e571d4e6e15396b945d4917d68ee5b972ad0141acdf0df90fee998548420f18c

Analysis

max time kernel
30s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 09:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e571d4e6e15396b945d4917d68ee5b972ad0141acdf0df90fee998548420f18c.dll
Size

80KB
MD5

a837b957630734f1ecbebe659ec53b97
SHA1

17c882616bee7ec38eaf76919b3d890c62ba3f7c
SHA256

e571d4e6e15396b945d4917d68ee5b972ad0141acdf0df90fee998548420f18c
SHA512

bf5feec3911c0145c8cc23487ceba4d5bfcf82b73fd28eb7a0ba1878c414c59a70e3d4213693fe2f901db5e74e23a6a1ccaec782b09912d4f83f80259d525fdb
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEBaK:5dbwovEVyqgoZmZXWfIdQdRaefPAaK

Score

6^/10

discovery upx

Malware Config

Signatures

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2704	arp.exe
2728	arp.exe
2784	arp.exe
2912	arp.exe
2580	arp.exe
2732	arp.exe
1652	arp.exe
2724	arp.exe
2672	arp.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2744-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2744-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2744-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2744-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	2744	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 10 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	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2744	2708	rundll32.exe	30
PID 2708 wrote to memory of 2744	2708	rundll32.exe	30
PID 2708 wrote to memory of 2744	2708	rundll32.exe	30
PID 2708 wrote to memory of 2744	2708	rundll32.exe	30
PID 2708 wrote to memory of 2744	2708	rundll32.exe	30
PID 2708 wrote to memory of 2744	2708	rundll32.exe	30
PID 2708 wrote to memory of 2744	2708	rundll32.exe	30
PID 2744 wrote to memory of 2712	2744	rundll32.exe	31
PID 2744 wrote to memory of 2712	2744	rundll32.exe	31
PID 2744 wrote to memory of 2712	2744	rundll32.exe	31
PID 2744 wrote to memory of 2712	2744	rundll32.exe	31
PID 2744 wrote to memory of 2704	2744	rundll32.exe	32
PID 2744 wrote to memory of 2704	2744	rundll32.exe	32
PID 2744 wrote to memory of 2704	2744	rundll32.exe	32
PID 2744 wrote to memory of 2704	2744	rundll32.exe	32
PID 2744 wrote to memory of 2912	2744	rundll32.exe	34
PID 2744 wrote to memory of 2912	2744	rundll32.exe	34
PID 2744 wrote to memory of 2912	2744	rundll32.exe	34
PID 2744 wrote to memory of 2912	2744	rundll32.exe	34
PID 2744 wrote to memory of 2580	2744	rundll32.exe	35
PID 2744 wrote to memory of 2580	2744	rundll32.exe	35
PID 2744 wrote to memory of 2580	2744	rundll32.exe	35
PID 2744 wrote to memory of 2580	2744	rundll32.exe	35
PID 2744 wrote to memory of 2732	2744	rundll32.exe	36
PID 2744 wrote to memory of 2732	2744	rundll32.exe	36
PID 2744 wrote to memory of 2732	2744	rundll32.exe	36
PID 2744 wrote to memory of 2732	2744	rundll32.exe	36
PID 2744 wrote to memory of 2728	2744	rundll32.exe	37
PID 2744 wrote to memory of 2728	2744	rundll32.exe	37
PID 2744 wrote to memory of 2728	2744	rundll32.exe	37
PID 2744 wrote to memory of 2728	2744	rundll32.exe	37
PID 2744 wrote to memory of 1652	2744	rundll32.exe	38
PID 2744 wrote to memory of 1652	2744	rundll32.exe	38
PID 2744 wrote to memory of 1652	2744	rundll32.exe	38
PID 2744 wrote to memory of 1652	2744	rundll32.exe	38
PID 2744 wrote to memory of 2724	2744	rundll32.exe	39
PID 2744 wrote to memory of 2724	2744	rundll32.exe	39
PID 2744 wrote to memory of 2724	2744	rundll32.exe	39
PID 2744 wrote to memory of 2724	2744	rundll32.exe	39
PID 2744 wrote to memory of 2672	2744	rundll32.exe	40
PID 2744 wrote to memory of 2672	2744	rundll32.exe	40
PID 2744 wrote to memory of 2672	2744	rundll32.exe	40
PID 2744 wrote to memory of 2672	2744	rundll32.exe	40
PID 2744 wrote to memory of 2784	2744	rundll32.exe	41
PID 2744 wrote to memory of 2784	2744	rundll32.exe	41
PID 2744 wrote to memory of 2784	2744	rundll32.exe	41
PID 2744 wrote to memory of 2784	2744	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e571d4e6e15396b945d4917d68ee5b972ad0141acdf0df90fee998548420f18c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e571d4e6e15396b945d4917d68ee5b972ad0141acdf0df90fee998548420f18c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 328
    3⤵
    - Program crash
    PID:2712
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2704
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 2e-f0-e8-d2-00-ed
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2912
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 77-67-2a-5d-19-e6
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2580
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.76.173 01-ba-5f-10-fb-e2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2732
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 f7-e6-87-d1-48-96
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2728
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 12-7c-f2-ae-97-29
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1652
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 2c-f3-00-23-36-20
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2724
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 d3-f5-da-aa-24-36
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2672
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 81-24-07-66-56-18
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2744-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2744-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2744-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2744-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2744-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download