644dd6a10dde19389416702975f162cba96da888cf8c462e70f6e34ab90c9cbc

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 21:58

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General

Target

uninstall.exe
Size

74KB
MD5

15cabce7a0164fd361ed290577fdc6e4
SHA1

8cc2d53a42ac8f3717c41bc5a73d1b42b3bc6977
SHA256

dcd3e74f1bd47c6d93dfaafc1e8ef27e91c9ded815a34798904f047437204e8f
SHA512

979b8dadf965f1ce92a7ca3f6d5dafbc20a7d1f1069958c7506763e461270a99e19a644defd3bbcf2d33c00bafc054a80b89545a01e0089ad1796a207f1e5967
SSDEEP

1536:XmsAYBdTU9fEAIS2PEtuSgdLeAyNx2YyQ4n8RV3t/L6sS:WfY/TU9fE9PEtuSceA/2++3t/LTS

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2684	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	Un_A.exe

Loads dropped DLL 4 IoCs

pid	Process
2128	uninstall.exe
2684	Un_A.exe
2684	Un_A.exe
2684	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 1 IoCs

pid	Process
2684	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2684	2128	uninstall.exe	30
PID 2128 wrote to memory of 2684	2128	uninstall.exe	30
PID 2128 wrote to memory of 2684	2128	uninstall.exe	30
PID 2128 wrote to memory of 2684	2128	uninstall.exe	30

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:2128
- 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:2684

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

\Users\Admin\AppData\Local\Temp\nsy85E4.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

Download Submit
\Users\Admin\AppData\Local\Temp\nsy85E4.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
\Users\Admin\AppData\Local\Temp\nsy85E4.tmp\nsis_tauri_utils.dll

Filesize
29KB

MD5
c5bd51b72a0de24a183585da36a160c7

SHA1
f99a50209a345185a84d34d0e5f66d04c75ff52f

SHA256
5ef1f010f9a8be4ffe0913616f6c54acf403ee0b83d994821ae4b6716ec1d266

SHA512
1349027b08c7f82e17f572e035f224a46f33f0a410526cf471b22a74b7904b54d1befb5ea7f23c90079605d4663f1207b8c81a45e218801533d48b6602a93dbc

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

Filesize
74KB

MD5
15cabce7a0164fd361ed290577fdc6e4

SHA1
8cc2d53a42ac8f3717c41bc5a73d1b42b3bc6977

SHA256
dcd3e74f1bd47c6d93dfaafc1e8ef27e91c9ded815a34798904f047437204e8f

SHA512
979b8dadf965f1ce92a7ca3f6d5dafbc20a7d1f1069958c7506763e461270a99e19a644defd3bbcf2d33c00bafc054a80b89545a01e0089ad1796a207f1e5967

Download Submit