1f07b4dd8e24c4bf7a4b9fb0a87784cd81c86dc057296e30087c51264c408ccb

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 20:54

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General

Target

1f07b4dd8e24c4bf7a4b9fb0a87784cd81c86dc057296e30087c51264c408ccbN.dll
Size

76KB
MD5

b4f5408d57ba3a05bf7bbe4c11a00df0
SHA1

bf916871922de821e58c46257f95c676a600ec59
SHA256

1f07b4dd8e24c4bf7a4b9fb0a87784cd81c86dc057296e30087c51264c408ccb
SHA512

247610b50b830d611c5e3456e4e6e381e58489521aff86cc314e0bc6977f92b754940974399c3425c48cd8fac8c79e6248eee6c96f8c7262171abfb662993444
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZRL:c8y93KQjy7G55riF1cMo03jL

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
behavioral1/memory/2820-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2820-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
2820	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2820	2808	rundll32.exe	30
PID 2808 wrote to memory of 2820	2808	rundll32.exe	30
PID 2808 wrote to memory of 2820	2808	rundll32.exe	30
PID 2808 wrote to memory of 2820	2808	rundll32.exe	30
PID 2808 wrote to memory of 2820	2808	rundll32.exe	30
PID 2808 wrote to memory of 2820	2808	rundll32.exe	30
PID 2808 wrote to memory of 2820	2808	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f07b4dd8e24c4bf7a4b9fb0a87784cd81c86dc057296e30087c51264c408ccbN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f07b4dd8e24c4bf7a4b9fb0a87784cd81c86dc057296e30087c51264c408ccbN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2820

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/2820-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2820-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2820-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download