gh0strat | 085a23948bde391636960e409bf67e32fccc9f742ce1054a021b818831adc58c

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25-08-2024 15:27

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General

Target

2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe
Size

3.3MB
MD5

575334c2fc5101caa159575f57c4887d
SHA1

6d9166061de1f3133cba3c538e86a43321411910
SHA256

085a23948bde391636960e409bf67e32fccc9f742ce1054a021b818831adc58c
SHA512

94008b4c72ed96f922011ab74df33696ff16473c333aef27ffe69849f98ae273bb6307307adeb0fb43938cc2fdfc6389bf2c0479c53a9915c336d76a09d21e97
SSDEEP

49152:ZCwsbCANnKXferL7Vwe/Gg0P+WhGd4jG3DsG7hw4vjN3K7:Uws2ANnKXOaeOgmhGCj2Dv9wmjdK7

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2720-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2572-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2572-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2572-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2572-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2572-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0008000000017520-6.dat	family_gh0strat
behavioral1/memory/2720-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2572-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2572-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2572-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2572-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2572-48-0x0000000010000000-0x00000000101B6000-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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259470862.txt"	R.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 6 IoCs

pid	Process
2760	R.exe
2720	N.exe
2580	TXPlatfor.exe
2572	TXPlatfor.exe
1872	HD_2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe
2956	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe
2760	R.exe
2712	svchost.exe
2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe
2580	TXPlatfor.exe
2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe
2712	svchost.exe
2956	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2720-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2572-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2572-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2572-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2572-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2572-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2572-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259470862.txt	R.exe
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\TXPlatfor.exe	N.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
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	Remote Data.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
1600	PING.EXE
2556	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1600	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2572	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2720	N.exe
Token: SeLoadDriverPrivilege	2572	TXPlatfor.exe
Token: 33	2572	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2572	TXPlatfor.exe
Token: 33	2572	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2572	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe
2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2760	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	30
PID 2028 wrote to memory of 2760	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	30
PID 2028 wrote to memory of 2760	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	30
PID 2028 wrote to memory of 2760	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	30
PID 2028 wrote to memory of 2720	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	33
PID 2028 wrote to memory of 2720	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	33
PID 2028 wrote to memory of 2720	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	33
PID 2028 wrote to memory of 2720	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	33
PID 2028 wrote to memory of 2720	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	33
PID 2028 wrote to memory of 2720	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	33
PID 2028 wrote to memory of 2720	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	33
PID 2720 wrote to memory of 2556	2720	N.exe	35
PID 2720 wrote to memory of 2556	2720	N.exe	35
PID 2720 wrote to memory of 2556	2720	N.exe	35
PID 2720 wrote to memory of 2556	2720	N.exe	35
PID 2580 wrote to memory of 2572	2580	TXPlatfor.exe	36
PID 2580 wrote to memory of 2572	2580	TXPlatfor.exe	36
PID 2580 wrote to memory of 2572	2580	TXPlatfor.exe	36
PID 2580 wrote to memory of 2572	2580	TXPlatfor.exe	36
PID 2580 wrote to memory of 2572	2580	TXPlatfor.exe	36
PID 2580 wrote to memory of 2572	2580	TXPlatfor.exe	36
PID 2580 wrote to memory of 2572	2580	TXPlatfor.exe	36
PID 2028 wrote to memory of 1872	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	38
PID 2028 wrote to memory of 1872	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	38
PID 2028 wrote to memory of 1872	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	38
PID 2028 wrote to memory of 1872	2028	2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe	38
PID 2556 wrote to memory of 1600	2556	cmd.exe	39
PID 2556 wrote to memory of 1600	2556	cmd.exe	39
PID 2556 wrote to memory of 1600	2556	cmd.exe	39
PID 2556 wrote to memory of 1600	2556	cmd.exe	39
PID 2712 wrote to memory of 2956	2712	svchost.exe	40
PID 2712 wrote to memory of 2956	2712	svchost.exe	40
PID 2712 wrote to memory of 2956	2712	svchost.exe	40
PID 2712 wrote to memory of 2956	2712	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2760
- 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:2720
- - 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:2556
  - - 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:1600
- C:\Users\Admin\AppData\Local\Temp\HD_2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe
  C:\Users\Admin\AppData\Local\Temp\HD_2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe
  2⤵
  - Executes dropped EXE
  PID:1872

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2824

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259470862.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2956

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- 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:2572

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

Server Software Component

T1505

Terminal Services DLL

T1505.005

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 Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

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
2.7MB

MD5
32302beeb31c797f6969bd56bd8d5c57

SHA1
6ffccd3fcaf20faf9f845dde6f7013044f44faef

SHA256
7739d8c36e21bf41715ee5613549108687bdcae9b54875553dbbf7a6b8525bd0

SHA512
d157fa685c68e4839330ada0f1bdbce44a7b58dc43310df97cea5b9a51ea24dc847e67c15a450c4183b29ef19041de0f9cae8ab6df4eb833ca99e90800cc1893

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\HD_2024-08-25_575334c2fc5101caa159575f57c4887d_hijackloader_icedid.exe

Filesize
609KB

MD5
f6522dcb405dfe80d7b764fbe7a78b45

SHA1
ecb622b98483bf4667a99c88906eee2777305d6e

SHA256
d137d2f12848e1601933ee0791869c93e8c80761674faab5242b23b182efed20

SHA512
4d7bfccb4b222385a55664238ae912c8ba164de023959b2859068b7337d04a42174a19d1b6f057c3200a87914334c6593a302f61f43d5b7552daad5b1c390eab

Download Submit
\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259470862.txt

Filesize
899KB

MD5
bb36d29737b34556f6ca9c9c113b1e4f

SHA1
e9d84c7c28bcef471735fff951b3e089e3885287

SHA256
6318c1885e74810e61672c10dd6d233f3daa939a1ebacea28207f99c9cd6f863

SHA512
65b6b45fa4acd1ffd400fe1cab7206609560f7cb58af1f30d7b1aa70e42490efa19dfd1a1ef168ce419cbfc23cdfbd98d14a0f3908a8753e5949c792ff2bad6d

Download Submit
memory/2572-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2572-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2572-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2572-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2572-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2572-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download