gh0strat | 0e9bd4743b69aaac4b19f802900a119c94b5fe8479fbfaf24d5e40584920ede3

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2024, 02:08

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General

Target
c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105.exe
Size 60KB
Sample240614-ckmdps1fpd
SHA256 c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105
MD5 90d83bbad8110780e90b8f0beab172f9
SHA1 0ced0e716b07945787bf78ae6296a5f24bfdbe59
SHA512 92d4a6697644925176852c2b43bf297b16afadc2a993c135b5aa9df3c74a280bfb7cde883c6bf5c8b06202ff55168997dcf89ef2e791a3aeaca3cb09b6ac7707
SSDEEP 768:3e1iZNbQAKrWGOkGQeN70ZqL378KBBmbUt4i:36iZNer5GQvkUath
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral2/memory/3872-9-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/3872-8-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/3872-11-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/2800-24-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/2800-25-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/2800-23-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/2504-30-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/2504-32-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/2504-31-0x0000000010000000-0x000000001034B000-memory.dmp	family_gh0strat
behavioral2/memory/2504-45-0x0000000010000000-0x000000001034B000-memory.dmp	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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105.exe

Deletes itself 1 IoCs

pid	Process
732	conhostdhfw.exe

Executes dropped EXE 4 IoCs

pid	Process
2800	conhostdhfw.exe
2504	conhostdhfw.exe
2712	conhostdhfw.exe
732	conhostdhfw.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3872-9-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/3872-8-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/3872-11-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/3872-6-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/2800-20-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/2800-24-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/2800-25-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/2800-23-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/2504-30-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/2504-27-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/2504-32-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/2504-31-0x0000000010000000-0x000000001034B000-memory.dmp	upx
behavioral2/memory/2504-45-0x0000000010000000-0x000000001034B000-memory.dmp	upx

Drops file in System32 directory 16 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3FE2BD01AB6BC312BF0DADE7F797388F_896832C6BC857CFAEA9E59E166B13E2C	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_786387CC77858B88BA3234B304062475	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0DA515F703BB9B49479E8697ADB0B955_786387CC77858B88BA3234B304062475	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3FE2BD01AB6BC312BF0DADE7F797388F_896832C6BC857CFAEA9E59E166B13E2C	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AD5F118F7897046E8CA970AE6A6AB70B_D2FDAF9311DEB8FADA8D338E3BD2071D	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CF14D1855652602540DFCFECD21854DB_71F4740D37287A91812B9479338ACF24	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CF14D1855652602540DFCFECD21854DB_71F4740D37287A91812B9479338ACF24	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	conhostdhfw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AD5F118F7897046E8CA970AE6A6AB70B_D2FDAF9311DEB8FADA8D338E3BD2071D	conhostdhfw.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Windows NT\conhostdhfw.exe	c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105.exe
File created	C:\Program Files\AppPatch\8.77.dll	c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105.exe
File opened for modification	C:\Program Files\AppPatch\8.77.dll	c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105.exe
File created	C:\Program Files (x86)\Windows NT\conhostdhfw.exe	c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4556	2504	WerFault.exe	85

Modifies data under HKEY_USERS 16 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software	conhostdhfw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	conhostdhfw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	conhostdhfw.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	conhostdhfw.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	conhostdhfw.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	conhostdhfw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	conhostdhfw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	conhostdhfw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	conhostdhfw.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	conhostdhfw.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	conhostdhfw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	conhostdhfw.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	conhostdhfw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	conhostdhfw.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	conhostdhfw.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	conhostdhfw.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	conhostdhfw.exe
Token: SeDebugPrivilege	2504	conhostdhfw.exe
Token: SeDebugPrivilege	732	conhostdhfw.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 2800	3872	c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105.exe	84
PID 3872 wrote to memory of 2800	3872	c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105.exe	84
PID 3872 wrote to memory of 2800	3872	c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105.exe	84
PID 2504 wrote to memory of 2712	2504	conhostdhfw.exe	86
PID 2504 wrote to memory of 2712	2504	conhostdhfw.exe	86
PID 2504 wrote to memory of 2712	2504	conhostdhfw.exe	86
PID 2504 wrote to memory of 732	2504	conhostdhfw.exe	87
PID 2504 wrote to memory of 732	2504	conhostdhfw.exe	87
PID 2504 wrote to memory of 732	2504	conhostdhfw.exe	87

C:\Users\Admin\AppData\Local\Temp\c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105.exe
"C:\Users\Admin\AppData\Local\Temp\c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Program Files (x86)\Windows NT\conhostdhfw.exe
  "C:\Program Files (x86)\Windows NT\conhostdhfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2800

C:\Program Files (x86)\Windows NT\conhostdhfw.exe
"C:\Program Files (x86)\Windows NT\conhostdhfw.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Program Files (x86)\Windows NT\conhostdhfw.exe
  "C:\Program Files (x86)\Windows NT\conhostdhfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2712
- C:\Program Files (x86)\Windows NT\conhostdhfw.exe
  "C:\Program Files (x86)\Windows NT\conhostdhfw.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 564
  2⤵
  - Program crash
  PID:4556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2504 -ip 2504
1⤵
PID:3344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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conhostdhfw.exe

Path C:\Program Files (x86)\Windows NT\conhostdhfw.exe
Size 60KB
SHA256 c28770a88ad997d80ca6f461893cd6f032f614a43c449f21e73df15e8a843105
MD5 90d83bbad8110780e90b8f0beab172f9
SHA1 0ced0e716b07945787bf78ae6296a5f24bfdbe59
SHA512 92d4a6697644925176852c2b43bf297b16afadc2a993c135b5aa9df3c74a280bfb7cde883c6bf5c8b06202ff55168997dcf89ef2e791a3aeaca3cb09b6ac7707
SSDEEP 768:3e1iZNbQAKrWGOkGQeN70ZqL378KBBmbUt4i:36iZNer5GQvkUath
MD5 SHA1 SHA512 SSDEEP

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8.77.dll

Path C:\Program Files\AppPatch\8.77.dll
Size 240KB
SHA256 cdabc33a27b23c2060637193a4cbad94e16d31e6a4df7d67bdc6b63c1d056b30
MD5 0a74e0bffbce3cc5466796739cfdeb44
SHA1 c3b50df0a1de18b7053bff1b0293f5512f824055
SHA512 9fb4f39d95820f63da2d8767b76f317c512a8db1b86428f04baf4b163d0deaee5c4726c9f66807a3b1c223d575557fabc88e0cde73a4561b304f6edd76b8cc36
SSDEEP 6144:E1w+HzW2d3ivIkXcRlfW08ALYmvI+7m5WMq:1+HzJd3gBifoALfI+i9q
MD5 SHA1 SHA512 SSDEEP

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memory/2504-45-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/2504-31-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/2504-32-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/2504-27-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/2504-30-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/2800-23-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/2800-25-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/2800-24-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/2800-20-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/3872-6-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/3872-11-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/3872-8-0x0000000010000000-0x000000001034B000-memory.dmp

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memory/3872-9-0x0000000010000000-0x000000001034B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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