d99ac2a9df6c9e6d560270ca6561190cf4fd098096a5b61ac599d930811bd2c6

Analysis

max time kernel
72s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2024, 03:20

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General

Target

$R0/Uninstall RSI Launcher.exe
Size

478KB
MD5

9c0dc09ddb656b8ca35575ccf4f99591
SHA1

3f4d96ffc694182eedcb31cd52ec705699d4eeb6
SHA256

7fa393c36212fc5d451f109dba09066589aad9823edc62a8d00ce22c662eea18
SHA512

8a82fc22f3731dd47e903329192da6964ddfe7d64947e6d8b8ac9518b303dd7ad60c166c146055a16a445909432b6df0afe75246478c492113fd81e40e238167
SSDEEP

6144:5740IJfWjqmeJ0dFZH82uS3KQIMBUafPHmOf2t0EyL+2iaJL:xBkiXHrfBV/mOPRK2ZJL

Score

4^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1384	Un_A.exe

Loads dropped DLL 4 IoCs

pid	Process
1384	Un_A.exe
1384	Un_A.exe
1384	Un_A.exe
1384	Un_A.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 1384	3640	Uninstall RSI Launcher.exe	90
PID 3640 wrote to memory of 1384	3640	Uninstall RSI Launcher.exe	90
PID 3640 wrote to memory of 1384	3640	Uninstall RSI Launcher.exe	90

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall RSI Launcher.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall RSI Launcher.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3640
- 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
  PID:1384

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4036 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
1⤵
PID:4560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsy99CB.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsy99CB.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsy99CB.tmp\UAC.dll

Filesize
14KB

MD5
adb29e6b186daa765dc750128649b63d

SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9

SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

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C:\Users\Admin\AppData\Local\Temp\nsy99CB.tmp\nsDialogs.dll

Filesize
9KB

MD5
466179e1c8ee8a1ff5e4427dbb6c4a01

SHA1
eb607467009074278e4bd50c7eab400e95ae48f7

SHA256
1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172

SHA512
7508a29c722d45297bfb090c8eb49bd1560ef7d4b35413f16a8aed62d3b1030a93d001a09de98c2b9fea9acf062dc99a7278786f4ece222e7436b261d14ca817

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

Filesize
478KB

MD5
9c0dc09ddb656b8ca35575ccf4f99591

SHA1
3f4d96ffc694182eedcb31cd52ec705699d4eeb6

SHA256
7fa393c36212fc5d451f109dba09066589aad9823edc62a8d00ce22c662eea18

SHA512
8a82fc22f3731dd47e903329192da6964ddfe7d64947e6d8b8ac9518b303dd7ad60c166c146055a16a445909432b6df0afe75246478c492113fd81e40e238167

Download Submit