f73b2d3e9f12244300859efa1f954c3964c1c296da66398d931b0a695d38de4a

Analysis

max time kernel
24s
max time network
17s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 07:03

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General

Target

f73b2d3e9f12244300859efa1f954c3964c1c296da66398d931b0a695d38de4aN.dll
Size

76KB
MD5

0cc583831d7cd2ae496f75f2e6e6b1b0
SHA1

4aa5721c72509d6273ac7b6b07806fc9634b7035
SHA256

f73b2d3e9f12244300859efa1f954c3964c1c296da66398d931b0a695d38de4a
SHA512

4c1363cd6966d277f2eb00be479c455d1c677ae94bce0181b581fba3cf19643fa889705f757c671890cb7cb7694cafe75c4fcf3db932e94006311ccc84ec38c1
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZVuD9wvVdNu:c8y93KQjy7G55riF1cMo03LuDu9dNu

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/2824-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2824-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3000	2824	WerFault.exe	30

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	2824	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2824	3004	rundll32.exe	30
PID 3004 wrote to memory of 2824	3004	rundll32.exe	30
PID 3004 wrote to memory of 2824	3004	rundll32.exe	30
PID 3004 wrote to memory of 2824	3004	rundll32.exe	30
PID 3004 wrote to memory of 2824	3004	rundll32.exe	30
PID 3004 wrote to memory of 2824	3004	rundll32.exe	30
PID 3004 wrote to memory of 2824	3004	rundll32.exe	30
PID 2824 wrote to memory of 3000	2824	rundll32.exe	31
PID 2824 wrote to memory of 3000	2824	rundll32.exe	31
PID 2824 wrote to memory of 3000	2824	rundll32.exe	31
PID 2824 wrote to memory of 3000	2824	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f73b2d3e9f12244300859efa1f954c3964c1c296da66398d931b0a695d38de4aN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f73b2d3e9f12244300859efa1f954c3964c1c296da66398d931b0a695d38de4aN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 272
    3⤵
    - Program crash
    PID:3000

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/2824-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2824-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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