3231dec858ba584cfb09317d5fc7966ce322949f6f45d7df242253d7f2983f74

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 09:27

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General

Target

3231dec858ba584cfb09317d5fc7966ce322949f6f45d7df242253d7f2983f74.dll
Size

80KB
MD5

3d1382f2f19167caecd7b7ab693a4436
SHA1

695cbc23e54f66c55bd461cb8dd39c036f5e0f47
SHA256

3231dec858ba584cfb09317d5fc7966ce322949f6f45d7df242253d7f2983f74
SHA512

f868da844f3c54b2895a0fb3edbf25da7286477c65a6fc10486f391b269f8b64c858dba3bda69b844259264f1b6d7eea15f33c82477f11b055a2923d7c07fdbb
SSDEEP

1536:uIcs6msUvrh8ErMInQ+4cw9NVWfjaRkE4LEl8B60Y2lfxxHZPEvB+2C:dcs6v68Erj3w9zWf+SEFuk0/pfPt2C

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
2792	arp.exe
2760	arp.exe
2496	arp.exe
2224	arp.exe
2744	arp.exe
3068	arp.exe
2796	arp.exe
2936	arp.exe
2644	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/308-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/308-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/308-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2188	308	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	308	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 308	1420	rundll32.exe	30
PID 1420 wrote to memory of 308	1420	rundll32.exe	30
PID 1420 wrote to memory of 308	1420	rundll32.exe	30
PID 1420 wrote to memory of 308	1420	rundll32.exe	30
PID 1420 wrote to memory of 308	1420	rundll32.exe	30
PID 1420 wrote to memory of 308	1420	rundll32.exe	30
PID 1420 wrote to memory of 308	1420	rundll32.exe	30
PID 308 wrote to memory of 2188	308	rundll32.exe	31
PID 308 wrote to memory of 2188	308	rundll32.exe	31
PID 308 wrote to memory of 2188	308	rundll32.exe	31
PID 308 wrote to memory of 2188	308	rundll32.exe	31
PID 308 wrote to memory of 2744	308	rundll32.exe	32
PID 308 wrote to memory of 2744	308	rundll32.exe	32
PID 308 wrote to memory of 2744	308	rundll32.exe	32
PID 308 wrote to memory of 2744	308	rundll32.exe	32
PID 308 wrote to memory of 2792	308	rundll32.exe	34
PID 308 wrote to memory of 2792	308	rundll32.exe	34
PID 308 wrote to memory of 2792	308	rundll32.exe	34
PID 308 wrote to memory of 2792	308	rundll32.exe	34
PID 308 wrote to memory of 2760	308	rundll32.exe	35
PID 308 wrote to memory of 2760	308	rundll32.exe	35
PID 308 wrote to memory of 2760	308	rundll32.exe	35
PID 308 wrote to memory of 2760	308	rundll32.exe	35
PID 308 wrote to memory of 2644	308	rundll32.exe	36
PID 308 wrote to memory of 2644	308	rundll32.exe	36
PID 308 wrote to memory of 2644	308	rundll32.exe	36
PID 308 wrote to memory of 2644	308	rundll32.exe	36
PID 308 wrote to memory of 2496	308	rundll32.exe	37
PID 308 wrote to memory of 2496	308	rundll32.exe	37
PID 308 wrote to memory of 2496	308	rundll32.exe	37
PID 308 wrote to memory of 2496	308	rundll32.exe	37
PID 308 wrote to memory of 3068	308	rundll32.exe	38
PID 308 wrote to memory of 3068	308	rundll32.exe	38
PID 308 wrote to memory of 3068	308	rundll32.exe	38
PID 308 wrote to memory of 3068	308	rundll32.exe	38
PID 308 wrote to memory of 2796	308	rundll32.exe	39
PID 308 wrote to memory of 2796	308	rundll32.exe	39
PID 308 wrote to memory of 2796	308	rundll32.exe	39
PID 308 wrote to memory of 2796	308	rundll32.exe	39
PID 308 wrote to memory of 2224	308	rundll32.exe	40
PID 308 wrote to memory of 2224	308	rundll32.exe	40
PID 308 wrote to memory of 2224	308	rundll32.exe	40
PID 308 wrote to memory of 2224	308	rundll32.exe	40
PID 308 wrote to memory of 2936	308	rundll32.exe	41
PID 308 wrote to memory of 2936	308	rundll32.exe	41
PID 308 wrote to memory of 2936	308	rundll32.exe	41
PID 308 wrote to memory of 2936	308	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3231dec858ba584cfb09317d5fc7966ce322949f6f45d7df242253d7f2983f74.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3231dec858ba584cfb09317d5fc7966ce322949f6f45d7df242253d7f2983f74.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:308
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 308 -s 304
    3⤵
    - Program crash
    PID:2188
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2744
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 79-3f-24-53-00-91
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2792
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 3a-0e-c8-5a-66-9e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2760
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.182 92-b4-e9-67-9d-ad
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2644
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 e8-8e-03-01-05-a8
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2496
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 40-34-5d-5a-20-de
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3068
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 7c-90-79-ab-9c-d4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2796
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 66-03-e4-70-6d-13
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2224
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 c0-8b-a6-bf-82-6a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2936

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

Replay Monitor

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Downloads

memory/308-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/308-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/308-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/308-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/308-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download