e4266098d0bb993fa2af3f67e21659dca9af0955b71426a67211697b68f5342b

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/07/2024, 13:33

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General

Target

635db40b1e2754b332deb815840d8805_JaffaCakes118.exe
Size

936KB
MD5

635db40b1e2754b332deb815840d8805
SHA1

71b200469cc78e3e76dc565d0649a4e9b42f68ec
SHA256

e4266098d0bb993fa2af3f67e21659dca9af0955b71426a67211697b68f5342b
SHA512

28dc94409112c8717b808f2da10184f6c00b682252346ff3b829696413aecb89103d941036e1861ef55cee71960090657522470631e9e99b828a7e65e42e4fee
SSDEEP

24576:RrukSbiWEjlAHCSka4YEGubblIkhHJGyIEIGaVTe+Px7:RdKiWriSF4dvlPIOMTeMF

Score

7^/10

bootkit persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2464	defender.exe

Loads dropped DLL 2 IoCs

pid	Process
816	635db40b1e2754b332deb815840d8805_JaffaCakes118.exe
816	635db40b1e2754b332deb815840d8805_JaffaCakes118.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/816-0-0x0000000000400000-0x00000000006D8000-memory.dmp	upx
behavioral1/files/0x0008000000018bc7-18.dat	upx
behavioral1/memory/816-19-0x0000000002D00000-0x000000000330D000-memory.dmp	upx
behavioral1/memory/2464-20-0x0000000000400000-0x0000000000A0D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\Malware Protection = "C:\\ProgramData\\defender.exe"	defender.exe

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)	\??\H:	defender.exe
File opened (read-only)	\??\S:	defender.exe
File opened (read-only)	\??\T:	defender.exe
File opened (read-only)	\??\V:	defender.exe
File opened (read-only)	\??\W:	defender.exe
File opened (read-only)	\??\R:	defender.exe
File opened (read-only)	\??\U:	defender.exe
File opened (read-only)	\??\Z:	defender.exe
File opened (read-only)	\??\J:	defender.exe
File opened (read-only)	\??\K:	defender.exe
File opened (read-only)	\??\M:	defender.exe
File opened (read-only)	\??\O:	defender.exe
File opened (read-only)	\??\Q:	defender.exe
File opened (read-only)	\??\G:	defender.exe
File opened (read-only)	\??\N:	defender.exe
File opened (read-only)	\??\Y:	defender.exe
File opened (read-only)	\??\E:	defender.exe
File opened (read-only)	\??\I:	defender.exe
File opened (read-only)	\??\L:	defender.exe
File opened (read-only)	\??\P:	defender.exe
File opened (read-only)	\??\X:	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 64 IoCs

pid	Process
816	635db40b1e2754b332deb815840d8805_JaffaCakes118.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe

Suspicious use of FindShellTrayWindow 12 IoCs

pid	Process
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe
2464	defender.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2464	defender.exe
2464	defender.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 2464	816	635db40b1e2754b332deb815840d8805_JaffaCakes118.exe	31
PID 816 wrote to memory of 2464	816	635db40b1e2754b332deb815840d8805_JaffaCakes118.exe	31
PID 816 wrote to memory of 2464	816	635db40b1e2754b332deb815840d8805_JaffaCakes118.exe	31
PID 816 wrote to memory of 2464	816	635db40b1e2754b332deb815840d8805_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\635db40b1e2754b332deb815840d8805_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\635db40b1e2754b332deb815840d8805_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:816
- C:\ProgramData\defender.exe
  C:\ProgramData\defender.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Enumerates connected drives
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\defender.exe

Filesize
855KB

MD5
9726356705d504e37f4975ee81bb390a

SHA1
e98a933761ea43620ad87b742b98cb535be2303f

SHA256
288943147e8c1a26ea3ce919e825b4b2034497dd1162bd2f24189b3955502e51

SHA512
6ba49918fef9dfd1e0d801d57923365b563c0e50b80e934cea2d1ce74a3b2f3c7b00342adc1aa1aa55bedd7c42b3ebc6671a701da764edada72c0cbd1faf9fe7

Download Submit
memory/816-26-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/816-1-0x0000000002060000-0x00000000020A0000-memory.dmp

Filesize
256KB

Download
memory/816-2-0x0000000002060000-0x00000000020A0000-memory.dmp

Filesize
256KB

Download
memory/816-3-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/816-6-0x0000000077DD0000-0x0000000077DD1000-memory.dmp

Filesize
4KB

Download
memory/816-9-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/816-16-0x00000000002E0000-0x00000000002F0000-memory.dmp

Filesize
64KB

Download
memory/816-19-0x0000000002D00000-0x000000000330D000-memory.dmp

Filesize
6.1MB

Download
memory/816-0-0x0000000000400000-0x00000000006D8000-memory.dmp

Filesize
2.8MB

Download
memory/2464-28-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-34-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-24-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-25-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-21-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-27-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-20-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-29-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-30-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-31-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-32-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-22-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-35-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-36-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-37-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-38-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-39-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-40-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-41-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-42-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-43-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-44-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download
memory/2464-45-0x0000000000400000-0x0000000000A0D000-memory.dmp

Filesize
6.1MB

Download