gh0strat | 1bbae3f8902799dcf08e8cfc3f2e414fa15a28150cf7b64135d25db678845c1f

General

Target

JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe
Size

146KB
MD5

486e58d40b4bdf2abbdceb6f59c1d37c
SHA1

ac9da00bf6fd2918ddec303dc601a78048835fc4
SHA256

1bbae3f8902799dcf08e8cfc3f2e414fa15a28150cf7b64135d25db678845c1f
SHA512

aa90078e06efacf40a6dd82c66091617738e2ff99c27ab260f38abb0f25992a52cfed0770cb153b83fb0d9f3e1948487693e46a4c13bfc502cd0fc88cb195ea1
SSDEEP

3072:QhPyIdvcRrUWyQY0qbicrELkJjKyjffEV6rfPjc:IPyI5cru9iyAkJOCw3

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/712-0-0x0000000000400000-0x0000000000426000-memory.dmp	family_gh0strat
behavioral2/files/0x000d00000001e6a2-14.dat	family_gh0strat
behavioral2/memory/712-15-0x0000000000400000-0x0000000000426000-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
Gh0strat 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\11\Parameters\ServiceDll = "C:\\Windows\\System32\\2dj.dll"	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe

Deletes itself 1 IoCs

pid	Process
684	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	setup.exe

Loads dropped DLL 1 IoCs

pid	Process
684	svchost.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\setup.exe	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe
File opened for modification	C:\Windows\SysWOW64\2dj.dll	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe
File created	C:\Windows\SysWOW64\vkeysky.sys	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe
File created	C:\Windows\SysWOW64\vkeysky.inf	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe
File created	C:\Windows\SysWOW64\exeinput.exe	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\INF\setupapi.dev.log	setup.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	setup.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID	setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	setup.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID	setup.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeBackupPrivilege	712	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe
Token: SeRestorePrivilege	712	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 2920	712	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe	86
PID 712 wrote to memory of 2920	712	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe	86
PID 712 wrote to memory of 2920	712	JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_486e58d40b4bdf2abbdceb6f59c1d37c.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:712
- C:\Windows\SysWOW64\setup.exe
  C:\Windows\System32\setup.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Checks SCSI registry key(s)
  PID:2920

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:684

Network

MITRE ATT&CK Enterprise v15

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

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\setup.exe

Filesize
8KB

MD5
3d2edb1d4cc2e228d6eb82f688ecf87a

SHA1
8dc35657713351c5c1acae6d5fda5ed209da3b45

SHA256
2b450501f425994490f7a43ea1ba8bd3acb9a3a8dcc0caaea63e5883940e00a3

SHA512
ca54b11c95e752bc6c001d1455fe8d40349cfe661d2d9e71b5afd4a96fac171926f6f78885a732514234d0ba4f7f5b9fbb38a5455289366714ee1c564b26c65b

Download Submit
\??\c:\windows\SysWOW64\2dj.dll

Filesize
26.1MB

MD5
308991f40a9463e5e862f1091bd6200d

SHA1
0d71727ace1b52c072c1318d90448ff059888ad7

SHA256
ff21d347a9131c3262b3a59f9568e268a882d6fb7cdefa8129d607d5bd155c5f

SHA512
86219170fafd7235b5e7f810db08b0f2139b6722e31e44aa80539843e6c93d6a96735c8a051325d5886708b3b3742ae6ca1e1f7891e5511f9c79cce1d7491bd1

Download Submit
memory/712-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/712-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2920-10-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/2920-12-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2920-13-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download

Analysis

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