33a80aa407615a5af203d31e1f1ee91df044220933e67d68be910bcb7ce9bb72

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 05:12

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General

Target

33a80aa407615a5af203d31e1f1ee91df044220933e67d68be910bcb7ce9bb72N.dll
Size

76KB
MD5

692c8a067d06b2d1feaac7c996d45480
SHA1

12fc318d9ac7238885c335a6c1ea48076a1a6ae6
SHA256

33a80aa407615a5af203d31e1f1ee91df044220933e67d68be910bcb7ce9bb72
SHA512

a76ceadea278583a24f4c067040dd9fe7b74195428290b07c8891c780ee3e22ea1789ac8f61bdec15c78097aa9666d8a3e59f5bda77f872a8c4e2f9e9849858f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZZHfj:c8y93KQjy7G55riF1cMo03n/j

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/2240-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2240-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2240-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2240-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3056	2240	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	2240	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 2240	800	rundll32.exe	28
PID 800 wrote to memory of 2240	800	rundll32.exe	28
PID 800 wrote to memory of 2240	800	rundll32.exe	28
PID 800 wrote to memory of 2240	800	rundll32.exe	28
PID 800 wrote to memory of 2240	800	rundll32.exe	28
PID 800 wrote to memory of 2240	800	rundll32.exe	28
PID 800 wrote to memory of 2240	800	rundll32.exe	28
PID 2240 wrote to memory of 3056	2240	rundll32.exe	29
PID 2240 wrote to memory of 3056	2240	rundll32.exe	29
PID 2240 wrote to memory of 3056	2240	rundll32.exe	29
PID 2240 wrote to memory of 3056	2240	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\33a80aa407615a5af203d31e1f1ee91df044220933e67d68be910bcb7ce9bb72N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\33a80aa407615a5af203d31e1f1ee91df044220933e67d68be910bcb7ce9bb72N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 328
    3⤵
    - Program crash
    PID:3056

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/2240-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2240-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2240-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2240-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download