398bbf5a789061bad3d7ef9a509729c2220a6f85a9a4b9f6b12e051898f7ba92

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
25-12-2024 21:54

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General

Target

398bbf5a789061bad3d7ef9a509729c2220a6f85a9a4b9f6b12e051898f7ba92.dll
Size

76KB
MD5

19bf57dc4ca7dfdc792d9dfe276cc4a3
SHA1

ea1570add8b24b12c223baa68e8c608ae64bb98f
SHA256

398bbf5a789061bad3d7ef9a509729c2220a6f85a9a4b9f6b12e051898f7ba92
SHA512

edfc27a2373c7f982a1891b46ea11592448dc91dbfd0b7dbb3765027b2968bf377ba2246133ee13bbd23c95c9493bd7941d9b4b8b7305f57f3cc47029141673d
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z87H3R:c8y93KQjy7G55riF1cMo03S7Hh

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

resource	yara_rule
behavioral1/memory/1720-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1720-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1720-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2068	1720	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	1720	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 1720 wrote to memory of 2068	1720	rundll32.exe	31
PID 1720 wrote to memory of 2068	1720	rundll32.exe	31
PID 1720 wrote to memory of 2068	1720	rundll32.exe	31
PID 1720 wrote to memory of 2068	1720	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\398bbf5a789061bad3d7ef9a509729c2220a6f85a9a4b9f6b12e051898f7ba92.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\398bbf5a789061bad3d7ef9a509729c2220a6f85a9a4b9f6b12e051898f7ba92.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 308
    3⤵
    - Program crash
    PID:2068

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/1720-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1720-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1720-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download