560b03c4ba18e5a443f74a69727db0eabac6f455bb836757d620cc51615a92ea

Analysis

max time kernel
1794s
max time network
1812s
platform
windows10-2004_x64
resource
win10v2004-20240226-es
resource tags

arch:x64arch:x86image:win10v2004-20240226-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
02/03/2024, 22:10

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General

Target
$R0/Uninstall Lunar Client.exe
Size 404KB
Sample240302-13naqaac96
SHA256 bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a
MD5 227c1f9fe7c7f6fb24a451a5ca84e722
SHA1 9c34be548c0b2affd930d05c1b315a5cbe9bca45
SHA512 1fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66
SSDEEP 3072:Wn77v00hEoDEtauTsqBGeQIfxqxAjDsksbfVl1snhl+l2L0Sa9/l7a4vZAzLmDVH:W740IEa+J+Rql1DKs2t0EyL+ya2
MD5 SHA1 SHA512 SSDEEP

Score

4^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3860	Un_A.exe

Loads dropped DLL 1 IoCs

pid	Process
3860	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 1340 wrote to memory of 3860	1340	Uninstall Lunar Client.exe	91
PID 1340 wrote to memory of 3860	1340	Uninstall Lunar Client.exe	91
PID 1340 wrote to memory of 3860	1340	Uninstall Lunar Client.exe	91

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Lunar Client.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Lunar Client.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1340
- 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:3860

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=es --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3660 --field-trial-handle=2236,i,3767879903388292704,1374608533225245713,262144 --variations-seed-version /prefetch:8
1⤵
PID:3872

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=es --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3744 --field-trial-handle=2236,i,3767879903388292704,1374608533225245713,262144 --variations-seed-version /prefetch:8
1⤵
PID:3668

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

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsm72CF.tmp\System.dll
Size 12KB
SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 48df0911f0484cbe2a8cdd5362140b63c41ee457
SHA512 c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
SSDEEP 192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
MD5 SHA1 SHA512 SSDEEP

Submit Download

Un_A.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Size 404KB
SHA256 bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a
MD5 227c1f9fe7c7f6fb24a451a5ca84e722
SHA1 9c34be548c0b2affd930d05c1b315a5cbe9bca45
SHA512 1fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66
SSDEEP 3072:Wn77v00hEoDEtauTsqBGeQIfxqxAjDsksbfVl1snhl+l2L0Sa9/l7a4vZAzLmDVH:W740IEa+J+Rql1DKs2t0EyL+ya2
MD5 SHA1 SHA512 SSDEEP