ef695c91c264c91733d7836ce9552430960631e8d745e7f95c96492962e40f74

General

Target

ef695c91c264c91733d7836ce9552430960631e8d745e7f95c96492962e40f74.dll
Size

80KB
MD5

605d917837db2d341cb4c021f821f97b
SHA1

7d6c1a9ef64152bee7dc77e9dd327fe884e818c7
SHA256

ef695c91c264c91733d7836ce9552430960631e8d745e7f95c96492962e40f74
SHA512

235800a8ae0f8a1ef7cd897175cd6d572aecac18a5dd84187ee7d8a6cec58eebad1509322bd078e0083373b3a368ba08aaae143d3d9ba6900bc038914b1dc32c
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEVo66:5dbwovEVyqgoZmZXWfIdQdRaefPrl

Score

6^/10

discovery upx

Malware Config

Signatures

Network Service Discovery 1 TTPs 5 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2460	arp.exe
2868	arp.exe
2624	arp.exe
2732	arp.exe
2672	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/352-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/352-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2472	352	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 5 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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	352	rundll32.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 352	2336	rundll32.exe	30
PID 2336 wrote to memory of 352	2336	rundll32.exe	30
PID 2336 wrote to memory of 352	2336	rundll32.exe	30
PID 2336 wrote to memory of 352	2336	rundll32.exe	30
PID 2336 wrote to memory of 352	2336	rundll32.exe	30
PID 2336 wrote to memory of 352	2336	rundll32.exe	30
PID 2336 wrote to memory of 352	2336	rundll32.exe	30
PID 352 wrote to memory of 2460	352	rundll32.exe	32
PID 352 wrote to memory of 2460	352	rundll32.exe	32
PID 352 wrote to memory of 2460	352	rundll32.exe	32
PID 352 wrote to memory of 2460	352	rundll32.exe	32
PID 352 wrote to memory of 2472	352	rundll32.exe	31
PID 352 wrote to memory of 2472	352	rundll32.exe	31
PID 352 wrote to memory of 2472	352	rundll32.exe	31
PID 352 wrote to memory of 2472	352	rundll32.exe	31
PID 352 wrote to memory of 2868	352	rundll32.exe	35
PID 352 wrote to memory of 2868	352	rundll32.exe	35
PID 352 wrote to memory of 2868	352	rundll32.exe	35
PID 352 wrote to memory of 2868	352	rundll32.exe	35
PID 352 wrote to memory of 2624	352	rundll32.exe	36
PID 352 wrote to memory of 2624	352	rundll32.exe	36
PID 352 wrote to memory of 2624	352	rundll32.exe	36
PID 352 wrote to memory of 2624	352	rundll32.exe	36
PID 352 wrote to memory of 2672	352	rundll32.exe	37
PID 352 wrote to memory of 2672	352	rundll32.exe	37
PID 352 wrote to memory of 2672	352	rundll32.exe	37
PID 352 wrote to memory of 2672	352	rundll32.exe	37

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef695c91c264c91733d7836ce9552430960631e8d745e7f95c96492962e40f74.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef695c91c264c91733d7836ce9552430960631e8d745e7f95c96492962e40f74.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 352 -s 336
    3⤵
    - Program crash
    PID:2472
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2460
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 d3-0b-f8-72-f2-11
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2868
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 8a-5c-e2-ba-16-a6
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2624
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.183 f1-db-b8-62-36-de
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2672
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 67-64-68-af-7a-5e
    3⤵
    - Network Service Discovery
    PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

T1046

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/352-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/352-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/352-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download

Analysis

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