2cf3e45133283060572ecc7d30fd5c97485f5ea61109f0135f643cf1b14b7962

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 18:13

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General

Target

0f0be926455e433e1ccd852e4732945a_JaffaCakes118.dll
Size

181KB
MD5

0f0be926455e433e1ccd852e4732945a
SHA1

144b47dbcc0de23321cfa11ce62f253373b1a459
SHA256

2cf3e45133283060572ecc7d30fd5c97485f5ea61109f0135f643cf1b14b7962
SHA512

bf1e571b52b52adf5422d21e1ad0c8474e578f9c597f4804a6823ed2379b05c45750fde5ba3b1b3f0dd6608aa76a8418a50ccb99ccaa83b37904e984c3b90622
SSDEEP

3072:YIAkSEGZNJeFe8/Lno8YPbbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVU7uJRB:jAREGU1Dno8YDwvP6bQ7yMP+DE827uLB

Score

6^/10

bootkit persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	regsvr32.exe

Modifies registry class 17 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL\AppID = "{D103EBF9-6DD5-4715-863A-00AA27C7935A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A}\ = "loader"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\ = "loader 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0f0be926455e433e1ccd852e4732945a_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2100	2056	regsvr32.exe	28
PID 2056 wrote to memory of 2100	2056	regsvr32.exe	28
PID 2056 wrote to memory of 2100	2056	regsvr32.exe	28
PID 2056 wrote to memory of 2100	2056	regsvr32.exe	28
PID 2056 wrote to memory of 2100	2056	regsvr32.exe	28
PID 2056 wrote to memory of 2100	2056	regsvr32.exe	28
PID 2056 wrote to memory of 2100	2056	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0f0be926455e433e1ccd852e4732945a_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0f0be926455e433e1ccd852e4732945a_JaffaCakes118.dll
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Modifies registry class
  PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2100-0-0x0000000010000000-0x0000000010042000-memory.dmp

Filesize
264KB

Download
memory/2100-1-0x00000000001B0000-0x00000000001E0000-memory.dmp

Filesize
192KB

Download
memory/2100-2-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads