b383448606992ca7bdfba323105a95e6ec5c28b82beecd2697a5c47aac349075

Analysis

max time kernel
94s
max time network
95s
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, 23:57

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General

Target

b383448606992ca7bdfba323105a95e6ec5c28b82beecd2697a5c47aac349075N.dll
Size

76KB
MD5

dce17bd03b32a074b33ea88810119a50
SHA1

e160643a7fee879785be007121e0c3e497a9cb97
SHA256

b383448606992ca7bdfba323105a95e6ec5c28b82beecd2697a5c47aac349075
SHA512

4b3dd334725d4056d2b0dffac5b637220546dd4a0f786ee426ee92c67e9bc91b6005287ce84ddae2b6c1898b04f19f97c1b0fc75c86e425a3fb134034e6b5905
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zxd:c8y93KQjy7G55riF1cMo03F

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/4440-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4440-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2128	4440	WerFault.exe	84

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	4440	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 4440	4588	rundll32.exe	84
PID 4588 wrote to memory of 4440	4588	rundll32.exe	84
PID 4588 wrote to memory of 4440	4588	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b383448606992ca7bdfba323105a95e6ec5c28b82beecd2697a5c47aac349075N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b383448606992ca7bdfba323105a95e6ec5c28b82beecd2697a5c47aac349075N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4440
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 712
    3⤵
    - Program crash
    PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4440 -ip 4440
1⤵
PID:1012

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/4440-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4440-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download