e9eab57ea7c0136febc030eaac138a82f91f4143d4b76691aa98b3b5b47af088

General

Target

9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
Size

203KB
MD5

9107d5af038ac8c459a33470737a7898
SHA1

d52876001f9edb2dc2357d2c306d264704771301
SHA256

e9eab57ea7c0136febc030eaac138a82f91f4143d4b76691aa98b3b5b47af088
SHA512

39388e1ee8bb4e8dab3601252b5f89bdfeb5790340e546779ea5365e04619cd9a423f1ca9f981a8594fde5e10a4bab768e6b5e475871f20a7adb5e7d3204d347
SSDEEP

3072:S3OOFEyGF17SENOuLYp97YYZG5v5x255ZESOZRzSZZsYaGOYmpghR5VlKr9c+gT8:oiyqRSg03ODx42ZRUZhazuhZlog7877Z

Score

6^/10

bootkit discovery persistence upx

Malware Config

Signatures

Enumerates connected drives 3 TTPs 21 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

Processes:

9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\n:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\o:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\p:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\q:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\s:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\e:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\h:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\j:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\k:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\y:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\v:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\x:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\g:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\m:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\t:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\u:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\z:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\i:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\l:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\r:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
File opened (read-only)	\??\w:	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe

description ioc process

File opened for modification \??\PhysicalDrive0 9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1668-0-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/1668-16-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/1668-15-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/1668-18-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/1668-21-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/1668-22-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/1668-25-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/1668-27-0x0000000000400000-0x0000000000478000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe

description ioc process

File opened for modification C:\Program Files (x86)\SAItest.txt 9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\SAItest.txt	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9107d5af038ac8c459a33470737a7898_JaffaCakes118.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

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/1668-0-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-16-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-15-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-18-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-21-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-22-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-25-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-27-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing