gh0strat | 1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 22:42

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General

Target

1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe
Size

1.5MB
MD5

8229e90345ddcfa958b0a6db512724d8
SHA1

ec3d1fe2d134788e217f10d995cd2048b914dfdd
SHA256

1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff
SHA512

40851548ecc31246bc5469a89c89f74348b8b2ee147a5a3245a1c00c6ea7cff04046f018b132ff000a5fbefcf0ad13c08009618519bb5f49e463318a65f1ef82
SSDEEP

24576:EYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnmyzHY9OV:EYREXSVMDi3sOV

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012022-6.dat	family_gh0strat
behavioral1/files/0x0009000000012022-22.dat	family_gh0strat
behavioral1/files/0x0009000000012022-21.dat	family_gh0strat
behavioral1/files/0x0009000000012022-30.dat	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

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\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\259407916.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
2424	look2.exe
2712	svchcst.exe

Loads dropped DLL 5 IoCs

pid	Process
2160	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe
2424	look2.exe
2140	svchost.exe
2140	svchost.exe
2712	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\259407916.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2160	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe
2160	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2424	2160	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe	28
PID 2160 wrote to memory of 2424	2160	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe	28
PID 2160 wrote to memory of 2424	2160	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe	28
PID 2160 wrote to memory of 2424	2160	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe	28
PID 2140 wrote to memory of 2712	2140	svchost.exe	31
PID 2140 wrote to memory of 2712	2140	svchost.exe	31
PID 2140 wrote to memory of 2712	2140	svchost.exe	31
PID 2140 wrote to memory of 2712	2140	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe
"C:\Users\Admin\AppData\Local\Temp\1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\look2.exe
  C:\Users\Admin\AppData\Local\Temp\\look2.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2424

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1016

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\259407916.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2712

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

System Information Discovery

T1082

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
1.5MB

MD5
8229e90345ddcfa958b0a6db512724d8

SHA1
ec3d1fe2d134788e217f10d995cd2048b914dfdd

SHA256
1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff

SHA512
40851548ecc31246bc5469a89c89f74348b8b2ee147a5a3245a1c00c6ea7cff04046f018b132ff000a5fbefcf0ad13c08009618519bb5f49e463318a65f1ef82

Download Submit
C:\Users\Admin\AppData\Local\Temp\look2.exe

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
C:\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\??\c:\windows\SysWOW64\259407916.bat

Filesize
51KB

MD5
c22dd0dc5f09b98b45845dce5e1d3317

SHA1
821e78fa4d232e5831b36a3c1ebf589b4f2c041e

SHA256
b120f2276e918ffdea285344e39d401025febb3adaeb7835e203e5ff91eb4bf2

SHA512
4a5267af9bedd4d05fefb9135fa355aa5c063c3662b8d99fd16f6c1a4d16441e98dbad02bf0f0e9ab4c58b8a22724793855ab219f71d69a68887dd768bcfc423

Download Submit
\Users\Admin\AppData\Local\Temp\look2.exe

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Windows\SysWOW64\259407916.bat

Filesize
51KB

MD5
c22dd0dc5f09b98b45845dce5e1d3317

SHA1
821e78fa4d232e5831b36a3c1ebf589b4f2c041e

SHA256
b120f2276e918ffdea285344e39d401025febb3adaeb7835e203e5ff91eb4bf2

SHA512
4a5267af9bedd4d05fefb9135fa355aa5c063c3662b8d99fd16f6c1a4d16441e98dbad02bf0f0e9ab4c58b8a22724793855ab219f71d69a68887dd768bcfc423

Download Submit
\Windows\SysWOW64\259407916.bat

Filesize
51KB

MD5
c22dd0dc5f09b98b45845dce5e1d3317

SHA1
821e78fa4d232e5831b36a3c1ebf589b4f2c041e

SHA256
b120f2276e918ffdea285344e39d401025febb3adaeb7835e203e5ff91eb4bf2

SHA512
4a5267af9bedd4d05fefb9135fa355aa5c063c3662b8d99fd16f6c1a4d16441e98dbad02bf0f0e9ab4c58b8a22724793855ab219f71d69a68887dd768bcfc423

Download Submit
\Windows\SysWOW64\259407916.bat

Filesize
51KB

MD5
c22dd0dc5f09b98b45845dce5e1d3317

SHA1
821e78fa4d232e5831b36a3c1ebf589b4f2c041e

SHA256
b120f2276e918ffdea285344e39d401025febb3adaeb7835e203e5ff91eb4bf2

SHA512
4a5267af9bedd4d05fefb9135fa355aa5c063c3662b8d99fd16f6c1a4d16441e98dbad02bf0f0e9ab4c58b8a22724793855ab219f71d69a68887dd768bcfc423

Download Submit
\Windows\SysWOW64\svchcst.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads