gh0strat | a5edb9b16066ce23ee708edb76a496ebe32d20638c3c7131893209fb615e9f06

General

Target

3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe
Size

206KB
MD5

3784650d6e2ee105f1b3d2ae90052e0a
SHA1

ce3f6b0056fca8b259eb118403153b7e3517c859
SHA256

a5edb9b16066ce23ee708edb76a496ebe32d20638c3c7131893209fb615e9f06
SHA512

180166b7ff303931a79f89432eb4586643bfcebcc6737c62f0152be2dd4f721aeebd31f5d590ecca026ba742b34e95c09a33b34cfd80f48d8b938eb9cc063ec5
SSDEEP

6144:lsIt6nWEQgBTyPRqyhYPbOcTBlhHrNndnkv0y:69WEQJq8YPbOcT3Ul

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/588-0-0x0000000000400000-0x0000000000434000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000012117-6.dat	family_gh0strat
behavioral1/memory/2796-11-0x0000000000400000-0x0000000000434000-memory.dmp	family_gh0strat
behavioral1/memory/588-12-0x0000000000400000-0x0000000000434000-memory.dmp	family_gh0strat
behavioral1/memory/2796-13-0x0000000000400000-0x0000000000434000-memory.dmp	family_gh0strat
behavioral1/files/0x0009000000016de1-16.dat	family_gh0strat
behavioral1/memory/2796-18-0x0000000000400000-0x0000000000434000-memory.dmp	family_gh0strat
behavioral1/memory/2416-20-0x0000000020000000-0x0000000020027000-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
2796	hirevnuotd

Executes dropped EXE 1 IoCs

pid	Process
2796	hirevnuotd

Loads dropped DLL 2 IoCs

pid	Process
588	3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe
2416	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\pselwyohyb	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
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	svchost.exe
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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2796	hirevnuotd
2416	svchost.exe
2416	svchost.exe
2416	svchost.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeRestorePrivilege	2796	hirevnuotd
Token: SeBackupPrivilege	2796	hirevnuotd
Token: SeBackupPrivilege	2796	hirevnuotd
Token: SeRestorePrivilege	2796	hirevnuotd
Token: SeBackupPrivilege	2416	svchost.exe
Token: SeRestorePrivilege	2416	svchost.exe
Token: SeBackupPrivilege	2416	svchost.exe
Token: SeBackupPrivilege	2416	svchost.exe
Token: SeSecurityPrivilege	2416	svchost.exe
Token: SeSecurityPrivilege	2416	svchost.exe
Token: SeBackupPrivilege	2416	svchost.exe
Token: SeBackupPrivilege	2416	svchost.exe
Token: SeSecurityPrivilege	2416	svchost.exe
Token: SeBackupPrivilege	2416	svchost.exe
Token: SeBackupPrivilege	2416	svchost.exe
Token: SeSecurityPrivilege	2416	svchost.exe
Token: SeBackupPrivilege	2416	svchost.exe
Token: SeRestorePrivilege	2416	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 588 wrote to memory of 2796	588	3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe	30
PID 588 wrote to memory of 2796	588	3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe	30
PID 588 wrote to memory of 2796	588	3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe	30
PID 588 wrote to memory of 2796	588	3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe	30
PID 588 wrote to memory of 2796	588	3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe	30
PID 588 wrote to memory of 2796	588	3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe	30
PID 588 wrote to memory of 2796	588	3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:588
- \??\c:\users\admin\appdata\local\hirevnuotd
  "C:\Users\Admin\AppData\Local\Temp\3784650d6e2ee105f1b3d2ae90052e0a_JaffaCakes118.exe" a -sc:\users\admin\appdata\local\temp\3784650d6e2ee105f1b3d2ae90052e0a_jaffacakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2796

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:2416

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\drm\%sessionname%\wmngt.cc3

Filesize
23.1MB

MD5
41ae7b5237f0c3a7a39fd57980b7f9b7

SHA1
dd59d74c737a842bd6298c1f9ab10ba83b4284e4

SHA256
23b1c1ba32f9087cc584f44367a75b52490adaf21448e1280d6ea3a31bcf8dfd

SHA512
8220a7e07fcda05e4e6b55da5e565e39c8e5c22335224dc75d51b5d53e7952e8d2993431efc48b01c632fe63efceb34bb21b07eee838dd7e36ad43e9b7bf75e2

Download Submit
\Users\Admin\AppData\Local\hirevnuotd

Filesize
20.7MB

MD5
b64f2aca3bedf8fcf9ddea0d608dce0a

SHA1
b294dd1838671bbfc2bc0817b3272abc2218fdcd

SHA256
169422a64005266ace7446c0b43e6eb921bc6ad6405db994ec0e3212d7cba990

SHA512
619463078c99c059ee05fede4de9f49c886b0c3ef4a7ba3fe264d0f0fa8041b7e37d7e1dfb6b50fc695e0d8353daf3f0efe6311849beee6d73adadf2e1a1608b

Download Submit
memory/588-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/588-2-0x00000000001C0000-0x00000000001F4000-memory.dmp

Filesize
208KB

Download
memory/588-3-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/588-1-0x00000000001C0000-0x00000000001F4000-memory.dmp

Filesize
208KB

Download
memory/588-12-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2416-19-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2416-20-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2796-11-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2796-13-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2796-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads