1a56d7cfcd46c787788791dc361334deab68d4cfa4c28e6db7421276a33a883f

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 09:30

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General

Target

1a56d7cfcd46c787788791dc361334deab68d4cfa4c28e6db7421276a33a883fN.dll
Size

203KB
MD5

12c7eb695446596a11feb87baa191c50
SHA1

446830751cd4d7d9ac27664f4b2d56056dd3bbbe
SHA256

1a56d7cfcd46c787788791dc361334deab68d4cfa4c28e6db7421276a33a883f
SHA512

e5a7169f1a7c073bf4cf737b0e0e9246ea5fb1b6154d47fcdecb4e7f5055ee18e692882d24f175994d9298eec67dcf584bbb05c12c511198bfe50d459cbf237e
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viM2MKS:0kmCaiEoFEd+FYOtxmdeviMl

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/4076-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4076-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2424	4076	WerFault.exe	84

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	4076	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 4076	5004	rundll32.exe	84
PID 5004 wrote to memory of 4076	5004	rundll32.exe	84
PID 5004 wrote to memory of 4076	5004	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a56d7cfcd46c787788791dc361334deab68d4cfa4c28e6db7421276a33a883fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a56d7cfcd46c787788791dc361334deab68d4cfa4c28e6db7421276a33a883fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 704
    3⤵
    - Program crash
    PID:2424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4076 -ip 4076
1⤵
PID:2108

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/4076-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/4076-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download