9c8eda7f357d0528f3f58f87d655a02fb1719532b38dd63a33df4b2d43e70834

General

Target

8804492846407c848fc1f2359d77b621_JaffaCakes118.exe
Size

33KB
MD5

8804492846407c848fc1f2359d77b621
SHA1

a3aef07215469c4124655a99c8113ebe53c17b8c
SHA256

9c8eda7f357d0528f3f58f87d655a02fb1719532b38dd63a33df4b2d43e70834
SHA512

8ebd9723cbba47967a60104bf8ca026981b2402dc9a63ee7fb97f60a4d958364f16d7d0153773581cfaccd563e2741c3979568028013322a2fd6efd38a69999c
SSDEEP

768:OroiqqZOQQDE432IjONcoLEnmZ5sAcY3ef3ykFf80:OrvqqZxQY4GdZ5sAbi3yex

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2468	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3004	svcsysreg.exe

Loads dropped DLL 2 IoCs

pid	Process
1768	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe
1768	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00090000000120fa-2.dat	upx
behavioral1/memory/3004-17-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/3004-19-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/3004-20-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/3004-21-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/3004-25-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/3004-32-0x0000000000400000-0x0000000000411000-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\Svcsys Registry Manager = "C:\\Windows\\system32\\svcsysreg.exe"	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\svcsysreg.exe	8804492846407c848fc1f2359d77b621_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 2 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	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "about:blank"	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 3004	1768	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe	29
PID 1768 wrote to memory of 3004	1768	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe	29
PID 1768 wrote to memory of 3004	1768	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe	29
PID 1768 wrote to memory of 3004	1768	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe	29
PID 1768 wrote to memory of 2468	1768	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe	30
PID 1768 wrote to memory of 2468	1768	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe	30
PID 1768 wrote to memory of 2468	1768	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe	30
PID 1768 wrote to memory of 2468	1768	8804492846407c848fc1f2359d77b621_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\8804492846407c848fc1f2359d77b621_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8804492846407c848fc1f2359d77b621_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Windows\SysWOW64\svcsysreg.exe
  "C:\Windows\system32\svcsysreg.exe"
  2⤵
  - Executes dropped EXE
  PID:3004
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\8804492846407c848fc1f2359d77b621_JaffaCakes118.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2468

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

3

T1112

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

C:\Users\Admin\AppData\Local\Temp\8804492846407c848fc1f2359d77b621_JaffaCakes118.bat

Filesize
292B

MD5
38eb0e7f549cb1695570f761d14c70ca

SHA1
486b4dfaf37189ff304d8d728f2a230552ab64c6

SHA256
a03100392d3d7e6605e48d85084271c25727b74fb0658e7a304b0c41f1ac24f5

SHA512
f56c4101bb5776acda9dc6b4b224913be5a2e7eed538aa5b81382fa2bc048daf0e88d8760751f9c05941b81c2ca975ae3c80be769b80dea5e4f26172b77b7b6c

Download Submit
\Windows\SysWOW64\svcsysreg.exe

Filesize
14KB

MD5
f3c1c3550e7e510b5aa2e3195e7dc310

SHA1
3cadd45ef9bd6076327d8f1de4ad45a5351667bc

SHA256
8321246d3aa42e463d5e80255de2fce9b0199e6258291fddbfab2ad37b347455

SHA512
de444bbbf6828eb960f26b146da969b79777976f579b4f2938603bb42970d1d5c7599232ee7bdb08bc842ccdb136b733ac89d1f18df0a65966c4dac152a34c27

Download Submit
memory/1768-16-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3004-17-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3004-19-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3004-20-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3004-21-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3004-25-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3004-32-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads