140d53e3b5fda88a39f83ec2389939a72018ccbc6bc35b0b9b3afb72f46668df

Analysis

max time kernel
94s
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
20-12-2024 02:13

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General

Target

140d53e3b5fda88a39f83ec2389939a72018ccbc6bc35b0b9b3afb72f46668dfN.dll
Size

76KB
MD5

4abc9d73d455c4a4d61ad5075e7ee1a0
SHA1

ca0e17ec6601cea8b8d4528dc595779d3002e0da
SHA256

140d53e3b5fda88a39f83ec2389939a72018ccbc6bc35b0b9b3afb72f46668df
SHA512

ceab147c61e42f698f95788d62d8e2aca0042553ce0ba060b8919e6b1a514e2679f84ef3194f9d2b1a19fe6034b89a482b0a62350f167c910024794eaa526f83
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZuncR:c8y93KQjy7G55riF1cMo03QncR

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/3580-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3580-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5108	3580	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	3580	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 3580	1628	rundll32.exe	85
PID 1628 wrote to memory of 3580	1628	rundll32.exe	85
PID 1628 wrote to memory of 3580	1628	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\140d53e3b5fda88a39f83ec2389939a72018ccbc6bc35b0b9b3afb72f46668dfN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\140d53e3b5fda88a39f83ec2389939a72018ccbc6bc35b0b9b3afb72f46668dfN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 712
    3⤵
    - Program crash
    PID:5108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3580 -ip 3580
1⤵
PID:2228

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/3580-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3580-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download