gh0strat | 272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85

General

Target
272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe
Size 5.7MB
Sample260601-ma148abs4j
SHA256 272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85
MD5 a5311e79ba83da377dd002bd2324560c
SHA1 95a861272fc2cdac871388f62e0a31f96264892f
SHA512 3fcbd7b8ed425ba301f228729465637df1e1ce914e50504460332dc1cf0c92f965de99389e85eb57fe45e092863b8c2faf0cb0d6a9aa54372dc0f6b4a52545ff
SSDEEP 49152:DYREXSVMDi3W2eIK+izmHMTkbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4Of:M2SVMD8WfItnbXsPN5kiQaZ56
TLSH
T17056052026D6CFE4C05F1070CD65B6F6906B9D24CF6A4FCB6E817E19B5385C2A93292F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery gh0strat persistence rat

Malware Config

Signatures

Family: 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

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/files/0x001a00000002b372-5.dat	family_gh0strat

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240658906.bat"	look2.exe

Executes dropped EXE 3 IoCs

pid	Process
2768	look2.exe
2232	HD_272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe
4456	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
2768	look2.exe
2176	svchost.exe
4456	svchcst.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240658906.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	272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	look2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3356	272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe
3356	272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3356	272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe
3356	272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3356 wrote to memory of 2768	3356	272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe	80
PID 3356 wrote to memory of 2232	3356	272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe	83
PID 2176 wrote to memory of 4456	2176	svchost.exe	86

C:\Users\Admin\AppData\Local\Temp\272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe
"C:\Users\Admin\AppData\Local\Temp\272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Users\Admin\AppData\Local\Temp\look2.exe
  C:\Users\Admin\AppData\Local\Temp\\look2.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Users\Admin\AppData\Local\Temp\HD_272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe
  C:\Users\Admin\AppData\Local\Temp\HD_272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2232

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:2620

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240658906.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4456

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k "svchcst"
1⤵
PID:1852

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

HD_272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_272a5f831a9856a8e2f7206873a6aa5b55af248ae43990d117667e23e884ba85.exe
Size 3.1MB
SHA256 f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
MD5 fb083acd60fe5c3156dc25442be815e3
SHA1 61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA512 7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6
SSDEEP 49152:0bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLhp:0bXsPN5kiQaZ56
TLSH
T14BE5802126D4CFE1D46F20B0DD66BAF6512BAD24CF564FCB6D803E1A35305D2AA31A1F
MD5 SHA1 SHA512 SSDEEP TLSH

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.6MB
SHA256 58000e3b213833418a9732042b002b73c9dbf2de86173dd45309de41fad65518
MD5 2ba304f30b7e96767c88266b562d7528
SHA1 b996423a1a27c4a41821fed9467962f36def316a
SHA512 9f4a860dd34efe27158ace2eca5aeb6234d405fc47846bf0acf644f57fa45f7a29ed30ce468e1c0b5d1eb2197ac0081639646652daa653c50a0f9b2c11d4f5d7
SSDEEP 24576:DYFbkIsaPiXSVnC7Yp9zkNmZG8RRlntyzrUv7/qIAdB/PzPnCmQptoZx9HpojWzk:DYREXSVMDi3W2eIK+izmHMTq
TLSH
T143C59EB17BD7086CC28A58B54F658632E4F4CDAD8B3B86839B97F62CDA7D4C14427432
MD5 SHA1 SHA512 SSDEEP TLSH

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look2.exe

Path C:\Users\Admin\AppData\Local\Temp\look2.exe
Size 337KB
SHA256 86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
MD5 2f3b6f16e33e28ad75f3fdaef2567807
SHA1 85e907340faf1edfc9210db85a04abd43d21b741
SHA512 db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4
SSDEEP 6144:8IXwWcHnNmZEvB7csAPRZyfQjCfA3lMXm4Y+5bFnWBFopJOU:8IXwDNmZEvJcscRZzjCI1O5W
TLSH
T1B474BF137FE4C8B6C59351324EE25F7AA1F6FE902E224A4333956F0CDD32691963A316
MD5 SHA1 SHA512 SSDEEP TLSH

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240658906.bat

Path C:\Windows\SysWOW64\240658906.bat
Size 51KB
SHA256 b0c899c9c6bce411da84c58136c5e3f20ede31936f6e09dd89fd2b7dc6bae96d
MD5 65ac890a7b16f6dadda99525a1a2d854
SHA1 7dc60d4a73024fc8fdfc109dc1d11563031e100d
SHA512 f10c6753f357a00b426f34503cbe69c953cda316e2874253410058ea83bee4e98e7864a44cfb73cd9958639309f4b83e63a1065fc052cf77e56ae59f81f10a69
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLyJYH5:1dWubF3n9S91BF3fbo+JYH5
TLSH
T1E4333A02EE8D88F5F145177038AA33B6953ABDE036996A931F53DDA5C87B370F12D242
MD5 SHA1 SHA512 SSDEEP TLSH

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svchcst.exe

Path C:\Windows\SysWOW64\svchcst.exe
Size 40KB
SHA256 8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e
MD5 22bb5bd901d8b25ac5b41edbb7d5053e
SHA1 8a935dd8d7e104fc553ff7e8b54a404f7b079334
SHA512 cc3fb68fd6791a08e4a7d1a8db8d07cfcc8c9b9dceec10b53f0cb7ee86473303a19be4f23e379f84c59e02d0568e7c066e21cd1300f6032dac4ba52f609f62e7
SSDEEP 768:C67uhQpPPp0nnqFk509FRdVcQX6N58hJYim1jLP3RRe:C67uhQpXp0nnqa5093jKNAmB3RR
TLSH
T10C134C02BE88C071DDA114B41A5DB337939DED604B1586D3593887EBAA2D3E39E343DE
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads