fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06

Analysis

max time kernel
95s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 06:04

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General

Target

fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06.dll
Size

80KB
MD5

aedfd27750266a64af84e27df66c01b2
SHA1

9338667b6262d21c9cb9a7654cd6997267e1eaca
SHA256

fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06
SHA512

6d54eee4c122dcea1936f1bc524da91ddfe4b8f33d96c51aac8f934be5ea9a80a3e35d062e8e28dec59936aeaf0b8c91c2f3197463dcbfc8fdbe7cf2e9975d22
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEDvME:5dbwovEVyqgoZmZXWfIdQdRaefPM

Score

6^/10

discovery upx

Malware Config

Signatures

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
4732	arp.exe
4244	arp.exe
2248	arp.exe
3600	arp.exe
1528	arp.exe
380	arp.exe
536	arp.exe
1756	arp.exe
4884	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1120-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/1120-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2904	1120	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	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	1120	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 1120	4828	rundll32.exe	83
PID 4828 wrote to memory of 1120	4828	rundll32.exe	83
PID 4828 wrote to memory of 1120	4828	rundll32.exe	83
PID 1120 wrote to memory of 1756	1120	rundll32.exe	85
PID 1120 wrote to memory of 1756	1120	rundll32.exe	85
PID 1120 wrote to memory of 1756	1120	rundll32.exe	85
PID 1120 wrote to memory of 4244	1120	rundll32.exe	88
PID 1120 wrote to memory of 4244	1120	rundll32.exe	88
PID 1120 wrote to memory of 4244	1120	rundll32.exe	88
PID 1120 wrote to memory of 536	1120	rundll32.exe	89
PID 1120 wrote to memory of 536	1120	rundll32.exe	89
PID 1120 wrote to memory of 536	1120	rundll32.exe	89
PID 1120 wrote to memory of 380	1120	rundll32.exe	90
PID 1120 wrote to memory of 380	1120	rundll32.exe	90
PID 1120 wrote to memory of 380	1120	rundll32.exe	90
PID 1120 wrote to memory of 4732	1120	rundll32.exe	91
PID 1120 wrote to memory of 4732	1120	rundll32.exe	91
PID 1120 wrote to memory of 4732	1120	rundll32.exe	91
PID 1120 wrote to memory of 1528	1120	rundll32.exe	92
PID 1120 wrote to memory of 1528	1120	rundll32.exe	92
PID 1120 wrote to memory of 1528	1120	rundll32.exe	92
PID 1120 wrote to memory of 3600	1120	rundll32.exe	93
PID 1120 wrote to memory of 3600	1120	rundll32.exe	93
PID 1120 wrote to memory of 3600	1120	rundll32.exe	93
PID 1120 wrote to memory of 2248	1120	rundll32.exe	94
PID 1120 wrote to memory of 2248	1120	rundll32.exe	94
PID 1120 wrote to memory of 2248	1120	rundll32.exe	94
PID 1120 wrote to memory of 4884	1120	rundll32.exe	95
PID 1120 wrote to memory of 4884	1120	rundll32.exe	95
PID 1120 wrote to memory of 4884	1120	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1756
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 ea-6e-c6-e9-03-69
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4244
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 d7-13-2c-e5-22-8a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:536
- - C:\Windows\SysWOW64\arp.exe
    arp -s 49.12.169.208 05-23-99-7a-12-0e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:380
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 6f-92-a3-f2-3d-52
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4732
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 94-9c-a3-98-12-cb
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1528
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 55-4b-5c-5b-4e-6e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3600
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 f0-a4-c5-5d-a1-a4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2248
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 ca-e4-c6-35-c6-c5
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 708
    3⤵
    - Program crash
    PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1120 -ip 1120
1⤵
PID:1600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/1120-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1120-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download