38a539dd90042af76989406f66a1715d484860421fc51fc1fb4b50c34218d72b

General

Target

ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Size

137KB
MD5

ae0bcb55f064769ff97ace7617bdf901
SHA1

216f5a0e8ed69bc19de017b8628e72bdb06cc14b
SHA256

38a539dd90042af76989406f66a1715d484860421fc51fc1fb4b50c34218d72b
SHA512

6a7cb411137e1373f23e74058882e14c8f6189eba426a13893ea80112bfd041a5e8d3c67bf7090658955a41743bd4ef5eb58db931b2583b71557998f81ffb610
SSDEEP

1536:/sDGQLphzQHUyRPkN2HpuP7HIPe5MQVgd54vZwk:TQL/bCrwIPe5ML7Kwk

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.exe	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.exe	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2948	cssrs.exe
2216	cssrs.exe

Loads dropped DLL 4 IoCs

pid	Process
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.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\TINTIMG = "C:\\Users\\Admin\\AppData\\Roaming\\cssrs.exe"	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.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	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cssrs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cssrs.exe

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\AboutURLs\Tabs = "http://www.114116.info"	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://www.114116.info"	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.114116.info"	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\AboutURLs	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\AboutURLs\Tabs = "http://www.114116.info"	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\AboutURLs\blank = "http://www.114116.info"	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\AboutURLs	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\AboutURLs\blank = "http://www.114116.info"	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://www.114116.info"	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.114116.info"	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.exe	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2948	cssrs.exe
2216	cssrs.exe
2216	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe
2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
2948	cssrs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2948	2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe	29
PID 2508 wrote to memory of 2948	2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe	29
PID 2508 wrote to memory of 2948	2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe	29
PID 2508 wrote to memory of 2948	2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe	29
PID 2508 wrote to memory of 2216	2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe	30
PID 2508 wrote to memory of 2216	2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe	30
PID 2508 wrote to memory of 2216	2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe	30
PID 2508 wrote to memory of 2216	2508	ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ae0bcb55f064769ff97ace7617bdf901_JaffaCakes118.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Users\Admin\AppData\Roaming\cssrs.exe
  C:\Users\Admin\AppData\Roaming\cssrs.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2948
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2216

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

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

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:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cssrs.exe

Filesize
137KB

MD5
ae0bcb55f064769ff97ace7617bdf901

SHA1
216f5a0e8ed69bc19de017b8628e72bdb06cc14b

SHA256
38a539dd90042af76989406f66a1715d484860421fc51fc1fb4b50c34218d72b

SHA512
6a7cb411137e1373f23e74058882e14c8f6189eba426a13893ea80112bfd041a5e8d3c67bf7090658955a41743bd4ef5eb58db931b2583b71557998f81ffb610

Download Submit
memory/2216-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2216-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2508-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2508-13-0x0000000000230000-0x0000000000259000-memory.dmp

Filesize
164KB

Download
memory/2508-22-0x0000000000230000-0x0000000000259000-memory.dmp

Filesize
164KB

Download
memory/2508-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2508-26-0x0000000000230000-0x0000000000259000-memory.dmp

Filesize
164KB

Download
memory/2948-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2948-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads