94248c32e66678cd527ac7143cf134e21e30366c53bd7118d812e7639ae43766

Analysis

max time kernel
138s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 16:26

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General

Target

uninst.exe
Size

51KB
MD5

2df5205313c4b8b399f6241ee1061cdf
SHA1

afe4d540845adcdbc6c98bea2b9a274cbc7cf251
SHA256

de62dd423a443958493c16ac4be423a49572e69af7730f46cf3a967cb6777f3e
SHA512

0f4d899062abc4801bc9e51c76f3dd14dc15ae808723153172aaf0c314d3fc51b95bd1e083376cd52ebf8770de0f5bc23d707443f14bb2ae2883c3e6ed7943f2
SSDEEP

1536:KZFwlrRfoowfoMTIxpIplqu4VGPJB68qAELVig1LvC:KZGlFw7fonu4sPJBgAI0ovC

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1752	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1752	Au_.exe

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	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral26/files/0x0007000000023522-4.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1752	1720	uninst.exe	87
PID 1720 wrote to memory of 1752	1720	uninst.exe	87
PID 1720 wrote to memory of 1752	1720	uninst.exe	87

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
51KB

MD5
2df5205313c4b8b399f6241ee1061cdf

SHA1
afe4d540845adcdbc6c98bea2b9a274cbc7cf251

SHA256
de62dd423a443958493c16ac4be423a49572e69af7730f46cf3a967cb6777f3e

SHA512
0f4d899062abc4801bc9e51c76f3dd14dc15ae808723153172aaf0c314d3fc51b95bd1e083376cd52ebf8770de0f5bc23d707443f14bb2ae2883c3e6ed7943f2

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