5f1bdc14ca8d568993c8786c8b259fa57921beee87189ccc016adcf158066305

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 22:52

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General

Target

5f1bdc14ca8d568993c8786c8b259fa57921beee87189ccc016adcf158066305.dll
Size

80KB
MD5

d4fed2e5cebf432b62ea20a76ca31624
SHA1

e22ca4f896d0196295f422202bf061c5df817d57
SHA256

5f1bdc14ca8d568993c8786c8b259fa57921beee87189ccc016adcf158066305
SHA512

0ac0ddde049f9235fdad2c4f32b6750ab377d3b3efb9aa20c705d35ceb8cb9c08872bca312880359da69e33fd1f7e8b250b605ed6e2a8e5f536c7a071bf9f14e
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEz1:5dbwovEVyqgoZmZXWfIdQdRaefPe

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
1600	arp.exe
3892	arp.exe
4904	arp.exe
116	arp.exe
3592	arp.exe
1584	arp.exe
1884	arp.exe
1872	arp.exe
4552	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5104-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/5104-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1012	5104	WerFault.exe	82

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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5104	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 5104	4856	rundll32.exe	82
PID 4856 wrote to memory of 5104	4856	rundll32.exe	82
PID 4856 wrote to memory of 5104	4856	rundll32.exe	82
PID 5104 wrote to memory of 1884	5104	rundll32.exe	84
PID 5104 wrote to memory of 1884	5104	rundll32.exe	84
PID 5104 wrote to memory of 1884	5104	rundll32.exe	84
PID 5104 wrote to memory of 116	5104	rundll32.exe	87
PID 5104 wrote to memory of 116	5104	rundll32.exe	87
PID 5104 wrote to memory of 116	5104	rundll32.exe	87
PID 5104 wrote to memory of 3592	5104	rundll32.exe	88
PID 5104 wrote to memory of 3592	5104	rundll32.exe	88
PID 5104 wrote to memory of 3592	5104	rundll32.exe	88
PID 5104 wrote to memory of 1584	5104	rundll32.exe	89
PID 5104 wrote to memory of 1584	5104	rundll32.exe	89
PID 5104 wrote to memory of 1584	5104	rundll32.exe	89
PID 5104 wrote to memory of 1600	5104	rundll32.exe	90
PID 5104 wrote to memory of 1600	5104	rundll32.exe	90
PID 5104 wrote to memory of 1600	5104	rundll32.exe	90
PID 5104 wrote to memory of 4552	5104	rundll32.exe	92
PID 5104 wrote to memory of 4552	5104	rundll32.exe	92
PID 5104 wrote to memory of 4552	5104	rundll32.exe	92
PID 5104 wrote to memory of 4904	5104	rundll32.exe	93
PID 5104 wrote to memory of 4904	5104	rundll32.exe	93
PID 5104 wrote to memory of 4904	5104	rundll32.exe	93
PID 5104 wrote to memory of 3892	5104	rundll32.exe	94
PID 5104 wrote to memory of 3892	5104	rundll32.exe	94
PID 5104 wrote to memory of 3892	5104	rundll32.exe	94
PID 5104 wrote to memory of 1872	5104	rundll32.exe	98
PID 5104 wrote to memory of 1872	5104	rundll32.exe	98
PID 5104 wrote to memory of 1872	5104	rundll32.exe	98

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f1bdc14ca8d568993c8786c8b259fa57921beee87189ccc016adcf158066305.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f1bdc14ca8d568993c8786c8b259fa57921beee87189ccc016adcf158066305.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5104
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1884
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 2b-d1-02-a6-d9-e0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:116
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 fb-c5-62-3a-68-7a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3592
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.69.123 c7-c1-4a-71-5f-69
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1584
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 cc-1f-07-10-c0-21
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1600
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 7a-7f-3e-95-96-1c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4552
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 b7-e3-0e-b5-f5-01
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4904
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 a3-3b-60-b8-02-74
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3892
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 bd-8c-5d-2e-3f-2c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 712
    3⤵
    - Program crash
    PID:1012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5104 -ip 5104
1⤵
PID:5092

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/5104-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/5104-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download