e25469190b9a8c4b78907f337ded6f937c7bacd3f6fca3173cfaef73943ff9f0

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 03:38

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General

Target

e25469190b9a8c4b78907f337ded6f937c7bacd3f6fca3173cfaef73943ff9f0.dll
Size

80KB
MD5

67b5f1b320ffe4d30febb404c53c67d4
SHA1

02b66c2315f45fa4a0605e2775b0aacb31bcb6e4
SHA256

e25469190b9a8c4b78907f337ded6f937c7bacd3f6fca3173cfaef73943ff9f0
SHA512

e6d5cf80685caf88d84435ee6f79698679ce3b260175149b508ab69ba95f882ba36e28ad179e919bcb6958c47a6671f3c1ac6af6bb480823080f5bc91c8c0b43
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPE9IcF:5dbwovEVyqgoZmZXWfIdQdRaefPc

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
1104	arp.exe
1848	arp.exe
1676	arp.exe
4752	arp.exe
392	arp.exe
1992	arp.exe
1248	arp.exe
2352	arp.exe
1904	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4020-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4020-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
532	4020	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	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	4020	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 4020	4860	rundll32.exe	83
PID 4860 wrote to memory of 4020	4860	rundll32.exe	83
PID 4860 wrote to memory of 4020	4860	rundll32.exe	83
PID 4020 wrote to memory of 1248	4020	rundll32.exe	85
PID 4020 wrote to memory of 1248	4020	rundll32.exe	85
PID 4020 wrote to memory of 1248	4020	rundll32.exe	85
PID 4020 wrote to memory of 1676	4020	rundll32.exe	88
PID 4020 wrote to memory of 1676	4020	rundll32.exe	88
PID 4020 wrote to memory of 1676	4020	rundll32.exe	88
PID 4020 wrote to memory of 1848	4020	rundll32.exe	89
PID 4020 wrote to memory of 1848	4020	rundll32.exe	89
PID 4020 wrote to memory of 1848	4020	rundll32.exe	89
PID 4020 wrote to memory of 1104	4020	rundll32.exe	90
PID 4020 wrote to memory of 1104	4020	rundll32.exe	90
PID 4020 wrote to memory of 1104	4020	rundll32.exe	90
PID 4020 wrote to memory of 1904	4020	rundll32.exe	91
PID 4020 wrote to memory of 1904	4020	rundll32.exe	91
PID 4020 wrote to memory of 1904	4020	rundll32.exe	91
PID 4020 wrote to memory of 2352	4020	rundll32.exe	92
PID 4020 wrote to memory of 2352	4020	rundll32.exe	92
PID 4020 wrote to memory of 2352	4020	rundll32.exe	92
PID 4020 wrote to memory of 4752	4020	rundll32.exe	93
PID 4020 wrote to memory of 4752	4020	rundll32.exe	93
PID 4020 wrote to memory of 4752	4020	rundll32.exe	93
PID 4020 wrote to memory of 392	4020	rundll32.exe	94
PID 4020 wrote to memory of 392	4020	rundll32.exe	94
PID 4020 wrote to memory of 392	4020	rundll32.exe	94
PID 4020 wrote to memory of 1992	4020	rundll32.exe	95
PID 4020 wrote to memory of 1992	4020	rundll32.exe	95
PID 4020 wrote to memory of 1992	4020	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e25469190b9a8c4b78907f337ded6f937c7bacd3f6fca3173cfaef73943ff9f0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e25469190b9a8c4b78907f337ded6f937c7bacd3f6fca3173cfaef73943ff9f0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4020
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1248
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 85-dd-94-af-2e-f4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1676
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 72-a8-d2-5d-af-b2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1848
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.181 5c-2f-77-23-15-62
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1104
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 43-bf-88-68-e2-88
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1904
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 92-dc-be-2f-53-69
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2352
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 f5-24-b8-8b-69-ea
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4752
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 7c-19-91-ea-9c-72
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:392
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 38-6c-41-21-0b-11
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 716
    3⤵
    - Program crash
    PID:532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4020 -ip 4020
1⤵
PID:4728

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/4020-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/4020-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download