f4d72516e3e60d2cd3a103c227be0dd923578e932bec9121b6d134d96b4d0984

Analysis

max time kernel
117s
max time network
149s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
07-11-2023 14:11

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General

Target

Programs/Imager/IsoBuster.dll
Size

1.7MB
MD5

93cdf7be2ecb3f4487356f9bfc364c1f
SHA1

dd239f081cadbccea07397b2ea39fd94cbee5b16
SHA256

8b9803a86c79f89dc1e831081407fa45b3ce480b3169fd19f90aa0e638323eb0
SHA512

1b5cfc72a11673557e37372e9e6861196c8596628c786503c38003d91f3df2412b3496ce5ed75abf7647fdd230efb3b3e1a38f55d0540d0f38fb22ca2328f084
SSDEEP

24576:ISZ+l75FT4yjCY89RG6WEDCK97dc0Y0DM1yUk/DYz8bavv1GPZBisOquj17vbTkz:2J5qyOlL7WN0DM1yU2szRRXqU9DpTYSk

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2332	2876	rundll32.exe	30
PID 2876 wrote to memory of 2332	2876	rundll32.exe	30
PID 2876 wrote to memory of 2332	2876	rundll32.exe	30
PID 2876 wrote to memory of 2332	2876	rundll32.exe	30
PID 2876 wrote to memory of 2332	2876	rundll32.exe	30
PID 2876 wrote to memory of 2332	2876	rundll32.exe	30
PID 2876 wrote to memory of 2332	2876	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Programs\Imager\IsoBuster.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Programs\Imager\IsoBuster.dll,#1
  2⤵
  - Enumerates connected drives
  PID:2332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2332-0-0x0000000001FE0000-0x00000000021FF000-memory.dmp

Filesize
2.1MB

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