b901e3801f1bb4b156041e191da4adb995e69c0aebe86ce8349b7c7f2d9427d7

Analysis

max time kernel
91s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 07:55

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General

Target

1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe
Size

244KB
MD5

1a83097ddec868cc4872ea3f2df9b76a
SHA1

2a8820a7d401d76446398fcc6fed916b2585d364
SHA256

b901e3801f1bb4b156041e191da4adb995e69c0aebe86ce8349b7c7f2d9427d7
SHA512

274972b43e35fb5edbe58c33f5c879b8cacc54a59e54eeec3785b72f69c7ded158c6e4fcef7d792dbcee88f6a64ce096dca044801e3d3254a589c2735d9c491d
SSDEEP

3072:OcQiSBOePHDkUe0mVZLTYNAUnSptxldQIaevadbRS/LKfuEaLeYbnfLk8GuhSi:vQ1b5elZLFUSLsevadF+KfhzY5b

Score

8^/10

persistence upx

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\npf.sys	1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe

Loads dropped DLL 3 IoCs

pid	Process
216	1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe
216	1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe
216	1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/216-5-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/216-15-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/216-7-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/216-3-0x0000000000400000-0x000000000049A000-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\sniffer = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe"	1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Packet.dll	1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wpcap.dll	1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2240	216	WerFault.exe	79

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
216	1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe
216	1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a83097ddec868cc4872ea3f2df9b76a_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 228
  2⤵
  - Program crash
  PID:2240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 216 -ip 216
1⤵
PID:3400

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

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Downloads

C:\Windows\SysWOW64\Packet.dll

Filesize
98KB

MD5
b4d3cbc053e70143d350d6107b94952c

SHA1
5ebdb0ef1f00a1024637adf106d7b2a9b43bbcda

SHA256
2198fd8cd738d6281c8c1fc4845effd251b3d6b7f83b9f4f927d6430cf12537b

SHA512
539244352ffc0ca6e08bba2704abd1286873375dad28421862bd9ce7a8146d9472dc5e4ac3edb59ae741f5b178cd22f976fbba62a0bc71c09160e1c9f178e523

Download Submit
C:\Windows\SysWOW64\wpcap.dll

Filesize
274KB

MD5
dae5f233818083af69e2e5133a50a2cb

SHA1
18a2672972a9440f51b3d416a933b20b8ae6252a

SHA256
b0ce20a14e8cef5a94e2ef057e5685eac3636c6b71166b4f99af31c3422c4121

SHA512
ca71f6b0c2c1f5c00eda9af97b4426c9ca386785c5f0d712dc971ddf0b13e1a0e7ef691932b61c5fda009df2da8422df09ffaf5061aa0b674a98dcc57caa405a

Download Submit
memory/216-1-0x00000000020B0000-0x00000000020B1000-memory.dmp

Filesize
4KB

Download
memory/216-0-0x00000000020B0000-0x00000000020B1000-memory.dmp

Filesize
4KB

Download
memory/216-5-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/216-15-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/216-14-0x0000000000460000-0x0000000000493000-memory.dmp

Filesize
204KB

Download
memory/216-19-0x0000000002140000-0x0000000002159000-memory.dmp

Filesize
100KB

Download
memory/216-7-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/216-3-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download