dfca2f1a842aea69a2b0a22ca66fa7852f86259e3da4f576f8ae7fa16f1e9134

Analysis

max time kernel
3s
platform
windows11-21h2_x64
resource
win11-20240704-en
resource tags

arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system
submitted
08-07-2024 09:22

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General

Target

Uninstall Scratch 3.exe
Size

366KB
MD5

83b5735bc10422bcf66bf30aeab2ac47
SHA1

eed74a95168bf5005be4390203f03f81ef20bceb
SHA256

1b8efc32dff56d308d8ab56caf973d4783b06e00fb1c6cc11b00601dd4efeded
SHA512

74d6dc7532c653438fef1ec402831a4cd11bf78b1cc818d9415a6ce0ea68821cea07c1554c570d2b342a3daff8a3b3a23231ab011a8bfac262dc8da1d2bffee3
SSDEEP

6144:8O94ruMQfIST/eQbjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjP:8iMjrUZCLRKEU

Score

4^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

4164 Un_A.exe
Loads dropped DLL 4 IoCs

Processes:

Un_A.exe

pid process

4164 Un_A.exe
4164 Un_A.exe
4164 Un_A.exe
4164 Un_A.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4164	Un_A.exe

pid	process
4164	Un_A.exe
4164	Un_A.exe
4164	Un_A.exe
4164	Un_A.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Uninstall Scratch 3.exe

description	pid	process	target process
PID 4104 wrote to memory of 4164	4104	Uninstall Scratch 3.exe	Un_A.exe
PID 4104 wrote to memory of 4164	4104	Uninstall Scratch 3.exe	Un_A.exe
PID 4104 wrote to memory of 4164	4104	Uninstall Scratch 3.exe	Un_A.exe

C:\Users\Admin\AppData\Local\Temp\Uninstall Scratch 3.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall Scratch 3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4104

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
PID:4164

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\nsyB547.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyB547.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

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C:\Users\Admin\AppData\Local\Temp\nsyB547.tmp\UAC.dll

Filesize
14KB

MD5
adb29e6b186daa765dc750128649b63d

SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9

SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

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C:\Users\Admin\AppData\Local\Temp\nsyB547.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
366KB

MD5
83b5735bc10422bcf66bf30aeab2ac47

SHA1
eed74a95168bf5005be4390203f03f81ef20bceb

SHA256
1b8efc32dff56d308d8ab56caf973d4783b06e00fb1c6cc11b00601dd4efeded

SHA512
74d6dc7532c653438fef1ec402831a4cd11bf78b1cc818d9415a6ce0ea68821cea07c1554c570d2b342a3daff8a3b3a23231ab011a8bfac262dc8da1d2bffee3

Download Submit