2a40e5dccc7526c4982334941c90f95374460e2a816e84e724e98c4d52ae8c54

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 17:26

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General

Target

tmp.exe
Size

1.7MB
MD5

eee5ddcffbed16222cac0a1b4e2e466e
SHA1

28b40c88b8ea50b0782e2bcbb4cc0f411035f3d5
SHA256

2a40e5dccc7526c4982334941c90f95374460e2a816e84e724e98c4d52ae8c54
SHA512

8f88901f3ebd425818db09f268df19ccf8a755603f04e9481bcf02b112a84393f8a900ead77f8f971bfa33fd9fa5636b7494aaee864a0fb04e3273911a4216dc
SSDEEP

49152:YUnaQiKJ8N+AadA6mICFhNGffVCPi9NUko6jE:ZwKa+u6mICFSwPKDK

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4264-0-0x0000000000400000-0x0000000000930000-memory.dmp	upx
behavioral2/memory/4264-5-0x0000000000400000-0x0000000000930000-memory.dmp	upx

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4460	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4264	tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 2612	4264	tmp.exe	91
PID 4264 wrote to memory of 2612	4264	tmp.exe	91
PID 4264 wrote to memory of 2612	4264	tmp.exe	91
PID 2612 wrote to memory of 4588	2612	cmd.exe	93
PID 2612 wrote to memory of 4588	2612	cmd.exe	93
PID 2612 wrote to memory of 4588	2612	cmd.exe	93
PID 2612 wrote to memory of 4460	2612	cmd.exe	94
PID 2612 wrote to memory of 4460	2612	cmd.exe	94
PID 2612 wrote to memory of 4460	2612	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\SysWOW64\chcp.com
    chcp 1251
    3⤵
    PID:4588
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn "MalayamaraUpdate" /tr "'C:\Users\Admin\AppData\Local\Temp\Updater.exe'" /sc minute /mo 30 /F
    3⤵
    - Creates scheduled task(s)
    PID:4460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Temp\Task.bat

Filesize
128B

MD5
11bb3db51f701d4e42d3287f71a6a43e

SHA1
63a4ee82223be6a62d04bdfe40ef8ba91ae49a86

SHA256
6be22058abfb22b40a42fb003f86b89e204a83024c03eb82cd53e2a0a047c331

SHA512
907ad2c070cc1db89f43459a94d7f48985d939d749c9648b78572a266f0d3fde47813a129e9151dbf4a7d96d36f588172f57c88b8b947b56ed818d7d068abab2

Download Submit
memory/4264-0-0x0000000000400000-0x0000000000930000-memory.dmp

Filesize
5.2MB

Download
memory/4264-1-0x0000000000F90000-0x0000000000F91000-memory.dmp

Filesize
4KB

Download
memory/4264-5-0x0000000000400000-0x0000000000930000-memory.dmp

Filesize
5.2MB

Download
memory/4264-7-0x0000000000F90000-0x0000000000F91000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads