66c3bcdcc4fa176d3e6f103a8c6d47953768a64f9c1e790828062f319023a94d

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/08/2026, 17:06

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General

Target
2026-08-08_e9e6fd18f6bdfa01a5171dfda3ad5ee9_cryptolocker_elex.exe
Size 67KB
Sample260808-vmqg9a1dmb
SHA256 66c3bcdcc4fa176d3e6f103a8c6d47953768a64f9c1e790828062f319023a94d
MD5 e9e6fd18f6bdfa01a5171dfda3ad5ee9
SHA1 9cbc92aa8f418c3183f8158a0742125e0805cdbf
SHA512 ef6516a91babff5529039fe3da7b1df7b7bc2cf97ec955a74d73fa15065adc868eaea3f5175c2675d02317ab948cb7719a8270b15e76ee9b9df713228836706e
SSDEEP 768:bYv9g/WItCSsAGmXWhaI9cZnIe9N0hunrknljKrCY1K3orW+/S:bYv9g/xtCSDx6A7f1rksrx1ZrW2S
TLSH
T1396353387FE51A72E337CAB685F691C2B935B8227907991D50CF53480833F56EDA1A0E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery spyware trojan

Malware Config

Signatures

Detection of CryptoLocker Variants 2 IoCs

resource	yara_rule
behavioral1/files/0x000800000002461d-13.dat	CryptoLocker_rule2
behavioral1/memory/4784-18-0x0000000000400000-0x000000000040C000-memory.dmp	CryptoLocker_rule2

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation	2026-08-08_e9e6fd18f6bdfa01a5171dfda3ad5ee9_cryptolocker_elex.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
4784	gewos.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	2026-08-08_e9e6fd18f6bdfa01a5171dfda3ad5ee9_cryptolocker_elex.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.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\8094640EB5A7A1CA119C1FDDD59F810263A7FBD1	gewos.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\8094640EB5A7A1CA119C1FDDD59F810263A7FBD1\Blob = 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	gewos.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 4784	1164	2026-08-08_e9e6fd18f6bdfa01a5171dfda3ad5ee9_cryptolocker_elex.exe	84

C:\Users\Admin\AppData\Local\Temp\2026-08-08_e9e6fd18f6bdfa01a5171dfda3ad5ee9_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_e9e6fd18f6bdfa01a5171dfda3ad5ee9_cryptolocker_elex.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  PID:4784

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

Query Registry

T1012

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

gewos.exe

Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
Size 67KB
SHA256 878ef8b9e26368e9e26cc056004642fe95c977f512a691078b08a3437adbb602
MD5 090f49dead7b96bd4e7089ecc861c8a1
SHA1 1aea1cdc8067c22e93552e1a403a240b3c535674
SHA512 8ef3d62ddb76c63ccfa592060f9c335b90493650c044c1c9b356724214b14985c68e5797b942006b51f436e039639fb7c7dc261304e9ef74684e00c66a833195
SSDEEP 768:bYv9g/WItCSsAGmXWhaI9cZnIe9N0hunrknljKrCY1K3orW+/8:bYv9g/xtCSDx6A7f1rksrx1ZrW28
TLSH
T1666363387FE51A72E337CAB685F691C2B935B8227907991D50CF53480833F56EDA1A0E
MD5 SHA1 SHA512 SSDEEP TLSH

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gewosik.exe

Path C:\Users\Admin\AppData\Local\Temp\gewosik.exe
Size 4B
SHA256 042aea10a0f14f2d391373599be69d53a75dde9951fc3d3cd10b6100aa7a9f24
MD5 6de9439834c9147569741d3c9c9fc010
SHA1 38170c08cb458fd4879c34b6f608294c50312bbb
SHA512 be665179a17ceb7800fa02e7f44c9bcac7cc2715057c3c9e534cac6346f65a71996850dcef24082ea70ad550bc390221d10b80512bfa1b5b9e390d68e69ac98a
MD5 SHA1 SHA512

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memory/1164-0-0x0000000000404000-0x0000000000405000-memory.dmp

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memory/1164-1-0x0000000002E90000-0x0000000002E96000-memory.dmp

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memory/1164-2-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/1164-3-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/4784-18-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/4784-27-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/4784-31-0x0000000000400000-0x000000000040C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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