97e951c144dd7e94f92527e4eb0bdc56ef6a0b4f283f252e9be2bf83894b7473

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 08:06

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General

Target

97e951c144dd7e94f92527e4eb0bdc56ef6a0b4f283f252e9be2bf83894b7473N.dll
Size

76KB
MD5

a49c6274d5968eb4a1570b1a392a6040
SHA1

7251cf49deffd662386df492f76a269dd0a9ecbd
SHA256

97e951c144dd7e94f92527e4eb0bdc56ef6a0b4f283f252e9be2bf83894b7473
SHA512

06c9686d73320f653668056cbdf53ffdccbe63ce1406c37c7d3caf6d56061f54cce20065ad8c20945e1236370169dd4efc0adf82c7b46e833e10c7776afeadff
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZV3:c8y93KQjy7G55riF1cMo03X3

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/2820-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2820-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2820-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2820-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2812	2820	WerFault.exe	30

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	2820	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2776 wrote to memory of 2820	2776	rundll32.exe	30
PID 2820 wrote to memory of 2812	2820	rundll32.exe	31
PID 2820 wrote to memory of 2812	2820	rundll32.exe	31
PID 2820 wrote to memory of 2812	2820	rundll32.exe	31
PID 2820 wrote to memory of 2812	2820	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\97e951c144dd7e94f92527e4eb0bdc56ef6a0b4f283f252e9be2bf83894b7473N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\97e951c144dd7e94f92527e4eb0bdc56ef6a0b4f283f252e9be2bf83894b7473N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 304
    3⤵
    - Program crash
    PID:2812

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/2820-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2820-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2820-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2820-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download