e1246470c9ca175fa0e03cabe3684f645fbde5bd6e77c0d19a965c5543c25755

General

Target

JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
Size

202KB
MD5

d9b7e8637bcb0f5f26c0de029310a6b5
SHA1

2bc5598d6c900e1dfe3a35af9fcebc8fc36bdd4b
SHA256

e1246470c9ca175fa0e03cabe3684f645fbde5bd6e77c0d19a965c5543c25755
SHA512

d03524b6ee6d0e553dd65ec511a1b4b06bd0bade39e2ae7c8ec01362838ef713f92399f8a0e87c70839cd23dea3754b4345acbd4d46f598b9a0ea9c49c61c78e
SSDEEP

6144:Z3PyCfOS03iqLgad2nxu+UExFN0lGuDUm:Z3PyDigga9bkHEUm

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)	\??\w:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\x:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\g:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\i:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\j:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\m:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\o:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\u:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\z:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\e:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\k:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\y:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\h:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\n:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\r:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\s:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\l:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\p:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\q:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\t:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
File opened (read-only)	\??\v:	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.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	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/572-0-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/572-1-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/572-57-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/572-58-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/572-59-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/572-63-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/572-64-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/572-65-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/572-66-0x0000000000400000-0x0000000000476000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SAItest.txt	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.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	JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9b7e8637bcb0f5f26c0de029310a6b5.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:572

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab9C80.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9D9C.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/572-0-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/572-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/572-57-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/572-58-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/572-59-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/572-63-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/572-64-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/572-65-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/572-66-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads