793cb7063c59c9224b893bf4a946544513fa69c803862e6d103067b0cfedf514

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 23:01

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General

Target

uninstall.exe
Size

289KB
MD5

e8c7641b8e280e4c8f0a605354f77f8b
SHA1

7568ab7fafea8494007214b0fc41b567658966a3
SHA256

5f35be12102f10fe497611be83b3a680cf16c74ea1b5ccbb479a0f8845388a73
SHA512

622cad194f52040a6ddc008a70181e28edfa7eb1ee74c1e8e1a31fb53d227079b78d84821e54f252be8c2ae6b48a17f77030f38131dd7e24a3810dad30578020
SSDEEP

6144:Ue34FIRg4l8ai5PQtTZ763J8eWW43YLYjn5uO7D32fuCa7BmF:AIq4OaQQTYJ8eP4/L5uO7D3f5BI

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2952	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
868	uninstall.exe
2952	Au_.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral13/files/0x00050000000195a7-2.dat	nsis_installer_1
behavioral13/files/0x00050000000195a7-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 2952	868	uninstall.exe	31
PID 868 wrote to memory of 2952	868	uninstall.exe	31
PID 868 wrote to memory of 2952	868	uninstall.exe	31
PID 868 wrote to memory of 2952	868	uninstall.exe	31

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:868
- 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
  - System Location Discovery: System Language Discovery
  PID:2952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsy11.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
e8c7641b8e280e4c8f0a605354f77f8b

SHA1
7568ab7fafea8494007214b0fc41b567658966a3

SHA256
5f35be12102f10fe497611be83b3a680cf16c74ea1b5ccbb479a0f8845388a73

SHA512
622cad194f52040a6ddc008a70181e28edfa7eb1ee74c1e8e1a31fb53d227079b78d84821e54f252be8c2ae6b48a17f77030f38131dd7e24a3810dad30578020

Download Submit