4c8e398a92df2220c894ae9c29cbdde3f17d9ec8d98ecad1bfefae11689395b4

Resubmissions

06-02-2025 15:09

250206-sjg1lazqam 10

31-01-2025 12:44

250131-pylqjswkbw 10

Analysis

max time kernel
414s
max time network
423s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250128-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250128-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
31-01-2025 12:44

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General

Target

uninstall.exe
Size

75KB
MD5

6bc0e74cd77f4f7dbe99e8c24919abe8
SHA1

6415cd94196e1053181c78be7e3aecc0729f2234
SHA256

36d6a82f046bfa4ca72791548952278d840dcb2ed104307d55336589991b97ed
SHA512

c359a367f4e3dc81e2a07b1ef470d5d8581fc810691a6b5576021be2a30a88664cda92fa074609bbd7fd5442a7ab246efa0c3211640f77632f58bb6055b3d635
SSDEEP

1536:DmsAYBdTU9fEAIS2PEtuggdLeAyNZLMbWxDXKAGN14tR+19tTgGq8A3zO:SfY/TU9fE9PEtugceAWMbADXNGN4R+US

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4164	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
4164	Un_A.exe

Loads dropped DLL 3 IoCs

pid	Process
4164	Un_A.exe
4164	Un_A.exe
4164	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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
4164	Un_A.exe
4164	Un_A.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 4164	1724	uninstall.exe	81
PID 1724 wrote to memory of 4164	1724	uninstall.exe	81
PID 1724 wrote to memory of 4164	1724	uninstall.exe	81

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:1724
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4164

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\nsyC1FA.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyC1FA.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyC1FA.tmp\nsis_tauri_utils.dll

Filesize
29KB

MD5
c5bd51b72a0de24a183585da36a160c7

SHA1
f99a50209a345185a84d34d0e5f66d04c75ff52f

SHA256
5ef1f010f9a8be4ffe0913616f6c54acf403ee0b83d994821ae4b6716ec1d266

SHA512
1349027b08c7f82e17f572e035f224a46f33f0a410526cf471b22a74b7904b54d1befb5ea7f23c90079605d4663f1207b8c81a45e218801533d48b6602a93dbc

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

Filesize
75KB

MD5
6bc0e74cd77f4f7dbe99e8c24919abe8

SHA1
6415cd94196e1053181c78be7e3aecc0729f2234

SHA256
36d6a82f046bfa4ca72791548952278d840dcb2ed104307d55336589991b97ed

SHA512
c359a367f4e3dc81e2a07b1ef470d5d8581fc810691a6b5576021be2a30a88664cda92fa074609bbd7fd5442a7ab246efa0c3211640f77632f58bb6055b3d635

Download Submit