ff77b09a521f7dcce6d1ac4ce7618fd4c17d3d4a4580407a39fe04321315d6c2

Analysis

max time kernel
26s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 10:38

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General

Target

ff77b09a521f7dcce6d1ac4ce7618fd4c17d3d4a4580407a39fe04321315d6c2N.dll
Size

80KB
MD5

ad04d20d5b4ebb9de75cf3b594257e50
SHA1

6dab5f3c43f763988dae111af3bf32f3a1a404a8
SHA256

ff77b09a521f7dcce6d1ac4ce7618fd4c17d3d4a4580407a39fe04321315d6c2
SHA512

84a2dfb53163cb32d936f701b5b936fe7f68e420ad8436f6b5ab6b3877ede6c99777c74ce8fda5e9b853d35a31c821c991427e3a7d3be886df93e40a0eb022ec
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEqQWMInY:5dbwovEVyqgoZmZXWfIdQdRaefPJnY

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
2616	arp.exe
2756	arp.exe
2764	arp.exe
2836	arp.exe
2632	arp.exe
2796	arp.exe
2132	arp.exe
1272	arp.exe
2592	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2888-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2888-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2720	2888	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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2888	2828	rundll32.exe	30
PID 2828 wrote to memory of 2888	2828	rundll32.exe	30
PID 2828 wrote to memory of 2888	2828	rundll32.exe	30
PID 2828 wrote to memory of 2888	2828	rundll32.exe	30
PID 2828 wrote to memory of 2888	2828	rundll32.exe	30
PID 2828 wrote to memory of 2888	2828	rundll32.exe	30
PID 2828 wrote to memory of 2888	2828	rundll32.exe	30
PID 2888 wrote to memory of 2132	2888	rundll32.exe	32
PID 2888 wrote to memory of 2132	2888	rundll32.exe	32
PID 2888 wrote to memory of 2132	2888	rundll32.exe	32
PID 2888 wrote to memory of 2132	2888	rundll32.exe	32
PID 2888 wrote to memory of 2720	2888	rundll32.exe	31
PID 2888 wrote to memory of 2720	2888	rundll32.exe	31
PID 2888 wrote to memory of 2720	2888	rundll32.exe	31
PID 2888 wrote to memory of 2720	2888	rundll32.exe	31
PID 2888 wrote to memory of 2616	2888	rundll32.exe	34
PID 2888 wrote to memory of 2616	2888	rundll32.exe	34
PID 2888 wrote to memory of 2616	2888	rundll32.exe	34
PID 2888 wrote to memory of 2616	2888	rundll32.exe	34
PID 2888 wrote to memory of 1272	2888	rundll32.exe	35
PID 2888 wrote to memory of 1272	2888	rundll32.exe	35
PID 2888 wrote to memory of 1272	2888	rundll32.exe	35
PID 2888 wrote to memory of 1272	2888	rundll32.exe	35
PID 2888 wrote to memory of 2796	2888	rundll32.exe	36
PID 2888 wrote to memory of 2796	2888	rundll32.exe	36
PID 2888 wrote to memory of 2796	2888	rundll32.exe	36
PID 2888 wrote to memory of 2796	2888	rundll32.exe	36
PID 2888 wrote to memory of 2756	2888	rundll32.exe	37
PID 2888 wrote to memory of 2756	2888	rundll32.exe	37
PID 2888 wrote to memory of 2756	2888	rundll32.exe	37
PID 2888 wrote to memory of 2756	2888	rundll32.exe	37
PID 2888 wrote to memory of 2632	2888	rundll32.exe	38
PID 2888 wrote to memory of 2632	2888	rundll32.exe	38
PID 2888 wrote to memory of 2632	2888	rundll32.exe	38
PID 2888 wrote to memory of 2632	2888	rundll32.exe	38
PID 2888 wrote to memory of 2836	2888	rundll32.exe	39
PID 2888 wrote to memory of 2836	2888	rundll32.exe	39
PID 2888 wrote to memory of 2836	2888	rundll32.exe	39
PID 2888 wrote to memory of 2836	2888	rundll32.exe	39
PID 2888 wrote to memory of 2764	2888	rundll32.exe	40
PID 2888 wrote to memory of 2764	2888	rundll32.exe	40
PID 2888 wrote to memory of 2764	2888	rundll32.exe	40
PID 2888 wrote to memory of 2764	2888	rundll32.exe	40
PID 2888 wrote to memory of 2592	2888	rundll32.exe	41
PID 2888 wrote to memory of 2592	2888	rundll32.exe	41
PID 2888 wrote to memory of 2592	2888	rundll32.exe	41
PID 2888 wrote to memory of 2592	2888	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff77b09a521f7dcce6d1ac4ce7618fd4c17d3d4a4580407a39fe04321315d6c2N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff77b09a521f7dcce6d1ac4ce7618fd4c17d3d4a4580407a39fe04321315d6c2N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 308
    3⤵
    - Program crash
    PID:2720
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2132
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 ec-99-39-da-66-78
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2616
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 09-a1-66-54-0c-ce
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1272
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.181 0f-63-fd-56-84-33
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2796
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 6c-40-ce-68-97-a1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2756
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 04-a4-3d-8e-a6-0f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2632
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 0e-e5-80-66-7d-56
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2836
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 88-99-4c-63-ba-38
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2764
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 65-b8-54-d6-4c-63
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2592

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/2888-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2888-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download