eed4988b929c1f014c154db138d2e04e4a076c9391c3e12b8c8c169d1e73b9b2

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/07/2026, 04:24

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General

Target
2026-07-04_3dc26261a01d3a01b5c0afeebd8dae2c_cryptolocker_elex.exe
Size 41KB
Sample260704-e1nyksa14v
SHA256 eed4988b929c1f014c154db138d2e04e4a076c9391c3e12b8c8c169d1e73b9b2
MD5 3dc26261a01d3a01b5c0afeebd8dae2c
SHA1 f1e40f0b6113ec5697fa635f9d157b2b21d76423
SHA512 4d8877fda6807214ff6f7da7331786b44ad1b9f86b4cf2a05c6ee171cf38109d9fe797fa5649003af10312045c649783af4d8d139ddf45b714e593d4ecc0fd30
SSDEEP 768:btB9g/WItCSsA5dAXwr3BGub4PnPXHSZB:btB9g/xtCSqOxGFPXHSZB
TLSH
T19A1364347FE55A72D377CAB645F3E1C2A976BC227916D91D91CEA3480833B02EC90A1D
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/0x00120000000118e9-13.dat	CryptoLocker_rule2
behavioral2/memory/5644-20-0x0000000000400000-0x0000000000408000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/5644-22-0x0000000000400000-0x0000000000408000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
5644	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	2026-07-04_3dc26261a01d3a01b5c0afeebd8dae2c_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 3416 wrote to memory of 5644	3416	2026-07-04_3dc26261a01d3a01b5c0afeebd8dae2c_cryptolocker_elex.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-04_3dc26261a01d3a01b5c0afeebd8dae2c_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-04_3dc26261a01d3a01b5c0afeebd8dae2c_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3416
- 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:5644

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 42KB
SHA256 33680451887cacba7bda7dec02fe1bb8851c0324e4dcb944a8adf9fb4364cba9
MD5 27683f98df771218d369b7740d293fdc
SHA1 805cbbc59756f87a887bf871dd1ffdecb11b0679
SHA512 67d2f15d99e97d62306eb68ccc4b61e05bfff55aa5a69b392a814efaf5c0c2783895abc5ee2b6951f600ccb657f01acc81680fe839da5939c794a0e58fb48628
SSDEEP 768:btB9g/WItCSsA5dAXwr3BGub4PnPXHSZq:btB9g/xtCSqOxGFPXHSZq
TLSH
T1AD1364347FE55A72D377CAB645F3E1C2A976BC227916D91D91CEA3480833B02EC90A1D
MD5 SHA1 SHA512 SSDEEP TLSH

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gewosik.exe

Path C:\Users\Admin\AppData\Local\Temp\gewosik.exe
Size 184B
SHA256 31c49fabf7f2f010fea1fbd877b390033b632271b4bfe0f1866cbf81df0150b2
MD5 c58ffba59d86104b152dc6cada302034
SHA1 171fc07c7c64f9f5c4a8109dc971609357417df2
SHA512 18312184cd06c8f877a46031781d9df103ca300cd972ff9572ca2d7a67550ef413193811af7d1814aa1fb6312d8c538713eab8596f39a08985d9381b5c87c81c
TLSH
T100C0C0F3E810885B5411361ACC93721216127D08FE400C30D1C637CCCEF0BB25D01510
MD5 SHA1 SHA512 TLSH

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memory/3416-0-0x0000000000404000-0x0000000000405000-memory.dmp

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memory/3416-1-0x0000000002280000-0x0000000002286000-memory.dmp

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memory/3416-2-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/3416-3-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/5644-20-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/5644-22-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/5644-23-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/5644-31-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/5644-33-0x0000000000400000-0x0000000000408000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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