4e436b404fab56efceac7ef4d53420719712770db7ff99a2fba73b93adbc476e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 04:48

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General

Target

4e436b404fab56efceac7ef4d53420719712770db7ff99a2fba73b93adbc476eN.dll
Size

76KB
MD5

4402b0f0431978808732c730f27e1700
SHA1

5b1598876ba533e9cdd9d0e4f5f03b2e8d08668a
SHA256

4e436b404fab56efceac7ef4d53420719712770db7ff99a2fba73b93adbc476e
SHA512

bae2672b605e6bd97bbab09c9ab8c673fdcfdfca4543886de67aad19c1650066e6348194dc67a7074a6a1c0150d0ce803983126785ca12f5d8b98599158ecabf
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zy:c8y93KQjy7G55riF1cMo03s

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2228-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2228-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2228-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2708	2228	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	2228	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 2228	880	rundll32.exe	30
PID 880 wrote to memory of 2228	880	rundll32.exe	30
PID 880 wrote to memory of 2228	880	rundll32.exe	30
PID 880 wrote to memory of 2228	880	rundll32.exe	30
PID 880 wrote to memory of 2228	880	rundll32.exe	30
PID 880 wrote to memory of 2228	880	rundll32.exe	30
PID 880 wrote to memory of 2228	880	rundll32.exe	30
PID 2228 wrote to memory of 2708	2228	rundll32.exe	31
PID 2228 wrote to memory of 2708	2228	rundll32.exe	31
PID 2228 wrote to memory of 2708	2228	rundll32.exe	31
PID 2228 wrote to memory of 2708	2228	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e436b404fab56efceac7ef4d53420719712770db7ff99a2fba73b93adbc476eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e436b404fab56efceac7ef4d53420719712770db7ff99a2fba73b93adbc476eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 328
    3⤵
    - Program crash
    PID:2708

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/2228-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2228-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2228-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2228-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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