ac9db121f9bffe93135fc8409d427bb1d555430cad35db2dcc37af0477d95e6f

General

Target

be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe
Size

1.7MB
MD5

be05248b4cb0985b2c65804f548db8d3
SHA1

bdd6009bcf09fb52d8ec2664a48dfb3d5e90d988
SHA256

ac9db121f9bffe93135fc8409d427bb1d555430cad35db2dcc37af0477d95e6f
SHA512

d6334fcf4db525e018040ec839163f9b330885746ae52935e4269b43602a3ec1f37ad274014c6d1f09d2c05140677150135526ae677a2b25f879a903f8c994bd
SSDEEP

24576:FxBZxrdKk7Siu3mcZVTVkoHYxiJDo5eantrwHsD8Xw2ugSG9EkCu1vDewil4Ml5l:HhdKJBZVT+f35RdI3vEkZpDe7OMB

Score

7^/10

discovery

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2620 set thread context of 4296	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe	95

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3488	4296	WerFault.exe	95
2956	2620	WerFault.exe	83

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	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F81F339A-9723-F9F3-8105-47DFFBB7B538}\InProcServer32\ThreadingModel = "Both"	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F81F339A-9723-F9F3-8105-47DFFBB7B538}	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F81F339A-9723-F9F3-8105-47DFFBB7B538}\ = "AudioCleanup Class"	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F81F339A-9723-F9F3-8105-47DFFBB7B538}\InProcServer32	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F81F339A-9723-F9F3-8105-47DFFBB7B538}\InProcServer32\ = "%SystemRoot%\\SysWow64\\audioeng.dll"	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\ProgramData\TEMP:AC6CA6CF	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe
File opened for modification	C:\ProgramData\TEMP:AC6CA6CF	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 4296	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe	95
PID 2620 wrote to memory of 4296	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe	95
PID 2620 wrote to memory of 4296	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe	95
PID 2620 wrote to memory of 4296	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe	95
PID 2620 wrote to memory of 4296	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe	95
PID 2620 wrote to memory of 4296	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe	95
PID 2620 wrote to memory of 4296	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe	95
PID 2620 wrote to memory of 4296	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe	95
PID 2620 wrote to memory of 4296	2620	be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe	95

C:\Users\Admin\AppData\Local\Temp\be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Users\Admin\AppData\Local\Temp\be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\be05248b4cb0985b2c65804f548db8d3_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4296
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 556
    3⤵
    - Program crash
    PID:3488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 1080
  2⤵
  - Program crash
  PID:2956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2620 -ip 2620
1⤵
PID:4540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4296 -ip 4296
1⤵
PID:3636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

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/2620-15-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2620-18-0x0000000002570000-0x00000000026A5000-memory.dmp

Filesize
1.2MB

Download
memory/2620-8-0x0000000002570000-0x00000000026A5000-memory.dmp

Filesize
1.2MB

Download
memory/2620-12-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2620-13-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2620-14-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2620-16-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2620-17-0x0000000002570000-0x00000000026A5000-memory.dmp

Filesize
1.2MB

Download
memory/2620-2-0x0000000002570000-0x00000000026A5000-memory.dmp

Filesize
1.2MB

Download
memory/2620-21-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2620-0-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2620-20-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2620-23-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2620-33-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2620-32-0x0000000002570000-0x00000000026A5000-memory.dmp

Filesize
1.2MB

Download
memory/4296-27-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/4296-24-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing