gh0strat | 2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d

General

Target

2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe
Size

2.4MB
MD5

bfe291adb5182dc9227d528c2caee612
SHA1

e07734aaf1f5a44aad0ec2d5700ef8c4329ecc60
SHA256

2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d
SHA512

55c59347222ae1ebadcd6a246cb0171f6b60bd5185cca51ca730a9cf43ac2ca885fb0229de5f9da5b7b4e347af6a3f22c0510b6fc781f5a71a5ef074030428bc
SSDEEP

24576:ZCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH1:ZCwsbCANnKXferL7Vwe/Gg0P+Wh6

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/412-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/412-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/412-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4436-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4436-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4436-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4436-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/332-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/332-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/332-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240661671.txt	family_gh0strat
behavioral2/memory/412-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/412-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/412-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4436-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4436-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4436-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4436-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/332-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/332-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/332-43-0x0000000010000000-0x00000000101B6000-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 DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240661671.txt"	R.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.exeRemote Data.exe

pid process

4864 R.exe
412 N.exe
4436 TXPlatfor.exe
332 TXPlatfor.exe
4268 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

4864 R.exe
1308 svchost.exe
4268 Remote Data.exe

pid	process
4864	R.exe
412	N.exe
4436	TXPlatfor.exe
332	TXPlatfor.exe
4268	Remote Data.exe

pid	process
4864	R.exe
1308	svchost.exe
4268	Remote Data.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/412-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/412-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/412-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/412-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4436-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4436-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4436-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4436-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4436-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/332-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/332-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/332-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\240661671.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:

2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.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

4492 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

332 TXPlatfor.exe

pid	process
4492	PING.EXE

pid	process
332	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	412	N.exe
Token: SeLoadDriverPrivilege	332	TXPlatfor.exe
Token: 33	332	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	332	TXPlatfor.exe
Token: 33	332	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	332	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe

pid	process
4544	2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe
4544	2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 4544 wrote to memory of 4864	4544	2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe	R.exe
PID 4544 wrote to memory of 4864	4544	2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe	R.exe
PID 4544 wrote to memory of 4864	4544	2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe	R.exe
PID 4544 wrote to memory of 412	4544	2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe	N.exe
PID 4544 wrote to memory of 412	4544	2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe	N.exe
PID 4544 wrote to memory of 412	4544	2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe	N.exe
PID 412 wrote to memory of 2108	412	N.exe	cmd.exe
PID 412 wrote to memory of 2108	412	N.exe	cmd.exe
PID 412 wrote to memory of 2108	412	N.exe	cmd.exe
PID 4436 wrote to memory of 332	4436	TXPlatfor.exe	TXPlatfor.exe
PID 4436 wrote to memory of 332	4436	TXPlatfor.exe	TXPlatfor.exe
PID 4436 wrote to memory of 332	4436	TXPlatfor.exe	TXPlatfor.exe
PID 2108 wrote to memory of 4492	2108	cmd.exe	PING.EXE
PID 2108 wrote to memory of 4492	2108	cmd.exe	PING.EXE
PID 2108 wrote to memory of 4492	2108	cmd.exe	PING.EXE
PID 1308 wrote to memory of 4268	1308	svchost.exe	Remote Data.exe
PID 1308 wrote to memory of 4268	1308	svchost.exe	Remote Data.exe
PID 1308 wrote to memory of 4268	1308	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe
"C:\Users\Admin\AppData\Local\Temp\2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4544

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:4864

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:412

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:2108

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:4492

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2204

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4436

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:332

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240661671.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4268

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 --mojo-platform-channel-handle=3756 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:4960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

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
2.4MB

MD5
bfe291adb5182dc9227d528c2caee612

SHA1
e07734aaf1f5a44aad0ec2d5700ef8c4329ecc60

SHA256
2e77e705f1b854959dd17013b412fbac1d8a1cf2648cc5d667791bc4be0ded3d

SHA512
55c59347222ae1ebadcd6a246cb0171f6b60bd5185cca51ca730a9cf43ac2ca885fb0229de5f9da5b7b4e347af6a3f22c0510b6fc781f5a71a5ef074030428bc

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\RCXE2BC.tmp

Filesize
2.4MB

MD5
ddf0b2aa5bec5a5412b285af86d6a011

SHA1
85a6907dc2dbeb5d15e4013ae4094294adf20945

SHA256
1cb5b30099b7148d38fce6956f5472639a5f05a0e4ec52b1fabd57edcf08a41f

SHA512
f42adc11caf5ddc08b750c9ea53462ae5e23c2414300f8050d08ff50a7783fc037ab2d007921eeb2ba1934c67f4ef644ccabad6eb3680f27acdbb6c5852e003b

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

Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

Download Submit
C:\Windows\SysWOW64\240661671.txt

Filesize
899KB

MD5
bc7384e25f7ff36bb3a222e586bfd5e3

SHA1
4dc4db36d678f273d1c65899718ca42bcbbb95dd

SHA256
3d6c1dfc677bfb0cb5344833b6d59010b6762cd75bf06b78011b9b7271ee772f

SHA512
1992af8dcc32d18e27fff3c186efe8d9b325c6ceb64837e48728defd66f50b90e434c05e80a7508af598835042ac9c1bf8b47655611edf979b587e8ad6d9cbcf

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/332-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/332-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/332-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/412-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/412-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/412-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/412-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4436-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4436-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4436-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4436-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4436-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads