c758f7c90fd27062a5510152bd9c2268e240f4fa44cfd78bb28c8fcc74e2a083

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-02-2025 23:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c758f7c90fd27062a5510152bd9c2268e240f4fa44cfd78bb28c8fcc74e2a083.dll
Size

76KB
MD5

43a026d568758413cd03493e91ce4708
SHA1

81fff1d389d64c600971836919b8d331c3a40291
SHA256

c758f7c90fd27062a5510152bd9c2268e240f4fa44cfd78bb28c8fcc74e2a083
SHA512

7998dfb5e28ba693c248feb73bd63b3ebb14cc0aab6eb2474200f93be8b7e0cbfff30446e52354e0eaf294cd84a56c9b72adc4e6850daaf134cb968585a9c060
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZKW5Xr:c8y93KQjy7G55riF1cMo03wqb

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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2860-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2860-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2860-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2860-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2860-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2912	2860	WerFault.exe	30

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	2860	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 2860 wrote to memory of 2912	2860	rundll32.exe	31
PID 2860 wrote to memory of 2912	2860	rundll32.exe	31
PID 2860 wrote to memory of 2912	2860	rundll32.exe	31
PID 2860 wrote to memory of 2912	2860	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c758f7c90fd27062a5510152bd9c2268e240f4fa44cfd78bb28c8fcc74e2a083.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c758f7c90fd27062a5510152bd9c2268e240f4fa44cfd78bb28c8fcc74e2a083.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 332
    3⤵
    - Program crash
    PID:2912

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

Loading Replay Monitor...

Downloads

memory/2860-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2860-4-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2860-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2860-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2860-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2860-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download