c8387a2041151d84aeca4b28b0fc22fdb10884b8dea29e373841dd7fb80c5138

Analysis

max time kernel
95s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15-07-2024 16:03

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General

Target

4a64d1fa827049f83fad4bfea08dd654_JaffaCakes118.exe
Size

38KB
MD5

4a64d1fa827049f83fad4bfea08dd654
SHA1

7cfdc85918a40cd5ada0804e2b8500f288a73d57
SHA256

c8387a2041151d84aeca4b28b0fc22fdb10884b8dea29e373841dd7fb80c5138
SHA512

cb51c6ce1778c0f0008cdac6258c1dec942b00cbc0f761c87c1cfc668fe9015a27ffff3ec70c7c0917f1f9f3b587e3437e3e8a0d4e4dd8413212dececc6cd58b
SSDEEP

768:chRkgYEzEVVgW7zLo2qwfnhDw/BWaSRVQrEoZCgnthdGkAL:cHkozEV2W7zLZqMlw43Rufcehs1L

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	4a64d1fa827049f83fad4bfea08dd654_JaffaCakes118.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\yqfprhqr = "rundll32.exe C:\\Windows\\system32\\yqfprhqr.d1l,Init"	4a64d1fa827049f83fad4bfea08dd654_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\yqfprhqr.d1l	4a64d1fa827049f83fad4bfea08dd654_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\yqfprhqr.d1l	4a64d1fa827049f83fad4bfea08dd654_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 5020	4704	4a64d1fa827049f83fad4bfea08dd654_JaffaCakes118.exe	86
PID 4704 wrote to memory of 5020	4704	4a64d1fa827049f83fad4bfea08dd654_JaffaCakes118.exe	86
PID 4704 wrote to memory of 5020	4704	4a64d1fa827049f83fad4bfea08dd654_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\4a64d1fa827049f83fad4bfea08dd654_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4a64d1fa827049f83fad4bfea08dd654_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Windows\system32\yqfprhqr.d1l,Init
  2⤵
  PID:5020

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\yqfprhqr.d1l

Filesize
66KB

MD5
83c9a408fe1572433ed764571014bfb2

SHA1
5c4d5c2de19e4db440ee8aff2560e9a7c087022b

SHA256
b30ebdd7518920adc330127e8af415ebee1467468465ec75777848ec1429dc79

SHA512
9cc89c69a2b3bec1741f3c773c52e367937003bb662e47c5acc180e5baaf6fa199b5f1b586b455fc2809514aa5a649fee1c7f2ce545bed9ffb92e2d990dc23b7

Download Submit
memory/4704-0-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4704-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads