e38c4c3b91693889e2f575743b2c2e875d05d46004dcb040da8fa183b1576bb3

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
21-12-2024 22:31

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General

Target

e38c4c3b91693889e2f575743b2c2e875d05d46004dcb040da8fa183b1576bb3N.dll
Size

76KB
MD5

a57f50949fd36d6bd1028a33da0a8de0
SHA1

566c8a16b493865608e3b3a6456806af5681b370
SHA256

e38c4c3b91693889e2f575743b2c2e875d05d46004dcb040da8fa183b1576bb3
SHA512

5544c447a46055b8823ccbe34b94c26e86f6aa3732569044f76dde4021829f3b482f9640cff755be1181047ea76f67ca4c91e073017d1b14069f84e699e6ec78
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z4YCk:c8y93KQjy7G55riF1cMo03Ofk

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/2376-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2376-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2376-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2376-4-0x0000000010000000-0x0000000010030000-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
2376	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e38c4c3b91693889e2f575743b2c2e875d05d46004dcb040da8fa183b1576bb3N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e38c4c3b91693889e2f575743b2c2e875d05d46004dcb040da8fa183b1576bb3N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2376

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/2376-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2376-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2376-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2376-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2376-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download