87c6b7c28dc2e69ef82b01ebd2c1320925a8a33dee7cb4c99a86ee04df512991

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 05:36

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General

Target

87c6b7c28dc2e69ef82b01ebd2c1320925a8a33dee7cb4c99a86ee04df512991.dll
Size

80KB
MD5

f6dd6d74acc0e73ee3bbe8e002741d2c
SHA1

5d6262537dc1a0b12320f3254519608a4117fd77
SHA256

87c6b7c28dc2e69ef82b01ebd2c1320925a8a33dee7cb4c99a86ee04df512991
SHA512

f1b4b3327dc40db0bd8cd5bfd286254c5ee42a1161c6772c97fcff93823aada4d2e2011ce28b5af1183625e2ea070fb46310b5588f7fcfb3dec432c2f6484880
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEvMZ:5dbwovEVyqgoZmZXWfIdQdRaefPFZ

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
2788	arp.exe
2632	arp.exe
2600	arp.exe
2688	arp.exe
3012	arp.exe
2796	arp.exe
2616	arp.exe
2696	arp.exe
2912	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2216-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2216-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2216-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3056	2216	WerFault.exe	28

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	2216	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 2216	800	rundll32.exe	28
PID 800 wrote to memory of 2216	800	rundll32.exe	28
PID 800 wrote to memory of 2216	800	rundll32.exe	28
PID 800 wrote to memory of 2216	800	rundll32.exe	28
PID 800 wrote to memory of 2216	800	rundll32.exe	28
PID 800 wrote to memory of 2216	800	rundll32.exe	28
PID 800 wrote to memory of 2216	800	rundll32.exe	28
PID 2216 wrote to memory of 3056	2216	rundll32.exe	29
PID 2216 wrote to memory of 3056	2216	rundll32.exe	29
PID 2216 wrote to memory of 3056	2216	rundll32.exe	29
PID 2216 wrote to memory of 3056	2216	rundll32.exe	29
PID 2216 wrote to memory of 3012	2216	rundll32.exe	30
PID 2216 wrote to memory of 3012	2216	rundll32.exe	30
PID 2216 wrote to memory of 3012	2216	rundll32.exe	30
PID 2216 wrote to memory of 3012	2216	rundll32.exe	30
PID 2216 wrote to memory of 2796	2216	rundll32.exe	32
PID 2216 wrote to memory of 2796	2216	rundll32.exe	32
PID 2216 wrote to memory of 2796	2216	rundll32.exe	32
PID 2216 wrote to memory of 2796	2216	rundll32.exe	32
PID 2216 wrote to memory of 2788	2216	rundll32.exe	33
PID 2216 wrote to memory of 2788	2216	rundll32.exe	33
PID 2216 wrote to memory of 2788	2216	rundll32.exe	33
PID 2216 wrote to memory of 2788	2216	rundll32.exe	33
PID 2216 wrote to memory of 2632	2216	rundll32.exe	35
PID 2216 wrote to memory of 2632	2216	rundll32.exe	35
PID 2216 wrote to memory of 2632	2216	rundll32.exe	35
PID 2216 wrote to memory of 2632	2216	rundll32.exe	35
PID 2216 wrote to memory of 2616	2216	rundll32.exe	36
PID 2216 wrote to memory of 2616	2216	rundll32.exe	36
PID 2216 wrote to memory of 2616	2216	rundll32.exe	36
PID 2216 wrote to memory of 2616	2216	rundll32.exe	36
PID 2216 wrote to memory of 2688	2216	rundll32.exe	37
PID 2216 wrote to memory of 2688	2216	rundll32.exe	37
PID 2216 wrote to memory of 2688	2216	rundll32.exe	37
PID 2216 wrote to memory of 2688	2216	rundll32.exe	37
PID 2216 wrote to memory of 2600	2216	rundll32.exe	38
PID 2216 wrote to memory of 2600	2216	rundll32.exe	38
PID 2216 wrote to memory of 2600	2216	rundll32.exe	38
PID 2216 wrote to memory of 2600	2216	rundll32.exe	38
PID 2216 wrote to memory of 2912	2216	rundll32.exe	39
PID 2216 wrote to memory of 2912	2216	rundll32.exe	39
PID 2216 wrote to memory of 2912	2216	rundll32.exe	39
PID 2216 wrote to memory of 2912	2216	rundll32.exe	39
PID 2216 wrote to memory of 2696	2216	rundll32.exe	40
PID 2216 wrote to memory of 2696	2216	rundll32.exe	40
PID 2216 wrote to memory of 2696	2216	rundll32.exe	40
PID 2216 wrote to memory of 2696	2216	rundll32.exe	40

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87c6b7c28dc2e69ef82b01ebd2c1320925a8a33dee7cb4c99a86ee04df512991.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\87c6b7c28dc2e69ef82b01ebd2c1320925a8a33dee7cb4c99a86ee04df512991.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 304
    3⤵
    - Program crash
    PID:3056
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3012
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 ef-28-53-4e-72-6b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2796
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 26-13-1e-f0-41-f5
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2788
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.181 20-85-96-10-38-ca
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2632
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 2c-b6-8e-a9-40-4c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2616
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 80-6a-41-9a-6c-ad
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2688
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 ba-a1-4c-d0-0a-ba
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2600
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 dc-b9-6d-34-32-d8
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2912
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 44-fd-db-5f-b0-8a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2696

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/2216-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2216-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2216-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download