e311871e7268be5cfcfaa8755278dfb7a73b6d3b0c13676026a677807d26d9ac

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 07:16

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General

Target

e311871e7268be5cfcfaa8755278dfb7a73b6d3b0c13676026a677807d26d9acN.dll
Size

80KB
MD5

46b035cdaeb3f73c6c51bcb98af4e6d0
SHA1

aa4a6ee46e634e902491fa86fa861464cff257de
SHA256

e311871e7268be5cfcfaa8755278dfb7a73b6d3b0c13676026a677807d26d9ac
SHA512

580c4b6284de0c5c4073ee178f2c3e0d03eeae5fb07746331f63efd9743ea38af5f3bbbce98ae717435c8e95a94bd1b752216d7a0c8b880c90ff0c41ad3e4f38
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEhR0KXW+OY/b:5dbwovEVyqgoZmZXWfIdQdRaefPCRhVn

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
2804	arp.exe
3064	arp.exe
2548	arp.exe
2720	arp.exe
3040	arp.exe
2856	arp.exe
2984	arp.exe
2732	arp.exe
2784	arp.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2568-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2568-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2804-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2804-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2568-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2732-11-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2548-10-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3040-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2856-8-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2856-20-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2720-17-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2984-16-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3064-15-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2784-14-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3040-13-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2984-28-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2732-24-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2548-22-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2720-26-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2784-30-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2144	2568	WerFault.exe	30

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	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

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2568	rundll32.exe
Token: SeDebugPrivilege	2804	arp.exe
Token: SeDebugPrivilege	3040	arp.exe
Token: SeDebugPrivilege	2856	arp.exe
Token: SeDebugPrivilege	2548	arp.exe
Token: SeDebugPrivilege	2732	arp.exe
Token: SeDebugPrivilege	2784	arp.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2568	2932	rundll32.exe	30
PID 2932 wrote to memory of 2568	2932	rundll32.exe	30
PID 2932 wrote to memory of 2568	2932	rundll32.exe	30
PID 2932 wrote to memory of 2568	2932	rundll32.exe	30
PID 2932 wrote to memory of 2568	2932	rundll32.exe	30
PID 2932 wrote to memory of 2568	2932	rundll32.exe	30
PID 2932 wrote to memory of 2568	2932	rundll32.exe	30
PID 2568 wrote to memory of 2144	2568	rundll32.exe	31
PID 2568 wrote to memory of 2144	2568	rundll32.exe	31
PID 2568 wrote to memory of 2144	2568	rundll32.exe	31
PID 2568 wrote to memory of 2144	2568	rundll32.exe	31
PID 2568 wrote to memory of 2804	2568	rundll32.exe	32
PID 2568 wrote to memory of 2804	2568	rundll32.exe	32
PID 2568 wrote to memory of 2804	2568	rundll32.exe	32
PID 2568 wrote to memory of 2804	2568	rundll32.exe	32
PID 2568 wrote to memory of 3064	2568	rundll32.exe	34
PID 2568 wrote to memory of 3064	2568	rundll32.exe	34
PID 2568 wrote to memory of 3064	2568	rundll32.exe	34
PID 2568 wrote to memory of 3064	2568	rundll32.exe	34
PID 2568 wrote to memory of 2856	2568	rundll32.exe	35
PID 2568 wrote to memory of 2856	2568	rundll32.exe	35
PID 2568 wrote to memory of 2856	2568	rundll32.exe	35
PID 2568 wrote to memory of 2856	2568	rundll32.exe	35
PID 2568 wrote to memory of 2984	2568	rundll32.exe	36
PID 2568 wrote to memory of 2984	2568	rundll32.exe	36
PID 2568 wrote to memory of 2984	2568	rundll32.exe	36
PID 2568 wrote to memory of 2984	2568	rundll32.exe	36
PID 2568 wrote to memory of 2732	2568	rundll32.exe	37
PID 2568 wrote to memory of 2732	2568	rundll32.exe	37
PID 2568 wrote to memory of 2732	2568	rundll32.exe	37
PID 2568 wrote to memory of 2732	2568	rundll32.exe	37
PID 2568 wrote to memory of 2784	2568	rundll32.exe	38
PID 2568 wrote to memory of 2784	2568	rundll32.exe	38
PID 2568 wrote to memory of 2784	2568	rundll32.exe	38
PID 2568 wrote to memory of 2784	2568	rundll32.exe	38
PID 2568 wrote to memory of 3040	2568	rundll32.exe	39
PID 2568 wrote to memory of 3040	2568	rundll32.exe	39
PID 2568 wrote to memory of 3040	2568	rundll32.exe	39
PID 2568 wrote to memory of 3040	2568	rundll32.exe	39
PID 2568 wrote to memory of 2720	2568	rundll32.exe	40
PID 2568 wrote to memory of 2720	2568	rundll32.exe	40
PID 2568 wrote to memory of 2720	2568	rundll32.exe	40
PID 2568 wrote to memory of 2720	2568	rundll32.exe	40
PID 2568 wrote to memory of 2548	2568	rundll32.exe	41
PID 2568 wrote to memory of 2548	2568	rundll32.exe	41
PID 2568 wrote to memory of 2548	2568	rundll32.exe	41
PID 2568 wrote to memory of 2548	2568	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e311871e7268be5cfcfaa8755278dfb7a73b6d3b0c13676026a677807d26d9acN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e311871e7268be5cfcfaa8755278dfb7a73b6d3b0c13676026a677807d26d9acN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 268
    3⤵
    - Program crash
    PID:2144
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2804
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 d0-75-45-f8-c0-85
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3064
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 b2-b2-0e-d9-3b-6c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2856
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.184 6b-4f-29-ce-11-db
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2984
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 e7-5d-39-db-d8-df
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2732
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 9c-83-dd-9f-f9-5b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2784
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 0a-02-dc-c6-5b-a0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3040
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 be-2f-d2-53-d0-77
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2720
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 7b-e7-30-6e-4d-90
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2548

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/2548-22-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2548-10-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2568-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2568-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2568-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2568-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2720-26-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2720-17-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2732-11-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2732-24-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2784-30-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2784-14-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2804-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2804-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2856-20-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2856-8-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2984-28-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2984-16-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3040-13-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3040-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3064-15-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download