875a2255c34959615811ad709441f430a9095657c5d88eac3f0a5c348c129e13

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 00:29

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General

Target

875a2255c34959615811ad709441f430a9095657c5d88eac3f0a5c348c129e13.dll
Size

76KB
MD5

aa4a92213fb24af3637f3471d3026856
SHA1

c0bdb4d749cc769c7624179c292a40f933de5863
SHA256

875a2255c34959615811ad709441f430a9095657c5d88eac3f0a5c348c129e13
SHA512

fcaca8d9dc326a2650aa866cd9870f20919350775e5b461ad1c9507d94ed4a568acdba90eecb52777a872e9159df828db19935614801d6250702f44da8ca7a08
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZmqK/fmrf2s:c8y93KQjy7G55riF1cMo03ZK/o

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/2472-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2472-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4380	2472	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	2472	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 2472	4332	rundll32.exe	82
PID 4332 wrote to memory of 2472	4332	rundll32.exe	82
PID 4332 wrote to memory of 2472	4332	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\875a2255c34959615811ad709441f430a9095657c5d88eac3f0a5c348c129e13.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4332
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\875a2255c34959615811ad709441f430a9095657c5d88eac3f0a5c348c129e13.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2472
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 708
    3⤵
    - Program crash
    PID:4380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2472 -ip 2472
1⤵
PID:5032

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/2472-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2472-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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