53e26238de1c21b58f41bb1b93fd7d24c22d2bbc646ec0f7636b99bff94bf8bb

Analysis

max time kernel
148s
max time network
123s
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, 02:48

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General

Target
2026-07-23_54d3217992a559dc32173500fd37dfb6_cryptolocker_elex.exe
Size 97KB
Sample260723-dascmsfe73
SHA256 53e26238de1c21b58f41bb1b93fd7d24c22d2bbc646ec0f7636b99bff94bf8bb
MD5 54d3217992a559dc32173500fd37dfb6
SHA1 662a004f3fe03fe9f37be7251a93e3487d575322
SHA512 93dd900d9604bfed82e57448274c85e6c3fcc7e889c2f5f856bd5810e8b34815b7f217e1377aaab0f88dc2ca3492187f745329b4139a2e7dcee82edde5eb9d11
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpwEJ:Z6a+pOtEvwDpjtz6
TLSH
T12DA3C8356ED51973D7B786B1C5F786F3B822B8223A21894E50CAE7014933B46EDA1D0E
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/0x000700000001b871-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000001b871-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2668	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	2026-07-23_54d3217992a559dc32173500fd37dfb6_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 = 5c00000001000000040000008001000062000000010000002000000069729b8e15a86efc177a57afb7171dfc64add28c2fca8cf1507e34453ccb14700b000000010000001a0000004900530052004700200052006f006f0074002000580032000000090000000100000016000000301406082b0601050507030206082b060105050703011400000001000000140000007c4296aede4b483bfa92f89e8ccf6d8ba97237951d0000000100000010000000e3b494871af5dc80ac5089a40ec3c4c7030000000100000014000000bdb1b93cd5978d45c6261455f8db95c75ad153af20000000010000001f0200003082021b308201a1a003020102021041d29dd172eaeea780c12c6ce92f8752300a06082a8648ce3d040303304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205832301e170d3230303930343030303030305a170d3430303931373136303030305a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f742058323076301006072a8648ce3d020106052b8104002203620004cd9bd59f80830aec094af3164a3e5ccf77acde67050d1d07b6dc16fb5a8b14dbe27160c4ba459511898eea06dff72a161ca4b9c5c532e003e01e8218388bd745d80a6a6ee60077fb02517d22d80a6e9a5b77dff0fa41ec39dc75ca68070c1feaa3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e041604147c4296aede4b483bfa92f89e8ccf6d8ba9723795300a06082a8648ce3d040303036800306502307b794e465084c24487461b4570ff5899def4fda4d255a6202d74d634bc41a3505f012756b4be277506af122e75988dfc0231008bf5776cd4c865aae00b2cee149d2737a4f953a551e42983d7f890315b429f0af5feae0068e78c490fb66f5b5b15f2e7	asih.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2668	2808	2026-07-23_54d3217992a559dc32173500fd37dfb6_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-23_54d3217992a559dc32173500fd37dfb6_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-23_54d3217992a559dc32173500fd37dfb6_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- 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:2668

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 97KB
SHA256 15cfa1cdeb6f7a2c78f62aad905edb3cace403d6a720c1bfc2364d939b977f73
MD5 b4a4e6fad5a749db2e9f72acf8e72450
SHA1 b114daa5b9dfd1c94bf958e3c9956388790a3931
SHA512 548548275933d4d840b2b116e8ba23c631ae6bbb726f1fbb741e7fb2d4118e0cded50f9d0912d16f4f54ac333a55d020d612b714133588eae923da4b46e37b2c
SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpwEB:Z6a+pOtEvwDpjtza
TLSH
T16CA3C8356ED51973D7B7C6B1C5F786F3B822B8223A21894E50CAE7014933B46EDA1D0E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2668-18-0x00000000020D0000-0x00000000020D6000-memory.dmp

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memory/2668-24-0x00000000020B0000-0x00000000020B6000-memory.dmp

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memory/2808-0-0x0000000000720000-0x0000000000726000-memory.dmp

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memory/2808-1-0x0000000000720000-0x0000000000726000-memory.dmp

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memory/2808-2-0x0000000000740000-0x0000000000746000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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