cff37035ba7843b0107e4a5e9e1bcfbaa2d6066d68c34d5ff74647ba352f958e

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18-04-2024 13:22

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General

Target

f81531f51a55bb4a94912dce4baa67a7_JaffaCakes118.exe
Size

275KB
MD5

f81531f51a55bb4a94912dce4baa67a7
SHA1

8f35368ca95c298ac0d11cf370c7c6ed34f73eff
SHA256

cff37035ba7843b0107e4a5e9e1bcfbaa2d6066d68c34d5ff74647ba352f958e
SHA512

dd65da6ecea44d70661bdc9505510cfcc2745f082e35eeee195abfe0ea0fd252441e363a493026ecfd43c86c7e28549c761341116db3990a4c9ee413adc21893
SSDEEP

6144:SBi9vhEOznbrak9ojtpOVgFiiyWDDTrZox7xrPQYaVSdAw5:SBuvhEOzbWk9ETOeGWDqxdPQYTdv

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1964-0-0x0000000000400000-0x00000000004BD000-memory.dmp	upx
behavioral2/memory/1964-3-0x0000000000400000-0x00000000004BD000-memory.dmp	upx

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\Update = "C:\\Program Files\\Windows Remonte Update\\Update.exe"	f81531f51a55bb4a94912dce4baa67a7_JaffaCakes118.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Windows Remonte Update\	f81531f51a55bb4a94912dce4baa67a7_JaffaCakes118.exe
File created	C:\Program Files\Windows Remonte Update\Update.exe	f81531f51a55bb4a94912dce4baa67a7_JaffaCakes118.exe
File opened for modification	C:\Program Files\Windows Remonte Update\Update.exe	f81531f51a55bb4a94912dce4baa67a7_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1004	1964	WerFault.exe	90

C:\Users\Admin\AppData\Local\Temp\f81531f51a55bb4a94912dce4baa67a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f81531f51a55bb4a94912dce4baa67a7_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
PID:1964
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 832
  2⤵
  - Program crash
  PID:1004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1964 -ip 1964
1⤵
PID:5024

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3864 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:4252

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1964-0-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1964-1-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

Download
memory/1964-3-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads