85407e239a96a610abc93ab69575a2ab47d77a753704d28f0130d6c311772d19

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 04:56

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General

Target

85407e239a96a610abc93ab69575a2ab47d77a753704d28f0130d6c311772d19.dll
Size

80KB
MD5

3a57ebafac8d2c224a21fa93d5503734
SHA1

21d4c03cd168da6855842cf94e163f3c72bdf30e
SHA256

85407e239a96a610abc93ab69575a2ab47d77a753704d28f0130d6c311772d19
SHA512

1894e09d9d302f98afc62dc503aedcb19052902c5291b73444d133f4754adb9561804caf61beac5069ed37ed8f949a432057b2c2ea727aa52ff9accf6cbd3795
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEs03u9XP:5dbwovEVyqgoZmZXWfIdQdRaefPu3yXP

Score

6^/10

discovery upx

Malware Config

Signatures

Network Service Discovery 1 TTPs 7 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2184	arp.exe
1692	arp.exe
2236	arp.exe
2248	arp.exe
2460	arp.exe
2700	arp.exe
2800	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1704-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1704-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1948	1704	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 7 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	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1704	rundll32.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 1704	1952	rundll32.exe	30
PID 1952 wrote to memory of 1704	1952	rundll32.exe	30
PID 1952 wrote to memory of 1704	1952	rundll32.exe	30
PID 1952 wrote to memory of 1704	1952	rundll32.exe	30
PID 1952 wrote to memory of 1704	1952	rundll32.exe	30
PID 1952 wrote to memory of 1704	1952	rundll32.exe	30
PID 1952 wrote to memory of 1704	1952	rundll32.exe	30
PID 1704 wrote to memory of 1948	1704	rundll32.exe	31
PID 1704 wrote to memory of 1948	1704	rundll32.exe	31
PID 1704 wrote to memory of 1948	1704	rundll32.exe	31
PID 1704 wrote to memory of 1948	1704	rundll32.exe	31
PID 1704 wrote to memory of 1692	1704	rundll32.exe	32
PID 1704 wrote to memory of 1692	1704	rundll32.exe	32
PID 1704 wrote to memory of 1692	1704	rundll32.exe	32
PID 1704 wrote to memory of 1692	1704	rundll32.exe	32
PID 1704 wrote to memory of 2236	1704	rundll32.exe	34
PID 1704 wrote to memory of 2236	1704	rundll32.exe	34
PID 1704 wrote to memory of 2236	1704	rundll32.exe	34
PID 1704 wrote to memory of 2236	1704	rundll32.exe	34
PID 1704 wrote to memory of 2248	1704	rundll32.exe	35
PID 1704 wrote to memory of 2248	1704	rundll32.exe	35
PID 1704 wrote to memory of 2248	1704	rundll32.exe	35
PID 1704 wrote to memory of 2248	1704	rundll32.exe	35
PID 1704 wrote to memory of 2460	1704	rundll32.exe	36
PID 1704 wrote to memory of 2460	1704	rundll32.exe	36
PID 1704 wrote to memory of 2460	1704	rundll32.exe	36
PID 1704 wrote to memory of 2460	1704	rundll32.exe	36
PID 1704 wrote to memory of 2184	1704	rundll32.exe	37
PID 1704 wrote to memory of 2184	1704	rundll32.exe	37
PID 1704 wrote to memory of 2184	1704	rundll32.exe	37
PID 1704 wrote to memory of 2184	1704	rundll32.exe	37
PID 1704 wrote to memory of 2700	1704	rundll32.exe	39
PID 1704 wrote to memory of 2700	1704	rundll32.exe	39
PID 1704 wrote to memory of 2700	1704	rundll32.exe	39
PID 1704 wrote to memory of 2700	1704	rundll32.exe	39

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\85407e239a96a610abc93ab69575a2ab47d77a753704d28f0130d6c311772d19.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\85407e239a96a610abc93ab69575a2ab47d77a753704d28f0130d6c311772d19.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 304
    3⤵
    - Program crash
    PID:1948
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1692
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 77-aa-0b-78-51-5a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2236
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 b8-72-c2-3a-aa-05
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2248
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.185 d9-7f-4f-10-dd-56
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2460
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 12-4c-20-6a-23-fe
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2184
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 73-55-fd-60-aa-4c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2700
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 fb-33-2c-7a-d7-99
    3⤵
    - Network Service Discovery
    PID:2800

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/1704-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1704-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download