aaccf053c9e763c8ed64c77a9c607d0013205a80f3f1394b4a9e7ae12d0cb811

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 08:41

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General

Target

aaccf053c9e763c8ed64c77a9c607d0013205a80f3f1394b4a9e7ae12d0cb811N.dll
Size

76KB
MD5

40a2e71fa921adc41086e4a7fe2d6b20
SHA1

b470d8823faf49e0e1b16db913e25876d163706c
SHA256

aaccf053c9e763c8ed64c77a9c607d0013205a80f3f1394b4a9e7ae12d0cb811
SHA512

b80329a6f6c97cef58c6583057000ee2d1c4de12bc71c402c55e5703a7c4e3c93e68dd6a4ce61f1ae8eb58168befb67758078eda2ee8bee26a974fcf5ced70ac
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zx4eJOMn7q:c8y93KQjy7G55riF1cMo03XJJOuq

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2112-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2112-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2112-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2304	2112	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	2112	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2112	1680	rundll32.exe	30
PID 1680 wrote to memory of 2112	1680	rundll32.exe	30
PID 1680 wrote to memory of 2112	1680	rundll32.exe	30
PID 1680 wrote to memory of 2112	1680	rundll32.exe	30
PID 1680 wrote to memory of 2112	1680	rundll32.exe	30
PID 1680 wrote to memory of 2112	1680	rundll32.exe	30
PID 1680 wrote to memory of 2112	1680	rundll32.exe	30
PID 2112 wrote to memory of 2304	2112	rundll32.exe	31
PID 2112 wrote to memory of 2304	2112	rundll32.exe	31
PID 2112 wrote to memory of 2304	2112	rundll32.exe	31
PID 2112 wrote to memory of 2304	2112	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aaccf053c9e763c8ed64c77a9c607d0013205a80f3f1394b4a9e7ae12d0cb811N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aaccf053c9e763c8ed64c77a9c607d0013205a80f3f1394b4a9e7ae12d0cb811N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 308
    3⤵
    - Program crash
    PID:2304

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/2112-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2112-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2112-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download