gh0strat | fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d

General

Target

fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
Size

4.9MB
MD5

ab3bbebdd9abf0579b17c781efb91421
SHA1

17ed3c553f615d8df8a54a84b2e34a4e16d88e71
SHA256

fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d
SHA512

a63e12b8c139a1bad71da838752cd50a4c15a8385c285b8da0a95417a8ede9e82d588cff8af25a28048b254ea3880e1abde9db2fd73b9ce98eab49627c9770b0
SSDEEP

49152:3YREXSVMDi3TrbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PL:o2SVMD8TrbXsPN5kiQaZ56

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259435497.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\\259435497.bat"	look2.exe

Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exesvchcst.exe

pid process

2212 look2.exe
2884 HD_fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
2460 svchcst.exe

pid	process
2212	look2.exe
2884	HD_fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
2460	svchcst.exe

Loads dropped DLL 6 IoCs

Processes:

fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exelook2.exesvchost.exesvchcst.exe

pid	process
2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
2212	look2.exe
2236	svchost.exe
2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
2236	svchost.exe
2460	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259435497.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:

fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe

pid process

2008 fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe

pid	process
2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exesvchost.exe

description	pid	process	target process
PID 2008 wrote to memory of 2212	2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe	look2.exe
PID 2008 wrote to memory of 2212	2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe	look2.exe
PID 2008 wrote to memory of 2212	2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe	look2.exe
PID 2008 wrote to memory of 2212	2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe	look2.exe
PID 2008 wrote to memory of 2884	2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe	HD_fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
PID 2008 wrote to memory of 2884	2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe	HD_fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
PID 2008 wrote to memory of 2884	2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe	HD_fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
PID 2008 wrote to memory of 2884	2008	fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe	HD_fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
PID 2236 wrote to memory of 2460	2236	svchost.exe	svchcst.exe
PID 2236 wrote to memory of 2460	2236	svchost.exe	svchcst.exe
PID 2236 wrote to memory of 2460	2236	svchost.exe	svchcst.exe
PID 2236 wrote to memory of 2460	2236	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
"C:\Users\Admin\AppData\Local\Temp\fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2008

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:2212

C:\Users\Admin\AppData\Local\Temp\HD_fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
C:\Users\Admin\AppData\Local\Temp\HD_fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe
2⤵
- Executes dropped EXE
PID:2884

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2316

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:2236

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\259435497.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.9MB

MD5
6b226224117c3c1eef4dfdb98b1cb052

SHA1
2b3514ad493c482611230187797cdc93ee21bcda

SHA256
d3e9f7f13fe4a936a208fd5b92e056fd09b2e07e90049d6f4f32b800fef9edc4

SHA512
cec556430ba0cffb983fdcb811a59a74afd3445acc29af53e7fa5a5e9d32b6990984241eca31aa56c95a2923328b92d695ae9fe165c3787baf1aaf54ece33bb1

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

Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
\Users\Admin\AppData\Local\Temp\HD_fcaff5f5cac19d79d7349620e4a0ccd6d4154e22c5aec05fd63a09e3baa73d5d.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

Download Submit
\Windows\SysWOW64\259435497.bat

Filesize
51KB

MD5
526bdc6adc10eed335b785da59fa01f9

SHA1
55e47e47ebdd2475e65b65ddc433361112ac77fb

SHA256
574363624bc1e74723ce3a390df8f601c21874baea2cf5f5829e3b23849a188f

SHA512
00524029c2c97ca2793c5cb256cf4108f48b3a4f5239c8f8660c3122e557ff6c22e4fcf412dba738880fefe47a937ddbb1a8710255a47cdde7b71af3833c5d26

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