92e9e6765bf36034b5eba64e2609a4f53cbb4d8e234d06286504167a1ed39c62

Analysis

max time kernel
93s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 12:25

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General

Target

uninstall.exe
Size

74KB
MD5

0f0414e77a5159adbbdff7dee55e6afd
SHA1

f354af7244665951f08fb41cf8a28269e6b39577
SHA256

98ae0830319fa79dd71f47c9d2e8eb710139041b6bc2457853bdfba922b7833a
SHA512

431c9c54301cdc9f7263075755e98af677d9c9f7322f083664d91a024d0bc8adb001713c8d11ab9539b2cba85eeb10c7cc969f0c64d17ad99eae4773f68d7340
SSDEEP

1536:XmsAYBdTU9fEAIS2PEtuugdLeAyNxyPqfZgqFoligcbq4:WfY/TU9fE9PEtuuceAr6ZgqyiH1

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4920	Un_A.exe

Loads dropped DLL 2 IoCs

pid	Process
4920	Un_A.exe
4920	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 4852 wrote to memory of 4920	4852	uninstall.exe	84
PID 4852 wrote to memory of 4920	4852	uninstall.exe	84
PID 4852 wrote to memory of 4920	4852	uninstall.exe	84

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:4852
- 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:4920

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\nsrBD47.tmp\LangDLL.dll

Filesize
5KB

MD5
68b287f4067ba013e34a1339afdb1ea8

SHA1
45ad585b3cc8e5a6af7b68f5d8269c97992130b3

SHA256
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026

SHA512
06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsrBD47.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

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

Filesize
74KB

MD5
0f0414e77a5159adbbdff7dee55e6afd

SHA1
f354af7244665951f08fb41cf8a28269e6b39577

SHA256
98ae0830319fa79dd71f47c9d2e8eb710139041b6bc2457853bdfba922b7833a

SHA512
431c9c54301cdc9f7263075755e98af677d9c9f7322f083664d91a024d0bc8adb001713c8d11ab9539b2cba85eeb10c7cc969f0c64d17ad99eae4773f68d7340

Download Submit