c2731c5438dc9f685cc05c0d6ccafd15ba9820bb1b7a72550d949855e2146e1c

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 04:40

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General

Target

c2731c5438dc9f685cc05c0d6ccafd15ba9820bb1b7a72550d949855e2146e1c.dll
Size

76KB
MD5

30f2916f2c67f6905b4c86952a036e3a
SHA1

dab703aac305619d05467a8ca17b3d359df03e61
SHA256

c2731c5438dc9f685cc05c0d6ccafd15ba9820bb1b7a72550d949855e2146e1c
SHA512

c7a20a8bd759d4dbc836e15e65fe7313b5b01938bac9abd415407cca49084cb57ed45b4e1ac58024a22e936b4c13bfa348b9ba6a6edf837e189d86b425d6ea35
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZlN5h/N2X:c8y93KQjy7G55riF1cMo03l5h/N2X

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1548-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1548-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4052	1548	WerFault.exe	83

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	1548	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 1548	3152	rundll32.exe	83
PID 3152 wrote to memory of 1548	3152	rundll32.exe	83
PID 3152 wrote to memory of 1548	3152	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c2731c5438dc9f685cc05c0d6ccafd15ba9820bb1b7a72550d949855e2146e1c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c2731c5438dc9f685cc05c0d6ccafd15ba9820bb1b7a72550d949855e2146e1c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 712
    3⤵
    - Program crash
    PID:4052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1548 -ip 1548
1⤵
PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/1548-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1548-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download