083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 19:29

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General

Target

083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d.dll
Size

80KB
MD5

a83e9883bae2fe9090435584a488db46
SHA1

6b5b652751bcab9fd309bf677cffe090f4924282
SHA256

083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d
SHA512

024c5dc49ab1d4be88909ebb2ea21aa74d3c48331d34d81bd14bb357247435174d5b52d9147977a4e6b398ea7f775bf9861ffafac1d34805bb9563a2d1b99aae
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEHzhc:5dbwovEVyqgoZmZXWfIdQdRaefPR

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
2808	arp.exe
2888	arp.exe
2872	arp.exe
2228	arp.exe
2076	arp.exe
2152	arp.exe
2488	arp.exe
2220	arp.exe
584	arp.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2308-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2308-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2308-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1760	2308	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	2308	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2308	2188	rundll32.exe	30
PID 2188 wrote to memory of 2308	2188	rundll32.exe	30
PID 2188 wrote to memory of 2308	2188	rundll32.exe	30
PID 2188 wrote to memory of 2308	2188	rundll32.exe	30
PID 2188 wrote to memory of 2308	2188	rundll32.exe	30
PID 2188 wrote to memory of 2308	2188	rundll32.exe	30
PID 2188 wrote to memory of 2308	2188	rundll32.exe	30
PID 2308 wrote to memory of 2076	2308	rundll32.exe	32
PID 2308 wrote to memory of 2076	2308	rundll32.exe	32
PID 2308 wrote to memory of 2076	2308	rundll32.exe	32
PID 2308 wrote to memory of 2076	2308	rundll32.exe	32
PID 2308 wrote to memory of 1760	2308	rundll32.exe	31
PID 2308 wrote to memory of 1760	2308	rundll32.exe	31
PID 2308 wrote to memory of 1760	2308	rundll32.exe	31
PID 2308 wrote to memory of 1760	2308	rundll32.exe	31
PID 2308 wrote to memory of 2152	2308	rundll32.exe	35
PID 2308 wrote to memory of 2152	2308	rundll32.exe	35
PID 2308 wrote to memory of 2152	2308	rundll32.exe	35
PID 2308 wrote to memory of 2152	2308	rundll32.exe	35
PID 2308 wrote to memory of 2228	2308	rundll32.exe	36
PID 2308 wrote to memory of 2228	2308	rundll32.exe	36
PID 2308 wrote to memory of 2228	2308	rundll32.exe	36
PID 2308 wrote to memory of 2228	2308	rundll32.exe	36
PID 2308 wrote to memory of 584	2308	rundll32.exe	37
PID 2308 wrote to memory of 584	2308	rundll32.exe	37
PID 2308 wrote to memory of 584	2308	rundll32.exe	37
PID 2308 wrote to memory of 584	2308	rundll32.exe	37
PID 2308 wrote to memory of 2220	2308	rundll32.exe	38
PID 2308 wrote to memory of 2220	2308	rundll32.exe	38
PID 2308 wrote to memory of 2220	2308	rundll32.exe	38
PID 2308 wrote to memory of 2220	2308	rundll32.exe	38
PID 2308 wrote to memory of 2488	2308	rundll32.exe	39
PID 2308 wrote to memory of 2488	2308	rundll32.exe	39
PID 2308 wrote to memory of 2488	2308	rundll32.exe	39
PID 2308 wrote to memory of 2488	2308	rundll32.exe	39
PID 2308 wrote to memory of 2808	2308	rundll32.exe	40
PID 2308 wrote to memory of 2808	2308	rundll32.exe	40
PID 2308 wrote to memory of 2808	2308	rundll32.exe	40
PID 2308 wrote to memory of 2808	2308	rundll32.exe	40
PID 2308 wrote to memory of 2872	2308	rundll32.exe	41
PID 2308 wrote to memory of 2872	2308	rundll32.exe	41
PID 2308 wrote to memory of 2872	2308	rundll32.exe	41
PID 2308 wrote to memory of 2872	2308	rundll32.exe	41
PID 2308 wrote to memory of 2888	2308	rundll32.exe	42
PID 2308 wrote to memory of 2888	2308	rundll32.exe	42
PID 2308 wrote to memory of 2888	2308	rundll32.exe	42
PID 2308 wrote to memory of 2888	2308	rundll32.exe	42

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 236
    3⤵
    - Program crash
    PID:1760
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2076
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 f4-9b-85-bc-dc-42
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2152
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 b1-c2-8c-30-a7-47
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2228
- - C:\Windows\SysWOW64\arp.exe
    arp -s 154.61.71.51 a2-a7-7f-29-54-df
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:584
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 a6-13-17-18-bc-89
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2220
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 fa-88-11-6f-80-08
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2488
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 8e-53-5a-17-af-53
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2808
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 b9-7a-e2-fb-cb-15
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2872
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 bc-62-ee-c7-05-1b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2888

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/2308-3-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2308-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2308-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2308-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2308-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2308-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download