028f20b8b370aafb5a55052a2e8619e067f414bccb26cc6c562a22067adb2026

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
10/12/2024, 14:37

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General

Target

028f20b8b370aafb5a55052a2e8619e067f414bccb26cc6c562a22067adb2026N.dll
Size

76KB
MD5

69f04c43da58dc923a5e36c14d267490
SHA1

bf06cd8320a16a88916652cb38e7056c1a13a5fa
SHA256

028f20b8b370aafb5a55052a2e8619e067f414bccb26cc6c562a22067adb2026
SHA512

db7ccf7a90a82a887651d14a1a9db7a2119774a8825fed815a6a1e9a593c9b041b489cb1ad9bc6bb82d3e4667abb296e0d0e62fb83f8452bd2e1c5988ceb3362
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z5sfQa5P7:c8y93KQjy7G55riF1cMo03387

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/1648-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1648-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1572	1648	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	1648	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 1648	4768	rundll32.exe	82
PID 4768 wrote to memory of 1648	4768	rundll32.exe	82
PID 4768 wrote to memory of 1648	4768	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\028f20b8b370aafb5a55052a2e8619e067f414bccb26cc6c562a22067adb2026N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\028f20b8b370aafb5a55052a2e8619e067f414bccb26cc6c562a22067adb2026N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 704
    3⤵
    - Program crash
    PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1648 -ip 1648
1⤵
PID:3164

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/1648-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1648-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download