gh0strat | 0291bb332dd31fbe011623c45cd95e9a89ce10792e3668dde192a9dba786f469

Analysis

max time kernel
151s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2023 16:48

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General

Target

f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
Size

5.9MB
MD5

f99b646fcbd27a10ecc60d8ca6321c40
SHA1

4f15d5235c91f3652572dd70a22232a92a0a4605
SHA256

0291bb332dd31fbe011623c45cd95e9a89ce10792e3668dde192a9dba786f469
SHA512

a0bb4502a35ec5cc2bdefc26fda559d3527828fd2b702feb9ec16a2eb4400e2210ad672aef62a9d31536acf12be751e811a9f96b5373755befc3cd91b94e2881
SSDEEP

98304:Xws2ANnKXOaeOgmhUxBxlN/XnzXrmMjGrdojGBbxBxlwMMMMMMMMLMMMMMMMMMMR:hKXbeO7qxlN/XWMj3WxlbxltxlzAx

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/476-148-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/476-149-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4196-157-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4196-158-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/476-160-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4196-164-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/660-177-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/660-185-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/660-188-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240628500.txt	family_gh0strat
behavioral2/memory/476-148-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/476-149-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4196-157-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4196-158-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/476-160-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4196-164-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/660-177-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/660-185-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/660-188-0x0000000010000000-0x00000000101B6000-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 5 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe

pid process

1624 R.exe
476 N.exe
4196 TXPlatfor.exe
660 TXPlatfor.exe
504 HD_f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
Loads dropped DLL 1 IoCs

Processes:

R.exe

pid process

1624 R.exe

pid	process
1624	R.exe
476	N.exe
4196	TXPlatfor.exe
660	TXPlatfor.exe
504	HD_f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe

pid	process
1624	R.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/476-145-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/476-148-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/476-147-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/476-149-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4196-154-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4196-157-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4196-158-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4196-156-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/476-160-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4196-164-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/660-177-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/660-185-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/660-188-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

Processes:

R.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240628500.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

Processes:

f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3268 1624 WerFault.exe R.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3036 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe

pid process

1052 f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
1052 f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

660 TXPlatfor.exe

pid	pid_target	process	target process
3268	1624	WerFault.exe	R.exe

pid	process
3036	PING.EXE

pid	process
1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe

pid	process
660	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	476	N.exe
Token: SeLoadDriverPrivilege	660	TXPlatfor.exe
Token: 33	660	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	660	TXPlatfor.exe
Token: 33	660	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	660	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe

pid process

1052 f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
1052 f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe

pid	process
1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exeN.exeTXPlatfor.execmd.exe

description	pid	process	target process
PID 1052 wrote to memory of 1624	1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe	R.exe
PID 1052 wrote to memory of 1624	1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe	R.exe
PID 1052 wrote to memory of 1624	1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe	R.exe
PID 1052 wrote to memory of 476	1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe	N.exe
PID 1052 wrote to memory of 476	1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe	N.exe
PID 1052 wrote to memory of 476	1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe	N.exe
PID 476 wrote to memory of 3272	476	N.exe	cmd.exe
PID 476 wrote to memory of 3272	476	N.exe	cmd.exe
PID 476 wrote to memory of 3272	476	N.exe	cmd.exe
PID 4196 wrote to memory of 660	4196	TXPlatfor.exe	TXPlatfor.exe
PID 4196 wrote to memory of 660	4196	TXPlatfor.exe	TXPlatfor.exe
PID 4196 wrote to memory of 660	4196	TXPlatfor.exe	TXPlatfor.exe
PID 1052 wrote to memory of 504	1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe	HD_f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
PID 1052 wrote to memory of 504	1052	f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe	HD_f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
PID 3272 wrote to memory of 3036	3272	cmd.exe	PING.EXE
PID 3272 wrote to memory of 3036	3272	cmd.exe	PING.EXE
PID 3272 wrote to memory of 3036	3272	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
"C:\Users\Admin\AppData\Local\Temp\f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1052

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:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 448
3⤵
- Program crash
PID:3268

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:476

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:3272

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:3036

C:\Users\Admin\AppData\Local\Temp\HD_f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
C:\Users\Admin\AppData\Local\Temp\HD_f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
2⤵
- Executes dropped EXE
PID:504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1624 -ip 1624
1⤵
PID:5072

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4196

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:660

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

C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
2.5MB

MD5
806c6a3f954807adfa16e8f903f78b81

SHA1
3921aa522609be2d44875b680bc3d45f50926bbd

SHA256
ce4488a4f8651dbcd5ab3d0067403da52ce2c8f28c89b7afe5c9ff96a092af27

SHA512
f6a366e6b1208835855cb4990b2356c038d92a72b9265739cce1a667f224b392f506a1420de435b816e8dcb26331f416e3c3c1b34de5a2e2a4d48d4fbb4407e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
Filesize
3.4MB

MD5
a4ccd0e9ed2e2eac81f759fe02915ab6

SHA1
79d9fc227c4b8e6c62d0eea2409ff24b4a3af09a

SHA256
4bda2bee705616619e21b98e245b0332af82f871485e4e835e01d78922f9be35

SHA512
301debb265a2b4d70057c8ca7796b2698df546a9690d502b4f0d5b5e6471a529cf2dddb71362d0d7805e40d94f7880059cb66bf168f9d7e67edea579595f3864

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_f99b646fcbd27a10ecc60d8ca6321c40_icedid_JC.exe
Filesize
3.4MB

MD5
a4ccd0e9ed2e2eac81f759fe02915ab6

SHA1
79d9fc227c4b8e6c62d0eea2409ff24b4a3af09a

SHA256
4bda2bee705616619e21b98e245b0332af82f871485e4e835e01d78922f9be35

SHA512
301debb265a2b4d70057c8ca7796b2698df546a9690d502b4f0d5b5e6471a529cf2dddb71362d0d7805e40d94f7880059cb66bf168f9d7e67edea579595f3864

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

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240628500.txt
Filesize
899KB

MD5
43402694e48635a2cd387b6fdfb91b13

SHA1
0d45c709544334ce0fd7567f5add0fd48ea4b2f6

SHA256
841fad064229dab5784a5594ad9c665153744891f87b7ebfb4b828376b00a8f7

SHA512
ce4e46357383d66b53f69a3054f11dd96924a27f824532e03c0d62e712c206c2083992cc7f7d2082cc939f0e1e48245f5782266c7420b054e93f9b58a4176b3e

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Windows\SysWOW64\TXPlatfor.exe
Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
memory/476-148-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/476-160-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/476-149-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/476-147-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/476-145-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/660-177-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/660-185-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/660-188-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4196-157-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4196-158-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4196-156-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4196-154-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4196-164-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download