92a8c43979e549f6b4f4376d652375ce1caf8908f437c9a9ac5fe509a8f08994

Analysis

max time kernel
148s
max time network
114s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/08/2026, 09:54

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General

Target
2026-08-07_b7e43181cd7b57294e0cb77c1f66fad2_cryptolocker_elex.exe
Size 51KB
Sample260807-lxedasbn21
SHA256 92a8c43979e549f6b4f4376d652375ce1caf8908f437c9a9ac5fe509a8f08994
MD5 b7e43181cd7b57294e0cb77c1f66fad2
SHA1 d5092bf45b87fdaa591f89e9398a631071331214
SHA512 70e7c0ac4afac686cc7b85845080b6403250768461bf3332f4c11dcffdc779b2a70ffcc7993af76302f01274035a22d2d9b87aafe16858ba8fa9a78d5919b669
SSDEEP 768:bLu9g/WItCSsAGjX4dDCcSile9N0hunRvvEpEjceT:bLu9g/xtCSKs1kf1Zs6
TLSH
T1E23363387FE55A72E337C5B645F7A1C2B936B8327917891D91CAA3490533B42ECA0A0D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery spyware trojan

Malware Config

Signatures

Detection of CryptoLocker Variants 3 IoCs

resource	yara_rule
behavioral2/files/0x000900000001b312-13.dat	CryptoLocker_rule2
behavioral2/memory/1256-20-0x0000000000400000-0x000000000040C000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/1256-22-0x0000000000400000-0x000000000040C000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1256	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	2026-08-07_b7e43181cd7b57294e0cb77c1f66fad2_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 964 wrote to memory of 1256	964	2026-08-07_b7e43181cd7b57294e0cb77c1f66fad2_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-07_b7e43181cd7b57294e0cb77c1f66fad2_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_b7e43181cd7b57294e0cb77c1f66fad2_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:964
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  PID:1256

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

gewos.exe

Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
Size 51KB
SHA256 a394eb0d0610dc37733b8ab071325c56b589dcedd3da18c4fc6161f89e2ce558
MD5 e08eeb932ce21f53ea03e7c0ca938d8c
SHA1 6ab80927a96e9eaba4ac99d145d46c0891ca39cb
SHA512 bc463df3fbcc1c7c13179ffdc3782fd6fdd6c1f407a063d70e385420dcc1d78680df8c664f7aa5777944b702f05a73dd3ba504afac3b2de716bfcbf95d299bda
SSDEEP 768:bLu9g/WItCSsAGjX4dDCcSile9N0hunRvvEpEjced:bLu9g/xtCSKs1kf1Zs4
TLSH
T1483363387FE55A72E337C5B645F7A1C2B936B8327917891D91CAA3490533B42ECA0E0D
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/964-0-0x0000000000404000-0x0000000000405000-memory.dmp

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memory/964-1-0x0000000002160000-0x0000000002166000-memory.dmp

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memory/964-2-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/964-3-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/1256-20-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/1256-22-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/1256-23-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/1256-29-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/1256-31-0x0000000000400000-0x000000000040C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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