gh0strat | 166605e058401e33ddd9ffda911595ee93bf0f4b04b088f2d82898752cac2d55

General

Target
166605e058401e33ddd9ffda911595ee93bf0f4b04b088f2d82898752cac2d55.exe
Size 1.2MB
Sample260730-p2cxtaybmh
SHA256 166605e058401e33ddd9ffda911595ee93bf0f4b04b088f2d82898752cac2d55
MD5 d63920b9dca9a59678187cedb161e58d
SHA1 682eff0f99df873005757b717049bbac41f26163
SHA512 0f3dacbaf82565e2f48fc43ccd2df651958860129b6c24f06b8fad195fbc2731b8f7516d5cbe41da6798b32a1045cbba3e002e88026f67d741337a8eded8850a
SSDEEP 24576:LYFbkIsaPiXSVnC7Yp9zkNmZG8RRln0yzC2j1:LYREXSVMDi3X1
TLSH
T12245BF93BEA284F1C6451430BCA7677ED5779F410F12CA87939AFE2C6D32141A63B236
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/0x000d00000001c53c-6.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\\240732875.bat"	look2.exe

Executes dropped EXE 2 IoCs

pid	Process
4320	look2.exe
4904	svchcst.exe

Loads dropped DLL 3 IoCs

pid	Process
4320	look2.exe
1236	svchost.exe
4904	svchcst.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\240732875.bat	look2.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	166605e058401e33ddd9ffda911595ee93bf0f4b04b088f2d82898752cac2d55.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 4 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	166605e058401e33ddd9ffda911595ee93bf0f4b04b088f2d82898752cac2d55.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	look2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3692	166605e058401e33ddd9ffda911595ee93bf0f4b04b088f2d82898752cac2d55.exe
3692	166605e058401e33ddd9ffda911595ee93bf0f4b04b088f2d82898752cac2d55.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 4320	3692	166605e058401e33ddd9ffda911595ee93bf0f4b04b088f2d82898752cac2d55.exe	89
PID 1236 wrote to memory of 4904	1236	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\166605e058401e33ddd9ffda911595ee93bf0f4b04b088f2d82898752cac2d55.exe
"C:\Users\Admin\AppData\Local\Temp\166605e058401e33ddd9ffda911595ee93bf0f4b04b088f2d82898752cac2d55.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3692
- 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:4320

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:1512

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:1236
- C:\Windows\SysWOW64\svchcst.exe
  C:\Windows\system32\svchcst.exe "c:\windows\system32\240732875.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4904

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k "svchcst"
1⤵
PID:3216

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_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.2MB
SHA256 166605e058401e33ddd9ffda911595ee93bf0f4b04b088f2d82898752cac2d55
MD5 d63920b9dca9a59678187cedb161e58d
SHA1 682eff0f99df873005757b717049bbac41f26163
SHA512 0f3dacbaf82565e2f48fc43ccd2df651958860129b6c24f06b8fad195fbc2731b8f7516d5cbe41da6798b32a1045cbba3e002e88026f67d741337a8eded8850a
SSDEEP 24576:LYFbkIsaPiXSVnC7Yp9zkNmZG8RRln0yzC2j1:LYREXSVMDi3X1
TLSH
T12245BF93BEA284F1C6451430BCA7677ED5779F410F12CA87939AFE2C6D32141A63B236
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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240732875.bat

Path C:\Windows\SysWOW64\240732875.bat
Size 51KB
SHA256 ac1deab1794f60f820290b3e863982c6dd6eda1a72a62ffc4d10ba3de3ef1b76
MD5 8515e9edbd04e9fba497aa7d8e9fc9b0
SHA1 cea9aafa193be54254d5a0e5adf226305cd7c6f5
SHA512 7223ac952fcddcf33cca0890175f8df14333e98158c7020f698abf4b4294f076bb7a7fc4fe8fad63dd25d261a5b261440dd31445b9c3928a34af74848cf185ee
SSDEEP 1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLrJYH5:1dWubF3n9S91BF3fbo/JYH5
TLSH
T19F333A02EE8D88F5F145177038AA33B6953ABDE036996A931F53DDA5C87B370F12D242
MD5 SHA1 SHA512 SSDEEP TLSH

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svchcst.exe

Path C:\Windows\SysWOW64\svchcst.exe
Size 51KB
SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
MD5 2e068ce2770fde8d1af4cb114b98df1f
SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
TLSH
T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
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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