d28bbe3b7d4c0b8be664156ab9dc7acc1e96870677e363e49ed528b2858fdc0e

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 05:45

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General

Target

1213a555b88f3c2eb9824ca0ff9e0a5b_JaffaCakes118.exe
Size

814KB
MD5

1213a555b88f3c2eb9824ca0ff9e0a5b
SHA1

585e53ace0d52633162166b7d26f67ca7ca350ff
SHA256

d28bbe3b7d4c0b8be664156ab9dc7acc1e96870677e363e49ed528b2858fdc0e
SHA512

390c2c2fe2a22b7163ce068a66292f141e48539621996b6e3a853d6c2d8ac5433322e35d002c63e6397628df683685f28b0e256f5e7bf6cad83607bc1429cc7a
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27Qitje:r5sJo6YrFUiyAak11Ltje

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4508	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\\1213a555b88f3c2eb9824ca0ff9e0a5b_JaffaCakes118.exe"	1213a555b88f3c2eb9824ca0ff9e0a5b_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1688	1213a555b88f3c2eb9824ca0ff9e0a5b_JaffaCakes118.exe
4508	svchest425075242507520.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1688-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/1688-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/files/0x0007000000023442-7.dat	upx
behavioral2/memory/4508-10-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/4508-12-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/1688-13-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\BJ.exe	1213a555b88f3c2eb9824ca0ff9e0a5b_JaffaCakes118.exe
File created	\??\c:\Windows\BJ.exe	1213a555b88f3c2eb9824ca0ff9e0a5b_JaffaCakes118.exe
File created	\??\c:\Windows\svchest425075242507520.exe	1213a555b88f3c2eb9824ca0ff9e0a5b_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\svchest425075242507520.exe	1213a555b88f3c2eb9824ca0ff9e0a5b_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	1213a555b88f3c2eb9824ca0ff9e0a5b_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 1688 wrote to memory of 4508	1688	1213a555b88f3c2eb9824ca0ff9e0a5b_JaffaCakes118.exe	82
PID 1688 wrote to memory of 4508	1688	1213a555b88f3c2eb9824ca0ff9e0a5b_JaffaCakes118.exe	82
PID 1688 wrote to memory of 4508	1688	1213a555b88f3c2eb9824ca0ff9e0a5b_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\1213a555b88f3c2eb9824ca0ff9e0a5b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1213a555b88f3c2eb9824ca0ff9e0a5b_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:1688
- \??\c:\Windows\svchest425075242507520.exe
  c:\Windows\svchest425075242507520.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:4508

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
814KB

MD5
1213a555b88f3c2eb9824ca0ff9e0a5b

SHA1
585e53ace0d52633162166b7d26f67ca7ca350ff

SHA256
d28bbe3b7d4c0b8be664156ab9dc7acc1e96870677e363e49ed528b2858fdc0e

SHA512
390c2c2fe2a22b7163ce068a66292f141e48539621996b6e3a853d6c2d8ac5433322e35d002c63e6397628df683685f28b0e256f5e7bf6cad83607bc1429cc7a

Download Submit
memory/1688-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1688-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1688-13-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/4508-10-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/4508-12-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads