e13766864c26f402ce7b7c73b1ce44cb29fb50dac8a30c5d50617ffcf8276029

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
30/09/2024, 20:17

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General

Target

031cba18d943fad5310d94ebf5fb2606_JaffaCakes118.exe
Size

915KB
MD5

031cba18d943fad5310d94ebf5fb2606
SHA1

9592eb1d810345f2b0e99caf705ef6deb0e87db2
SHA256

e13766864c26f402ce7b7c73b1ce44cb29fb50dac8a30c5d50617ffcf8276029
SHA512

93055215c56a7ee4d7243e9c8d219643b96ab530925992b2ff6aa499dc2ab77865c5f80e077507071cb19b541b76d94d00de31754959f592f17c4389f4aca557
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27Qitj1g:r5sJo6YrFUiyAak11Ltj1g

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2072	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\\031cba18d943fad5310d94ebf5fb2606_JaffaCakes118.exe"	031cba18d943fad5310d94ebf5fb2606_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1636	031cba18d943fad5310d94ebf5fb2606_JaffaCakes118.exe
2072	svchest425075242507520.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1636-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/1636-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/files/0x000700000002344e-7.dat	upx
behavioral2/memory/2072-10-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/2072-12-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/1636-13-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\svchest425075242507520.exe	031cba18d943fad5310d94ebf5fb2606_JaffaCakes118.exe
File created	\??\c:\Windows\BJ.exe	031cba18d943fad5310d94ebf5fb2606_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\BJ.exe	031cba18d943fad5310d94ebf5fb2606_JaffaCakes118.exe
File created	\??\c:\Windows\svchest425075242507520.exe	031cba18d943fad5310d94ebf5fb2606_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	031cba18d943fad5310d94ebf5fb2606_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 1636 wrote to memory of 2072	1636	031cba18d943fad5310d94ebf5fb2606_JaffaCakes118.exe	82
PID 1636 wrote to memory of 2072	1636	031cba18d943fad5310d94ebf5fb2606_JaffaCakes118.exe	82
PID 1636 wrote to memory of 2072	1636	031cba18d943fad5310d94ebf5fb2606_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\031cba18d943fad5310d94ebf5fb2606_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\031cba18d943fad5310d94ebf5fb2606_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:1636
- \??\c:\Windows\svchest425075242507520.exe
  c:\Windows\svchest425075242507520.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2072

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
915KB

MD5
031cba18d943fad5310d94ebf5fb2606

SHA1
9592eb1d810345f2b0e99caf705ef6deb0e87db2

SHA256
e13766864c26f402ce7b7c73b1ce44cb29fb50dac8a30c5d50617ffcf8276029

SHA512
93055215c56a7ee4d7243e9c8d219643b96ab530925992b2ff6aa499dc2ab77865c5f80e077507071cb19b541b76d94d00de31754959f592f17c4389f4aca557

Download Submit
memory/1636-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1636-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1636-13-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2072-10-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2072-12-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads