fdb8f959a57aa87886dbcfd87ce1f596cb119441e98152ea69b82ec8aabfa1bc

Analysis

max time kernel
143s
max time network
140s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 21:34

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General

Target

fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe
Size

51KB
MD5

fb366ad8b7645047b8ea32cf599e921b
SHA1

e4a2d94dc2cde227dcf20d0dad80aa0cd75d5c5b
SHA256

fdb8f959a57aa87886dbcfd87ce1f596cb119441e98152ea69b82ec8aabfa1bc
SHA512

33cecdd121b721376f0023fcf22be543fca5240d3d520da855cd04b29e31f725ca87bbcf1cd8f0f429bf534e1af4bca9596655c45c5a11d60bfdf3480e24d9a2
SSDEEP

1536:+xCQwz7AjVVZ4XO61sUUL7Fxo+atdoF9V2nulF:cgAj2XO6uUykPtdoFunulF

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3064	optimize.exe

Loads dropped DLL 2 IoCs

pid	Process
2964	fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe
2964	fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 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\Internet Optimizer = "\"C:\\Program Files\\Internet Optimizer\\optimize.exe\""	fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Internet Optimizer = "\"C:\\Program Files\\Internet Optimizer\\optimize.exe\""	optimize.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Optimizer\optimize.exe	fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe
File opened for modification	C:\Program Files\Internet Optimizer\optimize.exe	fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 3064	2964	fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe	28
PID 2964 wrote to memory of 3064	2964	fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe	28
PID 2964 wrote to memory of 3064	2964	fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe	28
PID 2964 wrote to memory of 3064	2964	fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe	28

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\AMeOpt	optimize.exe

C:\Users\Admin\AppData\Local\Temp\fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb366ad8b7645047b8ea32cf599e921b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Program Files\Internet Optimizer\optimize.exe
  "C:\Program Files\Internet Optimizer\optimize.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System policy modification
  PID:3064

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Program Files\Internet Optimizer\optimize.exe

Filesize
51KB

MD5
fb366ad8b7645047b8ea32cf599e921b

SHA1
e4a2d94dc2cde227dcf20d0dad80aa0cd75d5c5b

SHA256
fdb8f959a57aa87886dbcfd87ce1f596cb119441e98152ea69b82ec8aabfa1bc

SHA512
33cecdd121b721376f0023fcf22be543fca5240d3d520da855cd04b29e31f725ca87bbcf1cd8f0f429bf534e1af4bca9596655c45c5a11d60bfdf3480e24d9a2

Download Submit
memory/2964-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2964-11-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3064-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3064-15-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads