gh0strat | e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6

General

Target

e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe
Size

2.5MB
MD5

1fe8540ce0db398a195e5fd2d6542607
SHA1

1c1102e58a3bc34140f8b7f0298b5c941bafef8a
SHA256

e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6
SHA512

e67f7de632a9d1a5fac4b6a3cdde415e6343d2b2198bbacd3e0f05277875d7fdd736324f41c567a7f35385caf645722d5f090c0d591824cc694e3cd0909a9a89
SSDEEP

24576:DCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHK:DCwsbCANnKXferL7Vwe/Gg0P+WhBT

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/5032-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5032-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4520-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4520-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4520-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5032-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4880-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4520-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4880-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4880-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023637-5.dat	family_gh0strat
behavioral2/memory/5032-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5032-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4520-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4520-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4520-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5032-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4880-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4520-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4880-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4880-48-0x0000000010000000-0x00000000101B6000-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	TXPlatfor.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"	TXPlatfor.exe

Executes dropped EXE 4 IoCs

pid	Process
2856	R.exe
5032	N.exe
4520	TXPlatfor.exe
4880	TXPlatfor.exe

Loads dropped DLL 1 IoCs

pid	Process
2856	R.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240668968.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5032-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5032-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4520-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4520-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4520-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4520-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5032-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5032-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4880-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4520-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4880-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4880-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3664	2856	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4876	cmd.exe
836	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
836	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4880	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5032	N.exe
Token: SeLoadDriverPrivilege	4880	TXPlatfor.exe
Token: 33	4880	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4880	TXPlatfor.exe
Token: 33	4880	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4880	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
436	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe
436	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 2856	436	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	89
PID 436 wrote to memory of 2856	436	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	89
PID 436 wrote to memory of 2856	436	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	89
PID 436 wrote to memory of 5032	436	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	93
PID 436 wrote to memory of 5032	436	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	93
PID 436 wrote to memory of 5032	436	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	93
PID 5032 wrote to memory of 4876	5032	N.exe	95
PID 5032 wrote to memory of 4876	5032	N.exe	95
PID 5032 wrote to memory of 4876	5032	N.exe	95
PID 4520 wrote to memory of 4880	4520	TXPlatfor.exe	96
PID 4520 wrote to memory of 4880	4520	TXPlatfor.exe	96
PID 4520 wrote to memory of 4880	4520	TXPlatfor.exe	96
PID 4876 wrote to memory of 836	4876	cmd.exe	98
PID 4876 wrote to memory of 836	4876	cmd.exe	98
PID 4876 wrote to memory of 836	4876	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe
"C:\Users\Admin\AppData\Local\Temp\e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:436
- 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
  - System Location Discovery: System Language Discovery
  PID:2856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 456
    3⤵
    - Program crash
    PID:3664
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5032
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4876
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2856 -ip 2856
1⤵
PID:3416

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4520
- 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:4880

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=4400,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4440 /prefetch:8
1⤵
PID:2152

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

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
1fe8540ce0db398a195e5fd2d6542607

SHA1
1c1102e58a3bc34140f8b7f0298b5c941bafef8a

SHA256
e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6

SHA512
e67f7de632a9d1a5fac4b6a3cdde415e6343d2b2198bbacd3e0f05277875d7fdd736324f41c567a7f35385caf645722d5f090c0d591824cc694e3cd0909a9a89

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\RCXF1FE.tmp

Filesize
2.5MB

MD5
c271fd8dc900ac86198b802492ec4093

SHA1
55a70a9adab22775dab73dac4228d5ac4f0e700b

SHA256
88c8e41df1ae83921d7f5aa5a7eef28b36697be9947507420c86cd742f3f833a

SHA512
939170d70c0c8781db93d0f5e00369288a43b39c860d4c0d7372b2db539883b30329673fb0e5e230629960f70e6bb0861132d12a6670a00044eda8debff0dbca

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\240668968.txt

Filesize
899KB

MD5
07bd9ac0e2778e6cfdf02d05c3bceb34

SHA1
6f515939e6aac49d36014b9b5dba6aef6cc91314

SHA256
0bd8dc29a7c2230ca011872e6b18c73b83f7f00f936490c47909782f3dca5249

SHA512
04b095fd6fc63463bee32adf3aa380a96a370fc754f016b2651f0db3b1c3629204d38a025cbd8d9f4c7358e52fe742b634951c15373a30ddab06bb37f6f80777

Download Submit
memory/4520-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4520-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4520-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4520-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4520-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4880-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4880-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4880-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5032-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5032-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5032-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5032-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads