2a0272e33b8f1e93f8895515275504e63d269d4eb69b40edbc0ed0f595b3b600

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 03:32

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General

Target

2a0272e33b8f1e93f8895515275504e63d269d4eb69b40edbc0ed0f595b3b600.dll
Size

76KB
MD5

43fd8e94fc4e279804c0ed055c2866a9
SHA1

59bbb34f4ac47c341d2009b322d63d8f4f621be5
SHA256

2a0272e33b8f1e93f8895515275504e63d269d4eb69b40edbc0ed0f595b3b600
SHA512

f759c3f108bfef49ac1b6d454b673da8510418c4e6d33cb45199929e57310f33f6fb45b22db4b4f2cb2e914a3d7bf81d605ace2b7096b4ff37ee3d7b75ac2600
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZBTJEoL8q:c8y93KQjy7G55riF1cMo035EoL8q

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/2776-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2776-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2776-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2776-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2860	2776	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	2776	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2776	2496	rundll32.exe	30
PID 2496 wrote to memory of 2776	2496	rundll32.exe	30
PID 2496 wrote to memory of 2776	2496	rundll32.exe	30
PID 2496 wrote to memory of 2776	2496	rundll32.exe	30
PID 2496 wrote to memory of 2776	2496	rundll32.exe	30
PID 2496 wrote to memory of 2776	2496	rundll32.exe	30
PID 2496 wrote to memory of 2776	2496	rundll32.exe	30
PID 2776 wrote to memory of 2860	2776	rundll32.exe	31
PID 2776 wrote to memory of 2860	2776	rundll32.exe	31
PID 2776 wrote to memory of 2860	2776	rundll32.exe	31
PID 2776 wrote to memory of 2860	2776	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a0272e33b8f1e93f8895515275504e63d269d4eb69b40edbc0ed0f595b3b600.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a0272e33b8f1e93f8895515275504e63d269d4eb69b40edbc0ed0f595b3b600.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 268
    3⤵
    - Program crash
    PID:2860

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/2776-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2776-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2776-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2776-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2776-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download