3dca1cd801a086ff684bc0c47aa9bd86cd128f39e0f40454fca09f61de391da0

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 21:54

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General

Target

3dca1cd801a086ff684bc0c47aa9bd86cd128f39e0f40454fca09f61de391da0.dll
Size

76KB
MD5

6a7a730ef7eaba8a4bfe4be18a80747a
SHA1

225c15aff7ce3c6c80db0eaf148c5e56fc7567de
SHA256

3dca1cd801a086ff684bc0c47aa9bd86cd128f39e0f40454fca09f61de391da0
SHA512

da427fc63c8cc102f5ac801c1adbff84191222517424199008818073a32ffe504913cefa5cbb01a1e05be78ec45fa42a4fac4c819fda14fc24884add21591359
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZK20Yel:c8y93KQjy7G55riF1cMo03I201

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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2320-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2320-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2320-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2320-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2320-4-0x0000000010000000-0x0000000010030000-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
2320	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2320	2100	rundll32.exe	30
PID 2100 wrote to memory of 2320	2100	rundll32.exe	30
PID 2100 wrote to memory of 2320	2100	rundll32.exe	30
PID 2100 wrote to memory of 2320	2100	rundll32.exe	30
PID 2100 wrote to memory of 2320	2100	rundll32.exe	30
PID 2100 wrote to memory of 2320	2100	rundll32.exe	30
PID 2100 wrote to memory of 2320	2100	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dca1cd801a086ff684bc0c47aa9bd86cd128f39e0f40454fca09f61de391da0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dca1cd801a086ff684bc0c47aa9bd86cd128f39e0f40454fca09f61de391da0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2320

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/2320-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2320-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2320-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2320-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2320-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download