b559db65a0646dd216b2aa0428156aea429c5d707e51cd45f9dbc84fe611e020

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 22:06

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General

Target

b559db65a0646dd216b2aa0428156aea429c5d707e51cd45f9dbc84fe611e020N.dll
Size

76KB
MD5

9c0d673403de6cde983fc6cc4ea25a00
SHA1

081be261efd5ab559b7c78b98384d0889083717f
SHA256

b559db65a0646dd216b2aa0428156aea429c5d707e51cd45f9dbc84fe611e020
SHA512

e7ed5185dfe7608945741de69d14a1268df58bf31a2e8c3798956ce9e266a954d8a5f003bb40772e15f36960faf36dd7129bf3734d56c8631684219e10f7b194
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZtCCr0z7:c8y93KQjy7G55riF1cMo03LU

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

Processes:

resource	yara_rule
behavioral1/memory/2092-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2092-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2092-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2160	2092	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description	pid	Process
Token: SeDebugPrivilege	2092	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2924 wrote to memory of 2092	2924	rundll32.exe	30
PID 2924 wrote to memory of 2092	2924	rundll32.exe	30
PID 2924 wrote to memory of 2092	2924	rundll32.exe	30
PID 2924 wrote to memory of 2092	2924	rundll32.exe	30
PID 2924 wrote to memory of 2092	2924	rundll32.exe	30
PID 2924 wrote to memory of 2092	2924	rundll32.exe	30
PID 2924 wrote to memory of 2092	2924	rundll32.exe	30
PID 2092 wrote to memory of 2160	2092	rundll32.exe	31
PID 2092 wrote to memory of 2160	2092	rundll32.exe	31
PID 2092 wrote to memory of 2160	2092	rundll32.exe	31
PID 2092 wrote to memory of 2160	2092	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b559db65a0646dd216b2aa0428156aea429c5d707e51cd45f9dbc84fe611e020N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b559db65a0646dd216b2aa0428156aea429c5d707e51cd45f9dbc84fe611e020N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 324
    3⤵
    - Program crash
    PID:2160

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/2092-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2092-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2092-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download