19d5803ab5a3af8e0246f74268e3ad2fc7dabdb2b48b91fc2aba4d1ecf2e2a3f

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
01-01-2025 22:31

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General

Target

19d5803ab5a3af8e0246f74268e3ad2fc7dabdb2b48b91fc2aba4d1ecf2e2a3fN.dll
Size

80KB
MD5

c0f115ec606e1a80603d17e7562749c0
SHA1

f0b2daa2fe3ae494b8fba9d560b7d72217df5800
SHA256

19d5803ab5a3af8e0246f74268e3ad2fc7dabdb2b48b91fc2aba4d1ecf2e2a3f
SHA512

b19752a68389b01eca9370c294df4e6a2cb79953268c1c51fbe61cfb5cf43a30af9b4267b8bc14619d05323de7ecb0ab67aee37bf9a47ce1f966a6daaa5dab93
SSDEEP

1536:uIcs6msUvrh8ErMInQ+4cw9NVWfjaRkE4LEl8B60Y2lfxxHZPEmywZqJ:dcs6v68Erj3w9zWf+SEFuk0/pfPPywZg

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
2936	arp.exe
2856	arp.exe
2620	arp.exe
2632	arp.exe
2056	arp.exe
400	arp.exe
2596	arp.exe
3048	arp.exe
2136	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2424-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2424-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2924	2424	WerFault.exe	28

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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2424	1684	rundll32.exe	28
PID 1684 wrote to memory of 2424	1684	rundll32.exe	28
PID 1684 wrote to memory of 2424	1684	rundll32.exe	28
PID 1684 wrote to memory of 2424	1684	rundll32.exe	28
PID 1684 wrote to memory of 2424	1684	rundll32.exe	28
PID 1684 wrote to memory of 2424	1684	rundll32.exe	28
PID 1684 wrote to memory of 2424	1684	rundll32.exe	28
PID 2424 wrote to memory of 2936	2424	rundll32.exe	30
PID 2424 wrote to memory of 2936	2424	rundll32.exe	30
PID 2424 wrote to memory of 2936	2424	rundll32.exe	30
PID 2424 wrote to memory of 2936	2424	rundll32.exe	30
PID 2424 wrote to memory of 2924	2424	rundll32.exe	29
PID 2424 wrote to memory of 2924	2424	rundll32.exe	29
PID 2424 wrote to memory of 2924	2424	rundll32.exe	29
PID 2424 wrote to memory of 2924	2424	rundll32.exe	29
PID 2424 wrote to memory of 2856	2424	rundll32.exe	32
PID 2424 wrote to memory of 2856	2424	rundll32.exe	32
PID 2424 wrote to memory of 2856	2424	rundll32.exe	32
PID 2424 wrote to memory of 2856	2424	rundll32.exe	32
PID 2424 wrote to memory of 400	2424	rundll32.exe	33
PID 2424 wrote to memory of 400	2424	rundll32.exe	33
PID 2424 wrote to memory of 400	2424	rundll32.exe	33
PID 2424 wrote to memory of 400	2424	rundll32.exe	33
PID 2424 wrote to memory of 2136	2424	rundll32.exe	34
PID 2424 wrote to memory of 2136	2424	rundll32.exe	34
PID 2424 wrote to memory of 2136	2424	rundll32.exe	34
PID 2424 wrote to memory of 2136	2424	rundll32.exe	34
PID 2424 wrote to memory of 3048	2424	rundll32.exe	35
PID 2424 wrote to memory of 3048	2424	rundll32.exe	35
PID 2424 wrote to memory of 3048	2424	rundll32.exe	35
PID 2424 wrote to memory of 3048	2424	rundll32.exe	35
PID 2424 wrote to memory of 2056	2424	rundll32.exe	36
PID 2424 wrote to memory of 2056	2424	rundll32.exe	36
PID 2424 wrote to memory of 2056	2424	rundll32.exe	36
PID 2424 wrote to memory of 2056	2424	rundll32.exe	36
PID 2424 wrote to memory of 2632	2424	rundll32.exe	37
PID 2424 wrote to memory of 2632	2424	rundll32.exe	37
PID 2424 wrote to memory of 2632	2424	rundll32.exe	37
PID 2424 wrote to memory of 2632	2424	rundll32.exe	37
PID 2424 wrote to memory of 2620	2424	rundll32.exe	38
PID 2424 wrote to memory of 2620	2424	rundll32.exe	38
PID 2424 wrote to memory of 2620	2424	rundll32.exe	38
PID 2424 wrote to memory of 2620	2424	rundll32.exe	38
PID 2424 wrote to memory of 2596	2424	rundll32.exe	39
PID 2424 wrote to memory of 2596	2424	rundll32.exe	39
PID 2424 wrote to memory of 2596	2424	rundll32.exe	39
PID 2424 wrote to memory of 2596	2424	rundll32.exe	39

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\19d5803ab5a3af8e0246f74268e3ad2fc7dabdb2b48b91fc2aba4d1ecf2e2a3fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\19d5803ab5a3af8e0246f74268e3ad2fc7dabdb2b48b91fc2aba4d1ecf2e2a3fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 336
    3⤵
    - Program crash
    PID:2924
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2936
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 c2-f9-25-2e-c9-f1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2856
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 c0-3e-66-5b-f5-4a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:400
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.180 b7-41-61-db-f3-49
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2136
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 22-25-d6-29-3c-c4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3048
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 21-88-75-a2-48-9d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2056
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 58-5e-15-f1-8c-8e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2632
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 11-c2-48-5d-3b-18
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2620
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 d5-3d-c1-d1-6b-a1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2596

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/2424-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2424-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2424-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download