efcfe10cb0941a520d18c6ed377b483f126bbb05f1901bdca5d0c8881046cf2c

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/04/2024, 15:48

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General

Target

eb6b788d45c68d08abe11c2163f24c8f_JaffaCakes118.exe
Size

28KB
MD5

eb6b788d45c68d08abe11c2163f24c8f
SHA1

4ceb0d6ef08d0be9f3535009a96a174cd0f9a65d
SHA256

efcfe10cb0941a520d18c6ed377b483f126bbb05f1901bdca5d0c8881046cf2c
SHA512

00111ebcfb2cebb5e1df6ada6b6e7c8aca1ec110c7c8145f2c947e77ba040323fd5fdf4f232c6c4dadf1475d0350ef466bd743c3476bd8004f728de118c82841
SSDEEP

768:0IDSPTMyqvnhgkrMCqZ3OwOQwUR8JIRecM:UrMyyiCqMwOT91

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4992	winlgon.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4852-0-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral2/files/0x000c0000000231b7-3.dat	upx
behavioral2/memory/4852-4-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral2/memory/4992-6-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral2/memory/4992-7-0x0000000000400000-0x0000000000415000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 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\.service = "C:\\Windows\\system\\winlgon.exe"	eb6b788d45c68d08abe11c2163f24c8f_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\winlgon.exe	eb6b788d45c68d08abe11c2163f24c8f_JaffaCakes118.exe
File opened for modification	C:\Windows\system\winlgon.exe	eb6b788d45c68d08abe11c2163f24c8f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 4992	4852	eb6b788d45c68d08abe11c2163f24c8f_JaffaCakes118.exe	87
PID 4852 wrote to memory of 4992	4852	eb6b788d45c68d08abe11c2163f24c8f_JaffaCakes118.exe	87
PID 4852 wrote to memory of 4992	4852	eb6b788d45c68d08abe11c2163f24c8f_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\eb6b788d45c68d08abe11c2163f24c8f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb6b788d45c68d08abe11c2163f24c8f_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4852
- C:\Windows\system\winlgon.exe
  C:\Windows\system\winlgon.exe
  2⤵
  - Executes dropped EXE
  PID:4992

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

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Downloads

C:\Windows\System\winlgon.exe

Filesize
28KB

MD5
eb6b788d45c68d08abe11c2163f24c8f

SHA1
4ceb0d6ef08d0be9f3535009a96a174cd0f9a65d

SHA256
efcfe10cb0941a520d18c6ed377b483f126bbb05f1901bdca5d0c8881046cf2c

SHA512
00111ebcfb2cebb5e1df6ada6b6e7c8aca1ec110c7c8145f2c947e77ba040323fd5fdf4f232c6c4dadf1475d0350ef466bd743c3476bd8004f728de118c82841

Download Submit
memory/4852-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4852-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4992-6-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4992-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads