e851ceae9e8a50dddb1fa88b19159cfab209e2b9738acd00d7011ed9e74748e8

General

Target

a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Size

344KB
MD5

a040033e4b0591f46ec02d3bd2e57071
SHA1

afe73adb0f0585ccf6df29eff7899555fe4e46af
SHA256

e851ceae9e8a50dddb1fa88b19159cfab209e2b9738acd00d7011ed9e74748e8
SHA512

bd3d0e34c7993baef72808ff7b1e5dae0cf3ae026c3c1e38816613f4944466550ac0ba1907549fc64cfa6713bf8c43cd5ac8d9fbf7c19194180ccf3304fcbe28
SSDEEP

6144:vCxOET2PRA8A3bLeQh81uhTx8+WYbwWVJqjhLzgAmw7V0pm2vMtI6FSg952P+T8V:v1PO8MeQh81uhNmq+jhfgKBovMtIu2OW

Score

10^/10

discovery evasion trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs 6 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\ConsentPromptBehaviorAdmin = "0"	mplayer2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	mplayer2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mplayer2.exe

Executes dropped EXE 2 IoCs

pid	Process
2128	mplayer2.exe
2420	mplayer2.exe

Loads dropped DLL 2 IoCs

pid	Process
2196	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
2128	mplayer2.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2152-0-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2152-11-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/files/0x0008000000015e4e-17.dat	upx
behavioral1/memory/2128-21-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral1/memory/2128-26-0x0000000003B10000-0x0000000003BC6000-memory.dmp	upx
behavioral1/memory/2128-40-0x0000000000400000-0x00000000004B6000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mplayer2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2152-11-0x0000000000400000-0x00000000004B6000-memory.dmp	autoit_exe
behavioral1/memory/2128-26-0x0000000003B10000-0x0000000003BC6000-memory.dmp	autoit_exe
behavioral1/memory/2128-40-0x0000000000400000-0x00000000004B6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2152 set thread context of 2196	2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	28
PID 2128 set thread context of 2420	2128	mplayer2.exe	30

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 4 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	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mplayer2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mplayer2.exe

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "00000001"	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Download	mplayer2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	mplayer2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "00000001"	mplayer2.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Download	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
2128	mplayer2.exe
2128	mplayer2.exe
2128	mplayer2.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
2128	mplayer2.exe
2128	mplayer2.exe
2128	mplayer2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2196	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
2420	mplayer2.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2196	2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	28
PID 2152 wrote to memory of 2196	2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	28
PID 2152 wrote to memory of 2196	2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	28
PID 2152 wrote to memory of 2196	2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	28
PID 2152 wrote to memory of 2196	2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	28
PID 2152 wrote to memory of 2196	2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	28
PID 2152 wrote to memory of 2196	2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	28
PID 2152 wrote to memory of 2196	2152	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	28
PID 2196 wrote to memory of 2128	2196	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	29
PID 2196 wrote to memory of 2128	2196	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	29
PID 2196 wrote to memory of 2128	2196	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	29
PID 2196 wrote to memory of 2128	2196	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe	29
PID 2128 wrote to memory of 2420	2128	mplayer2.exe	30
PID 2128 wrote to memory of 2420	2128	mplayer2.exe	30
PID 2128 wrote to memory of 2420	2128	mplayer2.exe	30
PID 2128 wrote to memory of 2420	2128	mplayer2.exe	30
PID 2128 wrote to memory of 2420	2128	mplayer2.exe	30
PID 2128 wrote to memory of 2420	2128	mplayer2.exe	30
PID 2128 wrote to memory of 2420	2128	mplayer2.exe	30
PID 2128 wrote to memory of 2420	2128	mplayer2.exe	30

System policy modification 1 TTPs 8 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	mplayer2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	mplayer2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mplayer2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	mplayer2.exe

C:\Users\Admin\AppData\Local\Temp\a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Users\Admin\AppData\Local\Temp\a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a040033e4b0591f46ec02d3bd2e57071_JaffaCakes118.exe"
  2⤵
  - UAC bypass
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2196
- - C:\muyddiis\mplayer2.exe
    "C:\muyddiis\mplayer2.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:2128
  - - C:\muyddiis\mplayer2.exe
      "C:\muyddiis\mplayer2.exe"
      4⤵
      UAC bypass
      Executes dropped EXE
      Checks whether UAC is enabled
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      System policy modification
      PID:2420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

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

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

\MUYDDIIS\mplayer2.exe

Filesize
344KB

MD5
a040033e4b0591f46ec02d3bd2e57071

SHA1
afe73adb0f0585ccf6df29eff7899555fe4e46af

SHA256
e851ceae9e8a50dddb1fa88b19159cfab209e2b9738acd00d7011ed9e74748e8

SHA512
bd3d0e34c7993baef72808ff7b1e5dae0cf3ae026c3c1e38816613f4944466550ac0ba1907549fc64cfa6713bf8c43cd5ac8d9fbf7c19194180ccf3304fcbe28

Download Submit
memory/2128-40-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2128-26-0x0000000003B10000-0x0000000003BC6000-memory.dmp

Filesize
728KB

Download
memory/2128-21-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2152-11-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2152-0-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2196-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2196-12-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2196-9-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2196-23-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2196-5-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2196-3-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2196-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2420-35-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2420-38-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2420-43-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads