Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
26/04/2026, 16:13
Behavioral task
behavioral1
Sample
2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
12 signatures
150 seconds
General
- Target 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1022KB
- Sample260426-tpde2aax3t
- SHA256 0954e0823a494032ca9ed229465bd2402ec3dc000a12ad3c15b7431b7a2eaf64
- MD5 cd27c3f33dec08a76e5bc270d7e07039
- SHA1 1835faa386940247db3e1191c3e23997712e206b
- SHA512 0caa7535682f1e3b49046ba283e073c09ced198484bba01358a0ac8305f7fe6ff6a1ab77a9d07d5f647a3043ec8b8394790ed15f0f598725d7e87bcf10c86841
- SSDEEP 12288:kSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:XvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T18A256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000c000000029ee3-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000c000000029ee3-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/2228-0-0x00000000006B0000-0x000000000073C000-memory.dmp UPX behavioral2/files/0x000c000000029ee3-2.dat UPX behavioral2/memory/3540-4-0x00000000000F0000-0x000000000017C000-memory.dmp UPX behavioral2/memory/2228-10-0x00000000006B0000-0x000000000073C000-memory.dmp UPX behavioral2/memory/3540-11-0x00000000000F0000-0x000000000017C000-memory.dmp UPX behavioral2/memory/3540-19-0x00000000000F0000-0x000000000017C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3540 24c18832 - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 7 223.5.5.5 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 1 114.114.114.114 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 114.114.114.114 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\24c18832 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 24c18832 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 24c18832 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 24c18832 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 24c18832 -
resource yara_rule behavioral2/memory/2228-0-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/files/0x000c000000029ee3-2.dat upx behavioral2/memory/3540-4-0x00000000000F0000-0x000000000017C000-memory.dmp upx behavioral2/memory/2228-10-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/memory/3540-11-0x00000000000F0000-0x000000000017C000-memory.dmp upx behavioral2/memory/3540-19-0x00000000000F0000-0x000000000017C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3c9b28 24c18832 File opened for modification C:\Windows\2624e8 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - 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 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 24c18832 - Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 24c18832 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 24c18832 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 24c18832 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 24c18832 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 24c18832 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 24c18832 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 24c18832 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 24c18832 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3540 24c18832 3540 24c18832 3540 24c18832 3540 24c18832 3540 24c18832 3540 24c18832 3540 24c18832 3540 24c18832 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 2228 2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 3540 24c18832 Token: SeTcbPrivilege 3540 24c18832
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228
-
C:\Windows\Syswow64\24c18832C:\Windows\Syswow64\24c188321⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3540
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\24c18832
- Size 1022KB
- SHA256 e9c377e8dcfd54a738774959a393bc1b572f68152217433064a723935ab4496d
- MD5 240f463a0d038a794447453d395e83cc
- SHA1 9233d57cef92a05f464029bbaaad10b5b4efd5e3
- SHA512 80c6d3a1319539c71f55858e1dc326d4052e432f667ee74d76212cc49e86ff0209da0c96a12f3aa244dea458c0768a096f10339f463ef34904e611dded008d2b
- SSDEEP 12288:lSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:EvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T194256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH