0f01fd97933fecb48693698a0ffef573d4be9e970b7622c08704adf965343af1

Resubmissions

01-07-2024 22:48

240701-2rkwwsycln 10

01-07-2024 22:45

240701-2pd1kaybkp 8

Analysis

max time kernel
133s
max time network
143s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 22:48

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Report Analysis Logs

General

Target

$R0/Uninstall YouTube Music.exe
Size

474KB
MD5

bb3f3b6f4ab4b72f1412e05c3fdaec9a
SHA1

8a3dc1faf8f67f34346c519945687711e2ae86be
SHA256

e953bcdf7dae8da8a13b306d3cf3e42a87e88496a349b7374493b6e4a3c76cf7
SHA512

b76e18e85394fc4f1e18c6b283470b3fd03b8774ee70b51a83f1abb4c0173fbc185bdf6e053644571dae124c326ece43309d5a5e8a89ad153ed325b736347f52
SSDEEP

3072:6n77v00hEoDEtaucyKViE3CICyX7vaH2tvhOEA1RJCir86SrSrv6Ia3A:6740IHKVpXzs2t0EyL+yaQ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

3928 Un_A.exe
Loads dropped DLL 6 IoCs

Processes:

Un_A.exe

pid process

3928 Un_A.exe
3928 Un_A.exe
3928 Un_A.exe
3928 Un_A.exe
3928 Un_A.exe
3928 Un_A.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Un_A.exe

pid process

3928 Un_A.exe
3928 Un_A.exe

pid	process
3928	Un_A.exe

pid	process
3928	Un_A.exe
3928	Un_A.exe
3928	Un_A.exe
3928	Un_A.exe
3928	Un_A.exe
3928	Un_A.exe

pid	process
3928	Un_A.exe
3928	Un_A.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Uninstall YouTube Music.exe

description	pid	process	target process
PID 4936 wrote to memory of 3928	4936	Uninstall YouTube Music.exe	Un_A.exe
PID 4936 wrote to memory of 3928	4936	Uninstall YouTube Music.exe	Un_A.exe
PID 4936 wrote to memory of 3928	4936	Uninstall YouTube Music.exe	Un_A.exe

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall YouTube Music.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall YouTube Music.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4936

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\$R0\
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3928

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsd67B4.tmp\StdUtils.dll
Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd67B4.tmp\System.dll
Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd67B4.tmp\WinShell.dll
Filesize
3KB

MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56

SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c

SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd67B4.tmp\nsExec.dll
Filesize
6KB

MD5
ec0504e6b8a11d5aad43b296beeb84b2

SHA1
91b5ce085130c8c7194d66b2439ec9e1c206497c

SHA256
5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

SHA512
3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

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C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Filesize
474KB

MD5
bb3f3b6f4ab4b72f1412e05c3fdaec9a

SHA1
8a3dc1faf8f67f34346c519945687711e2ae86be

SHA256
e953bcdf7dae8da8a13b306d3cf3e42a87e88496a349b7374493b6e4a3c76cf7

SHA512
b76e18e85394fc4f1e18c6b283470b3fd03b8774ee70b51a83f1abb4c0173fbc185bdf6e053644571dae124c326ece43309d5a5e8a89ad153ed325b736347f52

Download Submit