204c848b1d16b203320b850a02419837a2763d3e41dc167e18a5a1ed63a7150b

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 20:41

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General

Target

204c848b1d16b203320b850a02419837a2763d3e41dc167e18a5a1ed63a7150b.dll
Size

76KB
MD5

b9ec5689731fb18c55fc776c1043c3a3
SHA1

4fc4bdbf5f3b9fde7b586127f7f5c0ecc18a5565
SHA256

204c848b1d16b203320b850a02419837a2763d3e41dc167e18a5a1ed63a7150b
SHA512

1b0526d89eccabff95ba5fa325d2c61ad05917f03cbc3d23fa4b8c74f1b0a7b8e345f7de66e5e0652f297965567f1dedd8b5c824f092cd4632bd9f09c1383079
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZtkYVswz:c8y93KQjy7G55riF1cMo03vJVHz

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/2768-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2768-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2768-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2768-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2844	2768	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	2768	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2768	2728	rundll32.exe	30
PID 2728 wrote to memory of 2768	2728	rundll32.exe	30
PID 2728 wrote to memory of 2768	2728	rundll32.exe	30
PID 2728 wrote to memory of 2768	2728	rundll32.exe	30
PID 2728 wrote to memory of 2768	2728	rundll32.exe	30
PID 2728 wrote to memory of 2768	2728	rundll32.exe	30
PID 2728 wrote to memory of 2768	2728	rundll32.exe	30
PID 2768 wrote to memory of 2844	2768	rundll32.exe	31
PID 2768 wrote to memory of 2844	2768	rundll32.exe	31
PID 2768 wrote to memory of 2844	2768	rundll32.exe	31
PID 2768 wrote to memory of 2844	2768	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\204c848b1d16b203320b850a02419837a2763d3e41dc167e18a5a1ed63a7150b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\204c848b1d16b203320b850a02419837a2763d3e41dc167e18a5a1ed63a7150b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 236
    3⤵
    - Program crash
    PID:2844

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/2768-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2768-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2768-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2768-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download