3bfd2e503020274ee74f3d2015317fd549acc64eb760afa07c0bac637a3110dd

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 12:08

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General

Target

External/Components/nss3.dll
Size

172KB
MD5

7ddbd64d87c94fd0b5914688093dd5c2
SHA1

d49d1f79efae8a5f58e6f713e43360117589efeb
SHA256

769703fb1ba6c95fb6c889e8a9baaea309e62d0f3ca444d01cc6b495c0f722d1
SHA512

60eaad58c3c4894f1673723eb28ddb42b681ff7aafe7a29ff8bf87a2da6595c16d1f8449096accdb89bd6cda6454eb90470e71dde7c5bd16abd0f80e115cfa2d
SSDEEP

3072:DOzNcMUfY7U0ITTFQxq5jK9OOGldSuZeU/u2znyHKnA4qkz+1TYN:DKNf4Y7Uf5za+h8R1

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
behavioral5/memory/2320-2-0x0000000060220000-0x0000000060229000-memory.dmp	acprotect
behavioral5/memory/2320-8-0x0000000060220000-0x0000000060229000-memory.dmp	acprotect

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral5/memory/2320-0-0x0000000060170000-0x00000000601D7000-memory.dmp	upx
behavioral5/memory/2320-3-0x0000000060140000-0x000000006016D000-memory.dmp	upx
behavioral5/memory/2320-4-0x0000000060210000-0x000000006021A000-memory.dmp	upx
behavioral5/memory/2320-2-0x0000000060220000-0x0000000060229000-memory.dmp	upx
behavioral5/memory/2320-1-0x0000000060170000-0x00000000601D7000-memory.dmp	upx
behavioral5/memory/2320-5-0x0000000060260000-0x00000000602BF000-memory.dmp	upx
behavioral5/memory/2320-11-0x0000000060210000-0x000000006021A000-memory.dmp	upx
behavioral5/memory/2320-12-0x0000000060260000-0x00000000602BF000-memory.dmp	upx
behavioral5/memory/2320-10-0x0000000060140000-0x000000006016D000-memory.dmp	upx
behavioral5/memory/2320-8-0x0000000060220000-0x0000000060229000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 856 wrote to memory of 2320	856	rundll32.exe	31
PID 856 wrote to memory of 2320	856	rundll32.exe	31
PID 856 wrote to memory of 2320	856	rundll32.exe	31
PID 856 wrote to memory of 2320	856	rundll32.exe	31
PID 856 wrote to memory of 2320	856	rundll32.exe	31
PID 856 wrote to memory of 2320	856	rundll32.exe	31
PID 856 wrote to memory of 2320	856	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\External\Components\nss3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\External\Components\nss3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2320-0-0x0000000060170000-0x00000000601D7000-memory.dmp

Filesize
412KB

Download
memory/2320-3-0x0000000060140000-0x000000006016D000-memory.dmp

Filesize
180KB

Download
memory/2320-4-0x0000000060210000-0x000000006021A000-memory.dmp

Filesize
40KB

Download
memory/2320-2-0x0000000060220000-0x0000000060229000-memory.dmp

Filesize
36KB

Download
memory/2320-1-0x0000000060170000-0x00000000601D7000-memory.dmp

Filesize
412KB

Download
memory/2320-5-0x0000000060260000-0x00000000602BF000-memory.dmp

Filesize
380KB

Download
memory/2320-11-0x0000000060210000-0x000000006021A000-memory.dmp

Filesize
40KB

Download
memory/2320-12-0x0000000060260000-0x00000000602BF000-memory.dmp

Filesize
380KB

Download
memory/2320-10-0x0000000060140000-0x000000006016D000-memory.dmp

Filesize
180KB

Download
memory/2320-8-0x0000000060220000-0x0000000060229000-memory.dmp

Filesize
36KB

Download