a032ef3dfbd2fba9aa86854095801c84d641e6019efa8bf80244a32c5308e40d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 10:14

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General

Target

a032ef3dfbd2fba9aa86854095801c84d641e6019efa8bf80244a32c5308e40d.dll
Size

80KB
MD5

8b0386d1da743cd68938e9bc3ea41877
SHA1

370571c3b2e9e26a96f309056d3c14744f65615a
SHA256

a032ef3dfbd2fba9aa86854095801c84d641e6019efa8bf80244a32c5308e40d
SHA512

b9afa0bad92a2cc89aad615cec88b9a18dd60925a7755e6d94c0120d8f3a8b302db322ff03ba74442725bb760c3700d8d14f2b6499eb79ce1955af8870265969
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEeWpQi:5dbwovEVyqgoZmZXWfIdQdRaefPrEv

Score

8^/10

discovery upx

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
5	2088	rundll32.exe
8	2088	rundll32.exe
9	2088	rundll32.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	rundll32.exe

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2592	arp.exe
2152	arp.exe
3004	arp.exe
2532	arp.exe
2568	arp.exe
2564	arp.exe
580	arp.exe
2232	arp.exe
2324	arp.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2088-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2088-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2088-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2088-6-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2088-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2088-13-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2088-15-0x0000000010000000-0x0000000010033000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 11 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2088	rundll32.exe
2088	rundll32.exe
2088	rundll32.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
476	Process not Found
476	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2088	2136	rundll32.exe	30
PID 2136 wrote to memory of 2088	2136	rundll32.exe	30
PID 2136 wrote to memory of 2088	2136	rundll32.exe	30
PID 2136 wrote to memory of 2088	2136	rundll32.exe	30
PID 2136 wrote to memory of 2088	2136	rundll32.exe	30
PID 2136 wrote to memory of 2088	2136	rundll32.exe	30
PID 2136 wrote to memory of 2088	2136	rundll32.exe	30
PID 2088 wrote to memory of 2232	2088	rundll32.exe	31
PID 2088 wrote to memory of 2232	2088	rundll32.exe	31
PID 2088 wrote to memory of 2232	2088	rundll32.exe	31
PID 2088 wrote to memory of 2232	2088	rundll32.exe	31
PID 2088 wrote to memory of 2152	2088	rundll32.exe	33
PID 2088 wrote to memory of 2152	2088	rundll32.exe	33
PID 2088 wrote to memory of 2152	2088	rundll32.exe	33
PID 2088 wrote to memory of 2152	2088	rundll32.exe	33
PID 2088 wrote to memory of 3004	2088	rundll32.exe	34
PID 2088 wrote to memory of 3004	2088	rundll32.exe	34
PID 2088 wrote to memory of 3004	2088	rundll32.exe	34
PID 2088 wrote to memory of 3004	2088	rundll32.exe	34
PID 2088 wrote to memory of 2324	2088	rundll32.exe	35
PID 2088 wrote to memory of 2324	2088	rundll32.exe	35
PID 2088 wrote to memory of 2324	2088	rundll32.exe	35
PID 2088 wrote to memory of 2324	2088	rundll32.exe	35
PID 2088 wrote to memory of 2532	2088	rundll32.exe	36
PID 2088 wrote to memory of 2532	2088	rundll32.exe	36
PID 2088 wrote to memory of 2532	2088	rundll32.exe	36
PID 2088 wrote to memory of 2532	2088	rundll32.exe	36
PID 2088 wrote to memory of 2568	2088	rundll32.exe	38
PID 2088 wrote to memory of 2568	2088	rundll32.exe	38
PID 2088 wrote to memory of 2568	2088	rundll32.exe	38
PID 2088 wrote to memory of 2568	2088	rundll32.exe	38
PID 2088 wrote to memory of 2564	2088	rundll32.exe	39
PID 2088 wrote to memory of 2564	2088	rundll32.exe	39
PID 2088 wrote to memory of 2564	2088	rundll32.exe	39
PID 2088 wrote to memory of 2564	2088	rundll32.exe	39
PID 2088 wrote to memory of 2592	2088	rundll32.exe	40
PID 2088 wrote to memory of 2592	2088	rundll32.exe	40
PID 2088 wrote to memory of 2592	2088	rundll32.exe	40
PID 2088 wrote to memory of 2592	2088	rundll32.exe	40
PID 2088 wrote to memory of 580	2088	rundll32.exe	42
PID 2088 wrote to memory of 580	2088	rundll32.exe	42
PID 2088 wrote to memory of 580	2088	rundll32.exe	42
PID 2088 wrote to memory of 580	2088	rundll32.exe	42
PID 2088 wrote to memory of 2876	2088	rundll32.exe	50
PID 2088 wrote to memory of 2876	2088	rundll32.exe	50
PID 2088 wrote to memory of 2876	2088	rundll32.exe	50
PID 2088 wrote to memory of 2876	2088	rundll32.exe	50

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a032ef3dfbd2fba9aa86854095801c84d641e6019efa8bf80244a32c5308e40d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a032ef3dfbd2fba9aa86854095801c84d641e6019efa8bf80244a32c5308e40d.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2232
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 db-53-15-c1-ec-e9
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2152
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 2e-1e-9d-76-60-ae
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3004
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.182 d8-ed-a7-f2-98-f8
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2324
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 01-bb-f9-92-e7-11
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2532
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 25-95-44-1a-48-3e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2568
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 fc-7b-ac-ff-bd-1a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2564
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 56-ea-1b-25-94-59
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2592
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 d4-72-92-98-fd-bb
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:580
- - C:\Windows\SysWOW64\arp.exe
    arp -d
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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/2088-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2088-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2088-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2088-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2088-6-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2088-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2088-13-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2088-15-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download