71d8f96a20b142fc0a570a61d9c4614b118f6023d546b1ce353a8a407d76dc00

Analysis

max time kernel
141s
max time network
22s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29/09/2024, 16:29

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General

Target

71d8f96a20b142fc0a570a61d9c4614b118f6023d546b1ce353a8a407d76dc00N.dll
Size

76KB
MD5

d518b17d40f63c14ccaf42d2cca03720
SHA1

fcb1d28f745b45eb0f03cf3a4952a9c004e46121
SHA256

71d8f96a20b142fc0a570a61d9c4614b118f6023d546b1ce353a8a407d76dc00
SHA512

9ed570b101cb706c7ec46071439711efa4f4d7b4297be098fb7061810a6fafca63035a745a88a7be2da0a4e66d02eab46aa689db20aef22fff19337f60866a58
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zwad6:c8y93KQjy7G55riF1cMo03S

Score

5^/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/640-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/640-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2796	640	WerFault.exe	29

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	640	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 640 wrote to memory of 2796	640	rundll32.exe	30
PID 640 wrote to memory of 2796	640	rundll32.exe	30
PID 640 wrote to memory of 2796	640	rundll32.exe	30
PID 640 wrote to memory of 2796	640	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\71d8f96a20b142fc0a570a61d9c4614b118f6023d546b1ce353a8a407d76dc00N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\71d8f96a20b142fc0a570a61d9c4614b118f6023d546b1ce353a8a407d76dc00N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 304
    3⤵
    - Program crash
    PID:2796

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/640-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/640-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download