d3f488cbb6fa9c76667767180c1486e285aa923040a3ec849d85b7be682a161b

General

Target

ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
Size

246KB
MD5

ed0ac3ec754cb2fa9cb4513394316573
SHA1

05564f7f4d5d05511346fd855b7dc7b2e67fb16b
SHA256

d3f488cbb6fa9c76667767180c1486e285aa923040a3ec849d85b7be682a161b
SHA512

461775058079e11587e5c931906aeff2c080db0e13a721522a09f1adfd7044bf561b744c86fb3c3f2872086b136907a1586e04392a8027d5eaed6766fcccaafc
SSDEEP

6144:guMJWY+qaHEQCcYfSBYJbQCjRcqESEgm6Anhc1kG6Evy:g+YcUc6SBLLTSEgBAnhc1kG

Score

10^/10

discovery evasion persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe IEXPLOREi.exe"	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe

Disables Task Manager via registry modification
evasion

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4236-0-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/files/0x00070000000233ff-5.dat	upx
behavioral2/memory/4236-12-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-13-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-14-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-15-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-16-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-17-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-18-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-19-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-20-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-21-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-22-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-23-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-24-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-25-0x0000000000400000-0x000000000049C000-memory.dmp	upx
behavioral2/memory/4236-26-0x0000000000400000-0x000000000049C000-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\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yahoo Messengger = "C:\\Windows\\system32\\IEXPLOREi.exe"	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\i:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\g:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\h:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\l:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\r:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\v:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\a:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\e:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\m:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\o:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\s:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\w:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\x:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\y:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\j:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\k:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\z:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\p:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\q:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\t:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\u:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\b:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened (read-only)	\??\n:	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe

AutoIT Executable 15 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4236-12-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-13-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-14-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-15-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-16-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-17-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-18-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-19-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-20-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-21-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-22-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-23-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-24-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-25-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe
behavioral2/memory/4236-26-0x0000000000400000-0x000000000049C000-memory.dmp	autoit_exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\IEXPLOREi.exe	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\IEXPLOREi.exe	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\WORD.exe	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\WORD.exe	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\autorun.ini	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\IEXPLOREi.exe	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
File opened for modification	C:\Windows\IEXPLOREi.exe	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe

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 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	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	at.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	at.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4236 wrote to memory of 1788	4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe	82
PID 4236 wrote to memory of 1788	4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe	82
PID 4236 wrote to memory of 1788	4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe	82
PID 1788 wrote to memory of 2356	1788	cmd.exe	84
PID 1788 wrote to memory of 2356	1788	cmd.exe	84
PID 1788 wrote to memory of 2356	1788	cmd.exe	84
PID 4236 wrote to memory of 1688	4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe	85
PID 4236 wrote to memory of 1688	4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe	85
PID 4236 wrote to memory of 1688	4236	ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe	85
PID 1688 wrote to memory of 1572	1688	cmd.exe	87
PID 1688 wrote to memory of 1572	1688	cmd.exe	87
PID 1688 wrote to memory of 1572	1688	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed0ac3ec754cb2fa9cb4513394316573_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4236
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C AT /delete /yes
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Windows\SysWOW64\at.exe
    AT /delete /yes
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2356
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\WORD.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\at.exe
    AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\WORD.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\WORD.exe

Filesize
246KB

MD5
ed0ac3ec754cb2fa9cb4513394316573

SHA1
05564f7f4d5d05511346fd855b7dc7b2e67fb16b

SHA256
d3f488cbb6fa9c76667767180c1486e285aa923040a3ec849d85b7be682a161b

SHA512
461775058079e11587e5c931906aeff2c080db0e13a721522a09f1adfd7044bf561b744c86fb3c3f2872086b136907a1586e04392a8027d5eaed6766fcccaafc

Download Submit
C:\Windows\SysWOW64\autorun.ini

Filesize
106B

MD5
fb71860a9dd025e8485a61347c253ab1

SHA1
7ea28eaa88c587fe397a7b622d759759fd774003

SHA256
3f1cf6881ca790bb89124bf8a7057b1b719925c066df4823f41f3cc7db4ccad3

SHA512
3426638f2017cc24e21a9a997bb58a0490c2d863b9b66085920db5d186f818d990036e1cdb097959fc4893261112da5abb3bae11c5a620713fc64bf97d29a5a0

Download Submit
memory/4236-17-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-12-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-13-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-14-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-15-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-16-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-0-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-18-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-19-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-20-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-21-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-22-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-23-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-24-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-25-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/4236-26-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads