820de907a6340a51e8591764bb72bb6cd738934988ae77ea55f2035acaa4b244

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
18-12-2024 00:45

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General

Target

820de907a6340a51e8591764bb72bb6cd738934988ae77ea55f2035acaa4b244.dll
Size

76KB
MD5

81834d2bd9d217acb75ee7b13942f124
SHA1

b74559f4445f0ead198191e1c972edfad2baf58f
SHA256

820de907a6340a51e8591764bb72bb6cd738934988ae77ea55f2035acaa4b244
SHA512

e3106f5accbb3e9cc67049e5d15fd3fcfd3babf90a3045a15d6914217e2cbfaee30699aa55d4632c575146e6d99a95037d096022736b869dee8869b06bfc62d3
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZrhXXVzRb84w:c8y93KQjy7G55riF1cMo03JhXXVlb8n

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2516-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2516-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1100	2516	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	2516	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2392 wrote to memory of 2516	2392	rundll32.exe	30
PID 2516 wrote to memory of 1100	2516	rundll32.exe	31
PID 2516 wrote to memory of 1100	2516	rundll32.exe	31
PID 2516 wrote to memory of 1100	2516	rundll32.exe	31
PID 2516 wrote to memory of 1100	2516	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\820de907a6340a51e8591764bb72bb6cd738934988ae77ea55f2035acaa4b244.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\820de907a6340a51e8591764bb72bb6cd738934988ae77ea55f2035acaa4b244.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 304
    3⤵
    - Program crash
    PID:1100

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/2516-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2516-1-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2516-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download