2acf260698e1cd019259c21686eb665751dd02baf80e2b8c4388331c8c7df6d2

Analysis

max time kernel
94s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 21:30

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General

Target

2acf260698e1cd019259c21686eb665751dd02baf80e2b8c4388331c8c7df6d2.dll
Size

76KB
MD5

86313bb50967482ca65a8bc10bb3a310
SHA1

adc83cf9a118bc43a1d06692195c9904726284e1
SHA256

2acf260698e1cd019259c21686eb665751dd02baf80e2b8c4388331c8c7df6d2
SHA512

5507be7ceaba14150b49836c45572c4fc7f8d10dca9878087f436782d267f09a1e548200b53b8439c8fc0c07e95a492987256ff4c3b44173140603aba03e7d09
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZW7GEw:c8y93KQjy7G55riF1cMo03c7A

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/3188-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3188-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4500	3188	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	3188	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 3188	2872	rundll32.exe	83
PID 2872 wrote to memory of 3188	2872	rundll32.exe	83
PID 2872 wrote to memory of 3188	2872	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2acf260698e1cd019259c21686eb665751dd02baf80e2b8c4388331c8c7df6d2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2acf260698e1cd019259c21686eb665751dd02baf80e2b8c4388331c8c7df6d2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3188
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 712
    3⤵
    - Program crash
    PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3188 -ip 3188
1⤵
PID:1268

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/3188-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3188-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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