b48262f3eabb37e87e1cbfd795a76c4f430c440fafdfbbe39c29958dfc172108

General

Target

011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
Size

202KB
MD5

011aa3d20ff5ae7190885f3152ce511a
SHA1

57cde0b5bd4cc280c50c1d0feb3fdc4b5c8846dd
SHA256

b48262f3eabb37e87e1cbfd795a76c4f430c440fafdfbbe39c29958dfc172108
SHA512

314a61f031e88213e0b5139a5c46ab31f719b4118693faf13cc0261f3328fa64299d6cc54b5cc36b2300bc6e3628429acfdaf490ce155da7fe89b15836421f24
SSDEEP

6144:+0YhjwuTT396HSjGT7UZ5SPzcxt42mS5c/HS:shjfTTHBkc4jkcvS

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)	\??\z:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\g:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\i:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\l:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\r:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\s:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\u:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\y:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\e:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\h:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\m:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\x:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\j:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\k:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\n:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\o:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\q:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\t:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\w:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\p:	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
File opened (read-only)	\??\v:	011aa3d20ff5ae7190885f3152ce511a_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	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2420-0-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2420-15-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2420-16-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2420-17-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2420-21-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2420-22-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2420-27-0x0000000000400000-0x0000000000477000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SAItest.txt	011aa3d20ff5ae7190885f3152ce511a_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	011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\011aa3d20ff5ae7190885f3152ce511a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\011aa3d20ff5ae7190885f3152ce511a_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:2420

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/2420-0-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2420-15-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2420-16-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2420-17-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2420-21-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2420-22-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2420-27-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads