575279c7009e31b41306478693c5c34aaa9c019924b909d71a004e9e97c6cce2

Analysis

max time kernel
150s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 01:17

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General

Target

083751cdf09233bb6b98f3a4a295d20a_JaffaCakes118.exe
Size

1.1MB
MD5

083751cdf09233bb6b98f3a4a295d20a
SHA1

3bc83b2bd0405db1f25a166a2c76f2bf177f4c35
SHA256

575279c7009e31b41306478693c5c34aaa9c019924b909d71a004e9e97c6cce2
SHA512

b4a71dfae3c9fce72ce0c417572c636e4b63e99e467a5d7fd5467575d8393fb99e44cc07d74c91bde9615fcadbd20db5773327bd324efbe5fd7aa8282da1886e
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjNgFU:r5sJo6YrFUiyAak11LtjNgFU

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4732	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\\083751cdf09233bb6b98f3a4a295d20a_JaffaCakes118.exe"	083751cdf09233bb6b98f3a4a295d20a_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3756	083751cdf09233bb6b98f3a4a295d20a_JaffaCakes118.exe
4732	svchest425075242507520.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3756-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/3756-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/files/0x0007000000023447-7.dat	upx
behavioral2/memory/4732-10-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/4732-12-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/3756-13-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\svchest425075242507520.exe	083751cdf09233bb6b98f3a4a295d20a_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\svchest425075242507520.exe	083751cdf09233bb6b98f3a4a295d20a_JaffaCakes118.exe
File created	\??\c:\Windows\BJ.exe	083751cdf09233bb6b98f3a4a295d20a_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\BJ.exe	083751cdf09233bb6b98f3a4a295d20a_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	083751cdf09233bb6b98f3a4a295d20a_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 3756 wrote to memory of 4732	3756	083751cdf09233bb6b98f3a4a295d20a_JaffaCakes118.exe	82
PID 3756 wrote to memory of 4732	3756	083751cdf09233bb6b98f3a4a295d20a_JaffaCakes118.exe	82
PID 3756 wrote to memory of 4732	3756	083751cdf09233bb6b98f3a4a295d20a_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\083751cdf09233bb6b98f3a4a295d20a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\083751cdf09233bb6b98f3a4a295d20a_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:3756
- \??\c:\Windows\svchest425075242507520.exe
  c:\Windows\svchest425075242507520.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:4732

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
1.1MB

MD5
083751cdf09233bb6b98f3a4a295d20a

SHA1
3bc83b2bd0405db1f25a166a2c76f2bf177f4c35

SHA256
575279c7009e31b41306478693c5c34aaa9c019924b909d71a004e9e97c6cce2

SHA512
b4a71dfae3c9fce72ce0c417572c636e4b63e99e467a5d7fd5467575d8393fb99e44cc07d74c91bde9615fcadbd20db5773327bd324efbe5fd7aa8282da1886e

Download Submit
memory/3756-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/3756-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/3756-13-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/4732-10-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/4732-12-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads