19b8c0f301419469afb27c92507990ea572d050cfb8d6440fea78d4e0e557f2e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 05:23

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General

Target

uninstall.exe
Size

285KB
MD5

4105c2d8e189025729ad3e8f832606d2
SHA1

688c8ee026a39308b60221657d9c039b700151a0
SHA256

b1772e758b74d25641f3b2245cb1a2282f2c75ffb0daa3cef61f35977f586ec7
SHA512

6631b1ff16cef3820a4c3c65c2b27253f366d19e82d374017751c45ebc88c57304826764075d751055dd90735d69787843d506b9afd6aa8b8dff12f84d93fcca
SSDEEP

6144:Ee34DwpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1C:CMeZHkwuPikQ7lKH5p5H9x1C

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2724	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
2848	uninstall.exe
2724	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/0x0006000000018c33-2.dat	nsis_installer_1
behavioral13/files/0x0006000000018c33-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2724	2848	uninstall.exe	30
PID 2848 wrote to memory of 2724	2848	uninstall.exe	30
PID 2848 wrote to memory of 2724	2848	uninstall.exe	30
PID 2848 wrote to memory of 2724	2848	uninstall.exe	30

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:2848
- 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:2724

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

\Users\Admin\AppData\Local\Temp\nst81CE.tmp\aminsis.dll

Filesize
559KB

MD5
51ba1095f0ae45a2d444bea506cb9ad4

SHA1
038a5d53d055a6d440bd2c8864c2f51db206c5e5

SHA256
b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539

SHA512
f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361

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

Filesize
285KB

MD5
4105c2d8e189025729ad3e8f832606d2

SHA1
688c8ee026a39308b60221657d9c039b700151a0

SHA256
b1772e758b74d25641f3b2245cb1a2282f2c75ffb0daa3cef61f35977f586ec7

SHA512
6631b1ff16cef3820a4c3c65c2b27253f366d19e82d374017751c45ebc88c57304826764075d751055dd90735d69787843d506b9afd6aa8b8dff12f84d93fcca

Download Submit