bdcb2d0fb158f0378a46b1ff5be3d8fa8223e34532d0f95f5aa7b23c7cca3995

Analysis

max time kernel
142s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 21:10

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General

Target

fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe
Size

55KB
MD5

fd2697ed586a9b473aa590af0291a5f6
SHA1

94a5c4117cbf97a8867d8f6ad458145e1497795c
SHA256

bdcb2d0fb158f0378a46b1ff5be3d8fa8223e34532d0f95f5aa7b23c7cca3995
SHA512

4d69c88af7b40778c4a1bb4b6898690dfc9973183bc02c20b554ef89c19403696f044a3951a9a8b4e85fd7f81f846fa1109e80dbadb6155e5b2999421522d5ae
SSDEEP

1536:Dxlt9NO/sEPiclgISk9+2XQ40qfP9fbOcVn/y:rt9NO/stclgFk089rH1y

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\51796 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msuxkxvxf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1724	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5004 set thread context of 712	5004	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe	82

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5004-0-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/5004-8-0x0000000000400000-0x000000000041F000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msuxkxvxf.exe	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
712	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe
712	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5004	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 712	5004	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe	82
PID 5004 wrote to memory of 712	5004	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe	82
PID 5004 wrote to memory of 712	5004	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe	82
PID 5004 wrote to memory of 712	5004	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe	82
PID 5004 wrote to memory of 712	5004	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe	82
PID 5004 wrote to memory of 712	5004	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe	82
PID 5004 wrote to memory of 712	5004	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe	82
PID 712 wrote to memory of 1724	712	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe	83
PID 712 wrote to memory of 1724	712	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe	83
PID 712 wrote to memory of 1724	712	fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5004
- C:\Users\Admin\AppData\Local\Temp\fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fd2697ed586a9b473aa590af0291a5f6_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:712
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe
    3⤵
    - Adds policy Run key to start application
    - Deletes itself
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    PID:1724

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

memory/712-3-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/712-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/712-7-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1724-9-0x0000000000100000-0x000000000010E000-memory.dmp

Filesize
56KB

Download
memory/1724-12-0x0000000000100000-0x000000000010E000-memory.dmp

Filesize
56KB

Download
memory/1724-14-0x00000000013E0000-0x00000000013E5000-memory.dmp

Filesize
20KB

Download
memory/5004-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/5004-8-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads