8333a0f146451da408e97825acdc55500aa6524d0fcb527e6f4a554f5ced743a

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 15:05

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General

Target

8333a0f146451da408e97825acdc55500aa6524d0fcb527e6f4a554f5ced743a.dll
Size

76KB
MD5

41d942114fed61472437c81e438ee922
SHA1

9b1bd5669e8a5a998d0fdc91b09ef4558452204f
SHA256

8333a0f146451da408e97825acdc55500aa6524d0fcb527e6f4a554f5ced743a
SHA512

c418b7ad82486ae49f570ddffad43b5b4caa7d4f3952f733809885bee5aff79de0eb1eab0f00199cdf0cd4f3ffb8181341e1f83bc77e2796afd237899bed7552
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zm2e8ww:c8y93KQjy7G55riF1cMo034a9

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/2344-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2344-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2344-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2344-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2144	2344	WerFault.exe	29

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	2344	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2344	2600	rundll32.exe	29
PID 2600 wrote to memory of 2344	2600	rundll32.exe	29
PID 2600 wrote to memory of 2344	2600	rundll32.exe	29
PID 2600 wrote to memory of 2344	2600	rundll32.exe	29
PID 2600 wrote to memory of 2344	2600	rundll32.exe	29
PID 2600 wrote to memory of 2344	2600	rundll32.exe	29
PID 2600 wrote to memory of 2344	2600	rundll32.exe	29
PID 2344 wrote to memory of 2144	2344	rundll32.exe	30
PID 2344 wrote to memory of 2144	2344	rundll32.exe	30
PID 2344 wrote to memory of 2144	2344	rundll32.exe	30
PID 2344 wrote to memory of 2144	2344	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8333a0f146451da408e97825acdc55500aa6524d0fcb527e6f4a554f5ced743a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8333a0f146451da408e97825acdc55500aa6524d0fcb527e6f4a554f5ced743a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 312
    3⤵
    - Program crash
    PID:2144

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/2344-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2344-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2344-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2344-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download