722018f7c9ae47ffa1e6372e8134b35cd1598cfc40935172222beb56d7ebefff

Resubmissions

12-12-2022 15:33

221212-szalfsbg25 10

12-12-2022 15:30

221212-sxkcwaed8w 3

Analysis

max time kernel
38s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12-12-2022 15:33

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General

Target

IRS_Form-12-09#190.iso
Size

1.8MB
MD5

6c9e3fb476ed918865649c003308b614
SHA1

6eff37754b16fec4da00742aca1e68f286c9a7c4
SHA256

722018f7c9ae47ffa1e6372e8134b35cd1598cfc40935172222beb56d7ebefff
SHA512

2f31aa660b7217619405503a48a5ef84fdcf746cde8bc15d5230b2294c0eaaa40cdc5df8e743fcecb30214c2c537a8cc913623405e02e6df56e4540a34d77b2c
SSDEEP

24576:g0zID/kJAHL/WPXoPcTPbgrQlRNKIg8g:g0u/WPXoPcTPbgrQlRNKIg8g

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1376 wrote to memory of 960	1376	cmd.exe	isoburn.exe
PID 1376 wrote to memory of 960	1376	cmd.exe	isoburn.exe
PID 1376 wrote to memory of 960	1376	cmd.exe	isoburn.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\IRS_Form-12-09#190.iso
1⤵
- Suspicious use of WriteProcessMemory
PID:1376

C:\Windows\System32\isoburn.exe
"C:\Windows\System32\isoburn.exe" "C:\Users\Admin\AppData\Local\Temp\IRS_Form-12-09#190.iso"
2⤵
PID:960

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/960-76-0x0000000000000000-mapping.dmp

Download
memory/1376-54-0x000007FEFBC01000-0x000007FEFBC03000-memory.dmp

Filesize
8KB

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