e87a9d62aca989a0a810222da901bb0fe5d684b05e45706b2005fdbee90d9f26

Analysis

max time kernel
93s
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
22-12-2024 03:16

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General

Target

e87a9d62aca989a0a810222da901bb0fe5d684b05e45706b2005fdbee90d9f26N.dll
Size

76KB
MD5

3b55be761c2d59def06e1d694f7c55d0
SHA1

e238dc2e5167fc28541c8d84a5136d54770962cb
SHA256

e87a9d62aca989a0a810222da901bb0fe5d684b05e45706b2005fdbee90d9f26
SHA512

d34afdcebedfbbd281ba5a0dfe1bb1a2c3d1450caba8c003451707f9b8983e22994be72e5421c8a056c2c85400102d69c50583ccbe156cb4c085c9ab6a5932f0
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zwp1bfxN:c8y93KQjy7G55riF1cMo03UDn

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/1268-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1268-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1844	1268	WerFault.exe	83

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	1268	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 1268	876	rundll32.exe	83
PID 876 wrote to memory of 1268	876	rundll32.exe	83
PID 876 wrote to memory of 1268	876	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e87a9d62aca989a0a810222da901bb0fe5d684b05e45706b2005fdbee90d9f26N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e87a9d62aca989a0a810222da901bb0fe5d684b05e45706b2005fdbee90d9f26N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 712
    3⤵
    - Program crash
    PID:1844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1268 -ip 1268
1⤵
PID:1732

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/1268-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1268-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download