d2c2fcfb80a060f0788e9f7b4da72cfff4ec6c37a492e4b8aae2c7d3ca7663c3

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 03:30

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General

Target

d2c2fcfb80a060f0788e9f7b4da72cfff4ec6c37a492e4b8aae2c7d3ca7663c3.dll
Size

76KB
MD5

333444328f123b93f2c1fad9b4300951
SHA1

0081f00d7f7987dfb5a5cbc51656ccd879ccef49
SHA256

d2c2fcfb80a060f0788e9f7b4da72cfff4ec6c37a492e4b8aae2c7d3ca7663c3
SHA512

8e9cc7c348f520526570718da9f9f646e71ff6116125b5303a3da3020d3fec60d7263dab5c7fad3f2d112a068e402d60646d8fe459dae925d694e5fb8bf122d8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZT2vvvxAUw1:c8y93KQjy7G55riF1cMo03l2vnxAUw1

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2664-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2664-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2664-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2852	2664	WerFault.exe	31

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	2664	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2664 wrote to memory of 2852	2664	rundll32.exe	32
PID 2664 wrote to memory of 2852	2664	rundll32.exe	32
PID 2664 wrote to memory of 2852	2664	rundll32.exe	32
PID 2664 wrote to memory of 2852	2664	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2c2fcfb80a060f0788e9f7b4da72cfff4ec6c37a492e4b8aae2c7d3ca7663c3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2c2fcfb80a060f0788e9f7b4da72cfff4ec6c37a492e4b8aae2c7d3ca7663c3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 328
    3⤵
    - Program crash
    PID:2852

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/2664-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2664-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2664-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download