4aa884174ed83696f1f1efd43d8d370a673451c7692cc67c4a925c541e5471c1

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 13:22

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General

Target

4aa884174ed83696f1f1efd43d8d370a673451c7692cc67c4a925c541e5471c1N.dll
Size

76KB
MD5

eb6dad41596e53e80206faf9b79c4f10
SHA1

14385a6376e264245e9a762647cea1b205f12bdf
SHA256

4aa884174ed83696f1f1efd43d8d370a673451c7692cc67c4a925c541e5471c1
SHA512

82334d1fb8e2caf962f8c9eadc0f6474102d6b03527b5456ec85d89aa304fc351de33f7a8946acdf1c63e18208188c9db996a2125700164e93c3ce6f653b77b7
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZwH++HH:c8y93KQjy7G55riF1cMo03o+eH

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/2160-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2160-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2160-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2160-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2160-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2708	2160	WerFault.exe	30

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	2160	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2160	2644	rundll32.exe	30
PID 2644 wrote to memory of 2160	2644	rundll32.exe	30
PID 2644 wrote to memory of 2160	2644	rundll32.exe	30
PID 2644 wrote to memory of 2160	2644	rundll32.exe	30
PID 2644 wrote to memory of 2160	2644	rundll32.exe	30
PID 2644 wrote to memory of 2160	2644	rundll32.exe	30
PID 2644 wrote to memory of 2160	2644	rundll32.exe	30
PID 2160 wrote to memory of 2708	2160	rundll32.exe	31
PID 2160 wrote to memory of 2708	2160	rundll32.exe	31
PID 2160 wrote to memory of 2708	2160	rundll32.exe	31
PID 2160 wrote to memory of 2708	2160	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4aa884174ed83696f1f1efd43d8d370a673451c7692cc67c4a925c541e5471c1N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4aa884174ed83696f1f1efd43d8d370a673451c7692cc67c4a925c541e5471c1N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 272
    3⤵
    - Program crash
    PID:2708

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/2160-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2160-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2160-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2160-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2160-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2160-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download