9d888f815b4981e4dce4c1902168819eed20ed8b24d6eb9e8611168f831aee4e

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 06:10

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General

Target

9d888f815b4981e4dce4c1902168819eed20ed8b24d6eb9e8611168f831aee4eN.dll
Size

76KB
MD5

b9c676ecbb14e279b739ffb6621bf570
SHA1

b682e361838a2d26ea312f3151e395cca58d30c2
SHA256

9d888f815b4981e4dce4c1902168819eed20ed8b24d6eb9e8611168f831aee4e
SHA512

c623b7f7f6b678a87886061fe86d754a738c27b8ae3ecdab86bae50b33067dfcdcedebc5078a66f89058c76bf776e3f465ab19dc80bad4380d3b1d7e72e51fd8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z4XPt0pu:c8y93KQjy7G55riF1cMo03qXOpu

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/1804-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1804-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1804-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1804-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1804-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2384	1804	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	1804	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 1804	2104	rundll32.exe	30
PID 2104 wrote to memory of 1804	2104	rundll32.exe	30
PID 2104 wrote to memory of 1804	2104	rundll32.exe	30
PID 2104 wrote to memory of 1804	2104	rundll32.exe	30
PID 2104 wrote to memory of 1804	2104	rundll32.exe	30
PID 2104 wrote to memory of 1804	2104	rundll32.exe	30
PID 2104 wrote to memory of 1804	2104	rundll32.exe	30
PID 1804 wrote to memory of 2384	1804	rundll32.exe	31
PID 1804 wrote to memory of 2384	1804	rundll32.exe	31
PID 1804 wrote to memory of 2384	1804	rundll32.exe	31
PID 1804 wrote to memory of 2384	1804	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d888f815b4981e4dce4c1902168819eed20ed8b24d6eb9e8611168f831aee4eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d888f815b4981e4dce4c1902168819eed20ed8b24d6eb9e8611168f831aee4eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 308
    3⤵
    - Program crash
    PID:2384

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/1804-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1804-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1804-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1804-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1804-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1804-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download