b577311d687fd78d0c7147121a42c4affd8b4f8e43821ec24a518fea2ae83b9b

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 00:18

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General

Target

b577311d687fd78d0c7147121a42c4affd8b4f8e43821ec24a518fea2ae83b9b.dll
Size

76KB
MD5

7ea681f8af8d73cea8efcd7bd3207c7d
SHA1

42aa05ecd09d55a19fc1528640f4f61bd883731a
SHA256

b577311d687fd78d0c7147121a42c4affd8b4f8e43821ec24a518fea2ae83b9b
SHA512

14d0e03cf4042e881403321737b9cf16a7f5b78158f8b5f5df50c32c75ff9a361e671263126f67b871571b83d941c8966d90210a3691fe549d86243d3f7bd2bd
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zku9js7ny:c8y93KQjy7G55riF1cMo03uutR

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/2352-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2352-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2352-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2352-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2380	2352	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	2352	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 2352	1272	rundll32.exe	30
PID 1272 wrote to memory of 2352	1272	rundll32.exe	30
PID 1272 wrote to memory of 2352	1272	rundll32.exe	30
PID 1272 wrote to memory of 2352	1272	rundll32.exe	30
PID 1272 wrote to memory of 2352	1272	rundll32.exe	30
PID 1272 wrote to memory of 2352	1272	rundll32.exe	30
PID 1272 wrote to memory of 2352	1272	rundll32.exe	30
PID 2352 wrote to memory of 2380	2352	rundll32.exe	31
PID 2352 wrote to memory of 2380	2352	rundll32.exe	31
PID 2352 wrote to memory of 2380	2352	rundll32.exe	31
PID 2352 wrote to memory of 2380	2352	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b577311d687fd78d0c7147121a42c4affd8b4f8e43821ec24a518fea2ae83b9b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b577311d687fd78d0c7147121a42c4affd8b4f8e43821ec24a518fea2ae83b9b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 324
    3⤵
    - Program crash
    PID:2380

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

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Downloads

memory/2352-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2352-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2352-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2352-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2352-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download