85c5c5f84a369e81aa9a2339205db48b5dd422a0cbd7fb44d1142c34caf0dbd5

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
06-01-2025 22:50

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General

Target

85c5c5f84a369e81aa9a2339205db48b5dd422a0cbd7fb44d1142c34caf0dbd5.dll
Size

76KB
MD5

c1e7254aef834d4821201b000a286a6e
SHA1

20f6cd131e8a65ae2ede1d4d60d5b310f995809b
SHA256

85c5c5f84a369e81aa9a2339205db48b5dd422a0cbd7fb44d1142c34caf0dbd5
SHA512

c37d006b9065465fc47f8593ac5138b6523bd237ceeb4345df2d0f0ce805e742795ccda3b81e2139f05781dbd31215a6d537891b20ec0e16ee23ccb2df4fecd8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z81INz9:c8y93KQjy7G55riF1cMo03GK19

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3604-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3604-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4820	3604	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	3604	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 3604	1736	rundll32.exe	83
PID 1736 wrote to memory of 3604	1736	rundll32.exe	83
PID 1736 wrote to memory of 3604	1736	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\85c5c5f84a369e81aa9a2339205db48b5dd422a0cbd7fb44d1142c34caf0dbd5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\85c5c5f84a369e81aa9a2339205db48b5dd422a0cbd7fb44d1142c34caf0dbd5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 704
    3⤵
    - Program crash
    PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3604 -ip 3604
1⤵
PID:4048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/3604-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3604-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download