d99fbb2d8bbcfaeb5fafe5c53013ce1307bc18555af6a40ffa9dcb3d1ab1d99c

Analysis

max time kernel
148s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 11:00

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General

Target
d99fbb2d8bbcfaeb5fafe5c53013ce1307bc18555af6a40ffa9dcb3d1ab1d99c.exe
Size 519KB
Sample260810-m4es3sstat
SHA256 d99fbb2d8bbcfaeb5fafe5c53013ce1307bc18555af6a40ffa9dcb3d1ab1d99c
MD5 771588a33686f4d1eb4d106034d6f2bc
SHA1 5e747337170734d586c9aa981a20c5f7dc2afea3
SHA512 1b3c3366b6216756bf4b8dd569075e025109b968a20da26e7fd92e709e1201723b715742df68b34982a56f6f73bfd43e9c106bd329bbc987791204f54119a459
SSDEEP 6144:F+HMS31cSGob7UBaLNzChoLKpjhFEirScEOkCybEaQRXr9HNdvOa:F+3OS1oapzChoLKpZYOkx2LIa
TLSH
T102B47D2AF6A0D036C4B796B5C4A246A6FFB1742237204ACFA79047561F637D2BE3530D
MD5 SHA1 SHA512 SSDEEP TLSH

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/2028-0-0x0000000000640000-0x00000000006CA000-memory.dmp	upx
behavioral2/memory/2028-1-0x0000000000640000-0x00000000006CA000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1100	2028	WerFault.exe	87

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	d99fbb2d8bbcfaeb5fafe5c53013ce1307bc18555af6a40ffa9dcb3d1ab1d99c.exe

C:\Users\Admin\AppData\Local\Temp\d99fbb2d8bbcfaeb5fafe5c53013ce1307bc18555af6a40ffa9dcb3d1ab1d99c.exe
"C:\Users\Admin\AppData\Local\Temp\d99fbb2d8bbcfaeb5fafe5c53013ce1307bc18555af6a40ffa9dcb3d1ab1d99c.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2028
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 492
  2⤵
  - Program crash
  PID:1100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2028 -ip 2028
1⤵
PID:5920

Network

MITRE ATT&CK Enterprise v16

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/2028-0-0x0000000000640000-0x00000000006CA000-memory.dmp

Download

memory/2028-1-0x0000000000640000-0x00000000006CA000-memory.dmp