1610897387d874a96a5c96ae3f5a9322014c6362ffbf89a9c9db6deb0a7dd985

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
31-12-2024 00:49

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General

Target

1610897387d874a96a5c96ae3f5a9322014c6362ffbf89a9c9db6deb0a7dd985N.dll
Size

80KB
MD5

12a8ed62d6b0d857681c5ff99c112620
SHA1

382a3420541a66ea09a209bc0ba2ac9303f5ad65
SHA256

1610897387d874a96a5c96ae3f5a9322014c6362ffbf89a9c9db6deb0a7dd985
SHA512

0c54cefcddf402cd7e1ff55c1a26b003e68c89c21621182f5700e0c435a7a2d3f4753712330d1d11b9fd3bb32918a2bf6a77f6091c1a2b46fcedc0fb2863e462
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEdXCQSUsS:5dbwovEVyqgoZmZXWfIdQdRaefPkXCQb

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
5116	arp.exe
3372	arp.exe
2644	arp.exe
4032	arp.exe
1540	arp.exe
4496	arp.exe
4088	arp.exe
4128	arp.exe
3792	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5088-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/5088-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2992	5088	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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5088	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 5088	2936	rundll32.exe	82
PID 2936 wrote to memory of 5088	2936	rundll32.exe	82
PID 2936 wrote to memory of 5088	2936	rundll32.exe	82
PID 5088 wrote to memory of 4496	5088	rundll32.exe	84
PID 5088 wrote to memory of 4496	5088	rundll32.exe	84
PID 5088 wrote to memory of 4496	5088	rundll32.exe	84
PID 5088 wrote to memory of 2644	5088	rundll32.exe	87
PID 5088 wrote to memory of 2644	5088	rundll32.exe	87
PID 5088 wrote to memory of 2644	5088	rundll32.exe	87
PID 5088 wrote to memory of 1540	5088	rundll32.exe	88
PID 5088 wrote to memory of 1540	5088	rundll32.exe	88
PID 5088 wrote to memory of 1540	5088	rundll32.exe	88
PID 5088 wrote to memory of 3372	5088	rundll32.exe	89
PID 5088 wrote to memory of 3372	5088	rundll32.exe	89
PID 5088 wrote to memory of 3372	5088	rundll32.exe	89
PID 5088 wrote to memory of 4032	5088	rundll32.exe	90
PID 5088 wrote to memory of 4032	5088	rundll32.exe	90
PID 5088 wrote to memory of 4032	5088	rundll32.exe	90
PID 5088 wrote to memory of 3792	5088	rundll32.exe	91
PID 5088 wrote to memory of 3792	5088	rundll32.exe	91
PID 5088 wrote to memory of 3792	5088	rundll32.exe	91
PID 5088 wrote to memory of 4088	5088	rundll32.exe	92
PID 5088 wrote to memory of 4088	5088	rundll32.exe	92
PID 5088 wrote to memory of 4088	5088	rundll32.exe	92
PID 5088 wrote to memory of 5116	5088	rundll32.exe	93
PID 5088 wrote to memory of 5116	5088	rundll32.exe	93
PID 5088 wrote to memory of 5116	5088	rundll32.exe	93
PID 5088 wrote to memory of 4128	5088	rundll32.exe	94
PID 5088 wrote to memory of 4128	5088	rundll32.exe	94
PID 5088 wrote to memory of 4128	5088	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1610897387d874a96a5c96ae3f5a9322014c6362ffbf89a9c9db6deb0a7dd985N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1610897387d874a96a5c96ae3f5a9322014c6362ffbf89a9c9db6deb0a7dd985N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5088
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4496
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 c6-d9-78-31-d1-4d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2644
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 48-98-2e-67-c0-c0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1540
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.180 91-db-cb-81-e1-dd
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3372
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 e0-3b-ff-fb-b1-b3
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4032
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 58-4c-d4-a0-6e-57
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3792
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 19-14-61-7e-f2-c7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4088
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 a5-66-7b-d2-89-1c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:5116
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 f6-5d-10-6c-ab-d5
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 700
    3⤵
    - Program crash
    PID:2992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5088 -ip 5088
1⤵
PID:932

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/5088-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/5088-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download