972-60-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2972-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download