61a5590ef05cab127ab82e90fd1e52ad1a828cb9252fa02c881516c9565f55b7

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 03:09

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General

Target

61a5590ef05cab127ab82e90fd1e52ad1a828cb9252fa02c881516c9565f55b7.dll
Size

76KB
MD5

5b0dbec0cb667e5a8fc5d7fda0fa88e9
SHA1

d34069bdd08ac91eb58972ca10b6c0716c609a08
SHA256

61a5590ef05cab127ab82e90fd1e52ad1a828cb9252fa02c881516c9565f55b7
SHA512

4d2f88b4ee2e72ad815e89f3439b02169484fbd43ee2ecbac65b1ffd4487d79808dfebe897688a955ea8ac2dd44fadc833dcdcf8a9031e9bae6647cb2fa74fb1
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z7rPz:c8y93KQjy7G55riF1cMo039P

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/5088-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/5088-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3304	5088	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	5088	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 5088	5036	rundll32.exe	83
PID 5036 wrote to memory of 5088	5036	rundll32.exe	83
PID 5036 wrote to memory of 5088	5036	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\61a5590ef05cab127ab82e90fd1e52ad1a828cb9252fa02c881516c9565f55b7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\61a5590ef05cab127ab82e90fd1e52ad1a828cb9252fa02c881516c9565f55b7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 700
    3⤵
    - Program crash
    PID:3304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5088 -ip 5088
1⤵
PID:4736

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/5088-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/5088-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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