fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 05:58

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General

Target

fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06.dll
Size

80KB
MD5

aedfd27750266a64af84e27df66c01b2
SHA1

9338667b6262d21c9cb9a7654cd6997267e1eaca
SHA256

fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06
SHA512

6d54eee4c122dcea1936f1bc524da91ddfe4b8f33d96c51aac8f934be5ea9a80a3e35d062e8e28dec59936aeaf0b8c91c2f3197463dcbfc8fdbe7cf2e9975d22
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEDvME:5dbwovEVyqgoZmZXWfIdQdRaefPM

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
2640	arp.exe
2824	arp.exe
2804	arp.exe
2660	arp.exe
2672	arp.exe
2064	arp.exe
2364	arp.exe
2808	arp.exe
2788	arp.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2612-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2064-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2064-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2612-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2640-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2364-6-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2640-8-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2804-13-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2364-11-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2804-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2824-14-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2788-16-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2672-15-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2672-26-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2660-24-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2660-18-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2824-22-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2808-17-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2616	2612	WerFault.exe	31

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	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

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	rundll32.exe
Token: SeDebugPrivilege	2064	arp.exe
Token: SeDebugPrivilege	2640	arp.exe
Token: SeDebugPrivilege	2804	arp.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2612	2328	rundll32.exe	31
PID 2328 wrote to memory of 2612	2328	rundll32.exe	31
PID 2328 wrote to memory of 2612	2328	rundll32.exe	31
PID 2328 wrote to memory of 2612	2328	rundll32.exe	31
PID 2328 wrote to memory of 2612	2328	rundll32.exe	31
PID 2328 wrote to memory of 2612	2328	rundll32.exe	31
PID 2328 wrote to memory of 2612	2328	rundll32.exe	31
PID 2612 wrote to memory of 2616	2612	rundll32.exe	32
PID 2612 wrote to memory of 2616	2612	rundll32.exe	32
PID 2612 wrote to memory of 2616	2612	rundll32.exe	32
PID 2612 wrote to memory of 2616	2612	rundll32.exe	32
PID 2612 wrote to memory of 2064	2612	rundll32.exe	33
PID 2612 wrote to memory of 2064	2612	rundll32.exe	33
PID 2612 wrote to memory of 2064	2612	rundll32.exe	33
PID 2612 wrote to memory of 2064	2612	rundll32.exe	33
PID 2612 wrote to memory of 2640	2612	rundll32.exe	35
PID 2612 wrote to memory of 2640	2612	rundll32.exe	35
PID 2612 wrote to memory of 2640	2612	rundll32.exe	35
PID 2612 wrote to memory of 2640	2612	rundll32.exe	35
PID 2612 wrote to memory of 2364	2612	rundll32.exe	36
PID 2612 wrote to memory of 2364	2612	rundll32.exe	36
PID 2612 wrote to memory of 2364	2612	rundll32.exe	36
PID 2612 wrote to memory of 2364	2612	rundll32.exe	36
PID 2612 wrote to memory of 2672	2612	rundll32.exe	37
PID 2612 wrote to memory of 2672	2612	rundll32.exe	37
PID 2612 wrote to memory of 2672	2612	rundll32.exe	37
PID 2612 wrote to memory of 2672	2612	rundll32.exe	37
PID 2612 wrote to memory of 2660	2612	rundll32.exe	38
PID 2612 wrote to memory of 2660	2612	rundll32.exe	38
PID 2612 wrote to memory of 2660	2612	rundll32.exe	38
PID 2612 wrote to memory of 2660	2612	rundll32.exe	38
PID 2612 wrote to memory of 2788	2612	rundll32.exe	39
PID 2612 wrote to memory of 2788	2612	rundll32.exe	39
PID 2612 wrote to memory of 2788	2612	rundll32.exe	39
PID 2612 wrote to memory of 2788	2612	rundll32.exe	39
PID 2612 wrote to memory of 2804	2612	rundll32.exe	40
PID 2612 wrote to memory of 2804	2612	rundll32.exe	40
PID 2612 wrote to memory of 2804	2612	rundll32.exe	40
PID 2612 wrote to memory of 2804	2612	rundll32.exe	40
PID 2612 wrote to memory of 2808	2612	rundll32.exe	41
PID 2612 wrote to memory of 2808	2612	rundll32.exe	41
PID 2612 wrote to memory of 2808	2612	rundll32.exe	41
PID 2612 wrote to memory of 2808	2612	rundll32.exe	41
PID 2612 wrote to memory of 2824	2612	rundll32.exe	42
PID 2612 wrote to memory of 2824	2612	rundll32.exe	42
PID 2612 wrote to memory of 2824	2612	rundll32.exe	42
PID 2612 wrote to memory of 2824	2612	rundll32.exe	42

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- 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:2612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 248
    3⤵
    - Program crash
    PID:2616
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2064
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 ed-88-66-d8-e7-4b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2640
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 ce-33-3b-6c-b0-ce
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2364
- - C:\Windows\SysWOW64\arp.exe
    arp -s 49.12.169.207 63-59-e4-83-99-65
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2672
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 84-1a-db-8c-4a-79
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2660
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 2c-aa-74-f6-c3-c3
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2788
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 cd-aa-89-73-ce-ab
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2804
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 21-c3-24-3e-07-c0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2808
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 8c-52-6e-a3-38-ca
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2824

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

Replay Monitor

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Downloads

memory/2064-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2064-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2364-11-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2364-6-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2612-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2612-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2640-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2640-8-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2660-24-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2660-18-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2672-15-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2672-26-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2788-16-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2804-13-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2804-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2808-17-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2824-14-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2824-22-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download