23e9f1302af5de6c17541ce3d9c7d311463519b86dd8b078b7b9b2b4b766f06d

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/08/2026, 02:16

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General

Target
2026-08-27_eff653296bae26fb6c89e43dca106f82_coinminer_cryptolocker_elex.exe
Size 196KB
Sample260828-cqldlabf27
SHA256 23e9f1302af5de6c17541ce3d9c7d311463519b86dd8b078b7b9b2b4b766f06d
MD5 eff653296bae26fb6c89e43dca106f82
SHA1 a08b1e150607f877e4aa86d0886696fcd255be5f
SHA512 4f9d7ba8483b6a6a75daa1113ef9621237f84c66ab9546e60070d88591cbdcdd41946447d4d0947cc445c773e0fd1881b4440f2a806a41a431de119f702e2390
SSDEEP 3072:s6x6a+8cSEOtEvwDpj66x6a+sSEOtEvwDpj:s6x6h8cB6x6hs
TLSH
T13A145BB3AA854C46CC832B7088BFCA13B24BBE5E127447C6754C361ADF32185E725D9E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery upx

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/memory/4580-0-0x0000000000500000-0x0000000000531000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/memory/4580-0-0x0000000000500000-0x0000000000531000-memory.dmp	CryptoLocker_set1

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral2/memory/4580-0-0x0000000000500000-0x0000000000531000-memory.dmp	UPX

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4580-0-0x0000000000500000-0x0000000000531000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3596	4580	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	2026-08-27_eff653296bae26fb6c89e43dca106f82_coinminer_cryptolocker_elex.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-27_eff653296bae26fb6c89e43dca106f82_coinminer_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-27_eff653296bae26fb6c89e43dca106f82_coinminer_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4580
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 256
  2⤵
  - Program crash
  PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4580 -ip 4580
1⤵
PID:5648

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

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Downloads

memory/4580-0-0x0000000000500000-0x0000000000531000-memory.dmp

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