gh0strat | 1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff

Analysis

max time kernel
154s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-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
behavioral2/files/0x00070000000231e9-5.dat	family_gh0strat
behavioral2/files/0x00070000000231e9-9.dat	family_gh0strat
behavioral2/files/0x00070000000231e9-8.dat	family_gh0strat
behavioral2/files/0x00070000000231e9-28.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\\240622390.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
1744	look2.exe
3456	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
1744	look2.exe
2836	svchost.exe
3456	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240622390.bat	look2.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File opened for modification	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)\Microsoft\Edge\Application\msedge.exe	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1260	1744	WerFault.exe	82

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1272	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe
1272	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 1744	1272	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe	82
PID 1272 wrote to memory of 1744	1272	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe	82
PID 1272 wrote to memory of 1744	1272	1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe	82
PID 2836 wrote to memory of 3456	2836	svchost.exe	88
PID 2836 wrote to memory of 3456	2836	svchost.exe	88
PID 2836 wrote to memory of 3456	2836	svchost.exe	88

C:\Users\Admin\AppData\Local\Temp\1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe
"C:\Users\Admin\AppData\Local\Temp\1dee938585f4c3f39927b20b93363a1474afcca526513b1c389d7a62de35abff.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1272
- 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:1744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 656
    3⤵
    - Program crash
    PID:1260

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1224

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:2836
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240622390.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1744 -ip 1744
1⤵
PID:4464

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

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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:\Users\Admin\AppData\Local\Temp\look2.exe

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
C:\Windows\SysWOW64\240622390.bat

Filesize
51KB

MD5
d1e3df4016113c1735f80cdd01742046

SHA1
b4d05f05b6bcee0beeea25abf1259cdddbfa7c03

SHA256
8cb26ecfd6d027bba1b2dd86e15098b7f71c785c03537b7bf442643a2e013706

SHA512
bb8d7efe45ce35695803921a0a30453160b748585d05aea1c093106a2ccb38ca67c8d043ba4002132b56b6fc20da4fec484d769a8cd407d401a83b57ca6e13ec

Download Submit
C:\Windows\SysWOW64\240622390.bat

Filesize
51KB

MD5
d1e3df4016113c1735f80cdd01742046

SHA1
b4d05f05b6bcee0beeea25abf1259cdddbfa7c03

SHA256
8cb26ecfd6d027bba1b2dd86e15098b7f71c785c03537b7bf442643a2e013706

SHA512
bb8d7efe45ce35695803921a0a30453160b748585d05aea1c093106a2ccb38ca67c8d043ba4002132b56b6fc20da4fec484d769a8cd407d401a83b57ca6e13ec

Download Submit
C:\Windows\SysWOW64\240622390.bat

Filesize
51KB

MD5
d1e3df4016113c1735f80cdd01742046

SHA1
b4d05f05b6bcee0beeea25abf1259cdddbfa7c03

SHA256
8cb26ecfd6d027bba1b2dd86e15098b7f71c785c03537b7bf442643a2e013706

SHA512
bb8d7efe45ce35695803921a0a30453160b748585d05aea1c093106a2ccb38ca67c8d043ba4002132b56b6fc20da4fec484d769a8cd407d401a83b57ca6e13ec

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
\??\c:\windows\SysWOW64\240622390.bat

Filesize
51KB

MD5
d1e3df4016113c1735f80cdd01742046

SHA1
b4d05f05b6bcee0beeea25abf1259cdddbfa7c03

SHA256
8cb26ecfd6d027bba1b2dd86e15098b7f71c785c03537b7bf442643a2e013706

SHA512
bb8d7efe45ce35695803921a0a30453160b748585d05aea1c093106a2ccb38ca67c8d043ba4002132b56b6fc20da4fec484d769a8cd407d401a83b57ca6e13ec

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads