gh0strat | 1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072

General

Target

1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
Size

5.5MB
MD5

55dae4a8fe92a740d96600292eaa8e02
SHA1

de9df7080e7544e82a6d4e75e4a5b683ced264ff
SHA256

1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072
SHA512

bb28ef8763b897796e51693caabd08491b47dcf02c8b1721c07c0e77c29315a491ce626d98c8dc61ef6c2879c2ec773c87af12bb3754e0074a9157564c529d48
SSDEEP

98304:y2SVMD8qnlEwmrf1LLwfQmaHMFykCHdyFmXBSimMWt86dPLifj4GTMQ:CAnlETrfZwGHCGHdfXB0zxzifs0V

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240601656.bat	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

Processes:

look2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240601656.bat"	look2.exe

Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exesvchcst.exe

pid process

1484 look2.exe
1152 HD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
4820 svchcst.exe
Loads dropped DLL 3 IoCs

Processes:

look2.exesvchost.exesvchcst.exe

pid process

1484 look2.exe
836 svchost.exe
4820 svchcst.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3648 icacls.exe

pid	process
1484	look2.exe
1152	HD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
4820	svchcst.exe

pid	process
1484	look2.exe
836	svchost.exe
4820	svchcst.exe

pid	process
3648	icacls.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\240601656.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

Processes:

1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe

pid	process
1872	1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
1872	1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exejavaw.exe

pid	process
1872	1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
1872	1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
2248	javaw.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exeHD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exejavaw.exesvchost.exe

description	pid	process	target process
PID 1872 wrote to memory of 1484	1872	1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe	look2.exe
PID 1872 wrote to memory of 1484	1872	1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe	look2.exe
PID 1872 wrote to memory of 1484	1872	1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe	look2.exe
PID 1872 wrote to memory of 1152	1872	1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe	HD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
PID 1872 wrote to memory of 1152	1872	1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe	HD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
PID 1872 wrote to memory of 1152	1872	1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe	HD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
PID 1152 wrote to memory of 2248	1152	HD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe	javaw.exe
PID 1152 wrote to memory of 2248	1152	HD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe	javaw.exe
PID 2248 wrote to memory of 3648	2248	javaw.exe	icacls.exe
PID 2248 wrote to memory of 3648	2248	javaw.exe	icacls.exe
PID 2248 wrote to memory of 1688	2248	javaw.exe	cmd.exe
PID 2248 wrote to memory of 1688	2248	javaw.exe	cmd.exe
PID 836 wrote to memory of 4820	836	svchost.exe	svchcst.exe
PID 836 wrote to memory of 4820	836	svchost.exe	svchcst.exe
PID 836 wrote to memory of 4820	836	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
"C:\Users\Admin\AppData\Local\Temp\1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1872

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:1484

C:\Users\Admin\AppData\Local\Temp\HD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
C:\Users\Admin\AppData\Local\Temp\HD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1152

C:\Program Files\Java\jdk-1.8\bin\javaw.exe
"C:\Program Files\Java\jdk-1.8\bin\javaw.exe" -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=15 -jar "HD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe"
3⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\system32\icacls.exe
C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
4⤵
- Modifies file permissions
PID:3648

C:\Windows\SYSTEM32\cmd.exe
cmd ver
4⤵
PID:1688

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1316

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:836

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\240601656.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4820

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

File and Directory Permissions Modification

1

T1222

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\905ebba3a8fc8cc.timestamp
Filesize
50B

MD5
9323fc6e4654947c5f28d2129c8ca115

SHA1
eb1784d9bacfacdc2812392e6a1bbe3d8edd0eb0

SHA256
d033af99dd308b9e4c79adcaba9fd27292a79db2b6a3e41621e69356b7559d01

SHA512
7fd910f08b932cf19a32b83d5ce6c614f7a8db3e3093f2b4ecb710527a2ed8502d4ed982834801f133513944a564367296fec7183e1ccee3a0e4b8067d573b5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_1caf02f40057db3c21b0d0a69265a3eba23f9581091bbc3a581b0ed964c1a072.exe
Filesize
4.3MB

MD5
b8bbba8cd778e2dae662aadd3f7c8a3f

SHA1
b416350bd1f6d23e69b7b7ef7a4b69b7110d79bd

SHA256
bd34d38fe56f0ed1337fedad96a4bb97a1ee1e5288766596d2e28c36e9e31924

SHA512
abc83ac1d11d140236dcccd806d3546b1d46ec39d89e2dcbabe16352ca21d744b9dece7ecb602f09f0c193c3550c91c579251ea6013a0946a8b499f683966967

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Filesize
1.2MB

MD5
88131271b3a719be9922d80c187e95e8

SHA1
b33b339db8ee42574c9a75d0399efbc899f06fc5

SHA256
777305359ecceb2fa9e18e6202ce68571c7264a5cc87df8d8a538da49db576fe

SHA512
b3e8d51ffadd6250e2848ef05c555d4c7b298b9cf38fe21f2860d5105f09b85d0ddd35cfdc5aeb3848053693d75a5656da093359e530135cfa4def69cf785e87

Download Submit
C:\Users\Admin\AppData\Local\Temp\hmcl.json
Filesize
791B

MD5
f5c6f3a15173a7b7161749176de5f4ff

SHA1
04bd484d9fe52c08c14c77b9792c512bf4802b40

SHA256
ddf8a727518cb0ebc0173bb3c4104fbeb0d8ff45690a1cf8f00af7fc6d62a74d

SHA512
06878a5bf3d8935f1334bab6181c7d6271d1a4a3fd4dc7b548f39f2a08ba660056439509425e4ed02d1677aa4913159db36469862a1116f0bfbd768be9d26d2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\hmcl.json
Filesize
798B

MD5
1f7e03f82a12064b503e789e266bb69f

SHA1
b6568bbfb94687850396e239e1d7c761f213bc44

SHA256
1024b17adb2c5d80f01d583380ab4dd03d9a716f450057391ac89bf7ad504a2e

SHA512
00bc727c0774f5b17746d219be65fc16ffe61c16bdef0fe388d4b34131028d39052c357c3cf24b455ac6d66b34f7360b93667ec8b754e317eb889d0f6703b7a0

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\240601656.bat
Filesize
51KB

MD5
ee7f0036a2a8dde6a5ed71426641f119

SHA1
e705ec30778734574f432e74d616f0ed4425178e

SHA256
892238ddeac8a805198eee018e761c977ce886042dbd3abd2bfb438a4ef69888

SHA512
03f6473b6faad33050bb33a51de142ce88115a3947b7017c58abf5f5042cc1d8ba927a48acde75927a660a3b5cebc4298121e3bbc39853810017e70f9ef886ee

Download Submit
C:\Windows\SysWOW64\svchcst.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2248-137-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download
memory/2248-121-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download
memory/2248-113-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download
memory/2248-167-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download
memory/2248-173-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download
memory/2248-182-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download
memory/2248-79-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download
memory/2248-189-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download
memory/2248-41-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download
memory/2248-200-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download
memory/2248-201-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download
memory/2248-203-0x0000020FF6030000-0x0000020FF6031000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads