f91b63543a21e56c1143b69c34844e52bbae0bb34d535acbff2ebad5e3cac43e

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 14:50

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General

Target

afa862db683b6b7198665bf204d171e8_JaffaCakes118.exe
Size

40KB
MD5

afa862db683b6b7198665bf204d171e8
SHA1

36cc5bca1da3be744c0a5fc765e76257dbdffdec
SHA256

f91b63543a21e56c1143b69c34844e52bbae0bb34d535acbff2ebad5e3cac43e
SHA512

a3ba3de94232bcf15bb044b38bb90b4c423a9e57518bbe5901677962dd67660c1e743173cdf340d6c4f6b340ae9db3222ef65c06d9580856d1e921d2af0f5dc4
SSDEEP

768:6sltaNBlzZwDM/iScPFIJfstmbrzRyzBwbVRHkKk5PwIWC9gUSWD:7lteJwDM/iSbtumbrFyzBwbVREPljvSa

Score

7^/10

discovery 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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	afa862db683b6b7198665bf204d171e8_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"	afa862db683b6b7198665bf204d171e8_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\braviax = "C:\\Windows\\system32\\braviax.exe"	afa862db683b6b7198665bf204d171e8_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\braviax.exe	afa862db683b6b7198665bf204d171e8_JaffaCakes118.exe

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

System Information Discovery
T1082

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	afa862db683b6b7198665bf204d171e8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 4420	1596	afa862db683b6b7198665bf204d171e8_JaffaCakes118.exe	84
PID 1596 wrote to memory of 4420	1596	afa862db683b6b7198665bf204d171e8_JaffaCakes118.exe	84
PID 1596 wrote to memory of 4420	1596	afa862db683b6b7198665bf204d171e8_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\afa862db683b6b7198665bf204d171e8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\afa862db683b6b7198665bf204d171e8_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4420

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
230B

MD5
d02680f67fb1a8122a80495f8c9a1d6c

SHA1
13189e2d33c2aff7d6f21083571e2daab81d5d83

SHA256
854730f3cc61e13e63ff99fb1a229bf7fc71facc17fe87a10abf63b3881e1001

SHA512
6e9729ecccc00013f562a5d862b20671060636d9d517a7e08a0313264b53edab2b5ba14aaa75c9e55052ecdffb71ccb5dee370d512a1a7e8f37f5854fee17ad6

Download Submit
memory/1596-0-0x0000000000580000-0x0000000000589000-memory.dmp

Filesize
36KB

Download
memory/1596-6-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads