Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/08/2026, 03:11
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_22d79922096fc19a420c8d8b58e4cdbf_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_22d79922096fc19a420c8d8b58e4cdbf_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-20_22d79922096fc19a420c8d8b58e4cdbf_cryptolocker_elex.exe
- Size 44KB
- Sample260820-dp3f6adr41
- SHA256 597bd7d531b5946bba471bb77ed54b7c8950c83dc347c828f6aae5adcd84039a
- MD5 22d79922096fc19a420c8d8b58e4cdbf
- SHA1 b2f3ebf70119002560262050cada23d2f76da183
- SHA512 c603d3c10963d6f9c665b8ac32343e05d413d10b50455294aae28b96a92d76301cb8c995d098cf91bbac45dc1804293607cf8539ea21b09ef0f0bbec5b91744b
- SSDEEP 768:bxNQIE0eBhkL2Fo1CCwgfjOg7ycLaMVwc5LXheNtvfh+K:bxNrC7kYo1FxfWceMVwcdhebfV
- TLSH T17C136138ADD52972D37BCAB989F751C6B839B86239018D8E50CB27480D23F17EDA151E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/1060-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x0008000000024474-13.dat CryptoLocker_rule2 behavioral1/memory/2276-17-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2276-25-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation 2026-08-20_22d79922096fc19a420c8d8b58e4cdbf_cryptolocker_elex.exe Key value queried \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation pissa.exe - Executes dropped EXE 1 IoCs
pid Process 2276 pissa.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-20_22d79922096fc19a420c8d8b58e4cdbf_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pissa.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1060 wrote to memory of 2276 1060 2026-08-20_22d79922096fc19a420c8d8b58e4cdbf_cryptolocker_elex.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_22d79922096fc19a420c8d8b58e4cdbf_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_22d79922096fc19a420c8d8b58e4cdbf_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Users\Admin\AppData\Local\Temp\pissa.exe"C:\Users\Admin\AppData\Local\Temp\pissa.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2276
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\pissa.exe
- Size 44KB
- SHA256 b18a6d3222c32a33e82c2af0ae5c94b38980cc70132ed487d958b87fcae7ca8d
- MD5 3a3a755d4ba92b6081ea2fcccb000ec7
- SHA1 4fb269e7dfdd5fdaeba938c3902367c296e4e440
- SHA512 17dd16113cdf5af3693e235c9e94d149f4474d1df1ce494972606f2fce60e910734042af3d7ba08ee7afc898f5d25c188cec28ad6757e51c72b95de33b74865a
- SSDEEP 768:bxNQIE0eBhkL2Fo1CCwgfjOg7ycLaMVwc5LXheNtvfh+w:bxNrC7kYo1FxfWceMVwcdhebfD
- TLSH T145136138ADD52972D37BCAB989F751C7B839B86239018D8E50CB27480D23F17BDA151E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\pissec.exe
- Size 114B
- SHA256 6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023
- MD5 e89f75f918dbdcee28604d4e09dd71d7
- SHA1 f9d9055e9878723a12063b47d4a1a5f58c3eb1e9
- SHA512 8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0
- TLSH T1EEB092DDBC61E48018E535511EA3B60D146A22EBB9018B4018C00836A96035F8D0AAC5
- MD5 SHA1 SHA512 TLSH