77df65ebd9d748d2472897779440a16278257445fa95fc8eb48913b75a6050fc

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 22:32

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General

Target

77df65ebd9d748d2472897779440a16278257445fa95fc8eb48913b75a6050fc.dll
Size

76KB
MD5

79d859fa70a2fadb1f1f3defceeecda2
SHA1

e0a59cf438e8197c120e5dd7895e8a54456b374a
SHA256

77df65ebd9d748d2472897779440a16278257445fa95fc8eb48913b75a6050fc
SHA512

d75608de92b486cd839777cbad62eb1d7ca2ec8c313708d1db18a37f5cf870a2645a641e308088e990b812879993da05745340b67d1b2ac0eebd8650287c47cc
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZFp148uAvt:c8y93KQjy7G55riF1cMo03F148TF

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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1740-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1740-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1740-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1740-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	1740	WerFault.exe	29

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	1740	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 1740	2384	rundll32.exe	29
PID 2384 wrote to memory of 1740	2384	rundll32.exe	29
PID 2384 wrote to memory of 1740	2384	rundll32.exe	29
PID 2384 wrote to memory of 1740	2384	rundll32.exe	29
PID 2384 wrote to memory of 1740	2384	rundll32.exe	29
PID 2384 wrote to memory of 1740	2384	rundll32.exe	29
PID 2384 wrote to memory of 1740	2384	rundll32.exe	29
PID 1740 wrote to memory of 2568	1740	rundll32.exe	30
PID 1740 wrote to memory of 2568	1740	rundll32.exe	30
PID 1740 wrote to memory of 2568	1740	rundll32.exe	30
PID 1740 wrote to memory of 2568	1740	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\77df65ebd9d748d2472897779440a16278257445fa95fc8eb48913b75a6050fc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\77df65ebd9d748d2472897779440a16278257445fa95fc8eb48913b75a6050fc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 340
    3⤵
    - Program crash
    PID:2568

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/1740-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1740-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1740-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1740-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1740-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download