gh0strat | 3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a

General

Target

3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe
Size

2.6MB
MD5

4faabe4f4ebdc2fa14cafe19ad3ba313
SHA1

59a7d28a9522fdaaf8ef3553329992f240f34484
SHA256

3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a
SHA512

260146f083ec6412ba5e0e88cdecc540cbbe942fb80803be69d1cdaa7c5934a8ecfc329dae3d44873967b6bc90692023c61181308bbdec7334e9583c0ea3694a
SSDEEP

49152:iCwsbCANnKXferL7Vwe/Gg0P+WhXSG0yV:lws2ANnKXOaeOgmhXL0yV

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/3180-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3180-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3180-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2212-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2212-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2212-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2212-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3100-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3100-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3100-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240642062.txt	family_gh0strat
behavioral2/memory/3180-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3180-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3180-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2212-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2212-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2212-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2212-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3100-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3100-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3100-38-0x0000000010000000-0x00000000101B6000-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:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

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

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

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

Executes dropped EXE 4 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exe

pid process

5068 R.exe
3180 N.exe
2212 TXPlatfor.exe
3100 TXPlatfor.exe
Loads dropped DLL 1 IoCs

Processes:

R.exe

pid process

5068 R.exe

pid	process
5068	R.exe
3180	N.exe
2212	TXPlatfor.exe
3100	TXPlatfor.exe

pid	process
5068	R.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3180-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3180-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3180-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3180-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2212-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2212-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2212-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2212-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2212-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3100-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3100-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3100-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

Processes:

R.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240642062.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2236 5068 WerFault.exe R.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2772 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3100 TXPlatfor.exe

pid	pid_target	process	target process
2236	5068	WerFault.exe	R.exe

pid	process
2772	PING.EXE

pid	process
3100	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3180	N.exe
Token: SeLoadDriverPrivilege	3100	TXPlatfor.exe
Token: 33	3100	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3100	TXPlatfor.exe
Token: 33	3100	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3100	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe

pid	process
2012	3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe
2012	3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exeTXPlatfor.exeN.execmd.exe

description	pid	process	target process
PID 2012 wrote to memory of 5068	2012	3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe	R.exe
PID 2012 wrote to memory of 5068	2012	3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe	R.exe
PID 2012 wrote to memory of 5068	2012	3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe	R.exe
PID 2012 wrote to memory of 3180	2012	3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe	N.exe
PID 2012 wrote to memory of 3180	2012	3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe	N.exe
PID 2012 wrote to memory of 3180	2012	3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe	N.exe
PID 2212 wrote to memory of 3100	2212	TXPlatfor.exe	TXPlatfor.exe
PID 2212 wrote to memory of 3100	2212	TXPlatfor.exe	TXPlatfor.exe
PID 2212 wrote to memory of 3100	2212	TXPlatfor.exe	TXPlatfor.exe
PID 3180 wrote to memory of 3128	3180	N.exe	cmd.exe
PID 3180 wrote to memory of 3128	3180	N.exe	cmd.exe
PID 3180 wrote to memory of 3128	3180	N.exe	cmd.exe
PID 3128 wrote to memory of 2772	3128	cmd.exe	PING.EXE
PID 3128 wrote to memory of 2772	3128	cmd.exe	PING.EXE
PID 3128 wrote to memory of 2772	3128	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe
"C:\Users\Admin\AppData\Local\Temp\3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2012

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:5068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 464
3⤵
- Program crash
PID:2236

C:\Users\Admin\AppData\Local\Temp\N.exe
C:\Users\Admin\AppData\Local\Temp\\N.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3180

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\N.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:3128

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5068 -ip 5068
1⤵
PID:404

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2212

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.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:3100

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 --no-appcompat-clear --field-trial-handle=3940,i,15142778360084620907,1763097090506261076,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8
1⤵
PID:748

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.6MB

MD5
4faabe4f4ebdc2fa14cafe19ad3ba313

SHA1
59a7d28a9522fdaaf8ef3553329992f240f34484

SHA256
3b181d1faf1ef0094244c5671c5df2d8ec204edc9a68df8d8d7768e5abd0376a

SHA512
260146f083ec6412ba5e0e88cdecc540cbbe942fb80803be69d1cdaa7c5934a8ecfc329dae3d44873967b6bc90692023c61181308bbdec7334e9583c0ea3694a

Download Submit
C:\Users\Admin\AppData\Local\Temp\N.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe
Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240642062.txt
Filesize
899KB

MD5
b9e6848cd3402c379d12abc692ee2317

SHA1
c5dbe7abb499bec6b576b6669884debc3f90c5e3

SHA256
f0d6038505699b955fd5e94d470d6b177cebb923d2648466aeeda06c3e4d311d

SHA512
4a2e4fef7ee6e8b7f4a1eaa16980a51a9af01e8fb373783fe4cd2320976dc4b6e4d0ccffeb1b510701b19cc77d87e8576230f00676b186c7aef57ffaec5c7950

Download Submit
memory/2212-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2212-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2212-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2212-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2212-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3100-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3100-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3100-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3180-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3180-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3180-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3180-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads