27e2d142a95416c19d7f4953646e425940c6a74b5972970e1f5e39c5ab23f0db

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 03:48

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General

Target

27e2d142a95416c19d7f4953646e425940c6a74b5972970e1f5e39c5ab23f0dbN.dll
Size

76KB
MD5

36dc28e1740665548e75218a3122d0e0
SHA1

05e4f5fec644b8eb726ccce247130fa030e8db62
SHA256

27e2d142a95416c19d7f4953646e425940c6a74b5972970e1f5e39c5ab23f0db
SHA512

401d0d9d9e2733fd3166fcc732b50acf57565ee5bf37f2c45ddc90cf3e735e6126b644b9cdeb5cd564b572843eb567181910ed816e481790b6f17644cf24a73f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zc:c8y93KQjy7G55riF1cMo03S

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2128-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2128-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2128-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2128-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1376	2128	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	2128	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2128	1908	rundll32.exe	30
PID 1908 wrote to memory of 2128	1908	rundll32.exe	30
PID 1908 wrote to memory of 2128	1908	rundll32.exe	30
PID 1908 wrote to memory of 2128	1908	rundll32.exe	30
PID 1908 wrote to memory of 2128	1908	rundll32.exe	30
PID 1908 wrote to memory of 2128	1908	rundll32.exe	30
PID 1908 wrote to memory of 2128	1908	rundll32.exe	30
PID 2128 wrote to memory of 1376	2128	rundll32.exe	31
PID 2128 wrote to memory of 1376	2128	rundll32.exe	31
PID 2128 wrote to memory of 1376	2128	rundll32.exe	31
PID 2128 wrote to memory of 1376	2128	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\27e2d142a95416c19d7f4953646e425940c6a74b5972970e1f5e39c5ab23f0dbN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\27e2d142a95416c19d7f4953646e425940c6a74b5972970e1f5e39c5ab23f0dbN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 332
    3⤵
    - Program crash
    PID:1376

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

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Downloads

memory/2128-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2128-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2128-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2128-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2128-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download