efdbeee44e46fb2c0c5d09b2fb4aa4629433ed8661006ad20c337dd6ec161540

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28/06/2024, 04:16

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General

Target

efdbeee44e46fb2c0c5d09b2fb4aa4629433ed8661006ad20c337dd6ec161540.dll
Size

76KB
MD5

6b71a3d12d200e87a7ec64e9bfabb33f
SHA1

99ec1c0efcd2c50419487ea517dae71e800434da
SHA256

efdbeee44e46fb2c0c5d09b2fb4aa4629433ed8661006ad20c337dd6ec161540
SHA512

1334bd3a8e21bf49c3499ce9c284738d6ebc5317c09961ff8e0288ab7c8a54f1d659da5c1efa2a497a541ba2f90baccb63dfac280bab5f3acb91580ab5da4cd6
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZxyqBSBIBaXAX:c8y93KQjy7G55riF1cMo03HDgisXAX

Score

8^/10

persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2200-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2200-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2200-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
804	2200	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2200	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2200 wrote to memory of 804	2200	rundll32.exe	29
PID 2200 wrote to memory of 804	2200	rundll32.exe	29
PID 2200 wrote to memory of 804	2200	rundll32.exe	29
PID 2200 wrote to memory of 804	2200	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\efdbeee44e46fb2c0c5d09b2fb4aa4629433ed8661006ad20c337dd6ec161540.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\efdbeee44e46fb2c0c5d09b2fb4aa4629433ed8661006ad20c337dd6ec161540.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 328
    3⤵
    - Program crash
    PID:804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2200-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2200-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2200-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download