gh0strat | e9900647e98da310688677149235f30e72bf8b922db0ccc039a8a65442751a99

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2024, 12:30

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General

Target
2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe
Size 4.6MB
Sample241011-ppwt6ascnh
SHA256 e9900647e98da310688677149235f30e72bf8b922db0ccc039a8a65442751a99
MD5 f514fab55be6ac6df427209f47d7bd98
SHA1 fc61f5ae86884b55ae2f8199d6058a72ffea2431
SHA512 d3d690742e74598ea8e59db173626372b7f472cabd150216c0048a4192eebabe19c92c331f8b8b00035730266aa89f093cd395cef2b76b8ebc70bacb26b3dd09
SSDEEP 49152:LCwsbCANnKXferL7Vwe/Gg0P+WhBfr/Zm4GjbIv0nCgLbHFkmHXpFSHkxs6MIIDG:Ows2ANnKXOaeOgmhgpaDdlO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3400-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3400-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3400-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4404-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4404-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2516-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2516-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2516-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023c80-5.dat	family_gh0strat
behavioral2/memory/3400-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3400-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3400-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4404-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4404-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2516-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2516-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2516-45-0x0000000010000000-0x00000000101B6000-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\\240615640.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
4684	R.exe
3400	N.exe
4404	TXPlatfor.exe
3944	HD_2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe
2516	TXPlatfor.exe
3244	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4684	R.exe
1116	svchost.exe
3244	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240615640.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

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3400-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3400-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3400-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3400-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4404-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4404-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4404-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2516-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2516-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2516-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.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
1436	PING.EXE
2664	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1436	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe
4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2516	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3400	N.exe
Token: SeLoadDriverPrivilege	2516	TXPlatfor.exe
Token: 33	2516	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2516	TXPlatfor.exe
Token: 33	2516	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2516	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe
4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 4684	4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe	84
PID 4836 wrote to memory of 4684	4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe	84
PID 4836 wrote to memory of 4684	4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe	84
PID 4836 wrote to memory of 3400	4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe	88
PID 4836 wrote to memory of 3400	4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe	88
PID 4836 wrote to memory of 3400	4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe	88
PID 3400 wrote to memory of 2664	3400	N.exe	91
PID 3400 wrote to memory of 2664	3400	N.exe	91
PID 3400 wrote to memory of 2664	3400	N.exe	91
PID 4836 wrote to memory of 3944	4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe	92
PID 4836 wrote to memory of 3944	4836	2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe	92
PID 4404 wrote to memory of 2516	4404	TXPlatfor.exe	93
PID 4404 wrote to memory of 2516	4404	TXPlatfor.exe	93
PID 4404 wrote to memory of 2516	4404	TXPlatfor.exe	93
PID 2664 wrote to memory of 1436	2664	cmd.exe	95
PID 2664 wrote to memory of 1436	2664	cmd.exe	95
PID 2664 wrote to memory of 1436	2664	cmd.exe	95
PID 1116 wrote to memory of 3244	1116	svchost.exe	96
PID 1116 wrote to memory of 3244	1116	svchost.exe	96
PID 1116 wrote to memory of 3244	1116	svchost.exe	96

C:\Users\Admin\AppData\Local\Temp\2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4836
- 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:4684
- 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:3400
- - 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:2664
  - - 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:1436
- C:\Users\Admin\AppData\Local\Temp\HD_2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe
  C:\Users\Admin\AppData\Local\Temp\HD_2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe
  2⤵
  - Executes dropped EXE
  PID:3944

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:676

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:1116
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240615640.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3244

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:4404
- 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:2516

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

HD_2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_2024-10-11_f514fab55be6ac6df427209f47d7bd98_icedid.exe
Size 2.1MB
SHA256 d125441d337773f5931fe1b075aca83cd652ec10daed71dd11e413225b5c909c
MD5 31ea2159fefa823c8bd053302ffff539
SHA1 483d76030b41de26d32ebbbe5b47b88cb1d3ef4a
SHA512 eb5a31245bb7da7319ade12aeacf546398639b2ffa1b8f842f34034f73c18e226d760786bbfbe8bb477a666b61818db0c1b40fe81e40437c2b63151310f58500
SSDEEP 49152:fr/Zm4GjbIv0nCgLbHFkmHXpFSHkxs6MIIDdlcwbK:qpaDdlO
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.5MB
SHA256 d2c5011c5985ee30165b865041c5903c883aa93ac7a64d7c6982cfd84d3ca030
MD5 9de917f4b5a14bf41bc5318e4134a707
SHA1 a01aa8071d5729f07654181314f831590f722bd7
SHA512 ff693b35f5bcec6fe0c17c30c1a7a1d320ad1fc2e09893466e5e543c6e980ec5cda9bc00f97cbdeac075a5112dd23e7181960e6c778ff90abd384a1c430e12f7
SSDEEP 24576:LCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHv:LCwsbCANnKXferL7Vwe/Gg0P+WhB6
MD5 SHA1 SHA512 SSDEEP

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N.exe

Path C:\Users\Admin\AppData\Local\Temp\N.exe
Size 377KB
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YHL7:HclcceBKlKwAg0Mja/UafOVwbha
MD5 SHA1 SHA512 SSDEEP

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R.exe

Path C:\Users\Admin\AppData\Local\Temp\R.exe
Size 941KB
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
SSDEEP 24576:N+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH1PXw:cerL7Vw
MD5 SHA1 SHA512 SSDEEP

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240615640.txt

Path C:\Windows\SysWOW64\240615640.txt
Size 899KB
SHA256 69e772870d8ccad20469e6220d1ef8beb4dfd349b2475cdca6605727ef014e9f
MD5 b76c7bc36e265c444a5db7bb0e3ac22c
SHA1 c16953d232bfcce89546632af39b8cb728784f74
SHA512 d065681f0c496bec0e35ae13e300a53426b1201458bf305b2e0ed7210924e0131e6efb4c8bae7a0dd72b7d6eff3cbcc08feb9627d170659adb649726c28c154d
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXt:7wqd87Vt
MD5 SHA1 SHA512 SSDEEP

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Remote Data.exe

Path C:\Windows\SysWOW64\Remote Data.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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memory/2516-43-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2516-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2516-45-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3400-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3400-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3400-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3400-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4404-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4404-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4404-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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