3bc6942fe09f10ed3447bccdcf4a70ed369366fef6b2c7f43b541f1a3c5d1c51

Analysis

max time kernel
147s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
21-11-2024 17:11

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General

Target

uninstall.exe
Size

137KB
MD5

04ac66825466772809e5f5a7d6d66292
SHA1

16048e430e9f58cc6ff855938e3dcc0fb597264c
SHA256

8f648df6a34445236155b2094905d1fb142e3f9cc314781c4361cf3c052e77f6
SHA512

dbc86e084312f9f22a1703965ae4b52fe00afff908b9fd01ff7d86a24b0b4f91eabe5fab45c91e44819d7ec7ca241281e759064549f9c2cb74ae93418c8a9c78
SSDEEP

1536:BMaAWOz2YOFw3ae4ptaq5qHSlTBuw+I/JFOh5N/Lq33TguZ5Kse85JqeITwr/QCe:BAe+3aJpgWXTBuA/JFONMVHdrFqbvLl

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
724	Un_A.exe

Loads dropped DLL 1 IoCs

pid	Process
724	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 4900 wrote to memory of 724	4900	uninstall.exe	77
PID 4900 wrote to memory of 724	4900	uninstall.exe	77
PID 4900 wrote to memory of 724	4900	uninstall.exe	77

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:4900
- 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:724

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\nsf6E6B.tmp\LangDLL.dll

Filesize
5KB

MD5
0c44f21d4afc81cc99fac7cc35e4503a

SHA1
3d0d5c684df99a46510c0e2c0020163a9d11c08d

SHA256
8dc2be6679497994e3ddc97bc7bc1ce2b3c17ef3528b03ded6696ef198a11d10

SHA512
4e4bd35d6aa21cecbfe7a93a2ee7db8ee78ca710a4193dfe240d1067afbe10f61db332c1c85f6cc3ba404d895a959742401b615ef8ff5bd9028254c4a43a0923

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

Filesize
137KB

MD5
04ac66825466772809e5f5a7d6d66292

SHA1
16048e430e9f58cc6ff855938e3dcc0fb597264c

SHA256
8f648df6a34445236155b2094905d1fb142e3f9cc314781c4361cf3c052e77f6

SHA512
dbc86e084312f9f22a1703965ae4b52fe00afff908b9fd01ff7d86a24b0b4f91eabe5fab45c91e44819d7ec7ca241281e759064549f9c2cb74ae93418c8a9c78

Download Submit