1a9f901739cd7070d4499d886f55d1045e3e8599ea85b776950bf4b179359074

General

Target

aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe
Size

5.3MB
MD5

aa787f998f34eeabdc8b30090df2125b
SHA1

bebfcb531277ad7449cdea83e5be5ce64532ab07
SHA256

1a9f901739cd7070d4499d886f55d1045e3e8599ea85b776950bf4b179359074
SHA512

cc117c581bafc7e56670dc50e835dde01c1f5a0eefd61463538be4ad4f14c2c9e09020f52da113429d9649651fe6013abccb9d51c6bc58e32c38ae8768adfda4
SSDEEP

98304:LkK+ng4di+aj9Y73herx4IBLaTr5cj08sd4ApSbzPird2qzGYE4ReV7hPiI4A6N2:D+ng4UE3hertBeNkISnirMPFVpiI4A6o

Score

10^/10

discovery evasion persistence trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/684-0-0x0000000000400000-0x0000000001A68000-memory.dmp	upx
behavioral2/memory/684-9-0x0000000000400000-0x0000000001A68000-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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\ctfmox.exe"	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.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	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe
684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 212	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	84
PID 684 wrote to memory of 212	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	84
PID 684 wrote to memory of 212	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	84
PID 684 wrote to memory of 5024	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	85
PID 684 wrote to memory of 5024	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	85
PID 684 wrote to memory of 5024	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	85
PID 684 wrote to memory of 5032	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	86
PID 684 wrote to memory of 5032	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	86
PID 684 wrote to memory of 5032	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	86
PID 684 wrote to memory of 2244	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	87
PID 684 wrote to memory of 2244	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	87
PID 684 wrote to memory of 2244	684	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	87

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe"
1⤵
- UAC bypass
- Adds Run key to start application
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:684
- C:\Windows\SysWOW64\cmd.exe
  cmd /k del "C:\Arquivos de programas\GbPlugin\." /q
  2⤵
  - System Location Discovery: System Language Discovery
  PID:212
- C:\Windows\SysWOW64\cmd.exe
  cmd /k rd "%ProgramFiles%\GbPlugin"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5024
- C:\Windows\SysWOW64\cmd.exe
  cmd /k del "C:\Program Files (x86)\GbPlugin\." /q
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5032
- C:\Windows\SysWOW64\cmd.exe
  cmd /k rd "C:\Program Files (x86)\GbPlugin"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2244

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

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

memory/684-0-0x0000000000400000-0x0000000001A68000-memory.dmp

Filesize
22.4MB

Download
memory/684-1-0x0000000001C70000-0x0000000001C71000-memory.dmp

Filesize
4KB

Download
memory/684-9-0x0000000000400000-0x0000000001A68000-memory.dmp

Filesize
22.4MB

Download
memory/684-11-0x0000000001C70000-0x0000000001C71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads