3c676d6c242ea5049d5af196d216d17355becc74aa714fbd5075e427dc37d88a

Analysis

max time kernel
140s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 22:02

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General

Target

3c676d6c242ea5049d5af196d216d17355becc74aa714fbd5075e427dc37d88a.dll
Size

76KB
MD5

8021cc8f54785ce91521fce505fef98d
SHA1

14f8c5fa0f17aed2a6d99d3466e3f291567f3440
SHA256

3c676d6c242ea5049d5af196d216d17355becc74aa714fbd5075e427dc37d88a
SHA512

78c016e2b14551f2a5776d1f26357f1ae2b5bba53120d985e3f0118297fcaa09e580b658bddd4e847cd6379165b8f6bf932bfee32ad7a93da81001a470121998
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZLCncCoI:c8y93KQjy7G55riF1cMo03xCnL

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/3160-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3160-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1984	3160	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	3160	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 3160	2704	rundll32.exe	83
PID 2704 wrote to memory of 3160	2704	rundll32.exe	83
PID 2704 wrote to memory of 3160	2704	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c676d6c242ea5049d5af196d216d17355becc74aa714fbd5075e427dc37d88a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c676d6c242ea5049d5af196d216d17355becc74aa714fbd5075e427dc37d88a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3160 -s 700
    3⤵
    - Program crash
    PID:1984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3160 -ip 3160
1⤵
PID:2952

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/3160-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3160-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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