5b7cd47fc832296aaaea21692c1401eed0056950600bb5767ef6ec08dc285b6a

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 17:33

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General

Target

5b7cd47fc832296aaaea21692c1401eed0056950600bb5767ef6ec08dc285b6aN.dll
Size

80KB
MD5

378c320c9023c0fe7600916e0ba93340
SHA1

bdd021823a09d6c6c572a3ab25275ff4433f727a
SHA256

5b7cd47fc832296aaaea21692c1401eed0056950600bb5767ef6ec08dc285b6a
SHA512

5af06722c6d0f850649e9a581bca3d5d7a8583ba403d7a7eb49ee038aac07857e751ef08ba6894b11bac83980775f8dde03cb9bb979eeecb476ca8f57f7c99a1
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPE3eVwIMl:5dbwovEVyqgoZmZXWfIdQdRaefPIahE

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
1504	arp.exe
1440	arp.exe
1296	arp.exe
2788	arp.exe
3716	arp.exe
1592	arp.exe
4796	arp.exe
4852	arp.exe
1636	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4696-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4696-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4972	4696	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	4696	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 4696	1792	rundll32.exe	83
PID 1792 wrote to memory of 4696	1792	rundll32.exe	83
PID 1792 wrote to memory of 4696	1792	rundll32.exe	83
PID 4696 wrote to memory of 1636	4696	rundll32.exe	85
PID 4696 wrote to memory of 1636	4696	rundll32.exe	85
PID 4696 wrote to memory of 1636	4696	rundll32.exe	85
PID 4696 wrote to memory of 2788	4696	rundll32.exe	88
PID 4696 wrote to memory of 2788	4696	rundll32.exe	88
PID 4696 wrote to memory of 2788	4696	rundll32.exe	88
PID 4696 wrote to memory of 3716	4696	rundll32.exe	89
PID 4696 wrote to memory of 3716	4696	rundll32.exe	89
PID 4696 wrote to memory of 3716	4696	rundll32.exe	89
PID 4696 wrote to memory of 1504	4696	rundll32.exe	91
PID 4696 wrote to memory of 1504	4696	rundll32.exe	91
PID 4696 wrote to memory of 1504	4696	rundll32.exe	91
PID 4696 wrote to memory of 4852	4696	rundll32.exe	93
PID 4696 wrote to memory of 4852	4696	rundll32.exe	93
PID 4696 wrote to memory of 4852	4696	rundll32.exe	93
PID 4696 wrote to memory of 1296	4696	rundll32.exe	94
PID 4696 wrote to memory of 1296	4696	rundll32.exe	94
PID 4696 wrote to memory of 1296	4696	rundll32.exe	94
PID 4696 wrote to memory of 4796	4696	rundll32.exe	95
PID 4696 wrote to memory of 4796	4696	rundll32.exe	95
PID 4696 wrote to memory of 4796	4696	rundll32.exe	95
PID 4696 wrote to memory of 1592	4696	rundll32.exe	96
PID 4696 wrote to memory of 1592	4696	rundll32.exe	96
PID 4696 wrote to memory of 1592	4696	rundll32.exe	96
PID 4696 wrote to memory of 1440	4696	rundll32.exe	97
PID 4696 wrote to memory of 1440	4696	rundll32.exe	97
PID 4696 wrote to memory of 1440	4696	rundll32.exe	97

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b7cd47fc832296aaaea21692c1401eed0056950600bb5767ef6ec08dc285b6aN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b7cd47fc832296aaaea21692c1401eed0056950600bb5767ef6ec08dc285b6aN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4696
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1636
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 41-c6-e7-e1-5c-37
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2788
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 b3-b1-e5-b6-03-ba
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3716
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.182 41-86-0b-57-1e-2f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1504
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 40-46-87-6b-aa-be
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4852
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 fd-7a-4d-b4-b6-64
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1296
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 4e-81-1f-31-2b-84
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4796
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 6c-75-cb-92-d4-be
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1592
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 11-f4-b5-81-17-d7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1440
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 712
    3⤵
    - Program crash
    PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4696 -ip 4696
1⤵
PID:4692

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/4696-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/4696-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download