3d9507a5c12fe693e0a6520619ecd48bbde308737870a2d0453f332606da582f

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 12:47

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General

Target

3d9507a5c12fe693e0a6520619ecd48bbde308737870a2d0453f332606da582fN.dll
Size

80KB
MD5

41671a745beb2775ec5579c5b0443930
SHA1

609780b45844683eb6ceb30ae043986402751d2a
SHA256

3d9507a5c12fe693e0a6520619ecd48bbde308737870a2d0453f332606da582f
SHA512

8dea2c9bdeb30913bea92556e034904b275eadf9d17245d1b5747a109aae2c3b1145cdb5695c13b0f1d872f19d208b17a14fc79562cdd63ecf1127c8eba32951
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPExeKIIAf:5dbwovEVyqgoZmZXWfIdQdRaefPFKlAf

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
1912	arp.exe
2864	arp.exe
2904	arp.exe
2060	arp.exe
2700	arp.exe
2720	arp.exe
2892	arp.exe
2868	arp.exe
748	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3064-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3064-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3064-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2508	3064	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	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
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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3064	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 3064	2672	rundll32.exe	30
PID 2672 wrote to memory of 3064	2672	rundll32.exe	30
PID 2672 wrote to memory of 3064	2672	rundll32.exe	30
PID 2672 wrote to memory of 3064	2672	rundll32.exe	30
PID 2672 wrote to memory of 3064	2672	rundll32.exe	30
PID 2672 wrote to memory of 3064	2672	rundll32.exe	30
PID 2672 wrote to memory of 3064	2672	rundll32.exe	30
PID 3064 wrote to memory of 2060	3064	rundll32.exe	31
PID 3064 wrote to memory of 2060	3064	rundll32.exe	31
PID 3064 wrote to memory of 2060	3064	rundll32.exe	31
PID 3064 wrote to memory of 2060	3064	rundll32.exe	31
PID 3064 wrote to memory of 2508	3064	rundll32.exe	32
PID 3064 wrote to memory of 2508	3064	rundll32.exe	32
PID 3064 wrote to memory of 2508	3064	rundll32.exe	32
PID 3064 wrote to memory of 2508	3064	rundll32.exe	32
PID 3064 wrote to memory of 1912	3064	rundll32.exe	35
PID 3064 wrote to memory of 1912	3064	rundll32.exe	35
PID 3064 wrote to memory of 1912	3064	rundll32.exe	35
PID 3064 wrote to memory of 1912	3064	rundll32.exe	35
PID 3064 wrote to memory of 748	3064	rundll32.exe	36
PID 3064 wrote to memory of 748	3064	rundll32.exe	36
PID 3064 wrote to memory of 748	3064	rundll32.exe	36
PID 3064 wrote to memory of 748	3064	rundll32.exe	36
PID 3064 wrote to memory of 2700	3064	rundll32.exe	37
PID 3064 wrote to memory of 2700	3064	rundll32.exe	37
PID 3064 wrote to memory of 2700	3064	rundll32.exe	37
PID 3064 wrote to memory of 2700	3064	rundll32.exe	37
PID 3064 wrote to memory of 2720	3064	rundll32.exe	38
PID 3064 wrote to memory of 2720	3064	rundll32.exe	38
PID 3064 wrote to memory of 2720	3064	rundll32.exe	38
PID 3064 wrote to memory of 2720	3064	rundll32.exe	38
PID 3064 wrote to memory of 2864	3064	rundll32.exe	39
PID 3064 wrote to memory of 2864	3064	rundll32.exe	39
PID 3064 wrote to memory of 2864	3064	rundll32.exe	39
PID 3064 wrote to memory of 2864	3064	rundll32.exe	39
PID 3064 wrote to memory of 2892	3064	rundll32.exe	40
PID 3064 wrote to memory of 2892	3064	rundll32.exe	40
PID 3064 wrote to memory of 2892	3064	rundll32.exe	40
PID 3064 wrote to memory of 2892	3064	rundll32.exe	40
PID 3064 wrote to memory of 2868	3064	rundll32.exe	41
PID 3064 wrote to memory of 2868	3064	rundll32.exe	41
PID 3064 wrote to memory of 2868	3064	rundll32.exe	41
PID 3064 wrote to memory of 2868	3064	rundll32.exe	41
PID 3064 wrote to memory of 2904	3064	rundll32.exe	42
PID 3064 wrote to memory of 2904	3064	rundll32.exe	42
PID 3064 wrote to memory of 2904	3064	rundll32.exe	42
PID 3064 wrote to memory of 2904	3064	rundll32.exe	42

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d9507a5c12fe693e0a6520619ecd48bbde308737870a2d0453f332606da582fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d9507a5c12fe693e0a6520619ecd48bbde308737870a2d0453f332606da582fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 328
    3⤵
    - Program crash
    PID:2508
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 b5-97-ad-72-19-1d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1912
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 61-78-0f-bf-c9-b8
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:748
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.69.123 ac-9b-4f-1b-73-aa
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2700
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 df-e2-7b-81-df-8c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2720
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 ff-34-f5-3f-41-c0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2864
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 f3-f5-80-73-36-f7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2892
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 02-ad-d6-5b-d5-53
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2868
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 88-a0-f7-60-2e-69
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2904

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

Filesize
204KB

Download
memory/3064-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3064-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3064-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download