gh0strat | e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29/05/2024, 00:12

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General

Target
e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe
Size 9.9MB
Sample240529-ahly2sbc49
SHA256 e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e
MD5 40f2c1e183e4e7f38c500ac882316025
SHA1 06c8bb5bd8cbbdc321510f978abc1c10d3ea4bdd
SHA512 7d2e19c9c1ada7cf80a0b682d799d6b63dba995cf0e2c343eb27d3203666735703913a435aa7395dbff55338a3622f702c3cd561e85e0936ca3e26eb59c7a385
SSDEEP 98304:Mws2ANnKXOaeOgmhM/ZDmn2M2oLT7QSzCzwzIU0eDZ0bs6uipFME5nVzArOSqeDr:aKXbeO78Vmnd3JIUBQs6tME5Vc9BDal8
MD5 SHA1 SHA512 SSDEEP

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
behavioral2/memory/3776-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3776-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4720-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4720-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5036-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5036-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5036-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023418-5.dat	family_gh0strat
behavioral2/memory/3776-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3776-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4720-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4720-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5036-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5036-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5036-41-0x0000000010000000-0x00000000101B6000-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 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\\240602671.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
4984	R.exe
3776	N.exe
4720	TXPlatfor.exe
5036	TXPlatfor.exe
1220	HD_e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe
2384	Remote Data.exe

Loads dropped DLL 4 IoCs

pid	Process
4984	R.exe
1584	svchost.exe
1220	HD_e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe
2384	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3776-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3776-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3776-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4720-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4720-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4720-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5036-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5036-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5036-41-0x0000000010000000-0x00000000101B6000-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\240602671.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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.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

pid	Process
3612	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe
5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
5036	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3776	N.exe
Token: SeLoadDriverPrivilege	5036	TXPlatfor.exe
Token: 33	5036	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5036	TXPlatfor.exe
Token: 33	5036	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5036	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe
5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe
1220	HD_e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe
1220	HD_e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 4984	5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe	84
PID 5008 wrote to memory of 4984	5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe	84
PID 5008 wrote to memory of 4984	5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe	84
PID 5008 wrote to memory of 3776	5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe	87
PID 5008 wrote to memory of 3776	5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe	87
PID 5008 wrote to memory of 3776	5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe	87
PID 4720 wrote to memory of 5036	4720	TXPlatfor.exe	89
PID 4720 wrote to memory of 5036	4720	TXPlatfor.exe	89
PID 4720 wrote to memory of 5036	4720	TXPlatfor.exe	89
PID 3776 wrote to memory of 4384	3776	N.exe	90
PID 3776 wrote to memory of 4384	3776	N.exe	90
PID 3776 wrote to memory of 4384	3776	N.exe	90
PID 4384 wrote to memory of 3612	4384	cmd.exe	92
PID 4384 wrote to memory of 3612	4384	cmd.exe	92
PID 4384 wrote to memory of 3612	4384	cmd.exe	92
PID 5008 wrote to memory of 1220	5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe	93
PID 5008 wrote to memory of 1220	5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe	93
PID 5008 wrote to memory of 1220	5008	e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe	93
PID 1584 wrote to memory of 2384	1584	svchost.exe	97
PID 1584 wrote to memory of 2384	1584	svchost.exe	97
PID 1584 wrote to memory of 2384	1584	svchost.exe	97

C:\Users\Admin\AppData\Local\Temp\e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe
"C:\Users\Admin\AppData\Local\Temp\e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5008
- 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:4984
- 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:3776
- - 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:4384
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3612
- C:\Users\Admin\AppData\Local\Temp\HD_e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe
  C:\Users\Admin\AppData\Local\Temp\HD_e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:1220

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3708

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:1584
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240602671.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2384

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4720
- 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:5036

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

E2EECore.2.7.2.dll

Path C:\Users\Admin\AppData\Local\Temp\E2EECore.2.7.2.dll
Size 8.4MB
SHA256 982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53
MD5 8b6c94bbdbfb213e94a5dcb4fac28ce3
SHA1 b56102ca4f03556f387f8b30e2b404efabe0cb65
SHA512 9d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a
SSDEEP 98304:z0PpiCcXz5iqFaFxZkyE2kCeQ+LDSBRAN9ijNnQobT9wdxd+tNrspBAUZLh7ZV/T:QyDBaFxZNb+LwRAN9w1X9wdxrpV9/J
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.9MB
SHA256 0a6e30b9538a4fb55c1f80cebc342a27a97db402df341fe4577e68a7601251b0
MD5 7b5340d6d8bb14500365df9418400465
SHA1 551e1835f8de686d7f2ec96dd126279a0e254df4
SHA512 1895bd31009f6f1e7167518f796e09d5c8cd894ea2e2ab0e20cac2500659d45b36568fd9855b2cb71b4af3d34e456290f48d3a84dc56761d62f383b5425abeb5
SSDEEP 49152:hCwsbCANnKXferL7Vwe/Gg0P+WhM/ZDmn2f:Mws2ANnKXOaeOgmhM/ZDmn2f
MD5 SHA1 SHA512 SSDEEP

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HD_e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_e144a8ef74c324f2638e15c626f5811f41370b2af44ac8017e6de0617eb9e25e.exe
Size 7.0MB
SHA256 d457bc393782b33a20e347bb2c3f3a41a2f68cf244fbf6af7809e257d1d5a535
MD5 d10332e6fedc5b54fcdf11ae95007a5c
SHA1 6ab2279028172bf931339bcd77cdf6388f47f2b8
SHA512 739dde42903f60bf6d8c79405b6131409e37fc431469bfe71dbcdad44e9d3cd3e051908fa6f6d3f73b56a3320bbe34f13fb309d0ae0714d3ad0b8aef4a715bd7
SSDEEP 98304:X2oLT7QSzCzwzIU0eDZ0bs6uipFME5nVzArOSqeDalc6dk:33JIUBQs6tME5Vc9BDal8
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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240602671.txt

Path C:\Windows\SysWOW64\240602671.txt
Size 899KB
SHA256 26b2212c9f3555df78175289eb5555ef29ebee16cb472714a8ed50e0a1d0dd2a
MD5 090c27839f9d1ef8af041c201b7ce58c
SHA1 cc474b54fecbeea070251fc8ce51c44f9dde440a
SHA512 f9ece6dba13623b2c818ac9a01ca0510c001d463537e08311da77487b62dd5080f4b4292b51c0afab048e24d52bf110af233e4beef79d1c6b0629aee72dceec1
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PX4:7wqd87V4
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/1220-59-0x0000000010000000-0x0000000010116000-memory.dmp

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memory/3776-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3776-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3776-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4720-25-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4720-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4720-27-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5036-37-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5036-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5036-41-0x0000000010000000-0x00000000101B6000-memory.dmp

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