c5d0b0c507a9587ade9caacff6e3fd74fa496a8b0720d76d17e7d9113ed8c1d6

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 14:19

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General

Target

c5d0b0c507a9587ade9caacff6e3fd74fa496a8b0720d76d17e7d9113ed8c1d6.dll
Size

80KB
MD5

b3071353582a2f30fca1d3ca81534421
SHA1

bae4bed771ff97a496c8431b89f1bb866aa08fb7
SHA256

c5d0b0c507a9587ade9caacff6e3fd74fa496a8b0720d76d17e7d9113ed8c1d6
SHA512

4ef3c7bdc305c1ed50a1b0dd649a7320e48b9c36b5ecff5a842ab043e1c85dad8f452b0dfe77fdf29a5e1cb9196186e181b9bf8804bf04bf5faa29c59174f1d2
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPE/Rutger:5dbwovEVyqgoZmZXWfIdQdRaefPOR7er

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
1972	arp.exe
4012	arp.exe
208	arp.exe
4408	arp.exe
372	arp.exe
2168	arp.exe
5108	arp.exe
3944	arp.exe
2088	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3280-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3280-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
620	3280	WerFault.exe	83

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	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
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	3280	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 3280	448	rundll32.exe	83
PID 448 wrote to memory of 3280	448	rundll32.exe	83
PID 448 wrote to memory of 3280	448	rundll32.exe	83
PID 3280 wrote to memory of 1972	3280	rundll32.exe	84
PID 3280 wrote to memory of 1972	3280	rundll32.exe	84
PID 3280 wrote to memory of 1972	3280	rundll32.exe	84
PID 3280 wrote to memory of 4408	3280	rundll32.exe	88
PID 3280 wrote to memory of 4408	3280	rundll32.exe	88
PID 3280 wrote to memory of 4408	3280	rundll32.exe	88
PID 3280 wrote to memory of 372	3280	rundll32.exe	89
PID 3280 wrote to memory of 372	3280	rundll32.exe	89
PID 3280 wrote to memory of 372	3280	rundll32.exe	89
PID 3280 wrote to memory of 2168	3280	rundll32.exe	90
PID 3280 wrote to memory of 2168	3280	rundll32.exe	90
PID 3280 wrote to memory of 2168	3280	rundll32.exe	90
PID 3280 wrote to memory of 5108	3280	rundll32.exe	91
PID 3280 wrote to memory of 5108	3280	rundll32.exe	91
PID 3280 wrote to memory of 5108	3280	rundll32.exe	91
PID 3280 wrote to memory of 3944	3280	rundll32.exe	92
PID 3280 wrote to memory of 3944	3280	rundll32.exe	92
PID 3280 wrote to memory of 3944	3280	rundll32.exe	92
PID 3280 wrote to memory of 4012	3280	rundll32.exe	93
PID 3280 wrote to memory of 4012	3280	rundll32.exe	93
PID 3280 wrote to memory of 4012	3280	rundll32.exe	93
PID 3280 wrote to memory of 2088	3280	rundll32.exe	94
PID 3280 wrote to memory of 2088	3280	rundll32.exe	94
PID 3280 wrote to memory of 2088	3280	rundll32.exe	94
PID 3280 wrote to memory of 208	3280	rundll32.exe	95
PID 3280 wrote to memory of 208	3280	rundll32.exe	95
PID 3280 wrote to memory of 208	3280	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5d0b0c507a9587ade9caacff6e3fd74fa496a8b0720d76d17e7d9113ed8c1d6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5d0b0c507a9587ade9caacff6e3fd74fa496a8b0720d76d17e7d9113ed8c1d6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3280
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1972
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 c6-e4-96-f3-63-49
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4408
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 44-fe-c9-68-7e-6e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:372
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.185 eb-d4-cf-c8-e4-f1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2168
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 97-a7-48-32-1b-e7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:5108
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 19-1b-cc-f4-87-cd
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3944
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 9a-8e-51-99-40-12
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4012
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 6e-00-06-74-b3-62
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2088
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 7c-1d-27-82-db-c2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 712
    3⤵
    - Program crash
    PID:620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3280 -ip 3280
1⤵
PID:4376

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

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Downloads

memory/3280-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3280-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download