efd20e9a04a2481d59a0813921e8298119914bd7d5f3d71fb6c90b836a65f85d

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 01:17

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General

Target

efd20e9a04a2481d59a0813921e8298119914bd7d5f3d71fb6c90b836a65f85d.dll
Size

76KB
MD5

12a1cd79efaa37883503686ce219aa88
SHA1

6a0b0d0df54d6b4deff75c06c0304817472ba88f
SHA256

efd20e9a04a2481d59a0813921e8298119914bd7d5f3d71fb6c90b836a65f85d
SHA512

a401610ad955a3110b24179b8510f7224f764cbd97dbfc89bef48f8afa3a5038e039ec20326e97338f46df41c4760b41e1cefcc44538a98fddf9e3c9c6d0c6b2
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Ze:c8y93KQjy7G55riF1cMo034

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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2768-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2768-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2768-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2768-4-0x0000000010000000-0x0000000010030000-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
2768	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2768	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\efd20e9a04a2481d59a0813921e8298119914bd7d5f3d71fb6c90b836a65f85d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\efd20e9a04a2481d59a0813921e8298119914bd7d5f3d71fb6c90b836a65f85d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2768

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/2768-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2768-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2768-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2768-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2768-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download