5a346e16df8a4e5b3af84833fac97469a3a268375b7181cfa61e5a2155e64adf

Analysis

max time kernel
143s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 18:37

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General

Target

uninst Purity.exe
Size

212KB
MD5

cd3286e328c8f5a6cfc58bccfdc6b6ba
SHA1

a39ff471ec081ec1a89d5511e1a87fd1c2e4462d
SHA256

5869a0ebad4731751c9c21975a2861363fabd79985fe93d3c4cb3595a6da23c7
SHA512

a96ca8cc6ee6e26940345bbeb2a639577322b03fa0146f24ba5fca3e7a1313c3e7911fb8a3b232dab75a958a3acbb970466979089d5fb90b05602c4b3142b53a
SSDEEP

3072:XLk395hYXJewl03IT2TkMjKK1HNz0DPWFjdhdWdyWmlvJYDBW7gYN:XQqkwkI6kMBn0KFj18IYWF

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5028	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
5028	Au_.exe
5028	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
behavioral24/files/0x00070000000231fa-4.dat	nsis_installer_1
behavioral24/files/0x00070000000231fa-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 5028	4920	uninst Purity.exe	90
PID 4920 wrote to memory of 5028	4920	uninst Purity.exe	90
PID 4920 wrote to memory of 5028	4920	uninst Purity.exe	90

C:\Users\Admin\AppData\Local\Temp\uninst Purity.exe
"C:\Users\Admin\AppData\Local\Temp\uninst Purity.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4920
- 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:5028

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\nsh58C0.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh58C0.tmp\LangDLL.dll

Filesize
5KB

MD5
9384f4007c492d4fa040924f31c00166

SHA1
aba37faef30d7c445584c688a0b5638f5db31c7b

SHA256
60a964095af1be79f6a99b22212fefe2d16f5a0afd7e707d14394e4143e3f4f5

SHA512
68f158887e24302673227adffc688fd3edabf097d7f5410f983e06c6b9c7344ca1d8a45c7fa05553adcc5987993df3a298763477168d4842e554c4eb93b9aaaf

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh58C0.tmp\ioSpecial.ini

Filesize
643B

MD5
f1c53dffe439740957e9adff044f6d91

SHA1
9d9a3bf24bf5b410d36da551665a61459f11da04

SHA256
01e3901faeb37d382bdc988446e5627ecd4f292a077f33ac4dc26438ee3a12f6

SHA512
5c9459b7ebab2d5fd54ece7cf666e973ca881b295be702ef244835de89017c37acb3e2d03da1a77296c8b1cdc761f892b091bf75cda80ffd4ba9090b1fc0f196

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

Filesize
212KB

MD5
cd3286e328c8f5a6cfc58bccfdc6b6ba

SHA1
a39ff471ec081ec1a89d5511e1a87fd1c2e4462d

SHA256
5869a0ebad4731751c9c21975a2861363fabd79985fe93d3c4cb3595a6da23c7

SHA512
a96ca8cc6ee6e26940345bbeb2a639577322b03fa0146f24ba5fca3e7a1313c3e7911fb8a3b232dab75a958a3acbb970466979089d5fb90b05602c4b3142b53a

Download Submit