1047c69353545d9de98d0103aa79ea0fc0a3341471967ff35d7c5b172e3ba65d

Analysis

max time kernel
148s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
13/08/2026, 10:08

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General

Target
2026-08-13_2e6e93f031d1fef8d728e7512142ed77_cryptolocker_elex.exe
Size 37KB
Sample260813-l58bcaxbmb
SHA256 1047c69353545d9de98d0103aa79ea0fc0a3341471967ff35d7c5b172e3ba65d
MD5 2e6e93f031d1fef8d728e7512142ed77
SHA1 5f6976411b5986b8fdd03b5ed0aa3e61d6df7bd8
SHA512 d5ddb05d43263b400f9b8b1baaebd23b7fcda7efdc56454ce602291a8be273f3c7d20e0525850ca43f9bbc5c3cdfc5d287a8016d3f7bb8bc1435de12331b2675
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axq:Z6QFElP6n+gMQMOtEvwDpjyaYaI
TLSH
T1060394366FC51AB2D7739AB185FBC6C3B523BD2675318A0D50CE37054D33602A9A1D1E
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/0x000b000000016cdf-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000b000000016cdf-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
4104	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	2026-08-13_2e6e93f031d1fef8d728e7512142ed77_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 2420 wrote to memory of 4104	2420	2026-08-13_2e6e93f031d1fef8d728e7512142ed77_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-13_2e6e93f031d1fef8d728e7512142ed77_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-13_2e6e93f031d1fef8d728e7512142ed77_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- 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:4104

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 37KB
SHA256 1d2ac2c89d8b854af79f21da73a9a6ce7616153d153b3f53c0ec1b6a416a3746
MD5 0917a6b98096de0777e5efc97af097bc
SHA1 78cf54de169eaee1e5b4ed727501612166346a13
SHA512 fb131bba782939427c8851e2e7704b18fc6f73d0bdecbe3c0911db2d05b3068202c4b846ee7ab92070e49e60d660ace1a8afb4efb02c09cfebe00cfcb183cac2
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axH:Z6QFElP6n+gMQMOtEvwDpjyaYah
TLSH
T1300394366FC51AB2D773DAB185FB86C3B923BD2675328A0D50CE37054D33602A9A1D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2420-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

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memory/2420-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

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memory/2420-3-0x00000000021D0000-0x00000000021D6000-memory.dmp

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memory/4104-18-0x00000000021B0000-0x00000000021B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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