9b2e76db4fa2b3f711fb181e2fe1c4611bef0fe432da0ed47e1f77b7a66e700e

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 00:13

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General

Target

2a4c8edbdb4a32136621c31a287fa166_JaffaCakes118.exe
Size

49KB
MD5

2a4c8edbdb4a32136621c31a287fa166
SHA1

4dbd09490a6cd243877aae6c861e27db05837f3f
SHA256

9b2e76db4fa2b3f711fb181e2fe1c4611bef0fe432da0ed47e1f77b7a66e700e
SHA512

d1741725d53da6a73c2c03cf596367c0771b8ce182d6c6d289d54bc25deffec725c2a34503bb6816fa074ced5cecbb516df61b81845913d8893dc8a3e795ffa8
SSDEEP

1536:ONp7pcokmb7WK19SuDsXYtCrlU+C5awO:OTxkmDf/DWYtCrllOa

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-1-5-21-3642458265-1901903390-453309326-1000\Control Panel\International\Geo\Nation	2a4c8edbdb4a32136621c31a287fa166_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 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\braviax = "C:\\Windows\\system32\\braviax.exe"	2a4c8edbdb4a32136621c31a287fa166_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\braviax = "C:\\Windows\\system32\\braviax.exe"	2a4c8edbdb4a32136621c31a287fa166_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\braviax.exe	2a4c8edbdb4a32136621c31a287fa166_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 4952 wrote to memory of 5032	4952	2a4c8edbdb4a32136621c31a287fa166_JaffaCakes118.exe	86
PID 4952 wrote to memory of 5032	4952	2a4c8edbdb4a32136621c31a287fa166_JaffaCakes118.exe	86
PID 4952 wrote to memory of 5032	4952	2a4c8edbdb4a32136621c31a287fa166_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\2a4c8edbdb4a32136621c31a287fa166_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2a4c8edbdb4a32136621c31a287fa166_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat" "
  2⤵
  PID:5032

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:\Users\Admin\AppData\Local\Temp\delself.bat

Filesize
230B

MD5
2fe9690a60d4bd27f3c4ddd736cde8b7

SHA1
d0f8bca883789b124e48068ce30b532ce20e6607

SHA256
8ca96cd4b3176b2f00e045a677c6e30b3e41bdfdcf2b891b2b0ec377bcf6936e

SHA512
d31c1d3f3f9a2c2800daa8bbc561d9ae35bb8beff9a73dc9e2034bcb528d9f7eea10acd4fe630900e5dc13203fa62b6ba851025eb100edb94e70186cdfdd20f3

Download Submit
memory/4952-0-0x0000000000402000-0x0000000000403000-memory.dmp

Filesize
4KB

Download
memory/4952-1-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4952-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4952-9-0x0000000000402000-0x0000000000403000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads