3231dec858ba584cfb09317d5fc7966ce322949f6f45d7df242253d7f2983f74

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 09:27

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General

Target

3231dec858ba584cfb09317d5fc7966ce322949f6f45d7df242253d7f2983f74.dll
Size

80KB
MD5

3d1382f2f19167caecd7b7ab693a4436
SHA1

695cbc23e54f66c55bd461cb8dd39c036f5e0f47
SHA256

3231dec858ba584cfb09317d5fc7966ce322949f6f45d7df242253d7f2983f74
SHA512

f868da844f3c54b2895a0fb3edbf25da7286477c65a6fc10486f391b269f8b64c858dba3bda69b844259264f1b6d7eea15f33c82477f11b055a2923d7c07fdbb
SSDEEP

1536:uIcs6msUvrh8ErMInQ+4cw9NVWfjaRkE4LEl8B60Y2lfxxHZPEvB+2C:dcs6v68Erj3w9zWf+SEFuk0/pfPt2C

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
824	arp.exe
4780	arp.exe
4588	arp.exe
1748	arp.exe
1524	arp.exe
3904	arp.exe
4784	arp.exe
4144	arp.exe
1168	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1056-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/1056-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1496	1056	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	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
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	1056	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 1056	3020	rundll32.exe	83
PID 3020 wrote to memory of 1056	3020	rundll32.exe	83
PID 3020 wrote to memory of 1056	3020	rundll32.exe	83
PID 1056 wrote to memory of 1168	1056	rundll32.exe	85
PID 1056 wrote to memory of 1168	1056	rundll32.exe	85
PID 1056 wrote to memory of 1168	1056	rundll32.exe	85
PID 1056 wrote to memory of 4588	1056	rundll32.exe	88
PID 1056 wrote to memory of 4588	1056	rundll32.exe	88
PID 1056 wrote to memory of 4588	1056	rundll32.exe	88
PID 1056 wrote to memory of 4780	1056	rundll32.exe	89
PID 1056 wrote to memory of 4780	1056	rundll32.exe	89
PID 1056 wrote to memory of 4780	1056	rundll32.exe	89
PID 1056 wrote to memory of 4784	1056	rundll32.exe	90
PID 1056 wrote to memory of 4784	1056	rundll32.exe	90
PID 1056 wrote to memory of 4784	1056	rundll32.exe	90
PID 1056 wrote to memory of 3904	1056	rundll32.exe	91
PID 1056 wrote to memory of 3904	1056	rundll32.exe	91
PID 1056 wrote to memory of 3904	1056	rundll32.exe	91
PID 1056 wrote to memory of 824	1056	rundll32.exe	92
PID 1056 wrote to memory of 824	1056	rundll32.exe	92
PID 1056 wrote to memory of 824	1056	rundll32.exe	92
PID 1056 wrote to memory of 1524	1056	rundll32.exe	93
PID 1056 wrote to memory of 1524	1056	rundll32.exe	93
PID 1056 wrote to memory of 1524	1056	rundll32.exe	93
PID 1056 wrote to memory of 1748	1056	rundll32.exe	94
PID 1056 wrote to memory of 1748	1056	rundll32.exe	94
PID 1056 wrote to memory of 1748	1056	rundll32.exe	94
PID 1056 wrote to memory of 4144	1056	rundll32.exe	95
PID 1056 wrote to memory of 4144	1056	rundll32.exe	95
PID 1056 wrote to memory of 4144	1056	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3231dec858ba584cfb09317d5fc7966ce322949f6f45d7df242253d7f2983f74.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3231dec858ba584cfb09317d5fc7966ce322949f6f45d7df242253d7f2983f74.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1168
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 a1-95-6f-53-c8-8d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4588
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 b5-3a-34-56-e5-2e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4780
- - C:\Windows\SysWOW64\arp.exe
    arp -s 49.12.169.208 b9-ad-ab-21-4d-4f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4784
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 f2-f4-aa-7a-9d-8d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3904
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 f9-d5-65-b6-5d-11
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:824
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 83-63-bb-22-07-65
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1524
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 82-27-a6-b3-50-84
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1748
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 83-23-17-8f-1f-09
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 676
    3⤵
    - Program crash
    PID:1496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1056 -ip 1056
1⤵
PID:1928

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/1056-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/1056-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download