efe385a2416d545b07323197fce906bc40bbd20fe1affdbfc7c88a7832a0a7a4

Analysis

max time kernel
95s
max time network
96s
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 20:36

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General

Target

efe385a2416d545b07323197fce906bc40bbd20fe1affdbfc7c88a7832a0a7a4N.dll
Size

76KB
MD5

00f826d6539bcd3497066aa1d89bab70
SHA1

ab4f2ce69c9d02cb63f200639450015573e57e2f
SHA256

efe385a2416d545b07323197fce906bc40bbd20fe1affdbfc7c88a7832a0a7a4
SHA512

5b9d1968060b845b3dc78a8ccb96a24f801e11ba8abeebee645fab3c7d4005cbd074c48aa09abdc2a248818b55d1204c3d22d60ee9da0902364e78f84322119f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zh8kbKS:c8y93KQjy7G55riF1cMo03/8kbKS

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1428-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1428-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3876	1428	WerFault.exe	85

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	1428	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 1428	4496	rundll32.exe	85
PID 4496 wrote to memory of 1428	4496	rundll32.exe	85
PID 4496 wrote to memory of 1428	4496	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\efe385a2416d545b07323197fce906bc40bbd20fe1affdbfc7c88a7832a0a7a4N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\efe385a2416d545b07323197fce906bc40bbd20fe1affdbfc7c88a7832a0a7a4N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 708
    3⤵
    - Program crash
    PID:3876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1428 -ip 1428
1⤵
PID:2800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/1428-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1428-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download