559c6ceb7664361f758f37749a7673ce9562c2c82b885dfd8ea0ceda6e62ba5f

Analysis

max time kernel
1370s
max time network
1162s
platform
windows10-2004_x64
resource
win10v2004-20240802-de
resource tags

arch:x64arch:x86image:win10v2004-20240802-delocale:de-deos:windows10-2004-x64systemwindows
submitted
06/08/2024, 19:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

uninstall.exe
Size

74KB
MD5

d4d8325500c3d541c78ad7ff996313ac
SHA1

b5c8f9a4d3d98bcfabc6e52be1b251c8a3be1bf0
SHA256

c8ee6ca8ecffd5b320d1df34df37bb494e71fdfde3298d7006071f8f7937a6eb
SHA512

25663a56c835da1c60e1857d51001eb03f6d82fe05b85bb8d578a57a1fe641723c684de23d269a358252a27e07c9920911e5cc53ed08c41a406d0a8baea78bb4
SSDEEP

1536:HmsAYBdTU9fEAIS2PEtuSgdLeAyNxdvyQ4n8lNpSihoG9BdO:GfY/TU9fE9PEtuSceAk3+QpSi6G9bO

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1612	Un_A.exe

Loads dropped DLL 2 IoCs

pid	Process
1612	Un_A.exe
1612	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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 1612	1572	uninstall.exe	86
PID 1572 wrote to memory of 1612	1572	uninstall.exe	86
PID 1572 wrote to memory of 1612	1572	uninstall.exe	86

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:1572
- 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:1612

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsv7B2D.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsv7B2D.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

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

Filesize
74KB

MD5
d4d8325500c3d541c78ad7ff996313ac

SHA1
b5c8f9a4d3d98bcfabc6e52be1b251c8a3be1bf0

SHA256
c8ee6ca8ecffd5b320d1df34df37bb494e71fdfde3298d7006071f8f7937a6eb

SHA512
25663a56c835da1c60e1857d51001eb03f6d82fe05b85bb8d578a57a1fe641723c684de23d269a358252a27e07c9920911e5cc53ed08c41a406d0a8baea78bb4

Download Submit