gh0strat | 829567da24356078abb1ff8beb1b53e460cb4f1d67fab2b1d605912b8b7c438c

Analysis

max time kernel
150s
max time network
113s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
26-02-2023 18:59

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General

Target

6378a3a153dba78e21c4d7f96d4dfec0.exe
Size

32KB
MD5

6378a3a153dba78e21c4d7f96d4dfec0
SHA1

a5cd66f84195cdd90362c62746cfefeddc49ed6b
SHA256

829567da24356078abb1ff8beb1b53e460cb4f1d67fab2b1d605912b8b7c438c
SHA512

b320eb7f68a619d62dbe6a83b27cea5770319bc986dcf0a2344f9dc01a18b91af0be173c1d526c1fcbb43d9a91dd787f3a800a3a5ecb68fb4df66ca55ea8ccb2
SSDEEP

768:zkw/iOWTK3JWhOM/qZh7UJGcZ/iGUOnbcuyD7U7s9:/QK52fqZSIA6GUOnouy87s9

Score

10^/10

gh0strat persistence rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x000500000000b46e-55.dat	family_gh0strat
behavioral1/files/0x000500000000b46e-57.dat	family_gh0strat
behavioral1/files/0x000500000000b46e-58.dat	family_gh0strat
behavioral1/memory/1512-60-0x0000000000400000-0x0000000000420000-memory.dmp	family_gh0strat
behavioral1/memory/1512-61-0x0000000000400000-0x0000000000420000-memory.dmp	family_gh0strat
behavioral1/files/0x000500000000b46e-66.dat	family_gh0strat
behavioral1/files/0x000500000000b46e-67.dat	family_gh0strat
behavioral1/files/0x000500000000b46e-68.dat	family_gh0strat
behavioral1/files/0x000500000000b46e-70.dat	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

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\serivces\Parameters\ServiceDll = "C:\\Windows\\system32\\7082086.dll"	6378a3a153dba78e21c4d7f96d4dfec0.exe

Deletes itself 1 IoCs

pid	Process
2044	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
580	serivces.exe

Loads dropped DLL 7 IoCs

pid	Process
1512	6378a3a153dba78e21c4d7f96d4dfec0.exe
624	svchost.exe
624	svchost.exe
580	serivces.exe
580	serivces.exe
580	serivces.exe
580	serivces.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1512-60-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/1512-61-0x0000000000400000-0x0000000000420000-memory.dmp	upx

Creates a Windows Service
persistence

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\7082086.dll	6378a3a153dba78e21c4d7f96d4dfec0.exe
File created	C:\Windows\SysWOW64\serivces.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\serivces.exe	svchost.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
524	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1512	6378a3a153dba78e21c4d7f96d4dfec0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1512	6378a3a153dba78e21c4d7f96d4dfec0.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1512	6378a3a153dba78e21c4d7f96d4dfec0.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 2044	1512	6378a3a153dba78e21c4d7f96d4dfec0.exe	30
PID 1512 wrote to memory of 2044	1512	6378a3a153dba78e21c4d7f96d4dfec0.exe	30
PID 1512 wrote to memory of 2044	1512	6378a3a153dba78e21c4d7f96d4dfec0.exe	30
PID 1512 wrote to memory of 2044	1512	6378a3a153dba78e21c4d7f96d4dfec0.exe	30
PID 2044 wrote to memory of 524	2044	cmd.exe	32
PID 2044 wrote to memory of 524	2044	cmd.exe	32
PID 2044 wrote to memory of 524	2044	cmd.exe	32
PID 2044 wrote to memory of 524	2044	cmd.exe	32
PID 624 wrote to memory of 580	624	svchost.exe	33
PID 624 wrote to memory of 580	624	svchost.exe	33
PID 624 wrote to memory of 580	624	svchost.exe	33
PID 624 wrote to memory of 580	624	svchost.exe	33

C:\Users\Admin\AppData\Local\Temp\6378a3a153dba78e21c4d7f96d4dfec0.exe
"C:\Users\Admin\AppData\Local\Temp\6378a3a153dba78e21c4d7f96d4dfec0.exe"
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\6378a3a153dba78e21c4d7f96d4dfec0.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:524

