gh0strat | 326bac0597b0890823d3102b8a5b135d777a397a4d1f901bae4267bcc5e79865

General

Target

JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe
Size

127KB
MD5

31bfe9d3123aeb40de9d1b578027177b
SHA1

fd3d4d78d6db6a737e63a72a19213f0ccd138d31
SHA256

326bac0597b0890823d3102b8a5b135d777a397a4d1f901bae4267bcc5e79865
SHA512

30573dc8135e9c9c8d55594e8f9a99b8b6339959596d3e46f4ba54407653d11826946cde7d475c907e133b53cbaad62de6d5b2cc7e90fd87cb88498b9a3974db
SSDEEP

3072:yVreyQV9kNfu0l+B5eYm/CrD2GiEU/stCIMZhjLBK4k:yleyQb+20AB5K6uGHsstC/ZhnBK

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2108-0-0x0000000000400000-0x0000000000421000-memory.dmp	family_gh0strat
behavioral1/memory/2116-2-0x0000000000400000-0x0000000000421000-memory.dmp	family_gh0strat
behavioral1/memory/2116-7-0x0000000000400000-0x0000000000421000-memory.dmp	family_gh0strat
behavioral1/files/0x000b000000012029-6.dat	family_gh0strat
behavioral1/memory/2108-9-0x0000000000400000-0x0000000000421000-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\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\System32\\FastUserSwitchingCompatibility.exe"	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe

Loads dropped DLL 1 IoCs

pid	Process
1592	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.exe	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	svchost.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_31bfe9d3123aeb40de9d1b578027177b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}\WpadNetworkName = "Network 3"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}\WpadDecisionReason = "1"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}\4e-d0-df-bd-58-ae	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-d0-df-bd-58-ae\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00df000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}\WpadDecisionTime = 202ab8a39d89db01	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}\WpadDecision = "0"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-d0-df-bd-58-ae\WpadDecisionTime = 202ab8a39d89db01	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-d0-df-bd-58-ae	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4e-d0-df-bd-58-ae\WpadDecision = "0"	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2116	2108	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe	30
PID 2108 wrote to memory of 2116	2108	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe	30
PID 2108 wrote to memory of 2116	2108	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe	30
PID 2108 wrote to memory of 2116	2108	JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31bfe9d3123aeb40de9d1b578027177b.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2116

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1592

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

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\fastuserswitchingcompatibility.exe

Filesize
95KB

MD5
b502f7fe9f34c3720916b1e17d50ee9d

SHA1
5af40bfae0cbe88bb633e84d77479174b7ffadf6

SHA256
52f8d6cd6d4fda129f809db4c0f99f80e73804a8c487c3add8d2183c95d8c1ad

SHA512
1af514fbf6d1782e0fc97b24b4593d2b2dafa8c7172c2b5d26f7af8dc69d518e08b9b7b22f18e98a3500f4cfae7811bdbb50c93e98c314467e1562a6e712d8cb

Download Submit
memory/2108-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2108-1-0x0000000000220000-0x0000000000241000-memory.dmp

Filesize
132KB

Download
memory/2108-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2116-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2116-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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