gh0strat | 68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a

General

Target

68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
Size

11.6MB
MD5

babb30e61fdef65e913d6ea164301077
SHA1

edb712f4837ae0ca2205408dd9a388ee33c2bd76
SHA256

68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a
SHA512

b522175ff1c488eb780bc0a7f24a1979b15299568144c9dcf10e995cda1960aa4349a23ac61606398fe7c0ae850a1c6668538bc30ac3f7faf4ac9bcc8d6cfd36
SSDEEP

196608:K2tnjp+sHMWh+lmnqg/ivIbuUN0tZo+mNbM3bwIihTtvHkP5KhvXRRdCqM4ABrGl:bnjsyM9l2R6gamsbmNbGihpHr9Rj5A6I

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259396091.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:

GLk.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchist\Parameters\ServiceDll = "C:\\Windows\\system32\\259396091.bat"	GLk.exe

Executes dropped EXE 3 IoCs

Processes:

GLk.exeHD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exesvchist.exe

pid process

1744 GLk.exe
2640 HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
2732 svchist.exe

pid	process
1744	GLk.exe
2640	HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
2732	svchist.exe

Loads dropped DLL 6 IoCs

Processes:

68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exeGLk.exesvchost.exesvchist.exe

pid	process
2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
1744	GLk.exe
2168	svchost.exe
2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
2168	svchost.exe
2732	svchist.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe	upx
behavioral1/memory/2040-19-0x0000000004420000-0x0000000005487000-memory.dmp	upx
behavioral1/memory/2640-24-0x0000000000400000-0x0000000001467000-memory.dmp	upx
behavioral1/memory/2640-32-0x0000000000400000-0x0000000001467000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

Processes:

GLk.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ini.ini	GLk.exe
File created	C:\Windows\SysWOW64\svchist.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchist.exe	svchost.exe
File created	C:\Windows\SysWOW64\259396091.bat	GLk.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 04000000010000001000000079e4a9840d7d3a96d7c04fe2434c892e0f0000000100000014000000b34ddd372ed92e8f2abfbb9e20a9d31f204f194b090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b0601050507030814000000010000001400000003de503556d14cbb66f0a3e21b1bc397b23dd1550b00000001000000120000004400690067006900430065007200740000001d000000010000001000000059779e39e21a2e3dfced6857ed5c5fd9030000000100000014000000a8985d3a65e5e5c4b2d7d66d40c6dd2fb19c54361900000001000000100000000f3a0527d242de2dc98e5cfcb1e991ee2000000001000000b3030000308203af30820297a0030201020210083be056904246b1a1756ac95991c74a300d06092a864886f70d01010505003061310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3120301e06035504031317446967694365727420476c6f62616c20526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a3061310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3120301e06035504031317446967694365727420476c6f62616c20526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100e23be11172dea8a4d3a357aa50a28f0b7790c9a2a5ee12ce965b010920cc0193a74e30b753f743c46900579de28d22dd870640008109cece1b83bfdfcd3b7146e2d666c705b37627168f7b9e1e957deeb748a308dad6af7a0c3906657f4a5d1fbc17f8abbeee28d7747f7a78995985686e5c23324bbf4ec0e85a6de370bf7710bffc01f685d9a844105832a97518d5d1a2be47e2276af49a33f84908608bd45fb43a84bfa1aa4a4c7d3ecf4f5f6c765ea04b37919edc22e66dce141a8e6acbfecdb3146417c75b299e32bff2eefad30b42d4abb74132da0cd4eff881d5bb8d583fb51be84928a270da3104ddf7b216f24c0a4e07a8ed4a3d5eb57fa390c3af270203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e0416041403de503556d14cbb66f0a3e21b1bc397b23dd155301f0603551d2304183016801403de503556d14cbb66f0a3e21b1bc397b23dd155300d06092a864886f70d01010505000382010100cb9c37aa4813120afadd449c4f52b0f4dfae04f5797908a32418fc4b2b84c02db9d5c7fef4c11f58cbb86d9c7a74e79829ab11b5e370a0a1cd4c8899938c9170e2ab0f1cbe93a9ff63d5e40760d3a3bf9d5b09f1d58ee353f48e63fa3fa7dbb466df6266d6d16e418df22db5ea774a9f9d58e22b59c04023ed2d2882453e7954922698e08048a837eff0d6796016deace80ecd6eac4417382f49dae1453e2ab93653cf3a5006f72ee8c457496c612118d504ad783c2c3a806ba7ebaf1514e9d889c1b9386ce2916c8aff64b977255730c01b24a3e1dce9df477cb5b424080530ec2dbd0bbf45bf50b9a9f3eb980112adc888c698345f8d0a3cc6e9d595956dde	HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe

pid process

2040 68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exeHD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe

pid	process
2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
2640	HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
2640	HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exesvchost.exe

description	pid	process	target process
PID 2040 wrote to memory of 1744	2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe	GLk.exe
PID 2040 wrote to memory of 1744	2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe	GLk.exe
PID 2040 wrote to memory of 1744	2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe	GLk.exe
PID 2040 wrote to memory of 1744	2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe	GLk.exe
PID 2040 wrote to memory of 2640	2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe	HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
PID 2040 wrote to memory of 2640	2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe	HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
PID 2040 wrote to memory of 2640	2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe	HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
PID 2040 wrote to memory of 2640	2040	68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe	HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
PID 2168 wrote to memory of 2732	2168	svchost.exe	svchist.exe
PID 2168 wrote to memory of 2732	2168	svchost.exe	svchist.exe
PID 2168 wrote to memory of 2732	2168	svchost.exe	svchist.exe
PID 2168 wrote to memory of 2732	2168	svchost.exe	svchist.exe

C:\Users\Admin\AppData\Local\Temp\68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
"C:\Users\Admin\AppData\Local\Temp\68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040

C:\Users\Admin\AppData\Local\Temp\GLk.exe
C:\Users\Admin\AppData\Local\Temp\\GLk.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:1744

C:\Users\Admin\AppData\Local\Temp\HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
C:\Users\Admin\AppData\Local\Temp\\HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe
2⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of SetWindowsHookEx
PID:2640

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchist"
1⤵
PID:2524

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchist"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2168

C:\Windows\SysWOW64\svchist.exe
C:\Windows\system32\svchist.exe "c:\windows\system32\259396091.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2732

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

2

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\GLk.exe

Filesize
337KB

MD5
b8e58a96761799f4ad0548dba39d650c

SHA1
c00032d40cfbe4ccfd3ce3e4c8defb2a2ef9fc1f

SHA256
334e8e7c65b087985766d652f70b710bdba6aea55a2fa17b97ba2961e8eee9df

SHA512
1cd94994ed3f6594e37e6cd1d266ff96bb37c5e99d9ce6fd4637ed615ee8c6496b54a025fdccced6fca200f8f2da8011177c67c943676b30bfb0655393765fe3

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

Filesize
1.2MB

MD5
93bd7c53b5d5075a012039b0ed7a19bc

SHA1
21db18e3b04912518b940d3c818e8abcf97b5161

SHA256
d3e5503b6b258142b49e703eed70fe0c860722df333b10866daf33cab0523357

SHA512
97711ef14a35e45951c0e380d70e1687ec9ed15aa866b68ff36521623517ec27d683a4d794a9dfabb98dfc1dab3881721dbad34f3d757cc97c2574aea05110b9

Download Submit
\Users\Admin\AppData\Local\Temp\HD_68ac4865ef5f7046ccf887d0da4398091b6209d6992246fc596aec49bf2d817a.exe

Filesize
10.4MB

MD5
6acfaf993d52998a4a084b2df45ef4b1

SHA1
f1e732b33315fcb97a094fc32232531ad9e68524

SHA256
bf9b32a64e76698d773c7572e1dfd7665a3e951bf1dd6ef51738dc99af58c76e

SHA512
9e70133b5a4846f3daa28778e11028f96cbe27da77699c9976a867b5655f704848136a27dbd9ded4c40603eddf045a66d642db7cd7e71e3e674abe57291ec291

Download Submit
\Windows\SysWOW64\259396091.bat

Filesize
51KB

MD5
303dbeece437fa01c742f12f45e3a381

SHA1
bcef4152470e4751c535ac4418496036fa64d284

SHA256
4044f6210f0a92ab85cd07c7378b337f213266b9f77ac04ddbdc4fb0029ecd88

SHA512
29ae71aedc0db4340bf5dc40bbb9ec96685224d680e4486d185bbcdf740b50cf09171289704e8e381f6f6477939ffb096dd436dcd380a097ca2f63c972713e2c

Download Submit
\Windows\SysWOW64\svchist.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2040-19-0x0000000004420000-0x0000000005487000-memory.dmp

Filesize
16.4MB

Download
memory/2040-33-0x0000000004420000-0x0000000005487000-memory.dmp

Filesize
16.4MB

Download
memory/2640-20-0x0000000010000000-0x0000000010116000-memory.dmp

Filesize
1.1MB

Download
memory/2640-24-0x0000000000400000-0x0000000001467000-memory.dmp

Filesize
16.4MB

Download
memory/2640-32-0x0000000000400000-0x0000000001467000-memory.dmp

Filesize
16.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads