b4865cdbed92d075df410d8ddbdc2d1cb2111e508b2617f9689f21ef04f67e5f

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 23:35

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General

Target

b4865cdbed92d075df410d8ddbdc2d1cb2111e508b2617f9689f21ef04f67e5f.dll
Size

76KB
MD5

00e9c24d20d9dc7a272a9ebe231f8c1a
SHA1

e3957fe814ce3a0bd136c20ecd72f566d4f59cf7
SHA256

b4865cdbed92d075df410d8ddbdc2d1cb2111e508b2617f9689f21ef04f67e5f
SHA512

983d8092e851a71c6897377dfcbbe5cc3ffcf7aee6eb7b43b0449b213e343752f0d3bd7588a196b9f41df8f539e4efea577b93a2b8815e5887348d92b6991ba1
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZkJ6SfcD9WW:c8y93KQjy7G55riF1cMo03SJ6SfcDgW

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/764-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/764-2-0x0000000010000000-0x0000000010030000-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

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 764	1984	rundll32.exe	31
PID 1984 wrote to memory of 764	1984	rundll32.exe	31
PID 1984 wrote to memory of 764	1984	rundll32.exe	31
PID 1984 wrote to memory of 764	1984	rundll32.exe	31
PID 1984 wrote to memory of 764	1984	rundll32.exe	31
PID 1984 wrote to memory of 764	1984	rundll32.exe	31
PID 1984 wrote to memory of 764	1984	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4865cdbed92d075df410d8ddbdc2d1cb2111e508b2617f9689f21ef04f67e5f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4865cdbed92d075df410d8ddbdc2d1cb2111e508b2617f9689f21ef04f67e5f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:764

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/764-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/764-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download