fed765bcb3c5b010e90ee520664fdd945e719e99c2bb7e17dc190cdbf530f2fb

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/12/2024, 04:49

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General

Target

fed765bcb3c5b010e90ee520664fdd945e719e99c2bb7e17dc190cdbf530f2fb.dll
Size

80KB
MD5

8860dde3ce682f86c8802b891cb54775
SHA1

e3909fd5eff9481a182d5679f7bb6b845da931bc
SHA256

fed765bcb3c5b010e90ee520664fdd945e719e99c2bb7e17dc190cdbf530f2fb
SHA512

c582de1c3f2cddcb4676c4b647cf63bd26e6973dd1ecfbb831c1acea2e521e2bbf28de863e0b265f2f689f8839cbbf7990776a61d8744c07a455f5b6a7ff093c
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEb+p3k:5dbwovEVyqgoZmZXWfIdQdRaefPM+pU

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
2736	arp.exe
2868	arp.exe
2232	arp.exe
2744	arp.exe
2792	arp.exe
2796	arp.exe
596	arp.exe
3016	arp.exe
576	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2020-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2020-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
996	2020	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	rundll32.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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2148 wrote to memory of 2020	2148	rundll32.exe	30
PID 2020 wrote to memory of 596	2020	rundll32.exe	32
PID 2020 wrote to memory of 596	2020	rundll32.exe	32
PID 2020 wrote to memory of 596	2020	rundll32.exe	32
PID 2020 wrote to memory of 596	2020	rundll32.exe	32
PID 2020 wrote to memory of 996	2020	rundll32.exe	31
PID 2020 wrote to memory of 996	2020	rundll32.exe	31
PID 2020 wrote to memory of 996	2020	rundll32.exe	31
PID 2020 wrote to memory of 996	2020	rundll32.exe	31
PID 2020 wrote to memory of 2232	2020	rundll32.exe	35
PID 2020 wrote to memory of 2232	2020	rundll32.exe	35
PID 2020 wrote to memory of 2232	2020	rundll32.exe	35
PID 2020 wrote to memory of 2232	2020	rundll32.exe	35
PID 2020 wrote to memory of 3016	2020	rundll32.exe	36
PID 2020 wrote to memory of 3016	2020	rundll32.exe	36
PID 2020 wrote to memory of 3016	2020	rundll32.exe	36
PID 2020 wrote to memory of 3016	2020	rundll32.exe	36
PID 2020 wrote to memory of 2868	2020	rundll32.exe	37
PID 2020 wrote to memory of 2868	2020	rundll32.exe	37
PID 2020 wrote to memory of 2868	2020	rundll32.exe	37
PID 2020 wrote to memory of 2868	2020	rundll32.exe	37
PID 2020 wrote to memory of 576	2020	rundll32.exe	38
PID 2020 wrote to memory of 576	2020	rundll32.exe	38
PID 2020 wrote to memory of 576	2020	rundll32.exe	38
PID 2020 wrote to memory of 576	2020	rundll32.exe	38
PID 2020 wrote to memory of 2736	2020	rundll32.exe	39
PID 2020 wrote to memory of 2736	2020	rundll32.exe	39
PID 2020 wrote to memory of 2736	2020	rundll32.exe	39
PID 2020 wrote to memory of 2736	2020	rundll32.exe	39
PID 2020 wrote to memory of 2744	2020	rundll32.exe	40
PID 2020 wrote to memory of 2744	2020	rundll32.exe	40
PID 2020 wrote to memory of 2744	2020	rundll32.exe	40
PID 2020 wrote to memory of 2744	2020	rundll32.exe	40
PID 2020 wrote to memory of 2792	2020	rundll32.exe	41
PID 2020 wrote to memory of 2792	2020	rundll32.exe	41
PID 2020 wrote to memory of 2792	2020	rundll32.exe	41
PID 2020 wrote to memory of 2792	2020	rundll32.exe	41
PID 2020 wrote to memory of 2796	2020	rundll32.exe	42
PID 2020 wrote to memory of 2796	2020	rundll32.exe	42
PID 2020 wrote to memory of 2796	2020	rundll32.exe	42
PID 2020 wrote to memory of 2796	2020	rundll32.exe	42

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fed765bcb3c5b010e90ee520664fdd945e719e99c2bb7e17dc190cdbf530f2fb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fed765bcb3c5b010e90ee520664fdd945e719e99c2bb7e17dc190cdbf530f2fb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 264
    3⤵
    - Program crash
    PID:996
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:596
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 72-fa-93-18-e9-ca
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2232
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 39-26-31-51-d9-75
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3016
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.183 bb-14-8f-67-59-1a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2868
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 64-e9-dc-18-57-93
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:576
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 31-b6-d6-90-4b-fb
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2736
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 43-c5-2a-c4-46-d9
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2744
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 a5-80-02-c7-53-cc
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2792
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 cd-76-81-c5-51-ca
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2796

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

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Downloads

memory/2020-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2020-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download