f13da89995e3029aa75c858e44cfc7e8b76562de32acfe9a7c2b07796f8e6314

Analysis

max time kernel
148s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 07:47

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General

Target
2026-08-02_ebba23d223d9b5e04eb7d374f145d2d2_cryptolocker_elex.exe
Size 50KB
Sample260802-jmpeeavyex
SHA256 f13da89995e3029aa75c858e44cfc7e8b76562de32acfe9a7c2b07796f8e6314
MD5 ebba23d223d9b5e04eb7d374f145d2d2
SHA1 e5221fd643091029ed10100592b252d8c1d9305f
SHA512 f8366fec5b30dbd626d9ed8acdd22f68023fef8d29ee5555753123799d8ec59e71f9cceaaf2aaff5c899a6d5c79d0cde54c1803f7f48f5e8456622afe1872c0b
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm5oU3tuVCy:Z6QFElP6n+gMQMOtEvwDpjyaYaFAh5Ry
TLSH
T175331E395ED51A73E3B7CAB6C5F681C3B922B8233922990D50CE27414D33B52EDA1D1E
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/0x0009000000019ca4-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000019ca4-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
4936	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	2026-08-02_ebba23d223d9b5e04eb7d374f145d2d2_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 = 5c0000000100000004000000800100000f00000001000000300000008b04cf52924a57d8897c7fb00ad3105027a82f519893a39046aad97f048a8d002fcbc201ee1307e8327746b3df58578d62000000010000002000000069729b8e15a86efc177a57afb7171dfc64add28c2fca8cf1507e34453ccb14700b000000010000001a0000004900530052004700200052006f006f0074002000580032000000090000000100000016000000301406082b0601050507030206082b060105050703011400000001000000140000007c4296aede4b483bfa92f89e8ccf6d8ba97237951d0000000100000010000000e3b494871af5dc80ac5089a40ec3c4c7030000000100000014000000bdb1b93cd5978d45c6261455f8db95c75ad153af19000000010000001000000070d4f0bec2078234214bd651643b024020000000010000001f0200003082021b308201a1a003020102021041d29dd172eaeea780c12c6ce92f8752300a06082a8648ce3d040303304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205832301e170d3230303930343030303030305a170d3430303931373136303030305a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f742058323076301006072a8648ce3d020106052b8104002203620004cd9bd59f80830aec094af3164a3e5ccf77acde67050d1d07b6dc16fb5a8b14dbe27160c4ba459511898eea06dff72a161ca4b9c5c532e003e01e8218388bd745d80a6a6ee60077fb02517d22d80a6e9a5b77dff0fa41ec39dc75ca68070c1feaa3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e041604147c4296aede4b483bfa92f89e8ccf6d8ba9723795300a06082a8648ce3d040303036800306502307b794e465084c24487461b4570ff5899def4fda4d255a6202d74d634bc41a3505f012756b4be277506af122e75988dfc0231008bf5776cd4c865aae00b2cee149d2737a4f953a551e42983d7f890315b429f0af5feae0068e78c490fb66f5b5b15f2e7	asih.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 4936	2380	2026-08-02_ebba23d223d9b5e04eb7d374f145d2d2_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_ebba23d223d9b5e04eb7d374f145d2d2_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_ebba23d223d9b5e04eb7d374f145d2d2_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- 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:4936

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 50KB
SHA256 6ffabc8001d752031b01efbba18ce369cc2aec175ab5b578a8706c680b3f0f3d
MD5 54a066c19695efe659b3fe34430b092e
SHA1 b2d39d34be2a2d52bd60afdebfe0dd7746a2a38f
SHA512 10d972ecb642939f839923140d1c625c33776a2de7b3617016437be9c0e2d53137454d3fa2f1428180420ae724050738f00e8345b3fb4613604b06d637b1b5ce
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm5oU3tuVCl:Z6QFElP6n+gMQMOtEvwDpjyaYaFAh5Rl
TLSH
T114331E395ED51A73E3B7CAB685F681C3B922B8233922990D50CE27414D33B52FDA1D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2380-0-0x0000000002240000-0x0000000002246000-memory.dmp

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memory/2380-1-0x0000000002240000-0x0000000002246000-memory.dmp

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memory/2380-2-0x0000000002260000-0x0000000002266000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads