b351a8fd0b83e77e7c359d8ed4215f21ef25deafa8be10e6a4aa42ac4a9e0869

Analysis

max time kernel
19s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 13:06

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General

Target

b351a8fd0b83e77e7c359d8ed4215f21ef25deafa8be10e6a4aa42ac4a9e0869.dll
Size

76KB
MD5

8a7f8197849c53f6d25d27023bc8d89d
SHA1

8ff1e8e828263715271a2fb435746dd4a0c897ae
SHA256

b351a8fd0b83e77e7c359d8ed4215f21ef25deafa8be10e6a4aa42ac4a9e0869
SHA512

6fbd94f87c0444b5d6007ed71a6401bbb8f53b2a5a167a406be9afdc88c8c24c33f21627912d3adb01691348af92058ae45e50b85c7caa47579715de22bfe2cb
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZmuTFp+Q8H:c8y93KQjy7G55riF1cMo034Q8H

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/2308-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2308-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2308-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2000	2308	WerFault.exe	28

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	2308	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2308	2292	rundll32.exe	28
PID 2292 wrote to memory of 2308	2292	rundll32.exe	28
PID 2292 wrote to memory of 2308	2292	rundll32.exe	28
PID 2292 wrote to memory of 2308	2292	rundll32.exe	28
PID 2292 wrote to memory of 2308	2292	rundll32.exe	28
PID 2292 wrote to memory of 2308	2292	rundll32.exe	28
PID 2292 wrote to memory of 2308	2292	rundll32.exe	28
PID 2308 wrote to memory of 2000	2308	rundll32.exe	29
PID 2308 wrote to memory of 2000	2308	rundll32.exe	29
PID 2308 wrote to memory of 2000	2308	rundll32.exe	29
PID 2308 wrote to memory of 2000	2308	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b351a8fd0b83e77e7c359d8ed4215f21ef25deafa8be10e6a4aa42ac4a9e0869.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b351a8fd0b83e77e7c359d8ed4215f21ef25deafa8be10e6a4aa42ac4a9e0869.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 308
    3⤵
    - Program crash
    PID:2000

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/2308-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2308-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2308-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download