96a126e677b6d6f51b7d1407aa159b04e31d6dcf8b9d9dda49d0f00976e872ef

Analysis

max time kernel
92s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2024 12:51

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General

Target

Uninstall.exe
Size

67KB
MD5

61949f12dcf93fd468738b693a46d600
SHA1

4279e7eb250d1453be809341458244271b6f9d62
SHA256

761cd3d5d2a348fff336ec07e2ca05548b37b812afa5f2bf78b14626ea034924
SHA512

f2efd4618742c89023ba086917ee6f84f23262a12c16ba37aeaf43e2f1492389a9ae1098e7eea54c2098cffef22153b593eb11dc40c3c8ffcc0c6268a442137e
SSDEEP

1536:UErU9XLGOA9yMHI7jsOzDcpgdLeAyN4P+TYquXJ5pse:UEre7GjyCaFvcpceA70Yq6Ge

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3596	Un_A.exe

Loads dropped DLL 1 IoCs

pid	Process
3596	Un_A.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	Un_A.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral17/files/0x00070000000234fa-3.dat	nsis_installer_1
behavioral17/files/0x00070000000234fa-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 3596	920	Uninstall.exe	85
PID 920 wrote to memory of 3596	920	Uninstall.exe	85
PID 920 wrote to memory of 3596	920	Uninstall.exe	85

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:920
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3596

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\nsrB17F.tmp\nsDialogs.dll

Filesize
9KB

MD5
1c8b2b40c642e8b5a5b3ff102796fb37

SHA1
3245f55afac50f775eb53fd6d14abb7fe523393d

SHA256
8780095aa2f49725388cddf00d79a74e85c9c4863b366f55c39c606a5fb8440c

SHA512
4ff2dc83f640933162ec8818bb1bf3b3be1183264750946a3d949d2e7068ee606277b6c840193ef2b4663952387f07f6ab12c84c4a11cae9a8de7bd4e7971c57

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C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
67KB

MD5
61949f12dcf93fd468738b693a46d600

SHA1
4279e7eb250d1453be809341458244271b6f9d62

SHA256
761cd3d5d2a348fff336ec07e2ca05548b37b812afa5f2bf78b14626ea034924

SHA512
f2efd4618742c89023ba086917ee6f84f23262a12c16ba37aeaf43e2f1492389a9ae1098e7eea54c2098cffef22153b593eb11dc40c3c8ffcc0c6268a442137e

Download Submit