b842e45d493b0ed6abc0cc76467ebb9d1440389334054e98ebf327e2a349221f

Analysis

max time kernel
157s
max time network
86s
platform
windows10-1703_x64
resource
win10-20231020-en
resource tags

arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
submitted
12/11/2023, 10:02

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General

Target

b842e45d493b0ed6abc0cc76467ebb9d1440389334054e98ebf327e2a349221f.exe
Size

2.5MB
MD5

5f5a15189f9eca3843ae765a41106e3f
SHA1

4964d07c75c5e797b16074f33e8b710dda410fe0
SHA256

b842e45d493b0ed6abc0cc76467ebb9d1440389334054e98ebf327e2a349221f
SHA512

df3e1d3d1fd26cb012d9dc2672551e491b62b05b0b64143d1ec72c0d5c6cb9fa20c1f853454f2490e0df0ca189c3c8ba6a14bb84bfa6aa1be9f09058cd6f25ee
SSDEEP

49152:CD2s5FXQ4EmojLjCRELVf7Avil+dHIsLp1thIikN+6u2hs1:CRzX71oDCRAZUviAHImDqia7hs1

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4104	Broom.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4104	Broom.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 4104	4912	b842e45d493b0ed6abc0cc76467ebb9d1440389334054e98ebf327e2a349221f.exe	70
PID 4912 wrote to memory of 4104	4912	b842e45d493b0ed6abc0cc76467ebb9d1440389334054e98ebf327e2a349221f.exe	70
PID 4912 wrote to memory of 4104	4912	b842e45d493b0ed6abc0cc76467ebb9d1440389334054e98ebf327e2a349221f.exe	70

C:\Users\Admin\AppData\Local\Temp\b842e45d493b0ed6abc0cc76467ebb9d1440389334054e98ebf327e2a349221f.exe
"C:\Users\Admin\AppData\Local\Temp\b842e45d493b0ed6abc0cc76467ebb9d1440389334054e98ebf327e2a349221f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Users\Admin\AppData\Local\Temp\Broom.exe
  C:\Users\Admin\AppData\Local\Temp\Broom.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Broom.exe

Filesize
5.3MB

MD5
00e93456aa5bcf9f60f84b0c0760a212

SHA1
6096890893116e75bd46fea0b8c3921ceb33f57d

SHA256
ff3025f9cf19323c5972d14f00f01296d6d7a71547eca7e4016bfd0e1f27b504

SHA512
abd2be819c7d93bd6097155cf84eaf803e3133a7e0ca71f9d9cbc3c65e4e4a26415d2523a36adafdd19b0751e25ea1a99b8d060cad61cdfd1f79adf9cd4b4eca

Download Submit
memory/4104-3-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/4104-4-0x0000000000400000-0x0000000000965000-memory.dmp

Filesize
5.4MB

Download
memory/4104-6-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/4104-9-0x0000000000400000-0x0000000000965000-memory.dmp

Filesize
5.4MB

Download
memory/4104-10-0x0000000000400000-0x0000000000965000-memory.dmp

Filesize
5.4MB

Download