560b03c4ba18e5a443f74a69727db0eabac6f455bb836757d620cc51615a92ea

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-es
resource tags

arch:x64arch:x86image:win10v2004-20231215-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
11/02/2024, 23:32

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General

Target

$R0/Uninstall Lunar Client.exe
Size

404KB
MD5

227c1f9fe7c7f6fb24a451a5ca84e722
SHA1

9c34be548c0b2affd930d05c1b315a5cbe9bca45
SHA256

bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a
SHA512

1fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66
SSDEEP

3072:Wn77v00hEoDEtauTsqBGeQIfxqxAjDsksbfVl1snhl+l2L0Sa9/l7a4vZAzLmDVH:W740IEa+J+Rql1DKs2t0EyL+ya2

Score

4^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3216	Un_A.exe

Loads dropped DLL 1 IoCs

pid	Process
3216	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 5088 wrote to memory of 3216	5088	Uninstall Lunar Client.exe	84
PID 5088 wrote to memory of 3216	5088	Uninstall Lunar Client.exe	84
PID 5088 wrote to memory of 3216	5088	Uninstall Lunar Client.exe	84

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:5088
- 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:3216

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\nsy8195.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

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

Filesize
404KB

MD5
227c1f9fe7c7f6fb24a451a5ca84e722

SHA1
9c34be548c0b2affd930d05c1b315a5cbe9bca45

SHA256
bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a

SHA512
1fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66

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