82d12726504d201985eca7e099c4bd5fda5b18fbf94b3dc8924de8d19b60c31e

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15-07-2024 23:55

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General

Target

4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe
Size

1.4MB
MD5

4bf516868ef064ee2a3481e517c5eb89
SHA1

409bbd5ed303ae82de4bed6575ea0b876804c6eb
SHA256

82d12726504d201985eca7e099c4bd5fda5b18fbf94b3dc8924de8d19b60c31e
SHA512

9dacf2fbf6794c47bc9909a8968e35ecfc65823f309667491c41af17d5f9048ca9bfe987d067840110ebff6e4c92ddf7bcb8f71e14c69b6301c1391463d238f1
SSDEEP

12288:HPldPZdPnsH5utjLPhdPZdPXPldPZdPePldPZdPnsH5utjISDyTFtjLPqdPZdPXg:rsH5utjusH5utjhDyTFtjfsH5utj

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2812	tmp259454092.exe
2784	tmp259454108.exe

Loads dropped DLL 4 IoCs

pid	Process
2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe
2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe
2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe
2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2816-17-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/2816-33-0x0000000000400000-0x000000000041F000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\fsb.tmp	tmp259454092.exe
File opened for modification	C:\Windows\SysWOW64\fsb.tmp	tmp259454092.exe
File created	C:\Windows\SysWOW64\notpad.exe	tmp259454092.exe
File created	C:\Windows\SysWOW64\notpad.exe-	tmp259454092.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "%SystemRoot%\\system32\\NOTPAD.EXE %1"	tmp259454092.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2812	2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe	31
PID 2816 wrote to memory of 2812	2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe	31
PID 2816 wrote to memory of 2812	2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe	31
PID 2816 wrote to memory of 2812	2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe	31
PID 2816 wrote to memory of 2784	2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe	32
PID 2816 wrote to memory of 2784	2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe	32
PID 2816 wrote to memory of 2784	2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe	32
PID 2816 wrote to memory of 2784	2816	4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4bf516868ef064ee2a3481e517c5eb89_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Local\Temp\tmp259454092.exe
  C:\Users\Admin\AppData\Local\Temp\tmp259454092.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Modifies registry class
  PID:2812
- C:\Users\Admin\AppData\Local\Temp\tmp259454108.exe
  C:\Users\Admin\AppData\Local\Temp\tmp259454108.exe
  2⤵
  - Executes dropped EXE
  PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp259454092.exe

Filesize
123KB

MD5
d58fe1e8fe18394e0995986429b2ca3b

SHA1
f73633b5b0b6c1224810f8472d16824cdeb132bc

SHA256
70fbc4f3e0a397e371637013d3ae26c3a7a806abc97d0ad4267d2d74400e8da4

SHA512
f2ae129f534bffa370e917c093b37ae993e1448e434dd283f09bbea896dab6c140bea37486a8cb93f3bf02eb1e987bfc9694fa52a85b5f74b07ada4b129d2634

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp259454108.exe

Filesize
64KB

MD5
562a3b03546536307ac47fcb0ceadcde

SHA1
a8fc96c901579cb29ee64f06e724fbc598dbfab3

SHA256
e328b2406d8784e54e77ccc7dbe8e3731891a703e6c21cf7e2f924fa8a42ea5c

SHA512
b9ebea8c230d413eccca4fc957478f76a0249c16988fdc53fa7fb8b260b5661dcfecfd8ec4962efd861f23837804503a946cb1a050847082af26faaf9fa104a6

Download Submit
memory/2812-34-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2816-17-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2816-33-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download