e7bcb00840c4559fbb1844073a5ba71a72e6494cea5453f86b02a1a1515dd2e1

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 04:17

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General

Target

e7bcb00840c4559fbb1844073a5ba71a72e6494cea5453f86b02a1a1515dd2e1.dll
Size

80KB
MD5

f13535b31587cfacee97ae49a40a9382
SHA1

8fd8d8807031bca1bee177361adfcfcd4dee7e38
SHA256

e7bcb00840c4559fbb1844073a5ba71a72e6494cea5453f86b02a1a1515dd2e1
SHA512

4b269fd2bc4fad29317a7ced82e78b97d854ae48c61833b6c678914b357bdba67a767367260ee40e35b62932abbab2c568a38786fbd1dc70275c1cbc77522ba2
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEZZocyq:5dbwovEVyqgoZmZXWfIdQdRaefPlo

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
2688	arp.exe
2244	arp.exe
2596	arp.exe
2592	arp.exe
1804	arp.exe
2720	arp.exe
3000	arp.exe
1440	arp.exe
2876	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2216-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2216-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2216-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2848	2216	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	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

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 2092 wrote to memory of 2216	2092	rundll32.exe	30
PID 2092 wrote to memory of 2216	2092	rundll32.exe	30
PID 2092 wrote to memory of 2216	2092	rundll32.exe	30
PID 2092 wrote to memory of 2216	2092	rundll32.exe	30
PID 2092 wrote to memory of 2216	2092	rundll32.exe	30
PID 2092 wrote to memory of 2216	2092	rundll32.exe	30
PID 2092 wrote to memory of 2216	2092	rundll32.exe	30
PID 2216 wrote to memory of 2720	2216	rundll32.exe	31
PID 2216 wrote to memory of 2720	2216	rundll32.exe	31
PID 2216 wrote to memory of 2720	2216	rundll32.exe	31
PID 2216 wrote to memory of 2720	2216	rundll32.exe	31
PID 2216 wrote to memory of 2848	2216	rundll32.exe	32
PID 2216 wrote to memory of 2848	2216	rundll32.exe	32
PID 2216 wrote to memory of 2848	2216	rundll32.exe	32
PID 2216 wrote to memory of 2848	2216	rundll32.exe	32
PID 2216 wrote to memory of 2244	2216	rundll32.exe	34
PID 2216 wrote to memory of 2244	2216	rundll32.exe	34
PID 2216 wrote to memory of 2244	2216	rundll32.exe	34
PID 2216 wrote to memory of 2244	2216	rundll32.exe	34
PID 2216 wrote to memory of 2688	2216	rundll32.exe	35
PID 2216 wrote to memory of 2688	2216	rundll32.exe	35
PID 2216 wrote to memory of 2688	2216	rundll32.exe	35
PID 2216 wrote to memory of 2688	2216	rundll32.exe	35
PID 2216 wrote to memory of 3000	2216	rundll32.exe	36
PID 2216 wrote to memory of 3000	2216	rundll32.exe	36
PID 2216 wrote to memory of 3000	2216	rundll32.exe	36
PID 2216 wrote to memory of 3000	2216	rundll32.exe	36
PID 2216 wrote to memory of 1440	2216	rundll32.exe	37
PID 2216 wrote to memory of 1440	2216	rundll32.exe	37
PID 2216 wrote to memory of 1440	2216	rundll32.exe	37
PID 2216 wrote to memory of 1440	2216	rundll32.exe	37
PID 2216 wrote to memory of 2876	2216	rundll32.exe	38
PID 2216 wrote to memory of 2876	2216	rundll32.exe	38
PID 2216 wrote to memory of 2876	2216	rundll32.exe	38
PID 2216 wrote to memory of 2876	2216	rundll32.exe	38
PID 2216 wrote to memory of 2596	2216	rundll32.exe	39
PID 2216 wrote to memory of 2596	2216	rundll32.exe	39
PID 2216 wrote to memory of 2596	2216	rundll32.exe	39
PID 2216 wrote to memory of 2596	2216	rundll32.exe	39
PID 2216 wrote to memory of 2592	2216	rundll32.exe	40
PID 2216 wrote to memory of 2592	2216	rundll32.exe	40
PID 2216 wrote to memory of 2592	2216	rundll32.exe	40
PID 2216 wrote to memory of 2592	2216	rundll32.exe	40
PID 2216 wrote to memory of 1804	2216	rundll32.exe	41
PID 2216 wrote to memory of 1804	2216	rundll32.exe	41
PID 2216 wrote to memory of 1804	2216	rundll32.exe	41
PID 2216 wrote to memory of 1804	2216	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e7bcb00840c4559fbb1844073a5ba71a72e6494cea5453f86b02a1a1515dd2e1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e7bcb00840c4559fbb1844073a5ba71a72e6494cea5453f86b02a1a1515dd2e1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 332
    3⤵
    - Program crash
    PID:2848
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 dc-d6-28-66-03-32
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2244
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 c5-33-e9-3b-95-c3
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2688
- - C:\Windows\SysWOW64\arp.exe
    arp -s 49.12.169.207 cb-f1-66-6b-47-6e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3000
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 62-7b-a0-23-8a-ff
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1440
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 4b-fd-48-af-32-fc
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2876
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 47-ab-7c-67-03-4a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2596
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 5a-23-7c-f3-bf-ac
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2592
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 2f-d5-07-ff-c0-5f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1804

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

Filesize
204KB

Download
memory/2216-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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

Filesize
204KB

Download
memory/2216-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download