ecef67c6d5b41ea2785b8279bd4aee4b61d6c438ce92164daed1e869984e90a5

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/11/2024, 23:56

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General

Target

ecef67c6d5b41ea2785b8279bd4aee4b61d6c438ce92164daed1e869984e90a5.dll
Size

76KB
MD5

be1d15619e0f2fca24a0baaf941a90e4
SHA1

2910fabc9321f6049844188f305793460ac13d7e
SHA256

ecef67c6d5b41ea2785b8279bd4aee4b61d6c438ce92164daed1e869984e90a5
SHA512

62aaa0ef26764396f392d5620b0810864cd22ad569791545efe58816b6e01345035255493c499ff51a37b47e257eae5a202c67c8f474a9717edddfe9a789b6fe
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZwSO9C6:c8y93KQjy7G55riF1cMo03ux

Score

8^/10

discovery 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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/276-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/276-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/276-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/276-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/276-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/276-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1808	276	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	276	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 276	2680	rundll32.exe	30
PID 2680 wrote to memory of 276	2680	rundll32.exe	30
PID 2680 wrote to memory of 276	2680	rundll32.exe	30
PID 2680 wrote to memory of 276	2680	rundll32.exe	30
PID 2680 wrote to memory of 276	2680	rundll32.exe	30
PID 2680 wrote to memory of 276	2680	rundll32.exe	30
PID 2680 wrote to memory of 276	2680	rundll32.exe	30
PID 276 wrote to memory of 1808	276	rundll32.exe	31
PID 276 wrote to memory of 1808	276	rundll32.exe	31
PID 276 wrote to memory of 1808	276	rundll32.exe	31
PID 276 wrote to memory of 1808	276	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecef67c6d5b41ea2785b8279bd4aee4b61d6c438ce92164daed1e869984e90a5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecef67c6d5b41ea2785b8279bd4aee4b61d6c438ce92164daed1e869984e90a5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:276
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 276 -s 268
    3⤵
    - Program crash
    PID:1808

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/276-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/276-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/276-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/276-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/276-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/276-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download