7acac5e25e3ed7772193745731dc4034aacc23cef7e6188886546c92c77ebaf0

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 16:08

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General

Target

7acac5e25e3ed7772193745731dc4034aacc23cef7e6188886546c92c77ebaf0N.dll
Size

76KB
MD5

dfdfb66e09928ee8d5cbee7e66cde660
SHA1

2ecd8ed89021557f93c8749687a2e18e9520fa00
SHA256

7acac5e25e3ed7772193745731dc4034aacc23cef7e6188886546c92c77ebaf0
SHA512

387d8077dd80342cf4aa08240a44090e4e671448cced72d4cb43efea1bf0c3d8a9ceb0765e2e23a4dac4dc5d1f2cc83f42d9dd2ab01eb27a5d19d450171a3c32
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZUlDZ6C:c8y93KQjy7G55riF1cMo03gDZ6C

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/2432-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2432-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2432-3-0x0000000010000000-0x0000000010030000-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
2432	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2432	2676	rundll32.exe	30
PID 2676 wrote to memory of 2432	2676	rundll32.exe	30
PID 2676 wrote to memory of 2432	2676	rundll32.exe	30
PID 2676 wrote to memory of 2432	2676	rundll32.exe	30
PID 2676 wrote to memory of 2432	2676	rundll32.exe	30
PID 2676 wrote to memory of 2432	2676	rundll32.exe	30
PID 2676 wrote to memory of 2432	2676	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7acac5e25e3ed7772193745731dc4034aacc23cef7e6188886546c92c77ebaf0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7acac5e25e3ed7772193745731dc4034aacc23cef7e6188886546c92c77ebaf0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2432

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/2432-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2432-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2432-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2432-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download