05d4d6d0f15dec78b1b4a418b8081b720245dd92f09fb32f4f69c6af9d39a8df

General

Target

1902d2fb07fd303208824e070a491a14_JaffaCakes118.exe
Size

1.0MB
MD5

1902d2fb07fd303208824e070a491a14
SHA1

c8d4f562bb1441188a33401c736e95c87d9fae8f
SHA256

05d4d6d0f15dec78b1b4a418b8081b720245dd92f09fb32f4f69c6af9d39a8df
SHA512

0a21e11de4c87b814f8817338c272ca33b51c7d9472d6bf849a9dec423eb4738eb2fd26c59f918e72f898d71c5c7383e8829391dcd2931f511e0cb16ed64200b
SSDEEP

24576:w/Af7uuZB2MiMKLv7kLxOPdERHrqPiBfhcvLMc2h:w4CuZhiv6gP8H+4c2h

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2600	defender.exe

Loads dropped DLL 2 IoCs

pid	Process
2436	1902d2fb07fd303208824e070a491a14_JaffaCakes118.exe
2436	1902d2fb07fd303208824e070a491a14_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2600-20-0x0000000000400000-0x0000000000A6C000-memory.dmp	upx
behavioral1/memory/2600-22-0x0000000000400000-0x00000000011C1000-memory.dmp	upx
behavioral1/memory/2600-25-0x0000000000400000-0x0000000000A6C000-memory.dmp	upx
behavioral1/memory/2600-24-0x0000000000400000-0x00000000011C1000-memory.dmp	upx

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)	\??\O:	defender.exe
File opened (read-only)	\??\P:	defender.exe
File opened (read-only)	\??\U:	defender.exe
File opened (read-only)	\??\Y:	defender.exe
File opened (read-only)	\??\Z:	defender.exe
File opened (read-only)	\??\L:	defender.exe
File opened (read-only)	\??\M:	defender.exe
File opened (read-only)	\??\K:	defender.exe
File opened (read-only)	\??\N:	defender.exe
File opened (read-only)	\??\S:	defender.exe
File opened (read-only)	\??\E:	defender.exe
File opened (read-only)	\??\G:	defender.exe
File opened (read-only)	\??\Q:	defender.exe
File opened (read-only)	\??\R:	defender.exe
File opened (read-only)	\??\H:	defender.exe
File opened (read-only)	\??\I:	defender.exe
File opened (read-only)	\??\V:	defender.exe
File opened (read-only)	\??\W:	defender.exe
File opened (read-only)	\??\X:	defender.exe
File opened (read-only)	\??\J:	defender.exe
File opened (read-only)	\??\T:	defender.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	defender.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2600	defender.exe
2600	defender.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2600	defender.exe
2600	defender.exe
2600	defender.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2600	defender.exe
2600	defender.exe
2600	defender.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2600	2436	1902d2fb07fd303208824e070a491a14_JaffaCakes118.exe	28
PID 2436 wrote to memory of 2600	2436	1902d2fb07fd303208824e070a491a14_JaffaCakes118.exe	28
PID 2436 wrote to memory of 2600	2436	1902d2fb07fd303208824e070a491a14_JaffaCakes118.exe	28
PID 2436 wrote to memory of 2600	2436	1902d2fb07fd303208824e070a491a14_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\1902d2fb07fd303208824e070a491a14_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1902d2fb07fd303208824e070a491a14_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Roaming\defender.exe
  "C:\Users\Admin\AppData\Roaming\defender.exe"
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2600

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\defender.exe

Filesize
928KB

MD5
aa22e20b540eb40879f1749c3c36ee0f

SHA1
20aecb3226fc7dc485e86364b79b6fd4fc32b6a8

SHA256
c50aad64113a8b46b780ed4c8b10ead9eee0fbf7bb76caa6f8de3ca9cda6f389

SHA512
a53c9864f096b742556cd54c5f8f4824054f8139ee9e63d0b7b0afce612e9548da742eed355adfc27a6419912fa0e3e34297a395810d899fd5a398a7348f965c

Download Submit
memory/2436-26-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2600-19-0x0000000002E30000-0x0000000002F13000-memory.dmp

Filesize
908KB

Download
memory/2600-20-0x0000000000400000-0x0000000000A6C000-memory.dmp

Filesize
6.4MB

Download
memory/2600-22-0x0000000000400000-0x00000000011C1000-memory.dmp

Filesize
13.8MB

Download
memory/2600-25-0x0000000000400000-0x0000000000A6C000-memory.dmp

Filesize
6.4MB

Download
memory/2600-24-0x0000000000400000-0x00000000011C1000-memory.dmp

Filesize
13.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads