749bb62e50da22f25a6eccbe24ce8eb79d2233bb3e3d23e4297f92e0528f991f

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 22:59

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General

Target

749bb62e50da22f25a6eccbe24ce8eb79d2233bb3e3d23e4297f92e0528f991f.dll
Size

203KB
MD5

7f52395a7250044a0e64494e65fe6009
SHA1

cc89798d6d9d78b2e709c5f161c0a4f7994afc8b
SHA256

749bb62e50da22f25a6eccbe24ce8eb79d2233bb3e3d23e4297f92e0528f991f
SHA512

560cde760f6bc74d05f109b4133eec3b063bff22ffbd4e8f6d33aabaaf39e6e9e490fda071691efd0efab50f5593d00752b3906a94affac124deb0c8e260207e
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viMxEu:0kmCaiEoFEd+FYOtxmdeviMCu

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 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4560-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4560-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4504	4560	WerFault.exe	82

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	4560	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 4560	4496	rundll32.exe	82
PID 4496 wrote to memory of 4560	4496	rundll32.exe	82
PID 4496 wrote to memory of 4560	4496	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\749bb62e50da22f25a6eccbe24ce8eb79d2233bb3e3d23e4297f92e0528f991f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\749bb62e50da22f25a6eccbe24ce8eb79d2233bb3e3d23e4297f92e0528f991f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4560
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 716
    3⤵
    - Program crash
    PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4560 -ip 4560
1⤵
PID:4828

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/4560-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/4560-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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