gh0strat | 7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a

General

Target

7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe
Size

1.6MB
MD5

251a802e8bb13e39fe89ac035ed6fefd
SHA1

f429ee4243604981679ee4cba673773f2060ef23
SHA256

7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a
SHA512

fb520d84b406bdf877e68fd9de6da9484c0f58bf5344045113099ac19d444b45f0c898ff4a6f7b93ad2784aba2400023f9242c4ed5edcf03b56d4b03e07ff838
SSDEEP

49152:2QZAdVyVT9n/Gg0P+WhowluvT5dyWRudqIqfovfK9:3GdVyVT9nOgmhrluL5dyWRudqIqf79

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/3360-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3360-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3360-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3660-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3660-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4172-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4172-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4172-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3660-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4172-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3660-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/3360-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3360-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3360-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3660-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3660-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x00070000000235f6-26.dat	family_gh0strat
behavioral2/memory/4172-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4172-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4172-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3660-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4172-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3660-18-0x0000000010000000-0x00000000101B6000-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 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 4 IoCs

pid	Process
3360	svchost.exe
3660	TXPlatforn.exe
396	svchos.exe
4172	TXPlatforn.exe

Loads dropped DLL 1 IoCs

pid	Process
396	svchos.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3360-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3360-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3360-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3360-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3660-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3660-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4172-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4172-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4172-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3660-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4172-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3660-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3660-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 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\240660171.txt	svchos.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1372	396	WerFault.exe	93
1144	396	WerFault.exe	93

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1964	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4172	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3360	svchost.exe
Token: SeLoadDriverPrivilege	4172	TXPlatforn.exe
Token: 33	4172	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4172	TXPlatforn.exe
Token: 33	4172	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4172	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
184	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe
184	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 184 wrote to memory of 3360	184	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe	89
PID 184 wrote to memory of 3360	184	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe	89
PID 184 wrote to memory of 3360	184	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe	89
PID 3360 wrote to memory of 3136	3360	svchost.exe	92
PID 3360 wrote to memory of 3136	3360	svchost.exe	92
PID 3360 wrote to memory of 3136	3360	svchost.exe	92
PID 184 wrote to memory of 396	184	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe	93
PID 184 wrote to memory of 396	184	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe	93
PID 184 wrote to memory of 396	184	7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe	93
PID 3660 wrote to memory of 4172	3660	TXPlatforn.exe	94
PID 3660 wrote to memory of 4172	3660	TXPlatforn.exe	94
PID 3660 wrote to memory of 4172	3660	TXPlatforn.exe	94
PID 3136 wrote to memory of 1964	3136	cmd.exe	99
PID 3136 wrote to memory of 1964	3136	cmd.exe	99
PID 3136 wrote to memory of 1964	3136	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe
"C:\Users\Admin\AppData\Local\Temp\7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:184
- 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:3360
- - 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:3136
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1964
- 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:396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 444
    3⤵
    - Program crash
    PID:1372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 448
    3⤵
    - Program crash
    PID:1144

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3660
- 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:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 396 -ip 396
1⤵
PID:1816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 396 -ip 396
1⤵
PID:4388

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1428,i,3027467512973953085,11878940668304988630,262144 --variations-seed-version --mojo-platform-channel-handle=4376 /prefetch:8
1⤵
PID:4424

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
1.6MB

MD5
251a802e8bb13e39fe89ac035ed6fefd

SHA1
f429ee4243604981679ee4cba673773f2060ef23

SHA256
7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a

SHA512
fb520d84b406bdf877e68fd9de6da9484c0f58bf5344045113099ac19d444b45f0c898ff4a6f7b93ad2784aba2400023f9242c4ed5edcf03b56d4b03e07ff838

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCXD235.tmp

Filesize
1.4MB

MD5
5a998ebd0a8173cbe38781fdbcaa8ee6

SHA1
6f305475942e73f1b353b1c7d8d19106403c1459

SHA256
f96e965fdae81e4950af31c62f5b8227d4c348cc7f5a3fc819be948befa53c8a

SHA512
3728b5f49f905f5881ca6e5060d608af6a58c0edc8eb952af234db656ad21c25b4a2635ce1ffec528989d612b21816fa9cc77dc321d7de619e6c091cfff861a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico

Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

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\240660171.txt

Filesize
50KB

MD5
c223a9ba736fe7ab2e296f62cb07084d

SHA1
671d7936d2d5d71d1edcc80674e3925d5642b16d

SHA256
4f3ebf8884b310bf7e178f6d0f97a984f2ca2f04b247fe049c5332232105bfdd

SHA512
0f8ce1db0caefca72f7ceb5e524bde4939a26cc489252254326eda4ca3ea31e211afd432970ca28edd08e48a329fb0f93a1f55766aee10ae5ace1f17837abeb2

Download Submit
memory/3360-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3360-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3360-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3360-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3660-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3660-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3660-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3660-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3660-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4172-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4172-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4172-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4172-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads