19a01dfe0fded4aa14ae198d6771ff259ee50bf1c17cb936f980bf124db2d41b

Analysis

max time kernel
141s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 01:15

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General

Target

Uninstall.exe
Size

61KB
MD5

a7a428973e50d27a7bfb804c7b89ef6f
SHA1

da5b2d816f1933467399cec0f63a4514cc172ce7
SHA256

77b112e73eacc1f20c6e010102496933b3b449f74ee8055a318ccb06b85b7fc3
SHA512

b4f24aed10c1bf2eb1acdba781f084ab783347d0611726f1a010ae9494b3d1d0810d350f7b801a7e660af2cf6a6253aaa93449b3a5e55addae3e7a50074cdc29
SSDEEP

1536:Wdb/vBxIdFlU0AfLhANuIj7Aw6RvEkLKN:WnilMfONuXw6R8jN

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4116	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
4116	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	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral6/files/0x0007000000023429-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 4116	744	Uninstall.exe	82
PID 744 wrote to memory of 4116	744	Uninstall.exe	82
PID 744 wrote to memory of 4116	744	Uninstall.exe	82

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:744
- 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:4116

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
61KB

MD5
a7a428973e50d27a7bfb804c7b89ef6f

SHA1
da5b2d816f1933467399cec0f63a4514cc172ce7

SHA256
77b112e73eacc1f20c6e010102496933b3b449f74ee8055a318ccb06b85b7fc3

SHA512
b4f24aed10c1bf2eb1acdba781f084ab783347d0611726f1a010ae9494b3d1d0810d350f7b801a7e660af2cf6a6253aaa93449b3a5e55addae3e7a50074cdc29

Download Submit
memory/744-6-0x0000000000400000-0x00000000007B4000-memory.dmp

Filesize
3.7MB

Download
memory/4116-7-0x0000000000400000-0x00000000007B4000-memory.dmp

Filesize
3.7MB

Download