f8821056b53db9e6f7f1cca9f902ba086e1a27c4417d5ec4f56436d8f8d34587

Analysis

max time kernel
139s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19-07-2024 23:27

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General

Target

Uninstall.exe
Size

99KB
MD5

07695a6be08df43a936644bdda980fb8
SHA1

21ac843bbfbea6f793ecc972878a2a3dcdf3eadb
SHA256

6e715a31a5791e1be88244d645bc2233c379f0fcc606ab21f4800b4c982e66b6
SHA512

8633a94b413abfdccd268837c68e24a2e7497ef0809b08428df487bf7b1fb3e3d54b85a53b3f47f1ca144968723a21cf6f7596c36604f285f21c65f3ae4c4491
SSDEEP

1536:aQpQ5EP0ijnRTXJOgm7yiqCueo94QoJLD7AcL1Sjl+fS2MVI:aQIURTXJOVA5eSopD7AifS2d

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1692	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
1692	Au_.exe
1692	Au_.exe
1692	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral12/files/0x000700000002347f-4.dat	nsis_installer_1
behavioral12/files/0x000700000002347f-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1692	2548	Uninstall.exe	84
PID 2548 wrote to memory of 1692	2548	Uninstall.exe	84
PID 2548 wrote to memory of 1692	2548	Uninstall.exe	84

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1692

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\nsaAC8E.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsaAC8E.tmp\nsDialogs.dll

Filesize
9KB

MD5
c10e04dd4ad4277d5adc951bb331c777

SHA1
b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

SHA256
e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

SHA512
853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
99KB

MD5
07695a6be08df43a936644bdda980fb8

SHA1
21ac843bbfbea6f793ecc972878a2a3dcdf3eadb

SHA256
6e715a31a5791e1be88244d645bc2233c379f0fcc606ab21f4800b4c982e66b6

SHA512
8633a94b413abfdccd268837c68e24a2e7497ef0809b08428df487bf7b1fb3e3d54b85a53b3f47f1ca144968723a21cf6f7596c36604f285f21c65f3ae4c4491

Download Submit