2eb8e04d2eb107fd8d47184736cb42a0abebe0b16638feaf37d424935f56ce35

Analysis

max time kernel
141s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 07:15

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General

Target

33c1d5936445d8ac1f0aac7176eee443_JaffaCakes118.exe
Size

22KB
MD5

33c1d5936445d8ac1f0aac7176eee443
SHA1

83c8695959940aa926458a3f736e12c7769f5c32
SHA256

2eb8e04d2eb107fd8d47184736cb42a0abebe0b16638feaf37d424935f56ce35
SHA512

b550204394a43536e264fe36ea3b1d1e705917d08e8737f0afb2086a292ccbb1613e98b21c9df04e4d51d2e42ea17daaa75d2355e598492340c2397f6afb5854
SSDEEP

384:/TcLyEKVQ+xJJ/SNhzVjUvpCaHv6MXsAZ64r+kxO:/wLypPJJKZ4pliXAZhr+kxO

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4624	systyr.exe

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\systyr = "C:\\WINDOWS\\System32\\systyr.exe"	systyr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\SysWOW64\systyr.exe	33c1d5936445d8ac1f0aac7176eee443_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1656	33c1d5936445d8ac1f0aac7176eee443_JaffaCakes118.exe
4624	systyr.exe
4624	systyr.exe
4624	systyr.exe
4624	systyr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 4624	1656	33c1d5936445d8ac1f0aac7176eee443_JaffaCakes118.exe	82
PID 1656 wrote to memory of 4624	1656	33c1d5936445d8ac1f0aac7176eee443_JaffaCakes118.exe	82
PID 1656 wrote to memory of 4624	1656	33c1d5936445d8ac1f0aac7176eee443_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\33c1d5936445d8ac1f0aac7176eee443_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\33c1d5936445d8ac1f0aac7176eee443_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656
- C:\WINDOWS\SysWOW64\systyr.exe
  C:\WINDOWS\system32\systyr.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  PID:4624

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\SysWOW64\systyr.exe

Filesize
16KB

MD5
eebad70716b84affd8076427d2fedcb1

SHA1
f1eb88f890c7f24aab329fb0b874211e04981358

SHA256
cf24b696e1f8fb1774a6d0921a0094c181062430b5a5307c02d51347f2cdcd17

SHA512
3b00e29e4a0111d5162b1957da868d65b3b96d3370033306b0aef2239979606189790ef41c74381db2c1b1f5188c5b3dadb12b13cb0ccfb43ec3d185bb30aa59

Download Submit
memory/1656-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1656-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download
memory/1656-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4624-8-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4624-9-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download
memory/4624-29-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4624-31-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads