398b69864c84106edd3005b5ffbf65a986f5249bcbadfef2e8b026c5e7e17e70

General

Target

eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
Size

424KB
MD5

eaf2c492ac5261e9615911a755bf0f37
SHA1

c4221a29c422628f70fb9f0380068286662e0f03
SHA256

398b69864c84106edd3005b5ffbf65a986f5249bcbadfef2e8b026c5e7e17e70
SHA512

b231763676616d48001d35fe8a0cde81c4d79dfe991e38256f7150de794aa50c5ab05d83caa1f4e5ac366edca0a8bb39cdd8639897b4bf5cf590b72081e819c9
SSDEEP

12288:VEJjzjvAIEoRaUQZZoNT+9ca1JfFVj1QoS:VIbAIEzUNCSaDj1

Score

10^/10

bootkit discovery evasion execution persistence spyware stealer upx

Malware Config

Signatures

Disables service(s) 3 TTPs
evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002
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
behavioral1/memory/1424-0-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1424-9-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1424-10-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1424-11-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1424-12-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1424-13-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1424-14-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1424-15-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1424-16-0x0000000000400000-0x0000000000543000-memory.dmp	upx

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2840	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 2272	1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe	29
PID 1424 wrote to memory of 2272	1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe	29
PID 1424 wrote to memory of 2272	1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe	29
PID 1424 wrote to memory of 2272	1424	eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe	29
PID 2272 wrote to memory of 2760	2272	cmd.exe	31
PID 2272 wrote to memory of 2760	2272	cmd.exe	31
PID 2272 wrote to memory of 2760	2272	cmd.exe	31
PID 2272 wrote to memory of 2760	2272	cmd.exe	31
PID 2760 wrote to memory of 2836	2760	net.exe	32
PID 2760 wrote to memory of 2836	2760	net.exe	32
PID 2760 wrote to memory of 2836	2760	net.exe	32
PID 2760 wrote to memory of 2836	2760	net.exe	32
PID 2272 wrote to memory of 2840	2272	cmd.exe	33
PID 2272 wrote to memory of 2840	2272	cmd.exe	33
PID 2272 wrote to memory of 2840	2272	cmd.exe	33
PID 2272 wrote to memory of 2840	2272	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe.CuCHW\dis.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2272
- - C:\Windows\SysWOW64\net.exe
    net stop "PolicyAgent"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2760
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "PolicyAgent"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2836
- - C:\Windows\SysWOW64\sc.exe
    sc config PolicyAgent start= disabled
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

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Downloads

C:\Users\Admin\AppData\Local\Temp\eaf2c492ac5261e9615911a755bf0f37_JaffaCakes118.exe.CuCHW\dis.bat

Filesize
63B

MD5
070f1025dc93f20d1b28896c8ab01ff3

SHA1
3a646f02dbf445ea75f331d1128e711ea2463d64

SHA256
e6374bfc2301536dc06ce5e26b299fad2c630cde8a47548cd31edd86deed38b3

SHA512
c5017b2ad1b76b55ad49c41ea06decf71b5ee00934c583d919c489e6d4da506174dd7be62b36af6c3b77c6ae0fd6825fe3fbe86e881ef47bc1749e2c86c6edef

Download Submit
memory/1424-0-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1424-9-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1424-10-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1424-11-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1424-12-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1424-13-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1424-14-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1424-15-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1424-16-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads