c575b568b67047b74bb8741936cc86ffff2ea0ba58673f1b22ebf71d92dde283

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
26/12/2024, 12:31

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General

Target

c575b568b67047b74bb8741936cc86ffff2ea0ba58673f1b22ebf71d92dde283N.dll
Size

203KB
MD5

eebe21f16054dd095ed034d039a64c10
SHA1

a9cd7216644a8ed02a3f852847d896147b8d5e42
SHA256

c575b568b67047b74bb8741936cc86ffff2ea0ba58673f1b22ebf71d92dde283
SHA512

b24d887dd4b35952571fa2d374b4c2df8d5a4d8664214eab4b681009ed6d7d80119ec967e8c344baf6fa227f253062a070f53f3263ca93e6c444bf2cc38bbd27
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viMnE6:0kmCaiEoFEd+FYOtxmdeviM1

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/2604-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/2604-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3724	2604	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	2604	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 2604	4488	rundll32.exe	82
PID 4488 wrote to memory of 2604	4488	rundll32.exe	82
PID 4488 wrote to memory of 2604	4488	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c575b568b67047b74bb8741936cc86ffff2ea0ba58673f1b22ebf71d92dde283N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c575b568b67047b74bb8741936cc86ffff2ea0ba58673f1b22ebf71d92dde283N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 700
    3⤵
    - Program crash
    PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2604 -ip 2604
1⤵
PID:4940

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/2604-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/2604-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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