c64f24e90d29ea1dd38df270d91e850fc7e9b490763d8101b1657b18153c4534

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-07-2024 03:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe
Size

235KB
MD5

5a4a55c0b2b39f05b8a5e72baed47af4
SHA1

a539930b15e8d519e724564f92b2f8b19a80b672
SHA256

c64f24e90d29ea1dd38df270d91e850fc7e9b490763d8101b1657b18153c4534
SHA512

272ef93ca1e26e891cc050c9dba1d03dfb08a68c0b1df466ea77c4d8c4c033d49ddf7ea08dd89f49f57854997652d1f1619222af32f92db76a39eb26368e7f3f
SSDEEP

6144:Hk3FC0He3z1s0VGlAIGbE+fmV/+DnFwVE3pPLCYP5lzQM:EVCyOz1s0VrE1/+hw+3pPBBB/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2376	SkypeClient.exe

Loads dropped DLL 2 IoCs

pid	Process
1992	5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe
1992	5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\SkypeClient.exe	5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\Main	5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2376	SkypeClient.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1992	5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe
1992	5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe
2376	SkypeClient.exe
2376	SkypeClient.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2376	1992	5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2376	1992	5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2376	1992	5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2376	1992	5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5a4a55c0b2b39f05b8a5e72baed47af4_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992
- C:\WINDOWS\SysWOW64\SkypeClient.exe
  "C:\WINDOWS\system32\SkypeClient.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Windows\SysWOW64\SkypeClient.exe

Filesize
80KB

MD5
27c7b4f864b3629128f76f78a4285329

SHA1
99dad30a0b46c21d2f383836f0558a76d020b057

SHA256
5d89482116d59c64650b50c290f81baf4aa4ad793b1c7cbdd1d1e7040fb948db

SHA512
149441e8ea64a2914fdb1afd60bae746a625cb84f051e20e17028e4e6d4b2a15cecf44112290c2f4a9a42c452d181f3e2968a2bbab9c85d825fb5053f52cbbb3

Download Submit
memory/1992-0-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/1992-10-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1992-13-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1992-25-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1992-26-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download