75f181b61e22c0c4a863e4883ce125a88f33c47532e4453cab71e15bd5588923

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 01:52

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General

Target

75f181b61e22c0c4a863e4883ce125a88f33c47532e4453cab71e15bd5588923.dll
Size

76KB
MD5

3a0530f870f4a07f450fdf49ce93fef6
SHA1

4ad08488e36a456f84fd5015462b4acaaa79bbf5
SHA256

75f181b61e22c0c4a863e4883ce125a88f33c47532e4453cab71e15bd5588923
SHA512

4b293ba457185577c5c25c45d273de19dfd617af23b465dc0c6f9e85f4ec326d8352215e435c0fbc868a8f634fb3d231cc2da85fc46384ac94e2240f5ca58eb2
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZzJ0tyiRl:c8y93KQjy7G55riF1cMo03hJw

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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3036-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3036-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3036-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3036-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
3036	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30
PID 2388 wrote to memory of 3036	2388	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75f181b61e22c0c4a863e4883ce125a88f33c47532e4453cab71e15bd5588923.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\75f181b61e22c0c4a863e4883ce125a88f33c47532e4453cab71e15bd5588923.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3036

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/3036-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3036-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3036-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3036-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download