153a21844ea08dca1f61f091c26cfb5eac91d46e1b9a378d43a767669b6cf148

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/04/2024, 19:09

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General

Target
uninstall.exe
Size 285KB
Sample240414-xtx7saeb4y
SHA256 361ba3e94cac8ffad333d3e895f632e98d0a5acd620eec067b3a3c7abdfc21d3
MD5 e6543c6d41de18ab838bf66d4d1e917a
SHA1 0c97b6daeaf4902a363a465d3b4396634fc256ce
SHA512 a9c06d27e9fd837d004cfe51cc8d0c8adc613be16208b338aff1b56cd964463de990f7b7f4ab333c8aba05d8e338ecf28812f036184a9a24a389fabd56e275f6
SSDEEP 6144:Ee345tpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1B:8LeZHkwuPikQ7lKH5p5H9x1B
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1844	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
112	uninstall.exe
1844	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/0x000d000000012346-2.dat	nsis_installer_1
behavioral13/files/0x000d000000012346-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 1844	112	uninstall.exe	28
PID 112 wrote to memory of 1844	112	uninstall.exe	28
PID 112 wrote to memory of 1844	112	uninstall.exe	28
PID 112 wrote to memory of 1844	112	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:112
- 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:1844

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

aminsis.dll

Path C:\Users\Admin\AppData\Local\Temp\nsi3E87.tmp\aminsis.dll
Size 559KB
SHA256 b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
MD5 51ba1095f0ae45a2d444bea506cb9ad4
SHA1 038a5d53d055a6d440bd2c8864c2f51db206c5e5
SHA512 f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361
SSDEEP 12288:kbdmSvBuSrDWoN/8Z+iZz2ULoygI/htZw3EKwcxi0T8NGAmN:bSvBuSG7+iZz2ULoyXZzw3E2tT8UAmN
MD5 SHA1 SHA512 SSDEEP

Submit Download

Au_.exe

Path \Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 285KB
SHA256 361ba3e94cac8ffad333d3e895f632e98d0a5acd620eec067b3a3c7abdfc21d3
MD5 e6543c6d41de18ab838bf66d4d1e917a
SHA1 0c97b6daeaf4902a363a465d3b4396634fc256ce
SHA512 a9c06d27e9fd837d004cfe51cc8d0c8adc613be16208b338aff1b56cd964463de990f7b7f4ab333c8aba05d8e338ecf28812f036184a9a24a389fabd56e275f6
SSDEEP 6144:Ee345tpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1B:8LeZHkwuPikQ7lKH5p5H9x1B
MD5 SHA1 SHA512 SSDEEP