94434f0d796da42c1baed9ea3e1ee54f36bd91ec6eabc95f4cf9d239bd0b633f

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 05:43

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General

Target

94434f0d796da42c1baed9ea3e1ee54f36bd91ec6eabc95f4cf9d239bd0b633fN.dll
Size

80KB
MD5

a93ed204a90019a4f883d9531a2d3270
SHA1

b7f0267c9e69471c60426f6389e48532677b50a6
SHA256

94434f0d796da42c1baed9ea3e1ee54f36bd91ec6eabc95f4cf9d239bd0b633f
SHA512

8e0154827a889340d5c3ca2087381e2cff4ae35117385071f9094ca2014b1abe9aaad6a3c467d7a8d928c3c3971d53f706a761fed01aced35d5b851bf1d61c6b
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEtLE7:5dbwovEVyqgoZmZXWfIdQdRaefP6E7

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
2188	arp.exe
4752	arp.exe
4216	arp.exe
3172	arp.exe
2952	arp.exe
4568	arp.exe
1204	arp.exe
4800	arp.exe
432	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2128-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/2128-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3424	2128	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	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 924 wrote to memory of 2128	924	rundll32.exe	84
PID 924 wrote to memory of 2128	924	rundll32.exe	84
PID 924 wrote to memory of 2128	924	rundll32.exe	84
PID 2128 wrote to memory of 432	2128	rundll32.exe	86
PID 2128 wrote to memory of 432	2128	rundll32.exe	86
PID 2128 wrote to memory of 432	2128	rundll32.exe	86
PID 2128 wrote to memory of 2952	2128	rundll32.exe	89
PID 2128 wrote to memory of 2952	2128	rundll32.exe	89
PID 2128 wrote to memory of 2952	2128	rundll32.exe	89
PID 2128 wrote to memory of 4800	2128	rundll32.exe	90
PID 2128 wrote to memory of 4800	2128	rundll32.exe	90
PID 2128 wrote to memory of 4800	2128	rundll32.exe	90
PID 2128 wrote to memory of 1204	2128	rundll32.exe	91
PID 2128 wrote to memory of 1204	2128	rundll32.exe	91
PID 2128 wrote to memory of 1204	2128	rundll32.exe	91
PID 2128 wrote to memory of 4216	2128	rundll32.exe	92
PID 2128 wrote to memory of 4216	2128	rundll32.exe	92
PID 2128 wrote to memory of 4216	2128	rundll32.exe	92
PID 2128 wrote to memory of 4752	2128	rundll32.exe	93
PID 2128 wrote to memory of 4752	2128	rundll32.exe	93
PID 2128 wrote to memory of 4752	2128	rundll32.exe	93
PID 2128 wrote to memory of 2188	2128	rundll32.exe	94
PID 2128 wrote to memory of 2188	2128	rundll32.exe	94
PID 2128 wrote to memory of 2188	2128	rundll32.exe	94
PID 2128 wrote to memory of 3172	2128	rundll32.exe	95
PID 2128 wrote to memory of 3172	2128	rundll32.exe	95
PID 2128 wrote to memory of 3172	2128	rundll32.exe	95
PID 2128 wrote to memory of 4568	2128	rundll32.exe	96
PID 2128 wrote to memory of 4568	2128	rundll32.exe	96
PID 2128 wrote to memory of 4568	2128	rundll32.exe	96

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\94434f0d796da42c1baed9ea3e1ee54f36bd91ec6eabc95f4cf9d239bd0b633fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\94434f0d796da42c1baed9ea3e1ee54f36bd91ec6eabc95f4cf9d239bd0b633fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:432
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 2b-99-24-bd-a6-5f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2952
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 47-85-f2-08-21-d7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4800
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.181 ba-73-b5-05-98-3d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1204
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 8f-27-5b-c5-90-8d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4216
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 33-73-bd-bf-85-9f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4752
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 c3-4a-6f-ad-7a-7a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2188
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 a6-62-b4-c0-b8-e8
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3172
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 6f-bb-d1-ad-4b-21
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4568
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 700
    3⤵
    - Program crash
    PID:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2128 -ip 2128
1⤵
PID:4468

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/2128-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2128-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download