b30a0d4cee6f2fc2c4e22f95de1a7d0229bbb07d111221d0d05d2eaf2836502c

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 22:36

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General

Target

b30a0d4cee6f2fc2c4e22f95de1a7d0229bbb07d111221d0d05d2eaf2836502cN.dll
Size

76KB
MD5

b4aadeae396c0491eee94e5cea7392e0
SHA1

2220b677c13ffa8d3b6210ab4600ce169fca5a48
SHA256

b30a0d4cee6f2fc2c4e22f95de1a7d0229bbb07d111221d0d05d2eaf2836502c
SHA512

9f54fbffdae60e1289b6987718158f017195d0087b328279e84c898ce6f91ce832a43ac56b03830bc80277be6263f6a010cc104f6caabe41ecb5698a43048630
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZSLKkBXO:c8y93KQjy7G55riF1cMo03KlO

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/768-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/768-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3052	768	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	768	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4552 wrote to memory of 768	4552	rundll32.exe	83
PID 4552 wrote to memory of 768	4552	rundll32.exe	83
PID 4552 wrote to memory of 768	4552	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b30a0d4cee6f2fc2c4e22f95de1a7d0229bbb07d111221d0d05d2eaf2836502cN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b30a0d4cee6f2fc2c4e22f95de1a7d0229bbb07d111221d0d05d2eaf2836502cN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 768 -s 704
    3⤵
    - Program crash
    PID:3052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 768 -ip 768
1⤵
PID:2596

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/768-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/768-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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