a0b02ae9bdc6808aa06ae218f8c74fa9bcbdcc4e651d9cd24570bd6c05d71bcd

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2024, 02:22

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General

Target

uninst.exe
Size

70KB
MD5

2a470f1554fd09f0b7c1328d697e35b1
SHA1

3763d3b329e4d56f235341f4557aa422fa9fa18c
SHA256

ffd39d206d7ce811a430178038fa84c141ddc56ff4f5560d7444f4487a72253c
SHA512

ba1cd75d13e24ed553539a56d5d937426816ed69b34bad31d488893e6e84c5cbdc853679867815710880bf9cf45b0b9fba28e90b8a3ed06333a18cf6274762e7
SSDEEP

1536:z3cpyORJLuB4P4AJJ+gdLeAyN1VKkvjfUUF7SWMttOTYZU4TT:z3c1fP4AJJ+ceAydvjfUK7hMtCF4TT

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4012	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
4012	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
4012	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
behavioral22/files/0x000700000002341d-4.dat	nsis_installer_1
behavioral22/files/0x000700000002341d-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 4012	4196	uninst.exe	80
PID 4196 wrote to memory of 4012	4196	uninst.exe	80
PID 4196 wrote to memory of 4012	4196	uninst.exe	80

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4196
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4012

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\nsm58D0.tmp\AlInst.dll

Filesize
38KB

MD5
1765624eb7554857f03706c4e46f874d

SHA1
800063960ced61c1a61ec0f1aaa5e3ed47dd98e5

SHA256
911fe5e87465dcfd461306dca31f8b60bf8d3be94d9fd2da2c91efc1bbc143a7

SHA512
7de4ae16776f9e63a29de1427a6a8779ab6e32a2bc9254aae93da27164c698bc314cb7fcce8b6966a5145ea4404fbcea33f2671dc862c46260fe9f6fd24d366c

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

Filesize
70KB

MD5
2a470f1554fd09f0b7c1328d697e35b1

SHA1
3763d3b329e4d56f235341f4557aa422fa9fa18c

SHA256
ffd39d206d7ce811a430178038fa84c141ddc56ff4f5560d7444f4487a72253c

SHA512
ba1cd75d13e24ed553539a56d5d937426816ed69b34bad31d488893e6e84c5cbdc853679867815710880bf9cf45b0b9fba28e90b8a3ed06333a18cf6274762e7

Download Submit
memory/4012-14-0x0000000007E10000-0x0000000007E74000-memory.dmp

Filesize
400KB

Download