bed841037dd498d751c54f5ca07dd81fc9b17ae9658942a470e21c9ef42ae74a

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 02:48

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General

Target

bed841037dd498d751c54f5ca07dd81fc9b17ae9658942a470e21c9ef42ae74a.dll
Size

76KB
MD5

954ff422cd915afe4bb13eb45568b8e6
SHA1

760883c34011c817896bbebea3cd31b9084823c5
SHA256

bed841037dd498d751c54f5ca07dd81fc9b17ae9658942a470e21c9ef42ae74a
SHA512

6ccefbdb3642621f7370511ddb3edadf82ddf41e38705e5ce28966bbf286220768ca7f48021806b0c1621b7ba2963478a9cd9f4d53f788c6fba03cc34894adb9
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z/X6y7O+d8:c8y93KQjy7G55riF1cMo03lXDe

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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2380-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2072	2380	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	2380	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2380	2352	rundll32.exe	30
PID 2352 wrote to memory of 2380	2352	rundll32.exe	30
PID 2352 wrote to memory of 2380	2352	rundll32.exe	30
PID 2352 wrote to memory of 2380	2352	rundll32.exe	30
PID 2352 wrote to memory of 2380	2352	rundll32.exe	30
PID 2352 wrote to memory of 2380	2352	rundll32.exe	30
PID 2352 wrote to memory of 2380	2352	rundll32.exe	30
PID 2380 wrote to memory of 2072	2380	rundll32.exe	31
PID 2380 wrote to memory of 2072	2380	rundll32.exe	31
PID 2380 wrote to memory of 2072	2380	rundll32.exe	31
PID 2380 wrote to memory of 2072	2380	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bed841037dd498d751c54f5ca07dd81fc9b17ae9658942a470e21c9ef42ae74a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bed841037dd498d751c54f5ca07dd81fc9b17ae9658942a470e21c9ef42ae74a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 264
    3⤵
    - Program crash
    PID:2072

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/2380-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download