be22a48b026b09a98750de13ace1a152844796716acdeebc25f8653d9b9e911d

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/08/2026, 04:37

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General

Target
2026-08-22_1b71172638503cca95cd1792afea9e44_cryptolocker_elex.exe
Size 37KB
Sample260822-e81x4svyc1
SHA256 be22a48b026b09a98750de13ace1a152844796716acdeebc25f8653d9b9e911d
MD5 1b71172638503cca95cd1792afea9e44
SHA1 da92ce5372ea96b46c0537aca59d6e6f3c30fd16
SHA512 9c581d9c233e1274f3a0927476a51d14f00a018c6033aae7eb2ef78b173f9342fec74b0e5640d37f832bb160c09de0360e87d208a6a27de0c1dde9701e1a5e32
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axc5:Z6QFElP6n+gMQMOtEvwDpjyaYaG5
TLSH
T13D0394366FC51AB2D7739AB185FB86C3B523BC2675328A0E50CE37054D33602A9A1D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery spyware trojan

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000016cdc-11.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000016cdc-11.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2216	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	2026-08-22_1b71172638503cca95cd1792afea9e44_cryptolocker_elex.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF	asih.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF\Blob = 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	asih.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2216	2948	2026-08-22_1b71172638503cca95cd1792afea9e44_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-22_1b71172638503cca95cd1792afea9e44_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-22_1b71172638503cca95cd1792afea9e44_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  PID:2216

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

asih.exe

Path C:\Users\Admin\AppData\Local\Temp\asih.exe
Size 38KB
SHA256 23369c21b91d73431a866bc1848a6026e5a745f928f77e9aeafc7a25e0cc82e5
MD5 60049604b42f939123b79e2385595bb7
SHA1 20328bf1ff120f4dddb8a0eb6ffb0553487960e4
SHA512 385c8e13ff6ce3b3b0eea7b6deff00341a049209d696a57953a54c82fde35078a02cd913f51110b296b1574296c35b440284c811245549957987b5452272a2b8
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axcb:Z6QFElP6n+gMQMOtEvwDpjyaYaGb
TLSH
T1090394366FC51AB2D773DAB185FB86C3B927BC2675328A0D50CE37054D33602A9A1D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2216-19-0x0000000000780000-0x0000000000786000-memory.dmp

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memory/2216-24-0x0000000000760000-0x0000000000766000-memory.dmp

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memory/2948-0-0x00000000021C0000-0x00000000021C6000-memory.dmp

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memory/2948-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

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memory/2948-2-0x00000000021E0000-0x00000000021E6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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