92faf357359eb2bc922f04111b1304a3aeeafbd2eace43ea5b9ead28adea461a

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 07:24

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General

Target

92faf357359eb2bc922f04111b1304a3aeeafbd2eace43ea5b9ead28adea461a.dll
Size

76KB
MD5

f7f1e4474e9b4652b86e4bf644672911
SHA1

4133a6b69039b877e0790007a960b5b07007adc6
SHA256

92faf357359eb2bc922f04111b1304a3aeeafbd2eace43ea5b9ead28adea461a
SHA512

08d0b6d88ba1e613baf20b3a6cdcfd1ace9e208b8a2fd33218febd8b3e013f49061179daa8c5672bd6a60500714724047ab01d1d3c7d8d239095bb9081895174
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZU9kQc7h:c8y93KQjy7G55riF1cMo036k

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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1304-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1304-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1304-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1304-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1304-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1304-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2592	1304	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	1304	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 1304 wrote to memory of 2592	1304	rundll32.exe	31
PID 1304 wrote to memory of 2592	1304	rundll32.exe	31
PID 1304 wrote to memory of 2592	1304	rundll32.exe	31
PID 1304 wrote to memory of 2592	1304	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\92faf357359eb2bc922f04111b1304a3aeeafbd2eace43ea5b9ead28adea461a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\92faf357359eb2bc922f04111b1304a3aeeafbd2eace43ea5b9ead28adea461a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1304
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 264
    3⤵
    - Program crash
    PID:2592

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/1304-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1304-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1304-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1304-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1304-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1304-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download