69f8c56efb4516c492a43d2c3410ff0727ada429bab873950c816a765635d4ea

Analysis

max time kernel
148s
max time network
136s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/07/2026, 11:59

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General

Target
2026-07-01_55f604390d1f1981268b854924ec2866_cryptolocker_elex.exe
Size 41KB
Sample260701-n526faft6s
SHA256 69f8c56efb4516c492a43d2c3410ff0727ada429bab873950c816a765635d4ea
MD5 55f604390d1f1981268b854924ec2866
SHA1 d8cf8b8a6cd670724b31d814ee850f68eb5a6f10
SHA512 1c32ee32b0e53cba166f34cf9ea1c63d52cd44a2728a58c9ea34139702a0f65a776aaa482e82b321a23f6977c8121fa3cb54e5eb77e586ac752fc5dcfeea6594
SSDEEP 768:btB9g/WItCSsA5dAXwr3BGub4PnPXHSZU:btB9g/xtCSqOxGFPXHSZU
TLSH
T1701364347FE55A72D377C6B645F3E1C2A976BC227916DA1D91CEA3480833B02EC90A1D
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
behavioral2/files/0x00180000000115bf-13.dat	CryptoLocker_rule2
behavioral2/memory/4404-20-0x0000000000400000-0x0000000000408000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
4404	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	2026-07-01_55f604390d1f1981268b854924ec2866_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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\8094640EB5A7A1CA119C1FDDD59F810263A7FBD1\Blob = 5c0000000100000004000000001000000f0000000100000030000000ea09c51d4c3a334ce4acd2bc08c6a9be352e334f45c4fccfcab63edb9f82dc87d4bd2ed2fadae11163fb954809984ff153000000010000007e000000307c301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301f06092b06010401a032010230123010060a2b0601040182373c0101030200c0301b060567810c010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c0090000000100000056000000305406082b0601050507030206082b06010505070303060a2b0601040182370a030c060a2b0601040182370a030406082b0601050507030406082b0601050507030906082b0601050507030106082b060105050703080b000000010000003000000047006c006f00620061006c005300690067006e00200052006f006f00740020004300410020002d0020005200360000006200000001000000200000002cabeafe37d06ca22aba7391c0033d25982952c453647349763a3ab5ad6ccf697f0000000100000016000000301406082b0601050507030306082b06010505070309140000000100000014000000ae6c05a39313e2a2e7e2d71cd6c7f07fc86753a01d0000000100000010000000521f5c98970d19a8e515ef6eeb6d48ef7a000000010000000c000000300a06082b060105050703097e00000001000000080000000080c82b6886d7010300000001000000140000008094640eb5a7a1ca119c1fddd59f810263a7fbd1190000000100000010000000cb9dd0fceaaa492f75ce292c21bbfbdd200000000100000087050000308205833082036ba003020102020e45e6bb038333c3856548e6ff4551300d06092a864886f70d01010c0500304c3120301e060355040b1317476c6f62616c5369676e20526f6f74204341202d20523631133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e301e170d3134313231303030303030305a170d3334313231303030303030305a304c3120301e060355040b1317476c6f62616c5369676e20526f6f74204341202d20523631133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e30820222300d06092a864886f70d01010105000382020f003082020a02820201009507e873ca66f9ec14ca7b3cf70d08f1b4450b2c82b448c6eb5b3cae83b841923314a46f7fe92accc6b0886bc5b689d1c6b2ff14ce511421ec4add1b5ac6d687ee4d3a1506ed64660b9280ca44de73944ef3a7897f4f786308c812506d42662f4db979284d521a8a1a80b719810e7ec48abc644c211c4368d73d3c8ac5b266d5909ab73106c5bee26d3206a61ef9b9ebaaa3b8bfbe826350d0f01889dfe40f79f5eaa21f2ad2702e7be7bc93bb6d53e2487c8c100738ff66b277617ee0ea8c3caab4a4f6f3954a12076dfd8cb289cfd0a06177c85874b0d4233af75d3acaa2db9d09de5d442d90f181cd5792fa7ebc50046334df6b9318be6b36b239e4ac2436b7f0efb61c135793b6deb2f8e285b773a2b835aa45f2e09d36a16f548af172566e2e88c55142441