6767f33dd2c515e664a51b0d2df91f9c7f46b3c35c362949603ed3a3b9fa7f10

Analysis

max time kernel
141s
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
07-09-2024 07:52

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General

Target

Uninstall.exe
Size

66KB
MD5

a9288e973ae497c007fbe2d38a0d7482
SHA1

2dde89cea40b642cac36663c4269dcca5b7bf66f
SHA256

4d79f805439bb0d4ac2c610d017703d52a186291df2a0c85461b0d23a311b29a
SHA512

37461c737225ee91fa9e7377ab1fa9f1bef20cf3eb7dd18b57db2b01ac0806cc89e1b92e68d9881455285a6933422fed21eaf040ff6491ff02aafa4b6f1c6154
SSDEEP

1536:97ANUHtHV6AWzwfFJUPfT4t3kUYp+djPw6RqRigBJbczgs:9TvfTzcTsw6R9gBbs

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1224	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
behavioral8/files/0x0007000000023498-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 1224	4948	Uninstall.exe	84
PID 4948 wrote to memory of 1224	4948	Uninstall.exe	84
PID 4948 wrote to memory of 1224	4948	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:4948
- 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
  - System Location Discovery: System Language Discovery
  PID:1224

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
66KB

MD5
a9288e973ae497c007fbe2d38a0d7482

SHA1
2dde89cea40b642cac36663c4269dcca5b7bf66f

SHA256
4d79f805439bb0d4ac2c610d017703d52a186291df2a0c85461b0d23a311b29a

SHA512
37461c737225ee91fa9e7377ab1fa9f1bef20cf3eb7dd18b57db2b01ac0806cc89e1b92e68d9881455285a6933422fed21eaf040ff6491ff02aafa4b6f1c6154

Download Submit
memory/1224-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4948-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download