077a7a1734dfbd3a1420524f3ac1db9d2819d20c101d2c126697f0aa312e4cf4

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 06:36

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General

Target

077a7a1734dfbd3a1420524f3ac1db9d2819d20c101d2c126697f0aa312e4cf4N.dll
Size

76KB
MD5

4550009618a89dd417b9115fcb81ade0
SHA1

e1599d5f39ed95243ec99b0dbb0ecb6bc41edbdb
SHA256

077a7a1734dfbd3a1420524f3ac1db9d2819d20c101d2c126697f0aa312e4cf4
SHA512

398541c3e87e17abb7068c1402067d161dbb40441b5a6b91617b1053ef0bbbf87464c2c6004e0866bed9c24cbc36c1aa120d3e9a7cccd44b0747c63aa16b73fa
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z4zsaq:c8y93KQjy7G55riF1cMo03Whq

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/688-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/688-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4228	688	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	688	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 688	3780	rundll32.exe	82
PID 3780 wrote to memory of 688	3780	rundll32.exe	82
PID 3780 wrote to memory of 688	3780	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\077a7a1734dfbd3a1420524f3ac1db9d2819d20c101d2c126697f0aa312e4cf4N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\077a7a1734dfbd3a1420524f3ac1db9d2819d20c101d2c126697f0aa312e4cf4N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 708
    3⤵
    - Program crash
    PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 688 -ip 688
1⤵
PID:2344

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/688-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/688-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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