f049b482735c3885a36f7d34abb04b62bb5ae53c771c6bca1aa9dd2306e6b5d3

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 05:53

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General

Target

f049b482735c3885a36f7d34abb04b62bb5ae53c771c6bca1aa9dd2306e6b5d3.dll
Size

76KB
MD5

7d4a61b649dcd073a3170a4106943b86
SHA1

fabc80f5d90b38f1c67d5a9999c7ade958eae10b
SHA256

f049b482735c3885a36f7d34abb04b62bb5ae53c771c6bca1aa9dd2306e6b5d3
SHA512

374fb59dd000c80a2c60dfa7023078ac1954ead0d40063f9840fd3917b400ffe7350ab637ace637f0921f2bc2d899c81307b9b6f58104eb3f933c570470390e7
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z1xNP64xVM:c8y93KQjy7G55riF1cMo03ZdTxC

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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1956-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1956-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1956-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1956-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1956-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
624	1956	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	1956	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 1956 wrote to memory of 624	1956	rundll32.exe	32
PID 1956 wrote to memory of 624	1956	rundll32.exe	32
PID 1956 wrote to memory of 624	1956	rundll32.exe	32
PID 1956 wrote to memory of 624	1956	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f049b482735c3885a36f7d34abb04b62bb5ae53c771c6bca1aa9dd2306e6b5d3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f049b482735c3885a36f7d34abb04b62bb5ae53c771c6bca1aa9dd2306e6b5d3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 308
    3⤵
    - Program crash
    PID:624

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/1956-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1956-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1956-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1956-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1956-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download