3f2e89b07e7730999d80b41a44dc29f53aaba7875da5734b8158bfa74f645f3f

Analysis

max time kernel
147s
max time network
158s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
19-11-2024 20:30

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General

Target

uninstall.exe
Size

155KB
MD5

32109e2aac377fa07b849f4f4033edc5
SHA1

a7b87a221744fb2e36327be0a34c17b7d734c47f
SHA256

72ffe8859eaa63637f5a62b7c454241db35938f8326f6ccf20352e00f8df2fe5
SHA512

688d9b51060d84c4e2dd0ddbb20d43bbc8bf93a903f26e855f546335bd7a5c9ef5c6f888dff35d379cbb1d782c5e231b33831b7272cde2b40c2d7fc2b85ffc0d
SSDEEP

3072:iIAe+3aJpgWXTBuq/JFONM2cZ6iKowuq12ApG3s/6:izB+pgURJFOS21iQ5i+6

Score

4^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

1016 Un_A.exe
Loads dropped DLL 1 IoCs

Processes:

Un_A.exe

pid process

1016 Un_A.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1016	Un_A.exe

pid	process
1016	Un_A.exe

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

Processes:

uninstall.exeUn_A.exe

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

Processes:

uninstall.exe

description	pid	process	target process
PID 4988 wrote to memory of 1016	4988	uninstall.exe	Un_A.exe
PID 4988 wrote to memory of 1016	4988	uninstall.exe	Un_A.exe
PID 4988 wrote to memory of 1016	4988	uninstall.exe	Un_A.exe

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:4988
- 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:1016

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\nshBE41.tmp\LangDLL.dll

Filesize
16KB

MD5
46ba3881f8b27f54a8d92d600e61ee7b

SHA1
15933b6ece85a6d45fd78ae499b445a3bc6d2d05

SHA256
4fca692a36f0c99e26b5bc7ef9db5269d2c1e21288184953898130fea9b1c4fc

SHA512
6f64d3cb4634ed51710f578667b92a429aa871a0a141092df3cf7e0134a0b145f802f91126f1ce43ddb4b9d6cc6fb875c9acec22eab0cec86a72dd916e1f9eb3

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

Filesize
155KB

MD5
32109e2aac377fa07b849f4f4033edc5

SHA1
a7b87a221744fb2e36327be0a34c17b7d734c47f

SHA256
72ffe8859eaa63637f5a62b7c454241db35938f8326f6ccf20352e00f8df2fe5

SHA512
688d9b51060d84c4e2dd0ddbb20d43bbc8bf93a903f26e855f546335bd7a5c9ef5c6f888dff35d379cbb1d782c5e231b33831b7272cde2b40c2d7fc2b85ffc0d

Download Submit