abb8ac413fd99b9abf5e8f743a03fd7e7812f1c7ce7409c618dd3912584c5657

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 20:11

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General

Target

Uninstall.exe
Size

353KB
MD5

0d9760e79d8f8fc21e399fc45a9902c5
SHA1

c789a71b49b352b34b4780a208eeee8e9151c067
SHA256

37c1e790213250e020df04f82e7d92e0953ad0ea860f4f2ae3dddeb0c437424f
SHA512

248864d47a57a5f85a29422b525860e99e1eded88d29a8efb2349a900b75acda6efa483025d4bd1198a0a95bedc0416c53a4361bc54e5a22ff2eb162575acc72
SSDEEP

6144:Ve34Q/Q0RXiD0xvahQpE3M5cJ58sJuCBhmGXiJrHBWbU+0H2XS5:E/Q0HqM5ITJuCBhdXCTByU+0WA

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1820	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1820	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2980	Uninstall.exe
1820	Au_.exe
1820	Au_.exe
1820	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 2 IoCs

installer

resource	yara_rule
behavioral19/files/0x0005000000019218-2.dat	nsis_installer_1
behavioral19/files/0x0005000000019218-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 1820	2980	Uninstall.exe	31
PID 2980 wrote to memory of 1820	2980	Uninstall.exe	31
PID 2980 wrote to memory of 1820	2980	Uninstall.exe	31
PID 2980 wrote to memory of 1820	2980	Uninstall.exe	31
PID 2980 wrote to memory of 1820	2980	Uninstall.exe	31
PID 2980 wrote to memory of 1820	2980	Uninstall.exe	31
PID 2980 wrote to memory of 1820	2980	Uninstall.exe	31

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980
- 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
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1820

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\nseE9F3.tmp\header.bmp

Filesize
154KB

MD5
2437b69ae604ffd36c6e41138e6f0bcc

SHA1
cd4d9b602e1bc185f31eca1f6285c251e8319b5e

SHA256
f1aad57faac98a8f9be8b0e9e94c80c5c310e278741a4f680b9cb1e869f4a448

SHA512
64962d0d27eda60c37e009399f42d9c7e30b9bbf1d30672180f84d96444b09343626073c2fcfe54a456655bdc420022753249d4983e338b58ea6002c62b6abfd

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

Filesize
353KB

MD5
0d9760e79d8f8fc21e399fc45a9902c5

SHA1
c789a71b49b352b34b4780a208eeee8e9151c067

SHA256
37c1e790213250e020df04f82e7d92e0953ad0ea860f4f2ae3dddeb0c437424f

SHA512
248864d47a57a5f85a29422b525860e99e1eded88d29a8efb2349a900b75acda6efa483025d4bd1198a0a95bedc0416c53a4361bc54e5a22ff2eb162575acc72

Download Submit