5afb9e2b6ed3cc72eb226f965c6ac940ee5f7acc4f61c1d28a0c13713eec4020

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 14:28

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General

Target

5afb9e2b6ed3cc72eb226f965c6ac940ee5f7acc4f61c1d28a0c13713eec4020N.dll
Size

80KB
MD5

e34a781892212d8a2e31bff16da1fd00
SHA1

23126a7dd885ad50a4ed2db567782daf8b490de8
SHA256

5afb9e2b6ed3cc72eb226f965c6ac940ee5f7acc4f61c1d28a0c13713eec4020
SHA512

c9570b891322951feaff596256f867b1b6204f0e7f8cbc2c3f35dd4e4c65ba7e5f53220d685375f6583165cf45119c7bc08afd7eb880b879f3731526d95172fd
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEOf:5dbwovEVyqgoZmZXWfIdQdRaefPT

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
1844	arp.exe
2760	arp.exe
2720	arp.exe
2844	arp.exe
2504	arp.exe
2440	arp.exe
568	arp.exe
1912	arp.exe
2448	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1720-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1720-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1720-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2160	1720	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	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	1720	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 1720	2076	rundll32.exe	30
PID 2076 wrote to memory of 1720	2076	rundll32.exe	30
PID 2076 wrote to memory of 1720	2076	rundll32.exe	30
PID 2076 wrote to memory of 1720	2076	rundll32.exe	30
PID 2076 wrote to memory of 1720	2076	rundll32.exe	30
PID 2076 wrote to memory of 1720	2076	rundll32.exe	30
PID 2076 wrote to memory of 1720	2076	rundll32.exe	30
PID 1720 wrote to memory of 2160	1720	rundll32.exe	31
PID 1720 wrote to memory of 2160	1720	rundll32.exe	31
PID 1720 wrote to memory of 2160	1720	rundll32.exe	31
PID 1720 wrote to memory of 2160	1720	rundll32.exe	31
PID 1720 wrote to memory of 2504	1720	rundll32.exe	32
PID 1720 wrote to memory of 2504	1720	rundll32.exe	32
PID 1720 wrote to memory of 2504	1720	rundll32.exe	32
PID 1720 wrote to memory of 2504	1720	rundll32.exe	32
PID 1720 wrote to memory of 2440	1720	rundll32.exe	35
PID 1720 wrote to memory of 2440	1720	rundll32.exe	35
PID 1720 wrote to memory of 2440	1720	rundll32.exe	35
PID 1720 wrote to memory of 2440	1720	rundll32.exe	35
PID 1720 wrote to memory of 568	1720	rundll32.exe	36
PID 1720 wrote to memory of 568	1720	rundll32.exe	36
PID 1720 wrote to memory of 568	1720	rundll32.exe	36
PID 1720 wrote to memory of 568	1720	rundll32.exe	36
PID 1720 wrote to memory of 1912	1720	rundll32.exe	38
PID 1720 wrote to memory of 1912	1720	rundll32.exe	38
PID 1720 wrote to memory of 1912	1720	rundll32.exe	38
PID 1720 wrote to memory of 1912	1720	rundll32.exe	38
PID 1720 wrote to memory of 1844	1720	rundll32.exe	39
PID 1720 wrote to memory of 1844	1720	rundll32.exe	39
PID 1720 wrote to memory of 1844	1720	rundll32.exe	39
PID 1720 wrote to memory of 1844	1720	rundll32.exe	39
PID 1720 wrote to memory of 2448	1720	rundll32.exe	40
PID 1720 wrote to memory of 2448	1720	rundll32.exe	40
PID 1720 wrote to memory of 2448	1720	rundll32.exe	40
PID 1720 wrote to memory of 2448	1720	rundll32.exe	40
PID 1720 wrote to memory of 2760	1720	rundll32.exe	41
PID 1720 wrote to memory of 2760	1720	rundll32.exe	41
PID 1720 wrote to memory of 2760	1720	rundll32.exe	41
PID 1720 wrote to memory of 2760	1720	rundll32.exe	41
PID 1720 wrote to memory of 2720	1720	rundll32.exe	42
PID 1720 wrote to memory of 2720	1720	rundll32.exe	42
PID 1720 wrote to memory of 2720	1720	rundll32.exe	42
PID 1720 wrote to memory of 2720	1720	rundll32.exe	42
PID 1720 wrote to memory of 2844	1720	rundll32.exe	43
PID 1720 wrote to memory of 2844	1720	rundll32.exe	43
PID 1720 wrote to memory of 2844	1720	rundll32.exe	43
PID 1720 wrote to memory of 2844	1720	rundll32.exe	43

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5afb9e2b6ed3cc72eb226f965c6ac940ee5f7acc4f61c1d28a0c13713eec4020N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5afb9e2b6ed3cc72eb226f965c6ac940ee5f7acc4f61c1d28a0c13713eec4020N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 336
    3⤵
    - Program crash
    PID:2160
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2504
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 55-bf-db-14-bb-8e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2440
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 eb-1f-32-da-2a-00
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:568
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.185 f3-cf-47-52-b8-83
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1912
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 37-e9-7f-fb-5a-80
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1844
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 d1-9c-2c-b7-a9-5e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2448
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 1b-06-13-1d-48-d6
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2760
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 83-c5-bd-2f-26-bd
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2720
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 4b-8a-ca-1b-12-f4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2844

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/1720-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1720-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1720-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download