865030e7c7d94ab7f85f5c9b02a17a3deb0d74363c4506880b00d9ddfd951bf6

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/04/2024, 15:16

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe
Size

10KB
MD5

ff922c3a7fbe3255f547b2f176b151d5
SHA1

832003938f1076a6a03ae6df1591c3005fa0d772
SHA256

865030e7c7d94ab7f85f5c9b02a17a3deb0d74363c4506880b00d9ddfd951bf6
SHA512

c4992b1dc1472136b547ebf7cc4fee7a6e31f94ab3273a2a90f7aff66f4278599c069221b084d9d21a864a81760ddcce303cc90576e37c94964b809da0fc6566
SSDEEP

192:fDuFSHP37IQsDocCg3wPjdadrLVc7PG1KnoeSjKSBH1KXZl819/V3Z:bKSvrIQsD1APjdadrBEoHR1sl8b

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
2604	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2300	mduaeyk.exe

Loads dropped DLL 2 IoCs

pid	Process
2928	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe
2928	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2928-1-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/files/0x000a0000000144e9-3.dat	upx
behavioral1/memory/2928-4-0x0000000000030000-0x000000000003E000-memory.dmp	upx
behavioral1/memory/2300-12-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2928-20-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mduaey.dll	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\mduaeyk.exe	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\mduaeyk.exe	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2300	2928	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2300	2928	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2300	2928	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2300	2928	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2604	2928	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe	29
PID 2928 wrote to memory of 2604	2928	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe	29
PID 2928 wrote to memory of 2604	2928	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe	29
PID 2928 wrote to memory of 2604	2928	ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\mduaeyk.exe
  C:\Windows\system32\mduaeyk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2300
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  PID:2604

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe.bat

Filesize
210B

MD5
3f9d1126ac6f74ab3268575830b3d977

SHA1
1d6cfbb844715e533625ebc7ef11c1381ca4a43b

SHA256
5a06b5b40ea3c2ee78b4053e124536c2b2368db38ab347ed1186bcc24931bdfb

SHA512
2b08362f1e493aa7636d92ab89f2ef45b4c7175332288867ac53868bb59bbbd827dfd9de8972b62769ae1a34fab0568ce1a7ca3cf54706b533110175cf60f689

Download Submit
\Windows\SysWOW64\mduaeyk.exe

Filesize
10KB

MD5
ff922c3a7fbe3255f547b2f176b151d5

SHA1
832003938f1076a6a03ae6df1591c3005fa0d772

SHA256
865030e7c7d94ab7f85f5c9b02a17a3deb0d74363c4506880b00d9ddfd951bf6

SHA512
c4992b1dc1472136b547ebf7cc4fee7a6e31f94ab3273a2a90f7aff66f4278599c069221b084d9d21a864a81760ddcce303cc90576e37c94964b809da0fc6566

Download Submit
memory/2300-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2928-1-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2928-4-0x0000000000030000-0x000000000003E000-memory.dmp

Filesize
56KB

Download
memory/2928-11-0x0000000000030000-0x000000000003E000-memory.dmp

Filesize
56KB

Download
memory/2928-20-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download