3d9507a5c12fe693e0a6520619ecd48bbde308737870a2d0453f332606da582f

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 12:47

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General

Target

3d9507a5c12fe693e0a6520619ecd48bbde308737870a2d0453f332606da582fN.dll
Size

80KB
MD5

41671a745beb2775ec5579c5b0443930
SHA1

609780b45844683eb6ceb30ae043986402751d2a
SHA256

3d9507a5c12fe693e0a6520619ecd48bbde308737870a2d0453f332606da582f
SHA512

8dea2c9bdeb30913bea92556e034904b275eadf9d17245d1b5747a109aae2c3b1145cdb5695c13b0f1d872f19d208b17a14fc79562cdd63ecf1127c8eba32951
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPExeKIIAf:5dbwovEVyqgoZmZXWfIdQdRaefPFKlAf

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
3448	arp.exe
3912	arp.exe
3124	arp.exe
716	arp.exe
4876	arp.exe
2092	arp.exe
3128	arp.exe
2032	arp.exe
2416	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/316-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/316-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3904	316	WerFault.exe	84

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	316	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 316	4588	rundll32.exe	84
PID 4588 wrote to memory of 316	4588	rundll32.exe	84
PID 4588 wrote to memory of 316	4588	rundll32.exe	84
PID 316 wrote to memory of 4876	316	rundll32.exe	86
PID 316 wrote to memory of 4876	316	rundll32.exe	86
PID 316 wrote to memory of 4876	316	rundll32.exe	86
PID 316 wrote to memory of 716	316	rundll32.exe	89
PID 316 wrote to memory of 716	316	rundll32.exe	89
PID 316 wrote to memory of 716	316	rundll32.exe	89
PID 316 wrote to memory of 3124	316	rundll32.exe	90
PID 316 wrote to memory of 3124	316	rundll32.exe	90
PID 316 wrote to memory of 3124	316	rundll32.exe	90
PID 316 wrote to memory of 3912	316	rundll32.exe	91
PID 316 wrote to memory of 3912	316	rundll32.exe	91
PID 316 wrote to memory of 3912	316	rundll32.exe	91
PID 316 wrote to memory of 3128	316	rundll32.exe	92
PID 316 wrote to memory of 3128	316	rundll32.exe	92
PID 316 wrote to memory of 3128	316	rundll32.exe	92
PID 316 wrote to memory of 2416	316	rundll32.exe	93
PID 316 wrote to memory of 2416	316	rundll32.exe	93
PID 316 wrote to memory of 2416	316	rundll32.exe	93
PID 316 wrote to memory of 3448	316	rundll32.exe	94
PID 316 wrote to memory of 3448	316	rundll32.exe	94
PID 316 wrote to memory of 3448	316	rundll32.exe	94
PID 316 wrote to memory of 2032	316	rundll32.exe	95
PID 316 wrote to memory of 2032	316	rundll32.exe	95
PID 316 wrote to memory of 2032	316	rundll32.exe	95
PID 316 wrote to memory of 2092	316	rundll32.exe	96
PID 316 wrote to memory of 2092	316	rundll32.exe	96
PID 316 wrote to memory of 2092	316	rundll32.exe	96

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d9507a5c12fe693e0a6520619ecd48bbde308737870a2d0453f332606da582fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d9507a5c12fe693e0a6520619ecd48bbde308737870a2d0453f332606da582fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:316
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4876
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 de-ee-f8-71-e1-19
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:716
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 dc-a4-7b-bb-48-48
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3124
- - C:\Windows\SysWOW64\arp.exe
    arp -s 49.12.169.208 d3-94-11-d5-23-4d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3912
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 ea-48-21-fa-77-71
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3128
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 b8-d5-fe-9a-7e-f3
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2416
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 fb-c9-c3-eb-a1-88
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3448
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 1e-d1-99-9e-b8-c4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2032
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 4a-38-69-30-cb-08
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 680
    3⤵
    - Program crash
    PID:3904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 316 -ip 316
1⤵
PID:3468

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/316-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/316-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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