e9a16bf27f5e2b25e034648a8d0e0b50afc3fa2060caa273ce941aed18b4653d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 00:23

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

uninstall.exe
Size

285KB
MD5

c3638de2fb621a9cad4c7f48514fddd5
SHA1

4255ed7cb7fb7616e930bdc8e697df270cb957e1
SHA256

f0a39fb0c5389dd2c8a334ccf4e411eda98c73aad140ee078126d2c6ef87bad7
SHA512

4b2ec3a8245e5ef1e728f5895b7eb30935f975bb9abc44edd50490be0a738d001a31f866836cfc1459cc4720cec22efeb22e2f718784b398d5c7cb9ee2825e8b
SSDEEP

6144:Ee34krpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1y:BFeZHkwuPikQ7lKH5p5H9x1y

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2064	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
1820	uninstall.exe
2064	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/0x00050000000196a0-2.dat	nsis_installer_1
behavioral13/files/0x00050000000196a0-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2064	1820	uninstall.exe	28
PID 1820 wrote to memory of 2064	1820	uninstall.exe	28
PID 1820 wrote to memory of 2064	1820	uninstall.exe	28
PID 1820 wrote to memory of 2064	1820	uninstall.exe	28

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:1820
- 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:2064

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nst9F0E.tmp\aminsis.dll

Filesize
559KB

MD5
51ba1095f0ae45a2d444bea506cb9ad4

SHA1
038a5d53d055a6d440bd2c8864c2f51db206c5e5

SHA256
b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539

SHA512
f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361

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

Filesize
285KB

MD5
c3638de2fb621a9cad4c7f48514fddd5

SHA1
4255ed7cb7fb7616e930bdc8e697df270cb957e1

SHA256
f0a39fb0c5389dd2c8a334ccf4e411eda98c73aad140ee078126d2c6ef87bad7

SHA512
4b2ec3a8245e5ef1e728f5895b7eb30935f975bb9abc44edd50490be0a738d001a31f866836cfc1459cc4720cec22efeb22e2f718784b398d5c7cb9ee2825e8b

Download Submit