594eea3c538969b4e4e5a0b47f30636497730bc7137e5a6ec210875fce661163f77d5d99197840a6cd4024d74c014edfd39fb83f25e14a104b00be9feee8fe16e0bb208b36166096ab1063a659659c0f035fdc9da288d1a118770810aa89a751d9e3a8605009edb80d625f9dc059e27594c76395beaf9a5a1d8830fd1ffdf3011f985cf3348f5ca6d64142c7a584fd34b0849c595641a630e793df5b38cca58ad9c4245796e0e87195c54b165b6bf8c9bdc13e90d6fb82edc676ec98b11b584148a0019708379919791d41a27bf371e3207d814633c284caf0203010001a3633061300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e04160414ae6c05a39313e2a2e7e2d71cd6c7f07fc86753a0301f0603551d23041830168014ae6c05a39313e2a2e7e2d71cd6c7f07fc86753a0300d06092a864886f70d01010c050003820201008325ede8d1fd9552cd9ec004a09169e65cd084dedcada24fe84778d66598a95ba83c877c028ad16eb71673e65fc05498d574bec1cde21191ad23183ddde1724496b4955ec07b8e99781643135657b3a2b33bb577dc4072aca3eb9b353eb10821a1e7c443377932beb5e79c2c4cbc4329998e30d3ac21e0e31dfad80733765400222ab94d202e7068dae553fc835cd39df2ff440c4466f2d2e3bd46001a6d02ba255d8da13151dd54461c4ddb9996ef1a1c045ca615ef78e079fe5ddb3eaa4c55fd9a15a96fe1a6fbdf7030e9c3ee4246edc2930589fa7d637b3fd071817c00e898ae0e7834c325fbaf0a9f206bdd3b138f128ce2411a487a73a07769c7b65c7f82c81efe581b282ba86cad5e6dc005d27bb7eb80fe2537fe029b68ac425dc3eef5ccdcf05075d236699ce67b04df6e0669b6de0a09485987eb7b14607a64aa6943ef91c74cec18dd6cef532d8c99e15ef2723ecf54c8bd67eca40f4c45ffd3b93023074c8f10bf8696d9995ab499571ca4ccbb158953ba2c050fe4c49e19b11834d54c9dbaedf71faf24950478a803bbee81e5da5f7c8b4aa1907425a7b33e4bc82c56bdc7c8ef38e25c92f079f79c84ba742d6101207e7ed1f24f07595f8b2d4352eb460c94e1f566477977d5545b1fad2437cb455a4ea04448c8d8b099c5158409f6d64949c065b8e61a716ea0a8f182e8453e6cd602d70a6783055ac9a410	gewos.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\8094640EB5A7A1CA119C1FDDD59F810263A7FBD1	gewos.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 4404	836	2026-07-01_55f604390d1f1981268b854924ec2866_cryptolocker_elex.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-01_55f604390d1f1981268b854924ec2866_cryptolocker_elex.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-01_55f604390d1f1981268b854924ec2866_cryptolocker_elex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:836
- 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:4404

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 41KB
SHA256 37f6c805f27f7c69aae0cee63f37f1434450b53c78193206269a80948f640ded
MD5 fc74ed48450e465ea6e6015e1e2e2ded
SHA1 0df242b23fcd344a7e6c01526229afe88e6415ef
SHA512 8434f607aed94930fb2820abf4028c23d4e8e11fe4a9ca35d50dd0b3260fc3b21ac45855260387294875eda500414bdbd6be751a7d5a9453d0eedb5fd4946d40
SSDEEP 768:btB9g/WItCSsA5dAXwr3BGub4PnPXHSZe:btB9g/xtCSqOxGFPXHSZe
TLSH
T1DC1364347FE55A72D377CAB645F3E1C2A976BC227916D91D91CEA3480833B02EC90A1D
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/836-0-0x0000000000404000-0x0000000000405000-memory.dmp

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memory/836-1-0x0000000000650000-0x0000000000656000-memory.dmp

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memory/836-2-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/836-3-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/4404-20-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/4404-22-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/4404-28-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/4404-29-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/4404-31-0x0000000000400000-0x0000000000408000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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