5f923280a785a685993101788b40c9222c09e9a4c5f63744b2042e1c7f2266c9

General

Target

59def54400855957abf2516049d41010_JaffaCakes118.exe
Size

63KB
MD5

59def54400855957abf2516049d41010
SHA1

2c8389318df526dab0e98a9d7fdf11fc74310a38
SHA256

5f923280a785a685993101788b40c9222c09e9a4c5f63744b2042e1c7f2266c9
SHA512

fdadc1fcf3992e8172818e380d110406c8e692e86cfad564d6e05b0509c3a42c3e2a4e85c54598a3c54634aeea831e777139f3397372884020d71d0fef26ee54
SSDEEP

384:JwdJ27fh9rpbADHXqoJ6jFMWHZf7tJ5mij6olHF1iCOs/WPNQAn:JA2D1sbqoJ6jWWH9vZ6VRKWPNHn

Score

10^/10

evasion spyware stealer upx

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	59def54400855957abf2516049d41010_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	59def54400855957abf2516049d41010_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	59def54400855957abf2516049d41010_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\59def54400855957abf2516049d41010_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\59def54400855957abf2516049d41010_JaffaCakes118.exe:*:Enabled:ldrsoft"	59def54400855957abf2516049d41010_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	59def54400855957abf2516049d41010_JaffaCakes118.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2360-0-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2360-1-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2360-3-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2360-5-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2360-7-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2360-9-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2360-11-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2360-13-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2360-16-0x0000000000400000-0x000000000041C000-memory.dmp	upx

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 4792	2360	59def54400855957abf2516049d41010_JaffaCakes118.exe	106
PID 2360 wrote to memory of 4792	2360	59def54400855957abf2516049d41010_JaffaCakes118.exe	106
PID 2360 wrote to memory of 4792	2360	59def54400855957abf2516049d41010_JaffaCakes118.exe	106

C:\Users\Admin\AppData\Local\Temp\59def54400855957abf2516049d41010_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\59def54400855957abf2516049d41010_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\59DEF5~1.EXE00.bat
  2⤵
  PID:4792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\59DEF5~1.EXE00.bat

Filesize
192B

MD5
d813b383c658f070140230d4e3eb328d

SHA1
b74f0642ad7418779e3f57b2b5e2163f1562992d

SHA256
b6dd5e4e1b5ee84fb1a5b323db507e9cd8fc25e5b764c7583b67e69d3652fa82

SHA512
846bf35eb655e2caa61e3cbdc3af4265e8f003a06fbe61ce746f339a7d151d5a0af258f809cecee98a5e3c9637c9d21d1ef2e6064001fae38cef00e429c30750

Download Submit
memory/2360-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2360-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2360-3-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2360-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2360-7-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2360-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2360-11-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2360-13-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2360-16-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads