000c0f2d98f34779fcd35570af415c7a847a8f42f14b75167000c14f63ac1b75

Analysis

max time kernel
150s
max time network
131s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/08/2026, 10:40

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General

Target
2026-08-19_f1fc73a13a1699932fbd5d3b6ed88218_cryptolocker_elex.exe
Size 55KB
Sample260819-mqmlrssbqa
SHA256 000c0f2d98f34779fcd35570af415c7a847a8f42f14b75167000c14f63ac1b75
MD5 f1fc73a13a1699932fbd5d3b6ed88218
SHA1 a5f9ee0f6a84df12c20a53d001dfdcb74840a265
SHA512 13ddd0057bc0631840229b06ad17fa440bf97228333f502ebff2180c9bbb4af430b07edf5c8c4473328b97f3db84d77a8c82819de1ea50cfb4e8962170663664
SSDEEP 1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLY8Cu:X6a+SOtEvwDpjBrOb
TLSH
T1A4430D395ED51AB2D3B7DAB685F786C3B936B8237922990D50CE17400C33B16EDA1D0E
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/0x0007000000016cf1-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000016cf1-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
4208	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-19_f1fc73a13a1699932fbd5d3b6ed88218_cryptolocker_elex.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 4132 wrote to memory of 4208	4132	2026-08-19_f1fc73a13a1699932fbd5d3b6ed88218_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_f1fc73a13a1699932fbd5d3b6ed88218_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_f1fc73a13a1699932fbd5d3b6ed88218_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4132
- 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:4208

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 55KB
SHA256 1f3ae5c4551276447a30097770ceea28b9ee93b8c37b7f222e2d4c84b6a0d3c0
MD5 bf76c98bc7d2addc7326c41aa880f1de
SHA1 14cdb06e5e5464f62b473127c4f5d9fc0957983b
SHA512 d965d030ef665fde036ed20022d505d8808d8997523a87243dae0a6f7ff42f2fcaace807e4baaff7bb40e71874e2d307087ebd8eccd2ad622a80c8f14b856b55
SSDEEP 1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLY8C/:X6a+SOtEvwDpjBrOq
TLSH
T194430D395ED51AB2D3B7DAB685F786C3B936B8237922990D50CE17400C33B16EDA1D0E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4132-1-0x00000000007D0000-0x00000000007D6000-memory.dmp

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memory/4132-0-0x00000000007D0000-0x00000000007D6000-memory.dmp

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memory/4132-2-0x00000000021E0000-0x00000000021E6000-memory.dmp

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memory/4208-18-0x00000000006E0000-0x00000000006E6000-memory.dmp

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memory/4208-24-0x00000000006C0000-0x00000000006C6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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