e857bcfacbedd81c1477cfa2b69bc573b5a659553ba3f7a70aea06774155d192

General

Target

b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
Size

201KB
MD5

b4ec303cd2e7be7728392ca3931493be
SHA1

a394192ebc5c4681b1f5d45dc4c8dfbd2010abc3
SHA256

e857bcfacbedd81c1477cfa2b69bc573b5a659553ba3f7a70aea06774155d192
SHA512

7d37187158efae5ac69e57e6d07a0aed9a548d99a4a2b91fa153e03e9090eef3c2a14b7db70fe3a9a16149fb1a1e7dbaaf1e4fcd7fd2da809654d42daaee6d09
SSDEEP

3072:GgoSEPyerJtiRDdIfon6xvc30AeqLHAD2d2nxut4UEpnKom4HaIMb:Q3PyCfOS03iqLgad2nxu+UExK147K

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

description	ioc	Process
File opened (read-only)	\??\i:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\q:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\j:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\r:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\w:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\x:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\g:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\n:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\o:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\p:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\t:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\u:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\v:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\z:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\e:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\h:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\k:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\l:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\m:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\s:	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
File opened (read-only)	\??\y:	b4ec303cd2e7be7728392ca3931493be_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

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2648-0-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2648-17-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2648-18-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2648-19-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2648-24-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2648-29-0x0000000000400000-0x0000000000476000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SAItest.txt	b4ec303cd2e7be7728392ca3931493be_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\b4ec303cd2e7be7728392ca3931493be_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b4ec303cd2e7be7728392ca3931493be_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:2648

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

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Downloads

memory/2648-0-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2648-17-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2648-18-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2648-19-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2648-24-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2648-29-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads