224aaa33d14e22344ace695ae30f54f6fa866d96995e5c655f2a0baa9ff04703

Analysis

max time kernel
142s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-05-2024 07:15

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General

Target

74b544a2dba07ac124285e2ff8a330e5_JaffaCakes118.exe
Size

107KB
MD5

74b544a2dba07ac124285e2ff8a330e5
SHA1

e687f1b15e3b180f44aeaa804a7476b32b765317
SHA256

224aaa33d14e22344ace695ae30f54f6fa866d96995e5c655f2a0baa9ff04703
SHA512

d5442314ed655b0a4ce3891b6559bc7ff37db8d26c5c98778538ab7999cff953c195bb080d9dd4f39356ad624120b1d98a75ff081d4393f8d027f64900fb7dcf
SSDEEP

1536:nDdP8cdnG3eQ8GAaUKtwIxDHB4qWrkkdXpr3GtZO/1tIrre4PV3taDC:nDdkcJGUAB78kk/jN1tIrre4d3Y

Score

7^/10

bootkit persistence

Malware Config

Signatures

Drops startup file 1 IoCs

Processes:

74b544a2dba07ac124285e2ff8a330e5_JaffaCakes118.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\userinit.lnk	74b544a2dba07ac124285e2ff8a330e5_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

Processes:

74b544a2dba07ac124285e2ff8a330e5_JaffaCakes118.exe

pid process

2012 74b544a2dba07ac124285e2ff8a330e5_JaffaCakes118.exe

pid	process
2012	74b544a2dba07ac124285e2ff8a330e5_JaffaCakes118.exe

Unexpected DNS network traffic destination 7 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description	ioc
Destination IP	139.99.66.103
Destination IP	139.99.66.103
Destination IP	139.99.66.103
Destination IP	139.99.66.103
Destination IP	139.99.66.103
Destination IP	139.99.66.103
Destination IP	139.99.66.103

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

Processes:

74b544a2dba07ac124285e2ff8a330e5_JaffaCakes118.exe

description ioc process

File opened for modification \??\PhysicalDrive0 74b544a2dba07ac124285e2ff8a330e5_JaffaCakes118.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	\??\PhysicalDrive0	74b544a2dba07ac124285e2ff8a330e5_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\74b544a2dba07ac124285e2ff8a330e5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\74b544a2dba07ac124285e2ff8a330e5_JaffaCakes118.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
PID:2012

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\userinit.exe
Filesize
107KB

MD5
74b544a2dba07ac124285e2ff8a330e5

SHA1
e687f1b15e3b180f44aeaa804a7476b32b765317

SHA256
224aaa33d14e22344ace695ae30f54f6fa866d96995e5c655f2a0baa9ff04703

SHA512
d5442314ed655b0a4ce3891b6559bc7ff37db8d26c5c98778538ab7999cff953c195bb080d9dd4f39356ad624120b1d98a75ff081d4393f8d027f64900fb7dcf

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