e2d61d60dd8de1ea9cf33af9eea1099758fad2649ed225a4aba04e5404b70289

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 13:21

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General

Target

uninstall.exe
Size

285KB
MD5

ccf7987518635aba2df92c7ed3294e56
SHA1

08e302a7f6fa83e4a9759c7ba32a9cc2d150ec06
SHA256

bf56e0e278fada0ba6c2625e145cd508fbb8abdae1b57aa9f6fd63aa96898a11
SHA512

48324644f1f78ec48736b15071516ea1bfb2d145a48f5c7042cf4fcd41a696626b52514d9632bfb7fc8681e367dfce6de345bb222440144f8726fe046fb22b93
SSDEEP

6144:Ee34FdrUpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1g:QdUeZHkwuPikQ7lKH5p5H9x1g

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4008	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
4008	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
behavioral14/files/0x0007000000023cc2-3.dat	nsis_installer_1
behavioral14/files/0x0007000000023cc2-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 4008	1468	uninstall.exe	84
PID 1468 wrote to memory of 4008	1468	uninstall.exe	84
PID 1468 wrote to memory of 4008	1468	uninstall.exe	84

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1468
- 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:4008

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\nswD765.tmp\aminsis.dll

Filesize
559KB

MD5
51ba1095f0ae45a2d444bea506cb9ad4

SHA1
038a5d53d055a6d440bd2c8864c2f51db206c5e5

SHA256
b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539

SHA512
f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361

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

Filesize
285KB

MD5
ccf7987518635aba2df92c7ed3294e56

SHA1
08e302a7f6fa83e4a9759c7ba32a9cc2d150ec06

SHA256
bf56e0e278fada0ba6c2625e145cd508fbb8abdae1b57aa9f6fd63aa96898a11

SHA512
48324644f1f78ec48736b15071516ea1bfb2d145a48f5c7042cf4fcd41a696626b52514d9632bfb7fc8681e367dfce6de345bb222440144f8726fe046fb22b93

Download Submit