c5d0b0c507a9587ade9caacff6e3fd74fa496a8b0720d76d17e7d9113ed8c1d6

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-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 4 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
1368	arp.exe
3060	arp.exe
2788	arp.exe
2200	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2408-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2408-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2408-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2072	2408	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 4 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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	rundll32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2408	2556	rundll32.exe	30
PID 2556 wrote to memory of 2408	2556	rundll32.exe	30
PID 2556 wrote to memory of 2408	2556	rundll32.exe	30
PID 2556 wrote to memory of 2408	2556	rundll32.exe	30
PID 2556 wrote to memory of 2408	2556	rundll32.exe	30
PID 2556 wrote to memory of 2408	2556	rundll32.exe	30
PID 2556 wrote to memory of 2408	2556	rundll32.exe	30
PID 2408 wrote to memory of 1368	2408	rundll32.exe	31
PID 2408 wrote to memory of 1368	2408	rundll32.exe	31
PID 2408 wrote to memory of 1368	2408	rundll32.exe	31
PID 2408 wrote to memory of 1368	2408	rundll32.exe	31
PID 2408 wrote to memory of 2072	2408	rundll32.exe	33
PID 2408 wrote to memory of 2072	2408	rundll32.exe	33
PID 2408 wrote to memory of 2072	2408	rundll32.exe	33
PID 2408 wrote to memory of 2072	2408	rundll32.exe	33
PID 2408 wrote to memory of 3060	2408	rundll32.exe	35
PID 2408 wrote to memory of 3060	2408	rundll32.exe	35
PID 2408 wrote to memory of 3060	2408	rundll32.exe	35
PID 2408 wrote to memory of 3060	2408	rundll32.exe	35
PID 2408 wrote to memory of 2788	2408	rundll32.exe	36
PID 2408 wrote to memory of 2788	2408	rundll32.exe	36
PID 2408 wrote to memory of 2788	2408	rundll32.exe	36
PID 2408 wrote to memory of 2788	2408	rundll32.exe	36

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5d0b0c507a9587ade9caacff6e3fd74fa496a8b0720d76d17e7d9113ed8c1d6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2556
- 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:2408
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 268
    3⤵
    - Program crash
    PID:2072
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 75-37-01-f5-d3-50
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3060
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 4e-a6-f0-70-7f-4c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2788
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.182 9d-e1-4b-54-84-ac
    3⤵
    - Network Service Discovery
    PID:2200

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/2408-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2408-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2408-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download