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "serivces"
1⤵
PID:852

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "serivces"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:624
- C:\Windows\SysWOW64\serivces.exe
  C:\Windows\system32\serivces.exe "c:\windows\system32\7082086.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\serivces.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Windows\SysWOW64\serivces.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\??\c:\windows\SysWOW64\7082086.dll

Filesize
37KB

MD5
930fe8d5aca539f7b32d2bd1b0bffcff

SHA1
2061bb9069cef64c98da6339b82d356a5991415c

SHA256
56d548aed25b26a26990a4985272fd466bc44b67fd6269d6af3f7e7c2ae7b1a5

SHA512
aac894efb15048b47995faec9c26171508142374e1e032d183dc17eae88d56e92c4a1c85c024b60e0db97c7699f54e2640f071aa1655f863143a2d9be81055f5

Download Submit
\Windows\SysWOW64\7082086.dll

Filesize
37KB

MD5
930fe8d5aca539f7b32d2bd1b0bffcff

SHA1
2061bb9069cef64c98da6339b82d356a5991415c

SHA256
56d548aed25b26a26990a4985272fd466bc44b67fd6269d6af3f7e7c2ae7b1a5

SHA512
aac894efb15048b47995faec9c26171508142374e1e032d183dc17eae88d56e92c4a1c85c024b60e0db97c7699f54e2640f071aa1655f863143a2d9be81055f5

Download Submit
\Windows\SysWOW64\7082086.dll

Filesize
37KB

MD5
930fe8d5aca539f7b32d2bd1b0bffcff

SHA1
2061bb9069cef64c98da6339b82d356a5991415c

SHA256
56d548aed25b26a26990a4985272fd466bc44b67fd6269d6af3f7e7c2ae7b1a5

SHA512
aac894efb15048b47995faec9c26171508142374e1e032d183dc17eae88d56e92c4a1c85c024b60e0db97c7699f54e2640f071aa1655f863143a2d9be81055f5

Download Submit
\Windows\SysWOW64\7082086.dll

Filesize
37KB

MD5
930fe8d5aca539f7b32d2bd1b0bffcff

SHA1
2061bb9069cef64c98da6339b82d356a5991415c

SHA256
56d548aed25b26a26990a4985272fd466bc44b67fd6269d6af3f7e7c2ae7b1a5

SHA512
aac894efb15048b47995faec9c26171508142374e1e032d183dc17eae88d56e92c4a1c85c024b60e0db97c7699f54e2640f071aa1655f863143a2d9be81055f5

Download Submit
\Windows\SysWOW64\7082086.dll

Filesize
37KB

MD5
930fe8d5aca539f7b32d2bd1b0bffcff

SHA1
2061bb9069cef64c98da6339b82d356a5991415c

SHA256
56d548aed25b26a26990a4985272fd466bc44b67fd6269d6af3f7e7c2ae7b1a5

SHA512
aac894efb15048b47995faec9c26171508142374e1e032d183dc17eae88d56e92c4a1c85c024b60e0db97c7699f54e2640f071aa1655f863143a2d9be81055f5

Download Submit
\Windows\SysWOW64\7082086.dll

Filesize
37KB

MD5
930fe8d5aca539f7b32d2bd1b0bffcff

SHA1
2061bb9069cef64c98da6339b82d356a5991415c

SHA256
56d548aed25b26a26990a4985272fd466bc44b67fd6269d6af3f7e7c2ae7b1a5

SHA512
aac894efb15048b47995faec9c26171508142374e1e032d183dc17eae88d56e92c4a1c85c024b60e0db97c7699f54e2640f071aa1655f863143a2d9be81055f5

Download Submit
\Windows\SysWOW64\7082086.dll

Filesize
37KB

MD5
930fe8d5aca539f7b32d2bd1b0bffcff

SHA1
2061bb9069cef64c98da6339b82d356a5991415c

SHA256
56d548aed25b26a26990a4985272fd466bc44b67fd6269d6af3f7e7c2ae7b1a5

SHA512
aac894efb15048b47995faec9c26171508142374e1e032d183dc17eae88d56e92c4a1c85c024b60e0db97c7699f54e2640f071aa1655f863143a2d9be81055f5

Download Submit
\Windows\SysWOW64\serivces.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1512-60-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1512-61-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download