fc3bef7b28e5a8e70214d89af22a3be3d1236a3a47a1f1c498c26274a9bdf692

General

Target
2026-10-26_f0249b5fc354b7d3972d164f2fcbee14_cryptolocker_elex.exe
Size 46KB
Sample261027-dal6mah13x
SHA256 fc3bef7b28e5a8e70214d89af22a3be3d1236a3a47a1f1c498c26274a9bdf692
MD5 f0249b5fc354b7d3972d164f2fcbee14
SHA1 59b88cd923210cb2455443d33f1daed67f9e6f9d
SHA512 dcfed0a01ce55bc2dc89def29baab199bd53c182afd5f662d297c1d10dfe49e28c3f7f7ba05c8e58863be55df37138a96ad2e4a1e04dc4bf6e5ab5586892df72
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzOM+O90Nd:Z6QFElP6n+gMQMOtEvwDpjyaYaFAvCud
TLSH
T1462331395FD51972E7B7CAB685F786C3B926B8233922890D50CE27014D33B42EDA1D1E
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/0x000a00000001b2cb-11.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000a00000001b2cb-11.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
5624	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	asih.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	asih.exe

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	2026-10-26_f0249b5fc354b7d3972d164f2fcbee14_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 924 wrote to memory of 5624	924	2026-10-26_f0249b5fc354b7d3972d164f2fcbee14_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-26_f0249b5fc354b7d3972d164f2fcbee14_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-26_f0249b5fc354b7d3972d164f2fcbee14_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:924
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  PID:5624

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

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 46KB
SHA256 9fa2896cd580190524568f9043965324d8dc717b600be8f6a03cd46a39d4188d
MD5 d68cacb9bd21e47f643c702c4524163b
SHA1 4aba179e9723e31c425be72ecb0a4a232aad1a0e
SHA512 532badbae73ed79d0dd9df4bfdcd24e67abc76fc9bc7af9ec7203019fda4cc27a4c300f1bccec181a3988f0523e704748404a765da2897fbf99ff74d758036b9
SSDEEP 768:Z6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzOM+O90N0:Z6QFElP6n+gMQMOtEvwDpjyaYaFAvCu0
TLSH
T1942331395FD51972E3B7CAB685F786C3B926B8233922890D50CE27014D33B46EDA1D1E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

asihed.exe

Path C:\Users\Admin\AppData\Local\Temp\asihed.exe
Size 5KB
SHA256 0fd12eef7fdcdcd6b3d45c0f81000c9f545878fa9428a6d2766f54d62ec0734b
MD5 9b5acf424472474e37572d30edb02b42
SHA1 b37b36717d4fd53ddf33a33a74f5852444898873
SHA512 6fb21cd2c2fc85754deb58e8668b2c0529ad4165bf2834be352c0e178b797d275c51b7169799bb5ff300c13b270feae1eeff5609d36a6a8eee8b388f192165b5
SSDEEP 96:PNy/fjtoXZzIEb0EaW87cfCEmw7fN2Mgh7ZnN2tBOffVIYzueh80ymw:PNetkCBOFR2Mgh9nMBKbyOVw
TLSH
T17BB15DA3F931A012577A7FEE28F2B39C8021765D7B0180D9D5A6CD9CB7CEFCA8056184
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/924-0-0x0000000000890000-0x0000000000896000-memory.dmp

Download

memory/924-1-0x0000000000890000-0x0000000000896000-memory.dmp

Download

memory/924-2-0x00000000008C0000-0x00000000008C6000-memory.dmp

Download

memory/5624-18-0x0000000002260000-0x0000000002266000-memory.dmp

Download

memory/5624-24-0x00000000021B0000-0x00000000021B6000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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