f71f0b4ae3c220ae543931d39165f79da9d9a4de0b74c2890d05a7b8c62e258a

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 00:39

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General

Target

21ffd565d0b8ace569a8e202d8cea228.exe
Size

373KB
MD5

21ffd565d0b8ace569a8e202d8cea228
SHA1

479c6f98c5d813ceca23e16cf468c547a039fb7e
SHA256

f71f0b4ae3c220ae543931d39165f79da9d9a4de0b74c2890d05a7b8c62e258a
SHA512

832efdf964eab08dbf863803e37d40e8c2b6e095bb31b29a65d52aa6d530f8d040b2b02a4eac64392d8a1d745f4be57fec181fd3f1e4113731b038aabe8d2c4f
SSDEEP

6144:9vvu41TrJNFWyDVa6c83u8p3soPJkHUvhgSNDc1SQ3Tx:93TR5p3LpDPSchvDc1djx

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1840	Update.exe

Loads dropped DLL 4 IoCs

pid	Process
2356	21ffd565d0b8ace569a8e202d8cea228.exe
1840	Update.exe
1840	Update.exe
1840	Update.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeRun = "C:\\Arquivos de programas\\Adobe\\reader_sl.exe"	Update.exe

Runs net.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2352	2356	21ffd565d0b8ace569a8e202d8cea228.exe	30
PID 2356 wrote to memory of 2352	2356	21ffd565d0b8ace569a8e202d8cea228.exe	30
PID 2356 wrote to memory of 2352	2356	21ffd565d0b8ace569a8e202d8cea228.exe	30
PID 2356 wrote to memory of 2352	2356	21ffd565d0b8ace569a8e202d8cea228.exe	30
PID 2352 wrote to memory of 2536	2352	net.exe	28
PID 2352 wrote to memory of 2536	2352	net.exe	28
PID 2352 wrote to memory of 2536	2352	net.exe	28
PID 2352 wrote to memory of 2536	2352	net.exe	28
PID 2356 wrote to memory of 1840	2356	21ffd565d0b8ace569a8e202d8cea228.exe	31
PID 2356 wrote to memory of 1840	2356	21ffd565d0b8ace569a8e202d8cea228.exe	31
PID 2356 wrote to memory of 1840	2356	21ffd565d0b8ace569a8e202d8cea228.exe	31
PID 2356 wrote to memory of 1840	2356	21ffd565d0b8ace569a8e202d8cea228.exe	31
PID 2356 wrote to memory of 1840	2356	21ffd565d0b8ace569a8e202d8cea228.exe	31
PID 2356 wrote to memory of 1840	2356	21ffd565d0b8ace569a8e202d8cea228.exe	31
PID 2356 wrote to memory of 1840	2356	21ffd565d0b8ace569a8e202d8cea228.exe	31
PID 1840 wrote to memory of 2652	1840	Update.exe	32
PID 1840 wrote to memory of 2652	1840	Update.exe	32
PID 1840 wrote to memory of 2652	1840	Update.exe	32
PID 1840 wrote to memory of 2652	1840	Update.exe	32
PID 1840 wrote to memory of 2652	1840	Update.exe	32
PID 1840 wrote to memory of 2652	1840	Update.exe	32
PID 1840 wrote to memory of 2652	1840	Update.exe	32
PID 2652 wrote to memory of 2456	2652	net.exe	34
PID 2652 wrote to memory of 2456	2652	net.exe	34
PID 2652 wrote to memory of 2456	2652	net.exe	34
PID 2652 wrote to memory of 2456	2652	net.exe	34
PID 2652 wrote to memory of 2456	2652	net.exe	34
PID 2652 wrote to memory of 2456	2652	net.exe	34
PID 2652 wrote to memory of 2456	2652	net.exe	34

C:\Users\Admin\AppData\Local\Temp\21ffd565d0b8ace569a8e202d8cea228.exe
"C:\Users\Admin\AppData\Local\Temp\21ffd565d0b8ace569a8e202d8cea228.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\net.exe
  net stop SharedAccess
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2352
- C:\Arquivos de programas\WindowsUpdate\Update.exe
  "C:\Arquivos de programas\WindowsUpdate\Update.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1840
- - C:\Windows\SysWOW64\net.exe
    net stop SharedAccess
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2652
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop SharedAccess
      4⤵
      PID:2456

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop SharedAccess
1⤵
PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

\Arquivos de Programas\WindowsUpdate\Update.exe

Filesize
444KB

MD5
17bab3a6bf8193e97cd7b312b23cfa2b

SHA1
0496e902296c2667e05e3975929470ef8bfed853

SHA256
51bb53b8e73ad18f0211fe0585271c9a91e90ff94bb749a3f1cef65a7da34927

SHA512
46f6944145cbf8bb4d3adb6faa8ba9b9df305b3da06d47d211f3b4098ca078bc2ec717c2a5c86464234f98d38c4893db1b4b59155f48c889cbb33bfc00034a9a

Download Submit
memory/1840-31-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/1840-30-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/1840-29-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/2356-8-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2356-7-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2356-9-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2356-10-0x0000000075180000-0x0000000075189000-memory.dmp

Filesize
36KB

Download
memory/2356-13-0x00000000752A0000-0x00000000752AC000-memory.dmp

Filesize
48KB

Download
memory/2356-14-0x00000000754C0000-0x00000000755B0000-memory.dmp

Filesize
960KB

Download
memory/2356-12-0x0000000075AE0000-0x0000000075AEA000-memory.dmp

Filesize
40KB

Download
memory/2356-11-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2356-0-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/2356-6-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2356-5-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2356-4-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2356-24-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/2356-28-0x00000000754C0000-0x00000000755B0000-memory.dmp

Filesize
960KB

Download
memory/2356-27-0x0000000075AE0000-0x0000000075AEA000-memory.dmp

Filesize
40KB

Download
memory/2356-26-0x0000000075180000-0x0000000075189000-memory.dmp

Filesize
36KB

Download
memory/2356-25-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2356-3-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2356-2-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2356-1-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads