42c4411a711d0ac9d8398264c7385645537bd24b87bcb4d21f41232e5616ca14

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 22:56

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General

Target

42c4411a711d0ac9d8398264c7385645537bd24b87bcb4d21f41232e5616ca14N.dll
Size

80KB
MD5

d2dc671803c0016d64374ea527075270
SHA1

1a2b8676c0eb91335bd7a5d85d54d1f99c463b03
SHA256

42c4411a711d0ac9d8398264c7385645537bd24b87bcb4d21f41232e5616ca14
SHA512

cf5b5148dc9dc22291c5f621b94e83db0c75b6672c2f475f516dccfe376d66d011ef3cf0dbe42f22b7a7fbefe2fdb5bdd911f42daea4f389894bced68c647ced
SSDEEP

1536:uIcs6msUvrh8ErMInQ+4cw9NVWfjaRkE4LEl8B60Y2lfxxHZPEvB+2i:dcs6v68Erj3w9zWf+SEFuk0/pfPt2i

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
2228	arp.exe
2088	arp.exe
2420	arp.exe
2824	arp.exe
2892	arp.exe
2928	arp.exe
2464	arp.exe
2776	arp.exe
2788	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1460-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1460-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2780	1460	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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1460	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 1460	2596	rundll32.exe	30
PID 2596 wrote to memory of 1460	2596	rundll32.exe	30
PID 2596 wrote to memory of 1460	2596	rundll32.exe	30
PID 2596 wrote to memory of 1460	2596	rundll32.exe	30
PID 2596 wrote to memory of 1460	2596	rundll32.exe	30
PID 2596 wrote to memory of 1460	2596	rundll32.exe	30
PID 2596 wrote to memory of 1460	2596	rundll32.exe	30
PID 1460 wrote to memory of 2776	1460	rundll32.exe	32
PID 1460 wrote to memory of 2776	1460	rundll32.exe	32
PID 1460 wrote to memory of 2776	1460	rundll32.exe	32
PID 1460 wrote to memory of 2776	1460	rundll32.exe	32
PID 1460 wrote to memory of 2780	1460	rundll32.exe	31
PID 1460 wrote to memory of 2780	1460	rundll32.exe	31
PID 1460 wrote to memory of 2780	1460	rundll32.exe	31
PID 1460 wrote to memory of 2780	1460	rundll32.exe	31
PID 1460 wrote to memory of 2928	1460	rundll32.exe	34
PID 1460 wrote to memory of 2928	1460	rundll32.exe	34
PID 1460 wrote to memory of 2928	1460	rundll32.exe	34
PID 1460 wrote to memory of 2928	1460	rundll32.exe	34
PID 1460 wrote to memory of 2892	1460	rundll32.exe	35
PID 1460 wrote to memory of 2892	1460	rundll32.exe	35
PID 1460 wrote to memory of 2892	1460	rundll32.exe	35
PID 1460 wrote to memory of 2892	1460	rundll32.exe	35
PID 1460 wrote to memory of 2788	1460	rundll32.exe	36
PID 1460 wrote to memory of 2788	1460	rundll32.exe	36
PID 1460 wrote to memory of 2788	1460	rundll32.exe	36
PID 1460 wrote to memory of 2788	1460	rundll32.exe	36
PID 1460 wrote to memory of 2228	1460	rundll32.exe	37
PID 1460 wrote to memory of 2228	1460	rundll32.exe	37
PID 1460 wrote to memory of 2228	1460	rundll32.exe	37
PID 1460 wrote to memory of 2228	1460	rundll32.exe	37
PID 1460 wrote to memory of 2088	1460	rundll32.exe	38
PID 1460 wrote to memory of 2088	1460	rundll32.exe	38
PID 1460 wrote to memory of 2088	1460	rundll32.exe	38
PID 1460 wrote to memory of 2088	1460	rundll32.exe	38
PID 1460 wrote to memory of 2464	1460	rundll32.exe	39
PID 1460 wrote to memory of 2464	1460	rundll32.exe	39
PID 1460 wrote to memory of 2464	1460	rundll32.exe	39
PID 1460 wrote to memory of 2464	1460	rundll32.exe	39
PID 1460 wrote to memory of 2420	1460	rundll32.exe	40
PID 1460 wrote to memory of 2420	1460	rundll32.exe	40
PID 1460 wrote to memory of 2420	1460	rundll32.exe	40
PID 1460 wrote to memory of 2420	1460	rundll32.exe	40
PID 1460 wrote to memory of 2824	1460	rundll32.exe	41
PID 1460 wrote to memory of 2824	1460	rundll32.exe	41
PID 1460 wrote to memory of 2824	1460	rundll32.exe	41
PID 1460 wrote to memory of 2824	1460	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c4411a711d0ac9d8398264c7385645537bd24b87bcb4d21f41232e5616ca14N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c4411a711d0ac9d8398264c7385645537bd24b87bcb4d21f41232e5616ca14N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1460 -s 328
    3⤵
    - Program crash
    PID:2780
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2776
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 ac-b2-69-d3-2c-12
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2928
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 a0-74-74-fa-7f-6f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2892
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.182 e5-ec-df-22-c7-45
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2788
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 d0-31-e9-02-10-cd
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2228
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 81-43-c6-06-f2-41
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2088
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 80-09-22-f6-28-d4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2464
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 91-2c-b0-49-4f-4a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2420
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 a7-4f-e8-b8-33-05
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2824

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/1460-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1460-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download