ba181e920e9f89d1c9f5718007d6f981ff1572c49b51fb48420a7b8ac848060d

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04-02-2024 20:49

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General

Target

uninstall.exe
Size

289KB
MD5

abf980841453e2a16b66e6f965f92c7c
SHA1

76407eee202f16e6d27b96756c38b6250ae06970
SHA256

26909d4b6138f335bf3af0ca0d1bea51b42a4b2a167931325a3d34eb9091d4e8
SHA512

ee432011ea12c19bc46091f75b51a32ce51edfaea9438d68638a097ad22e5dd7264144b82414712fb4a7416a8e07c97e599972ad7e154a4a311bf5a7d0ed460f
SSDEEP

6144:Ue34lBI+Rg4l8ai5PQtTZ763J8eWW43YLYjn5uO7D32fuCa7Bmy:Ilq4OaQQTYJ8eP4/L5uO7D3f5Bn

Score

7^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2880	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
2288	uninstall.exe
2880	Au_.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
behavioral13/files/0x000d0000000122e8-2.dat	nsis_installer_1
behavioral13/files/0x000d0000000122e8-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2880	2288	uninstall.exe	28
PID 2288 wrote to memory of 2880	2288	uninstall.exe	28
PID 2288 wrote to memory of 2880	2288	uninstall.exe	28
PID 2288 wrote to memory of 2880	2288	uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2288
- 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:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsd9A6C.tmp\aminsis.dll

Filesize
567KB

MD5
450753ad96785a240a39deccab3af0d0

SHA1
21c544064d2ffa6444508268ce258a330d459fc5

SHA256
1c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3

SHA512
c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab

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\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
289KB

MD5
abf980841453e2a16b66e6f965f92c7c

SHA1
76407eee202f16e6d27b96756c38b6250ae06970

SHA256
26909d4b6138f335bf3af0ca0d1bea51b42a4b2a167931325a3d34eb9091d4e8

SHA512
ee432011ea12c19bc46091f75b51a32ce51edfaea9438d68638a097ad22e5dd7264144b82414712fb4a7416a8e07c97e599972ad7e154a4a311bf5a7d0ed460f

Download Submit