b0348b81646137b1a7cf5a4a04a46623f922c8ffc0a74bd49c8707cde142f923

Analysis

max time kernel
93s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 03:03

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General

Target

b0348b81646137b1a7cf5a4a04a46623f922c8ffc0a74bd49c8707cde142f923.dll
Size

76KB
MD5

1cc9bff88ff82944717c1227c427eead
SHA1

95c99db1fb4b778a51a4f1c49897a453d428b094
SHA256

b0348b81646137b1a7cf5a4a04a46623f922c8ffc0a74bd49c8707cde142f923
SHA512

684edbb4876ab15dc75faf1b93b35f3e3bd2ba340df2a2419d1b2ea139523aa6023f297c1e47b88ee5a6c7f2b10c9710a9f5456baf8255cf12c7a6046435c2ca
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z3kSSMg4Huv4+2:c8y93KQjy7G55riF1cMo03SMgvN2

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/1128-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1128-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
868	1128	WerFault.exe	83

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	1128	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1128	1976	rundll32.exe	83
PID 1976 wrote to memory of 1128	1976	rundll32.exe	83
PID 1976 wrote to memory of 1128	1976	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0348b81646137b1a7cf5a4a04a46623f922c8ffc0a74bd49c8707cde142f923.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0348b81646137b1a7cf5a4a04a46623f922c8ffc0a74bd49c8707cde142f923.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1128 -s 704
    3⤵
    - Program crash
    PID:868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1128 -ip 1128
1⤵
PID:824

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/1128-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1128-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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