a7d04878e9e2145b6de2ee2d246d581582a4bc9ad8c9e0568efacbaae631df6a

Analysis

max time kernel
15s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 23:36

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General

Target

a7d04878e9e2145b6de2ee2d246d581582a4bc9ad8c9e0568efacbaae631df6aN.dll
Size

76KB
MD5

575ea6ec8d80eeeb09d7e70dbf46e8f0
SHA1

07f07e578eff176b91aad2b7200d9fff3aa6fb46
SHA256

a7d04878e9e2145b6de2ee2d246d581582a4bc9ad8c9e0568efacbaae631df6a
SHA512

35785e0289253a8187d5b69dcf8005b863708f1b55d44ed1a0b74015831fe7756e3206aa21cb44404ea3348b129765c2c8163adecf7bf99e48320b4ba05ecce6
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z45cTO:c8y93KQjy7G55riF1cMo03kcTO

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/2584-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2584-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2584-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2584-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2584-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2620	2584	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	2584	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2584	2064	rundll32.exe	30
PID 2064 wrote to memory of 2584	2064	rundll32.exe	30
PID 2064 wrote to memory of 2584	2064	rundll32.exe	30
PID 2064 wrote to memory of 2584	2064	rundll32.exe	30
PID 2064 wrote to memory of 2584	2064	rundll32.exe	30
PID 2064 wrote to memory of 2584	2064	rundll32.exe	30
PID 2064 wrote to memory of 2584	2064	rundll32.exe	30
PID 2584 wrote to memory of 2620	2584	rundll32.exe	31
PID 2584 wrote to memory of 2620	2584	rundll32.exe	31
PID 2584 wrote to memory of 2620	2584	rundll32.exe	31
PID 2584 wrote to memory of 2620	2584	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7d04878e9e2145b6de2ee2d246d581582a4bc9ad8c9e0568efacbaae631df6aN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7d04878e9e2145b6de2ee2d246d581582a4bc9ad8c9e0568efacbaae631df6aN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 336
    3⤵
    - Program crash
    PID:2620

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/2584-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2584-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2584-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2584-3-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2584-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2584-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download