gh0strat | 5d176047bf863b5efbc3da771af58acba1a59f933807aec5bc0929e71822e7a8

General

Target

160f0df132f7ef72bb0925d66fc9fc7f_JaffaCakes118.exe
Size

96KB
MD5

160f0df132f7ef72bb0925d66fc9fc7f
SHA1

508c55d6ff391df0b4e4efdd7786bdaffd10a23d
SHA256

5d176047bf863b5efbc3da771af58acba1a59f933807aec5bc0929e71822e7a8
SHA512

15c764d6aca16fcb01d8fbe8a9a3944643ada7a739a9fab1102729451e49efbb3750b8fd258fd96fad5b786ff93aa6c89b0bde0d0f8e4e12ee29af9973d6cf6e
SSDEEP

1536:8uFusSx9qYMhdFHS8qdydo3nTzhYxJA+CwNUtBZVY9v8przeoobQdbNcO0sJ:8US4jHS8q/3nTzePCwNUh4E9zeoVPWsJ

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014342-20.dat	family_gh0strat
behavioral1/memory/1628-22-0x0000000000400000-0x000000000044E360-memory.dmp	family_gh0strat
behavioral1/memory/2908-25-0x0000000020000000-0x0000000020027000-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

Deletes itself 1 IoCs

pid	Process
1628	fhdtrjebvr

Executes dropped EXE 1 IoCs

pid	Process
1628	fhdtrjebvr

Loads dropped DLL 3 IoCs

pid	Process
1700	160f0df132f7ef72bb0925d66fc9fc7f_JaffaCakes118.exe
1700	160f0df132f7ef72bb0925d66fc9fc7f_JaffaCakes118.exe
2908	svchost.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lhdnetocrp	svchost.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1628	fhdtrjebvr
2908	svchost.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeRestorePrivilege	1628	fhdtrjebvr
Token: SeBackupPrivilege	1628	fhdtrjebvr
Token: SeBackupPrivilege	1628	fhdtrjebvr
Token: SeRestorePrivilege	1628	fhdtrjebvr
Token: SeBackupPrivilege	2908	svchost.exe
Token: SeBackupPrivilege	2908	svchost.exe
Token: SeRestorePrivilege	2908	svchost.exe
Token: SeSecurityPrivilege	2908	svchost.exe
Token: SeSecurityPrivilege	2908	svchost.exe
Token: SeBackupPrivilege	2908	svchost.exe
Token: SeBackupPrivilege	2908	svchost.exe
Token: SeSecurityPrivilege	2908	svchost.exe
Token: SeBackupPrivilege	2908	svchost.exe
Token: SeBackupPrivilege	2908	svchost.exe
Token: SeSecurityPrivilege	2908	svchost.exe
Token: SeBackupPrivilege	2908	svchost.exe
Token: SeRestorePrivilege	2908	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 1628	1700	160f0df132f7ef72bb0925d66fc9fc7f_JaffaCakes118.exe	28
PID 1700 wrote to memory of 1628	1700	160f0df132f7ef72bb0925d66fc9fc7f_JaffaCakes118.exe	28
PID 1700 wrote to memory of 1628	1700	160f0df132f7ef72bb0925d66fc9fc7f_JaffaCakes118.exe	28
PID 1700 wrote to memory of 1628	1700	160f0df132f7ef72bb0925d66fc9fc7f_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\160f0df132f7ef72bb0925d66fc9fc7f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\160f0df132f7ef72bb0925d66fc9fc7f_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1700
- \??\c:\users\admin\appdata\local\fhdtrjebvr
  "C:\Users\Admin\AppData\Local\Temp\160f0df132f7ef72bb0925d66fc9fc7f_JaffaCakes118.exe" a -sc:\users\admin\appdata\local\temp\160f0df132f7ef72bb0925d66fc9fc7f_jaffacakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1628

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\??\c:\programdata\application data\storm\update\%sessionname%\ybkex.cc3

Filesize
24.1MB

MD5
d70fe00518eab30b33fa60c818d34eeb

SHA1
f08daa918971c094f592d775aed494152b1c780a

SHA256
e418bf393a1aa3d1893ccd7ac9e3851e75c1f590051a757f414b7a015831c1ba

SHA512
72da415029bee62e79e9f5e0dc9e59796eee607b66ced3a010d19831d18df65207b0dc8098ea8522488fb0b2c283155a11bc92a5fd74b1c6750913bd0f312ba7

Download Submit
\Users\Admin\AppData\Local\fhdtrjebvr

Filesize
19.5MB

MD5
e2bbf64533a5e4abd4716195d5c7c4cc

SHA1
0e9c7e53eaa57cbbb2dc3168e85c75047623832c

SHA256
9fdc27b2f47dbcea84922ef49d1dd575b16dfc4c9bb503a4c361039961122e33

SHA512
40dfd6e263f6e8fb2ad24a8a3a470c98c3e824b84fb00edb9789f4d28fd1fd91380a50724b7afd22f962170e44a98592a4daf88096a5cca454f8609275aeda26

Download Submit
memory/1628-17-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/1628-16-0x0000000000400000-0x000000000044E360-memory.dmp

Filesize
312KB

Download
memory/1628-22-0x0000000000400000-0x000000000044E360-memory.dmp

Filesize
312KB

Download
memory/1700-1-0x0000000000400000-0x000000000044E360-memory.dmp

Filesize
312KB

Download
memory/1700-2-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/1700-6-0x0000000000230000-0x000000000027F000-memory.dmp

Filesize
316KB

Download
memory/1700-15-0x0000000000400000-0x000000000044E360-memory.dmp

Filesize
312KB

Download
memory/2908-23-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2908-25-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads