b21dd5143c5487d75b9c30ebbed4879f10ad2f2d9de6aa691b399e9bfb9f481b

Analysis

max time kernel
137s
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
21/08/2024, 23:54

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General

Target

b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe
Size

644KB
MD5

b58bbaecc05ca2d2941ed01122c017b5
SHA1

d4c93d140eb09b4a931c91de144adb61fc749227
SHA256

b21dd5143c5487d75b9c30ebbed4879f10ad2f2d9de6aa691b399e9bfb9f481b
SHA512

2f78c4ae6b33367719ac428c2615eedfe3d363c436727dc6cb985c1782a13fe8a5a447b6e515aa2d48c0b7af8822a33947593eeae13bbee30c279a49cadddc1b
SSDEEP

12288:ioTKi2gaR93IoaP85yRTJcgco4oEA/OSl1CynjjExN:iomfX5y21oEXSl1CUjj8N

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2852	kernel32.dlI

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kernel32.dlI	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kernel32.dlI	kernel32.dlI

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	kernel32.dlI
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe

Modifies registry class 8 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.dlI	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.dlI\ = "dlIfile"	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dlIfile	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dlIfile\ = "dlIfile"	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dlIfile\shell\open\command	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dlIfile\shell	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dlIfile\shell\open	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dlIfile\shell\open\command\ = "%1"	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 652 wrote to memory of 2852	652	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe	91
PID 652 wrote to memory of 2852	652	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe	91
PID 652 wrote to memory of 2852	652	b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b58bbaecc05ca2d2941ed01122c017b5_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:652
- C:\Windows\SysWOW64\kernel32.dlI
  C:\Windows\system32\kernel32.dlI
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2852

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 --field-trial-handle=4212,i,13995403245988825027,7033610968827661507,262144 --variations-seed-version --mojo-platform-channel-handle=4256 /prefetch:8
1⤵
PID:4872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\SysWOW64\kernel32.dlI

Filesize
644KB

MD5
b58bbaecc05ca2d2941ed01122c017b5

SHA1
d4c93d140eb09b4a931c91de144adb61fc749227

SHA256
b21dd5143c5487d75b9c30ebbed4879f10ad2f2d9de6aa691b399e9bfb9f481b

SHA512
2f78c4ae6b33367719ac428c2615eedfe3d363c436727dc6cb985c1782a13fe8a5a447b6e515aa2d48c0b7af8822a33947593eeae13bbee30c279a49cadddc1b

Download Submit
memory/652-0-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/652-6-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2852-5-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/2852-7-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2852-8-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/2852-9-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download