7a9a3fd578f6afc407adc349f69ce2f3837e32542cede71ca9f6c54bd42240f6

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 16:03

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General

Target

7a9a3fd578f6afc407adc349f69ce2f3837e32542cede71ca9f6c54bd42240f6.dll
Size

80KB
MD5

6093e4f82d4e5eb25e1a0ea94c0c974b
SHA1

78ea831fceddb4ceed87aab1da4f4536899609e4
SHA256

7a9a3fd578f6afc407adc349f69ce2f3837e32542cede71ca9f6c54bd42240f6
SHA512

1e7f04067c053b4cb469baac582b7266cf78c5fedfbb7c675473ddf9091af6320f8bc265cbbb2ccb42e36acaac550336b64d2d2f8f4475f47080957ccf8495cd
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPE6S8X8:5dbwovEVyqgoZmZXWfIdQdRaefPLX8

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
2848	arp.exe
632	arp.exe
2880	arp.exe
4032	arp.exe
4572	arp.exe
3788	arp.exe
2632	arp.exe
3968	arp.exe
1740	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/708-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/708-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4808	708	WerFault.exe	83

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	708	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 708	1520	rundll32.exe	83
PID 1520 wrote to memory of 708	1520	rundll32.exe	83
PID 1520 wrote to memory of 708	1520	rundll32.exe	83
PID 708 wrote to memory of 4572	708	rundll32.exe	84
PID 708 wrote to memory of 4572	708	rundll32.exe	84
PID 708 wrote to memory of 4572	708	rundll32.exe	84
PID 708 wrote to memory of 1740	708	rundll32.exe	88
PID 708 wrote to memory of 1740	708	rundll32.exe	88
PID 708 wrote to memory of 1740	708	rundll32.exe	88
PID 708 wrote to memory of 2848	708	rundll32.exe	89
PID 708 wrote to memory of 2848	708	rundll32.exe	89
PID 708 wrote to memory of 2848	708	rundll32.exe	89
PID 708 wrote to memory of 3788	708	rundll32.exe	90
PID 708 wrote to memory of 3788	708	rundll32.exe	90
PID 708 wrote to memory of 3788	708	rundll32.exe	90
PID 708 wrote to memory of 3968	708	rundll32.exe	91
PID 708 wrote to memory of 3968	708	rundll32.exe	91
PID 708 wrote to memory of 3968	708	rundll32.exe	91
PID 708 wrote to memory of 4032	708	rundll32.exe	92
PID 708 wrote to memory of 4032	708	rundll32.exe	92
PID 708 wrote to memory of 4032	708	rundll32.exe	92
PID 708 wrote to memory of 2880	708	rundll32.exe	93
PID 708 wrote to memory of 2880	708	rundll32.exe	93
PID 708 wrote to memory of 2880	708	rundll32.exe	93
PID 708 wrote to memory of 2632	708	rundll32.exe	94
PID 708 wrote to memory of 2632	708	rundll32.exe	94
PID 708 wrote to memory of 2632	708	rundll32.exe	94
PID 708 wrote to memory of 632	708	rundll32.exe	95
PID 708 wrote to memory of 632	708	rundll32.exe	95
PID 708 wrote to memory of 632	708	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a9a3fd578f6afc407adc349f69ce2f3837e32542cede71ca9f6c54bd42240f6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a9a3fd578f6afc407adc349f69ce2f3837e32542cede71ca9f6c54bd42240f6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:708
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4572
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 e3-d4-26-5e-15-2c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1740
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 97-a7-3b-6e-2f-dc
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2848
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.184 93-86-40-a4-c0-1d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3788
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 33-fc-23-34-6e-40
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3968
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 8a-1c-2b-28-47-3b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4032
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 b3-93-c5-e9-6a-ee
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2880
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 42-fe-ea-fa-f4-aa
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2632
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 de-90-66-06-cc-6a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 708 -s 712
    3⤵
    - Program crash
    PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 708 -ip 708
1⤵
PID:1780

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/708-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/708-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download