98ad3b49f0dec9436080fea99ec76a105071fdef22fff9fa869fe51e8f456fff

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/07/2026, 01:28

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General

Target
2026-07-22_fbc9c9af19fd7c7a77a324449335027a_cryptolocker_elex.exe
Size 83KB
Sample260723-bvs4kacl6t
SHA256 98ad3b49f0dec9436080fea99ec76a105071fdef22fff9fa869fe51e8f456fff
MD5 fbc9c9af19fd7c7a77a324449335027a
SHA1 218e31a91ee33408b137ee84addd2b1ac042892f
SHA512 1128a07e48342d29c575fed4d099757464bd7f2bca78ff63ac6b835c28d573db748307e55b2c227681496fb2030b8eff0ab17e9a2ffc772de94c84c9dc5b2ed6
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMm:Z6a+pOtEvwDpjtzB
TLSH
T147831A327EC54D63E9A387B1C9FBC2736413BD652731858F6489FB018E33686A661D0E
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/0x000d000000016cd6-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000d000000016cd6-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1184	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	2026-07-22_fbc9c9af19fd7c7a77a324449335027a_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 4068 wrote to memory of 1184	4068	2026-07-22_fbc9c9af19fd7c7a77a324449335027a_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-22_fbc9c9af19fd7c7a77a324449335027a_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-22_fbc9c9af19fd7c7a77a324449335027a_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4068
- 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:1184

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 84KB
SHA256 009e6b07b1ef6668008e3f665d72bf5fe224528e2ddb006a504e86770ae8c1ce
MD5 5900a8f2600728a9b0b5a9f570eb2da9
SHA1 2694a70a1aa514dd074247e1c39fa2865670252c
SHA512 c5fd72e71d2256d0ad7208d96d7c685b90f5c778f704cd690586e1be45ee0cd6529437c2fafe792fda0b34f4328d9eb2ed8e5e57b4ea551b284e57ebd1e34e10
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwM2:Z6a+pOtEvwDpjtz5
TLSH
T1E6831A327EC54D63E9A387B1C9FBC2736413BD652731858F6489FB018E33686A661D0E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1184-18-0x0000000002260000-0x0000000002266000-memory.dmp

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memory/1184-24-0x0000000000810000-0x0000000000816000-memory.dmp

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memory/4068-0-0x0000000002250000-0x0000000002256000-memory.dmp

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memory/4068-1-0x0000000002250000-0x0000000002256000-memory.dmp

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memory/4068-2-0x0000000002270000-0x0000000002276000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads