ef79e9e54d2f15c3fe06c538bb9a3bd7d6b0797925e7117cecd610a153da64d4

Analysis

max time kernel
95s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/01/2025, 06:18

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General

Target

ef79e9e54d2f15c3fe06c538bb9a3bd7d6b0797925e7117cecd610a153da64d4.dll
Size

76KB
MD5

570c65f0be30dca3cd45720eb210e51e
SHA1

96ecad5883b5c6bd3e72edf8afefcc92e656b8d1
SHA256

ef79e9e54d2f15c3fe06c538bb9a3bd7d6b0797925e7117cecd610a153da64d4
SHA512

9b969c4d9279964749f061a11ce77fd62763c85cd615ffb3bdb9787e40099b05feb0c5f5fd88df4c8cbc1277b3ca8c2b8c4cbec61a70d51b3f6881b9642e5cbd
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZpeyKf:c8y93KQjy7G55riF1cMo033k

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 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1532-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1532-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4700	1532	WerFault.exe	83

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	1532	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 1532	2512	rundll32.exe	83
PID 2512 wrote to memory of 1532	2512	rundll32.exe	83
PID 2512 wrote to memory of 1532	2512	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef79e9e54d2f15c3fe06c538bb9a3bd7d6b0797925e7117cecd610a153da64d4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef79e9e54d2f15c3fe06c538bb9a3bd7d6b0797925e7117cecd610a153da64d4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 712
    3⤵
    - Program crash
    PID:4700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1532 -ip 1532
1⤵
PID:2220

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/1532-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1532-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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