a0f1d53bd92bf0911c619faa9f80fbd0a6d492cd74564f1fcf15d968bfb49dfe

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 01:04

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General

Target

a0f1d53bd92bf0911c619faa9f80fbd0a6d492cd74564f1fcf15d968bfb49dfe.dll
Size

76KB
MD5

49da280c471fdca91b3ccd7f3ffa9f11
SHA1

6e1fecf8a5f6a5341ea5dcead2641baf7ae69f73
SHA256

a0f1d53bd92bf0911c619faa9f80fbd0a6d492cd74564f1fcf15d968bfb49dfe
SHA512

887818fba88a1b7eebf5cb2564fca36c2b160ee6dee58c5e428b79388f28aeb2fe5765648d2271159039b063f2e26df3d87a3fff00aace4651c2b2953652b8bc
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Ze1hH7:c8y93KQjy7G55riF1cMo03cR7

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/1620-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1620-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1620-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1620-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2092	1620	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	1620	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 2352 wrote to memory of 1620	2352	rundll32.exe	30
PID 1620 wrote to memory of 2092	1620	rundll32.exe	31
PID 1620 wrote to memory of 2092	1620	rundll32.exe	31
PID 1620 wrote to memory of 2092	1620	rundll32.exe	31
PID 1620 wrote to memory of 2092	1620	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0f1d53bd92bf0911c619faa9f80fbd0a6d492cd74564f1fcf15d968bfb49dfe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0f1d53bd92bf0911c619faa9f80fbd0a6d492cd74564f1fcf15d968bfb49dfe.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 304
    3⤵
    - Program crash
    PID:2092

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/1620-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1620-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1620-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1620-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download