ebcc1b2a65ebaf2cb024c901b1c37f51f9be4c1dd80a1fbe16806f640b0425a8

General

Target

9397a55f922d1a6e3ffcd118ddf13f11_JaffaCakes118.exe
Size

26KB
MD5

9397a55f922d1a6e3ffcd118ddf13f11
SHA1

913ac533cc65804c4a1010ea054c04d4dcb42666
SHA256

ebcc1b2a65ebaf2cb024c901b1c37f51f9be4c1dd80a1fbe16806f640b0425a8
SHA512

c716e40ad39acdb2e512873228bd6e2d23562417b1323d482147d9fff952ec9340ae7376ab89c16282069c044b6a7b6477e81724ff64fbf53a687548bdc78be7
SSDEEP

384:qhK1RwkOWUe5JJO7BaM24okHygooHIYcpG9v6aDcpjZ7q:qhiRbOpEPABp2R2yvofcEJupd7

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	9397a55f922d1a6e3ffcd118ddf13f11_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2964	winlogon.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4340-35-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4340-37-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4340-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4340-42-0x0000000000400000-0x000000000040B000-memory.dmp	upx

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\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Logon Applicationedc = "C:\\Users\\Admin\\winlogon.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2964 set thread context of 4340	2964	winlogon.exe	90

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	9397a55f922d1a6e3ffcd118ddf13f11_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
5072	9397a55f922d1a6e3ffcd118ddf13f11_JaffaCakes118.exe
2964	winlogon.exe
4340	svchost.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 2964	5072	9397a55f922d1a6e3ffcd118ddf13f11_JaffaCakes118.exe	87
PID 5072 wrote to memory of 2964	5072	9397a55f922d1a6e3ffcd118ddf13f11_JaffaCakes118.exe	87
PID 5072 wrote to memory of 2964	5072	9397a55f922d1a6e3ffcd118ddf13f11_JaffaCakes118.exe	87
PID 2964 wrote to memory of 4340	2964	winlogon.exe	90
PID 2964 wrote to memory of 4340	2964	winlogon.exe	90
PID 2964 wrote to memory of 4340	2964	winlogon.exe	90
PID 2964 wrote to memory of 4340	2964	winlogon.exe	90
PID 2964 wrote to memory of 4340	2964	winlogon.exe	90
PID 2964 wrote to memory of 4340	2964	winlogon.exe	90
PID 2964 wrote to memory of 4340	2964	winlogon.exe	90
PID 2964 wrote to memory of 4340	2964	winlogon.exe	90

C:\Users\Admin\AppData\Local\Temp\9397a55f922d1a6e3ffcd118ddf13f11_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9397a55f922d1a6e3ffcd118ddf13f11_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Users\Admin\winlogon.exe
  "C:\Users\Admin\winlogon.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4340

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

Query Registry

1

T1012

System Information Discovery

2

T1082

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\winlogon.exe

Filesize
26KB

MD5
9397a55f922d1a6e3ffcd118ddf13f11

SHA1
913ac533cc65804c4a1010ea054c04d4dcb42666

SHA256
ebcc1b2a65ebaf2cb024c901b1c37f51f9be4c1dd80a1fbe16806f640b0425a8

SHA512
c716e40ad39acdb2e512873228bd6e2d23562417b1323d482147d9fff952ec9340ae7376ab89c16282069c044b6a7b6477e81724ff64fbf53a687548bdc78be7

Download Submit
memory/4340-35-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4340-37-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4340-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4340-42-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads