923d4722a1aedc855e01acef023e0cb816e5786c611b8efee9f4440bebd0782f

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 00:35

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General

Target

923d4722a1aedc855e01acef023e0cb816e5786c611b8efee9f4440bebd0782fN.dll
Size

76KB
MD5

952ba10480271f13dfb29787b2b8b300
SHA1

d6ce6c04861b4020a7502cb39a8fc8153018dd5a
SHA256

923d4722a1aedc855e01acef023e0cb816e5786c611b8efee9f4440bebd0782f
SHA512

3b14a9e5b6c880865ac873b4df90f1461a5a8d55547893790bc3763c740e42058164812c98f0285c8018f1c1bf1f472d4c42cf37cacc68e6299278cc3be0f46d
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zqf6:c8y93KQjy7G55riF1cMo03gf6

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
behavioral2/memory/736-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/736-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1728	736	WerFault.exe	83

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	736	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 736	4984	rundll32.exe	83
PID 4984 wrote to memory of 736	4984	rundll32.exe	83
PID 4984 wrote to memory of 736	4984	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\923d4722a1aedc855e01acef023e0cb816e5786c611b8efee9f4440bebd0782fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\923d4722a1aedc855e01acef023e0cb816e5786c611b8efee9f4440bebd0782fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 704
    3⤵
    - Program crash
    PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 736 -ip 736
1⤵
PID:1972

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/736-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/736-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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