03d2b319dec87654f22a07f086e0b5053cc5c5677f6b8884e2dd3b0d48d34846

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
04-01-2025 06:57

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General

Target

03d2b319dec87654f22a07f086e0b5053cc5c5677f6b8884e2dd3b0d48d34846N.dll
Size

80KB
MD5

79517a78bef6e744e1d14c182da23de0
SHA1

e8751dc0af5b6d40e45ab6e2e1d80cb68d502e3c
SHA256

03d2b319dec87654f22a07f086e0b5053cc5c5677f6b8884e2dd3b0d48d34846
SHA512

f1935891315c7eb2622e27093d53e60dd139e1e55c00a2d82b00718a863b1e54ec7de1c3e3e3025d69b8988c5c308f0d227eb8d574be972eaafdc5251fb17e7c
SSDEEP

1536:uIcs6msUvrh8ErMInQ+4cw9NVWfjaRkE4LEl8B60Y2lfxxHZPEVO1Ekq:dcs6v68Erj3w9zWf+SEFuk0/pfP+kq

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
3980	arp.exe
2924	arp.exe
3412	arp.exe
4860	arp.exe
3620	arp.exe
4256	arp.exe
2204	arp.exe
3096	arp.exe
2408	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3500-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3500-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1500	3500	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	3500	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 3500	1668	rundll32.exe	83
PID 1668 wrote to memory of 3500	1668	rundll32.exe	83
PID 1668 wrote to memory of 3500	1668	rundll32.exe	83
PID 3500 wrote to memory of 2924	3500	rundll32.exe	85
PID 3500 wrote to memory of 2924	3500	rundll32.exe	85
PID 3500 wrote to memory of 2924	3500	rundll32.exe	85
PID 3500 wrote to memory of 4256	3500	rundll32.exe	88
PID 3500 wrote to memory of 4256	3500	rundll32.exe	88
PID 3500 wrote to memory of 4256	3500	rundll32.exe	88
PID 3500 wrote to memory of 3620	3500	rundll32.exe	89
PID 3500 wrote to memory of 3620	3500	rundll32.exe	89
PID 3500 wrote to memory of 3620	3500	rundll32.exe	89
PID 3500 wrote to memory of 2408	3500	rundll32.exe	90
PID 3500 wrote to memory of 2408	3500	rundll32.exe	90
PID 3500 wrote to memory of 2408	3500	rundll32.exe	90
PID 3500 wrote to memory of 3980	3500	rundll32.exe	91
PID 3500 wrote to memory of 3980	3500	rundll32.exe	91
PID 3500 wrote to memory of 3980	3500	rundll32.exe	91
PID 3500 wrote to memory of 4860	3500	rundll32.exe	92
PID 3500 wrote to memory of 4860	3500	rundll32.exe	92
PID 3500 wrote to memory of 4860	3500	rundll32.exe	92
PID 3500 wrote to memory of 3412	3500	rundll32.exe	93
PID 3500 wrote to memory of 3412	3500	rundll32.exe	93
PID 3500 wrote to memory of 3412	3500	rundll32.exe	93
PID 3500 wrote to memory of 2204	3500	rundll32.exe	94
PID 3500 wrote to memory of 2204	3500	rundll32.exe	94
PID 3500 wrote to memory of 2204	3500	rundll32.exe	94
PID 3500 wrote to memory of 3096	3500	rundll32.exe	95
PID 3500 wrote to memory of 3096	3500	rundll32.exe	95
PID 3500 wrote to memory of 3096	3500	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03d2b319dec87654f22a07f086e0b5053cc5c5677f6b8884e2dd3b0d48d34846N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\03d2b319dec87654f22a07f086e0b5053cc5c5677f6b8884e2dd3b0d48d34846N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3500
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2924
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 e6-46-d0-8f-f4-07
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4256
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 91-e7-40-2e-4e-ef
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3620
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.76.21 93-9a-61-8f-6a-23
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2408
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 38-d5-a4-1f-7f-ac
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3980
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 38-da-39-d4-72-9d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4860
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 65-a8-44-41-a5-4f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3412
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 d4-c1-c0-21-f0-e4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2204
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 62-82-3a-44-2b-44
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 716
    3⤵
    - Program crash
    PID:1500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3500 -ip 3500
1⤵
PID:3616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/3500-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3500-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download