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
behavioral1/memory/1688-1-0x0000000000400000-0x0000000001A68000-memory.dmp	upx
behavioral1/memory/1688-18-0x0000000000400000-0x0000000001A68000-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	cmd.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	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\Main	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe
1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1268	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	30
PID 1688 wrote to memory of 1268	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	30
PID 1688 wrote to memory of 1268	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	30
PID 1688 wrote to memory of 1268	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	30
PID 1688 wrote to memory of 1748	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	31
PID 1688 wrote to memory of 1748	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	31
PID 1688 wrote to memory of 1748	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	31
PID 1688 wrote to memory of 1748	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	31
PID 1688 wrote to memory of 1012	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	33
PID 1688 wrote to memory of 1012	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	33
PID 1688 wrote to memory of 1012	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	33
PID 1688 wrote to memory of 1012	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	33
PID 1688 wrote to memory of 1692	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	35
PID 1688 wrote to memory of 1692	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	35
PID 1688 wrote to memory of 1692	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	35
PID 1688 wrote to memory of 1692	1688	aa787f998f34eeabdc8b30090df2125b_JaffaCakes118.exe	35

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
- Modifies Internet Explorer settings
- Modifies system certificate store
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1688
- C:\Windows\SysWOW64\cmd.exe
  cmd /k del "C:\Arquivos de programas\GbPlugin\." /q
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1268
- C:\Windows\SysWOW64\cmd.exe
  cmd /k rd "%ProgramFiles%\GbPlugin"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1748
- C:\Windows\SysWOW64\cmd.exe
  cmd /k del "C:\Program Files (x86)\GbPlugin\." /q
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1012
- C:\Windows\SysWOW64\cmd.exe
  cmd /k rd "C:\Program Files (x86)\GbPlugin"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1692

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

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1688-1-0x0000000000400000-0x0000000001A68000-memory.dmp

Filesize
22.4MB

Download
memory/1688-2-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1688-18-0x0000000000400000-0x0000000001A68000-memory.dmp

Filesize
22.4MB

Download
memory/1688-20-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads