gh0strat | 7752ef663aa3762d50a24f00d466c58c6ad3a02be1f5c242a8652d09423cc23d

General

Target

JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe
Size

159KB
MD5

4d6ec725a10527f6591566f1c819bba2
SHA1

e804c3704d926664c396a62c9e02c39087f1a53b
SHA256

7752ef663aa3762d50a24f00d466c58c6ad3a02be1f5c242a8652d09423cc23d
SHA512

fad1e31f0d4289c302e4c74e866f1ad7a941422395843c05db671ebc9a544bba76a3c1ccbfc74b52273dcd6dd80acd42b65c9ef16428f7a98c0ee577ae65ebeb
SSDEEP

3072:foUGzRVHgCcnV5j9j0lvil2NnGfNGHqRy1zkeS1FpTa3q5tJHM:nGzRxSVtp0l6whGfsKR+zkBpTaa5tJHM

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2356-12-0x0000000000400000-0x00000000004F0000-memory.dmp	family_gh0strat
behavioral1/memory/2356-11-0x0000000000400000-0x00000000004F0000-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

Executes dropped EXE 1 IoCs

pid	Process
2356	(null)0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe"	JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2492-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/files/0x0009000000016df8-10.dat	upx
behavioral1/files/0x000c000000012280-1.dat	upx
behavioral1/memory/2356-12-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/2356-11-0x0000000000400000-0x00000000004F0000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe
File opened for modification	\??\c:\Windows\BJ.exe	JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe
File created	\??\c:\Windows\(null)0.exe	JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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_4d6ec725a10527f6591566f1c819bba2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	(null)0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2356	2492	JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe	31
PID 2492 wrote to memory of 2356	2492	JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe	31
PID 2492 wrote to memory of 2356	2492	JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe	31
PID 2492 wrote to memory of 2356	2492	JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d6ec725a10527f6591566f1c819bba2.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2492
- \??\c:\Windows\(null)0.exe
  c:\Windows\(null)0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\(null)0.exe

Filesize
159KB

MD5
4d6ec725a10527f6591566f1c819bba2

SHA1
e804c3704d926664c396a62c9e02c39087f1a53b

SHA256
7752ef663aa3762d50a24f00d466c58c6ad3a02be1f5c242a8652d09423cc23d

SHA512
fad1e31f0d4289c302e4c74e866f1ad7a941422395843c05db671ebc9a544bba76a3c1ccbfc74b52273dcd6dd80acd42b65c9ef16428f7a98c0ee577ae65ebeb

Download Submit
C:\Windows\BJ.exe

Filesize
159KB

MD5
e14252e465c60580931c91c6461c736b

SHA1
ad63c41e3f4bad1b881451e00bfd87499695d6fc

SHA256
a58b5f6aa7c531247e6f2d819ff9a341a099273082ac22815f2bf43a2ad1dcbe

SHA512
3b3f05e0b7081986a21699056958c207df4a120d43e7a8a03505f49ad92e1abeea5d25fc857420d3452678eea5c5d0fa2ea4a2e81480a6224b78a56f4d353dda

Download Submit
memory/2356-12-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2356-11-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2492-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/2492-9-0x0000000002800000-0x00000000028F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads