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
12/08/2026, 03:30
Behavioral task
behavioral1
Sample
2026-08-12_b275223339658d7c4a3e65386a598976_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target 2026-08-12_b275223339658d7c4a3e65386a598976_coinminer_cryptolocker_elex.exe
- Size 83KB
- Sample260812-d2mapshp6x
- SHA256 56ec747230fd47244c93adcce7c66dec4044e8a5bf838a23dec61a6c8bd153e3
- MD5 b275223339658d7c4a3e65386a598976
- SHA1 7c8110f21bbdf5497cb6748d430505053926e32f
- SHA512 8084d57eebb8ce2cad879120eee1f60195218c51225adbc047921d0ec3ee4919a3ecaf81c80f01f01d38c2e05a637c91fcdb8efc69f3211617f15d3330dfa7e4
- SSDEEP 1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDZ:zCsanOtEvwDpjY
- TLSH T1B683B73D5EE81572D3B7DABAD5F695C3B921B82239219C0E50CB13414C23F17EDA2A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/5016-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/memory/5016-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000f0000000231f3-14.dat CryptoLocker_rule2 behavioral1/memory/540-18-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/memory/540-20-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/5016-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/memory/5016-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000f0000000231f3-14.dat CryptoLocker_set1 behavioral1/memory/540-18-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/memory/540-20-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral1/memory/5016-0-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral1/memory/5016-3-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral1/files/0x000f0000000231f3-14.dat UPX behavioral1/memory/540-18-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral1/memory/540-20-0x0000000000500000-0x0000000000510000-memory.dmp UPX - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3053180483-1881419501-3594244048-1000\Control Panel\International\Geo\Nation 2026-08-12_b275223339658d7c4a3e65386a598976_coinminer_cryptolocker_elex.exe - Executes dropped EXE 1 IoCs
pid Process 540 misid.exe -
resource yara_rule behavioral1/memory/5016-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/5016-3-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x000f0000000231f3-14.dat upx behavioral1/memory/540-18-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/540-20-0x0000000000500000-0x0000000000510000-memory.dmp upx - 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 2026-08-12_b275223339658d7c4a3e65386a598976_coinminer_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5016 wrote to memory of 540 5016 2026-08-12_b275223339658d7c4a3e65386a598976_coinminer_cryptolocker_elex.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-12_b275223339658d7c4a3e65386a598976_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-12_b275223339658d7c4a3e65386a598976_coinminer_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5016 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:540
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 83KB
- SHA256 6f7fe80924c0856124f5a13087eddf338b1b5c7da82d2f77e5e4375e68f42b52
- MD5 67ecb19f5cf18a0980f4e8b6b8510cd1
- SHA1 1ecc1cac2d4b7c915f9307562db7c292a8e62df4
- SHA512 7f9917cad8db6b1f9752df0dfd5eadd673bd45253bcf31171e06b77a320b801527529dda4b5525f5647760eff0045a7343ce3a4855a6d69645283b4c0e965c00
- SSDEEP 1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDG:zCsanOtEvwDpjj
- TLSH T1C383B73D5EE81572D3B7DABAD5F695C3B921B82239219C0E50CB13414C23F17EDA2A1E
- MD5 SHA1 SHA512 SSDEEP TLSH