gh0strat | 6ae80d9b212d064b3e8c76959b0ed8e10155ffbc348357b0e872c9fcf36fc156

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
23/04/2024, 04:53

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General

Target

2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe
Size

4.6MB
MD5

c933bb8ee4bda87ebd4cb278e268c297
SHA1

bc8e243114ce71504e36d1d3f0a1c28311e28779
SHA256

6ae80d9b212d064b3e8c76959b0ed8e10155ffbc348357b0e872c9fcf36fc156
SHA512

c30ff4925eb1632ab451a5e0985051dd1b8ea93305e20e367eb96ee8f373e52d525000dfa54699a043e172001caa006dc4a4f2ebbf7139bc6aeb76072b00db0d
SSDEEP

49152:YCwsbCANnKXferL7Vwe/Gg0P+Wh5IK+izmHMTktw9k+Bb1911/ldV7Sr:zws2ANnKXOaeOgmh5Itju1/ld

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2780-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3036-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3036-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3036-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014323-6.dat	family_gh0strat
behavioral1/memory/2780-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3036-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3036-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3036-53-0x0000000010000000-0x00000000101B6000-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

UPX dump on OEP (original entry point) 10 IoCs

resource	yara_rule
behavioral1/memory/2780-20-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2780-21-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2780-18-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2780-22-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2964-30-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2964-45-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/2780-32-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/3036-48-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/3036-50-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX
behavioral1/memory/3036-53-0x0000000010000000-0x00000000101B6000-memory.dmp	UPX

Drops file in Drivers directory 1 IoCs

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259394687.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
1736	R.exe
2780	N.exe
2964	TXPlatfor.exe
3036	TXPlatfor.exe
2472	HD_2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe
1692	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe
1736	R.exe
2648	svchost.exe
1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe
2964	TXPlatfor.exe
1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe
2648	svchost.exe
1692	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2780-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3036-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3036-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3036-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259394687.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
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2516	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3036	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2780	N.exe
Token: SeLoadDriverPrivilege	3036	TXPlatfor.exe
Token: 33	3036	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3036	TXPlatfor.exe
Token: 33	3036	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3036	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe
1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1736	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	28
PID 1728 wrote to memory of 1736	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	28
PID 1728 wrote to memory of 1736	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	28
PID 1728 wrote to memory of 1736	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	28
PID 1728 wrote to memory of 2780	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	31
PID 1728 wrote to memory of 2780	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	31
PID 1728 wrote to memory of 2780	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	31
PID 1728 wrote to memory of 2780	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	31
PID 1728 wrote to memory of 2780	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	31
PID 1728 wrote to memory of 2780	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	31
PID 1728 wrote to memory of 2780	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	31
PID 2780 wrote to memory of 2604	2780	N.exe	33
PID 2780 wrote to memory of 2604	2780	N.exe	33
PID 2780 wrote to memory of 2604	2780	N.exe	33
PID 2780 wrote to memory of 2604	2780	N.exe	33
PID 2964 wrote to memory of 3036	2964	TXPlatfor.exe	34
PID 2964 wrote to memory of 3036	2964	TXPlatfor.exe	34
PID 2964 wrote to memory of 3036	2964	TXPlatfor.exe	34
PID 2964 wrote to memory of 3036	2964	TXPlatfor.exe	34
PID 2964 wrote to memory of 3036	2964	TXPlatfor.exe	34
PID 2964 wrote to memory of 3036	2964	TXPlatfor.exe	34
PID 2964 wrote to memory of 3036	2964	TXPlatfor.exe	34
PID 1728 wrote to memory of 2472	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	36
PID 1728 wrote to memory of 2472	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	36
PID 1728 wrote to memory of 2472	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	36
PID 1728 wrote to memory of 2472	1728	2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe	36
PID 2604 wrote to memory of 2516	2604	cmd.exe	37
PID 2604 wrote to memory of 2516	2604	cmd.exe	37
PID 2604 wrote to memory of 2516	2604	cmd.exe	37
PID 2604 wrote to memory of 2516	2604	cmd.exe	37
PID 2648 wrote to memory of 1692	2648	svchost.exe	38
PID 2648 wrote to memory of 1692	2648	svchost.exe	38
PID 2648 wrote to memory of 1692	2648	svchost.exe	38
PID 2648 wrote to memory of 1692	2648	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728
- 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:1736
- 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:2780
- - 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:2604
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2516
- C:\Users\Admin\AppData\Local\Temp\HD_2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe
  C:\Users\Admin\AppData\Local\Temp\HD_2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe
  2⤵
  - Executes dropped EXE
  PID:2472

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2636

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:2648
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259394687.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1692

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2964
- 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:3036

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_2024-04-23_c933bb8ee4bda87ebd4cb278e268c297_icedid.exe

Filesize
1.1MB

MD5
beebc39c6a2282e5b2776b7055b136f5

SHA1
a95420b28816696001bf2540abb4b786dfdf1beb

SHA256
9791fd6700b4c95b16559f679dc04f3d0bdcdbc242d6dd89ee7cc1f403b5d508

SHA512
d6f9e84d45728664091125ffde7da75114963acff60970a4c7aa535c4719ec90c4d29b47a088ca883d8412e970f1ccd2eef565a466265d0126d654453be8866f

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
3.4MB

MD5
abe522a5f8c89a53d200d49108286a71

SHA1
93b9176521f887eed2ae8e69ccfa00a622faedc5

SHA256
97f8f34ba3544cc00b933efea0c1ece3843301fc471f7cc4d97d5508fae8a60e

SHA512
c2246bc3737348edae07f81b05ddc6214f9ced8f067f423712bfbf6003184daa098eed6ee072f76df9dd9198e20569e887bbeb94c5c4c12efb6ed927f7b1b58b

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
\Windows\SysWOW64\259394687.txt

Filesize
899KB

MD5
5f65a5c45a898ded8803c3ef152dccdb

SHA1
c98466ba6f53e77d6a188b933e7505d273ec3ae0

SHA256
06b9fc2dd95f655ef95413cdcc8c2b9464989be9488a15d6f0164f9608720916

SHA512
ba4e50c09a5b17c2594d58a742c24e5e77c20b0bef9632eba110379194bdc051588d1c4f8cbae40100eba2bb7dd77f201f0d6548b50e6729dff115306f19cb29

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2780-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3036-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3036-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3036-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download