b158c4d76fcb8f38035479fd3ea796b214d3c1205c767a41549cfdd57901175a

Analysis

max time kernel
150s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 06:16

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General

Target

0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe
Size

1001KB
MD5

0e51e190eb13b86e8d63514b47a33c05
SHA1

be47be974f51ec5aa631abe577a0f62ed903ea69
SHA256

b158c4d76fcb8f38035479fd3ea796b214d3c1205c767a41549cfdd57901175a
SHA512

402b5e8b6b2933789a8eb24560c55d08a10f17c9241384b1d5e6044bdcdcb17df63a76a160e533de1b76b0196042cb6b02b94c6dcb65b77806f8a13858bd6d13
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27Qitj2:r5sJo6YrFUiyAak11Ltj2

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2732	svchest425075242507520.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe"	0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4968	0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe
2732	svchest425075242507520.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4968-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/4968-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/files/0x00080000000233f9-7.dat	upx
behavioral2/memory/2732-12-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/4968-13-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\BJ.exe	0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe
File created	\??\c:\Windows\svchest425075242507520.exe	0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\svchest425075242507520.exe	0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchest425075242507520.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 2732	4968	0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe	82
PID 4968 wrote to memory of 2732	4968	0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe	82
PID 4968 wrote to memory of 2732	4968	0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0e51e190eb13b86e8d63514b47a33c05_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4968
- \??\c:\Windows\svchest425075242507520.exe
  c:\Windows\svchest425075242507520.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2732

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\svchest425075242507520.exe

Filesize
1001KB

MD5
0e51e190eb13b86e8d63514b47a33c05

SHA1
be47be974f51ec5aa631abe577a0f62ed903ea69

SHA256
b158c4d76fcb8f38035479fd3ea796b214d3c1205c767a41549cfdd57901175a

SHA512
402b5e8b6b2933789a8eb24560c55d08a10f17c9241384b1d5e6044bdcdcb17df63a76a160e533de1b76b0196042cb6b02b94c6dcb65b77806f8a13858bd6d13

Download Submit
memory/2732-12-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/4968-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/4968-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/4968-13-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads