3cdcba5df3b9337760feb313942278596994bff5e7ec014c1baba7ed8555e6f6

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/12/2024, 15:46

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General

Target

3cdcba5df3b9337760feb313942278596994bff5e7ec014c1baba7ed8555e6f6.dll
Size

76KB
MD5

25dab27826f6ac0a97361779da81a2c3
SHA1

7693fee9a0b3926a315b7cdba731f1553dd9502e
SHA256

3cdcba5df3b9337760feb313942278596994bff5e7ec014c1baba7ed8555e6f6
SHA512

8bbdef49de4d2b33045a4af1122a66061738288a29a9647b73fc7aa2cac55bf2b173942f6e58c09ad82dd3508e9d6be60c66492d161a87482458057aac571817
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZDsJEfwWsoitF:c8y93KQjy7G55riF1cMo03FsJkwqi/

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/2364-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2364-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
552	2364	WerFault.exe	82

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	2364	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 2364	372	rundll32.exe	82
PID 372 wrote to memory of 2364	372	rundll32.exe	82
PID 372 wrote to memory of 2364	372	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cdcba5df3b9337760feb313942278596994bff5e7ec014c1baba7ed8555e6f6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cdcba5df3b9337760feb313942278596994bff5e7ec014c1baba7ed8555e6f6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2364
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 712
    3⤵
    - Program crash
    PID:552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2364 -ip 2364
1⤵
PID:3556

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/2364-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2364-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download