c9ff34cb7d2374891dbd649a3bbaee384e41736818754dd6ba836df250bf8a74

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:26

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General

Target

uninstall.exe
Size

74KB
MD5

ff876da38a1f6c52c08d23055086fe3a
SHA1

e224b15125f5e7d46401347f4928f5855d672186
SHA256

e51f9625f6b7f05829f500e1e19dd7ba400fd332fa231bd53e5fbaab288a3d66
SHA512

eb6af93340a87ba1940443cd485a1e77c8a3910e2ba026ff44422be4e948bb8037a29f13ed050997b0fa8f4e4f223e203f3e172a97fb49ee8d67f60fd46ff50f
SSDEEP

1536:HmsAYBdTU9fEAIS2PEtuTgdLeAyNx7Qp8ghaOOqG+Hl:GfY/TU9fE9PEtuTceAiQp8tpGl

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2420	Un_A.exe

Executes dropped EXE 1 IoCs

pid	Process
2420	Un_A.exe

Loads dropped DLL 4 IoCs

pid	Process
2376	uninstall.exe
2420	Un_A.exe
2420	Un_A.exe
2420	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
2420	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2420	2376	uninstall.exe	29
PID 2376 wrote to memory of 2420	2376	uninstall.exe	29
PID 2376 wrote to memory of 2420	2376	uninstall.exe	29
PID 2376 wrote to memory of 2420	2376	uninstall.exe	29

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:2376
- 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:2420

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\nso3A44.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

Download Submit
\Users\Admin\AppData\Local\Temp\nso3A44.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
\Users\Admin\AppData\Local\Temp\nso3A44.tmp\nsis_tauri_utils.dll

Filesize
29KB

MD5
8def0196223484f8aed4106148dd3f08

SHA1
e0fc0951deb0e5e741df10328f95c7d6678ad3aa

SHA256
c0f2b928bc4c81cc5ca30a8932a6dc8cd617dd016679c057e23355fe732b2333

SHA512
9ffa66181bce5aa5210da0fe5edc6c80aa9e46e2bd1fafd840f468965f4d06bc03f9a77e04b975ffc9f25c886c274196e3fedae6cfb57f366ef39f1e31e1ada7

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

Filesize
74KB

MD5
ff876da38a1f6c52c08d23055086fe3a

SHA1
e224b15125f5e7d46401347f4928f5855d672186

SHA256
e51f9625f6b7f05829f500e1e19dd7ba400fd332fa231bd53e5fbaab288a3d66

SHA512
eb6af93340a87ba1940443cd485a1e77c8a3910e2ba026ff44422be4e948bb8037a29f13ed050997b0fa8f4e4f223e203f3e172a97fb49ee8d67f60fd46ff50f

Download Submit