5668a8499d115b08272d62cd9fa2ba955ae975841377f60587ee24acb044b54e

Analysis

max time kernel
140s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 05:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Size

978KB
MD5

a58fbfd4205a59d69fa8ab437a49527f
SHA1

5452d846c75ab346bb5bae13ee5ec75081ce6346
SHA256

5668a8499d115b08272d62cd9fa2ba955ae975841377f60587ee24acb044b54e
SHA512

c0202999a9802445bcdc6c5883e70fe2b00b22a54172b10cde464bd5f068dbb92ab23de7b18aaf31291089ae3af527eb0eba3ad552cb1b3f4f3fa12a5bb3f230
SSDEEP

24576:TcaBtyMor/phYaSa0/wB3TpbBhzxmHWNXYbhii5y+isYRo+fM:TVh3CYbhii5yBRo+0

Score

5^/10

discovery

Malware Config

Signatures

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\yytmp1\yyws4.9.31.tmp	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\yytmp1\yyws4.9.3lk1.tmp	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\syys4.9.3.syw	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ÓÑÒæÎÄÊé.exe	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\ÓÑÒæÎÄÊé.exe	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.yws	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile\Version	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile\shell\open\command	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile\shell\open\command\ = "C:\\Windows\\SysWow64\\ÓÑÒæÎÄÊé.exe %1"	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile\ = "ÓÑÒæÎÄÊé"	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.yws\ = "ywsfile"	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile\Version\ = "4.9.3"	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile\shell	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile\shell\open	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile\DefaultIcon	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile\DefaultIcon\ = "C:\\Windows\\SysWow64\\ÓÑÒæÎÄÊé.exe,2"	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3196	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
3196	a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a58fbfd4205a59d69fa8ab437a49527f_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3196

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=3840,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=4352 /prefetch:8
1⤵
PID:2356

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3196-0-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/3196-4-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/3196-3-0x0000000000400000-0x00000000004D3000-memory.dmp

Filesize
844KB

Download