b45be767bfcf5d2f034029069499318ac9bb1e5481b711676029a48d55289f0c

Analysis

max time kernel
154s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 13:02

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General

Target
uninstall.exe
Size 285KB
Sample240204-p98dpacdck
SHA256 99b82c8a72bd81863ca7e31d462d8d7678ad7b03d9699e229af82ef374881b23
MD5 106086ee11833f12c9acee08c2f4a5f1
SHA1 33aa239e7fc2617677de60525e5f3eb9c51c733a
SHA512 56463c30185f9482ecf2d60ce83279890585cb878c4ccd5f13b9cd5e8b56643b3574b270ce1395b887a2496ddc6fbc7f5dc77ef4d6d95903e6fa5727ac116c2e
SSDEEP 6144:Ee348CpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1o:5ieZHkwuPikQ7lKH5p5H9x1o
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2844	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2844	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
behavioral14/files/0x0007000000023205-3.dat	nsis_installer_1
behavioral14/files/0x0007000000023205-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2844	2572	uninstall.exe	84
PID 2572 wrote to memory of 2844	2572	uninstall.exe	84
PID 2572 wrote to memory of 2844	2572	uninstall.exe	84

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2572
- 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:2844

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\nscFD4D.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 C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 285KB
SHA256 99b82c8a72bd81863ca7e31d462d8d7678ad7b03d9699e229af82ef374881b23
MD5 106086ee11833f12c9acee08c2f4a5f1
SHA1 33aa239e7fc2617677de60525e5f3eb9c51c733a
SHA512 56463c30185f9482ecf2d60ce83279890585cb878c4ccd5f13b9cd5e8b56643b3574b270ce1395b887a2496ddc6fbc7f5dc77ef4d6d95903e6fa5727ac116c2e
SSDEEP 6144:Ee348CpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1o:5ieZHkwuPikQ7lKH5p5H9x1o
MD5 SHA1 SHA512 SSDEEP