Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 22:30
Behavioral task
behavioral1
Sample
2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 768KB
- Sample260730-2e37psgf45
- SHA256 61a2f779effcd8555971f64040e366656efc6bdf50f505f7c154fa19cf992c06
- MD5 5da7492baf5fec1851ea2d1a8459d157
- SHA1 c67c41a512079001b2f601b3f93cd67aacd08b40
- SHA512 63d6dc1a6a6f3dafbca415a248c5f0bad5a44d401a1fdf15bdafa57bc8c3bf0f5a9b27f75e9b97b20ebb967e03bf22acca61335bfd059751d5dbe0f84467a185
- SSDEEP 12288:aqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:ajHPOSOkx2LFscU6UQOJdT
- TLSH T1EBF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x00170000000115ef-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x00170000000115ef-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral2/memory/4572-0-0x0000000000460000-0x00000000004E9000-memory.dmp UPX behavioral2/files/0x00170000000115ef-2.dat UPX behavioral2/memory/4476-3-0x0000000000400000-0x0000000000489000-memory.dmp UPX behavioral2/memory/4572-13-0x0000000000460000-0x00000000004E9000-memory.dmp UPX behavioral2/memory/4476-15-0x0000000000400000-0x0000000000489000-memory.dmp UPX behavioral2/memory/4572-34-0x0000000000460000-0x00000000004E9000-memory.dmp UPX behavioral2/memory/4476-35-0x0000000000400000-0x0000000000489000-memory.dmp UPX behavioral2/memory/4476-41-0x0000000000400000-0x0000000000489000-memory.dmp UPX behavioral2/memory/4572-50-0x0000000000460000-0x00000000004E9000-memory.dmp UPX behavioral2/memory/4572-56-0x0000000000460000-0x00000000004E9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4476 fce9f1f0 - 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 1 114.114.114.114 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 4 223.5.5.5 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 20 114.114.114.114 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 21 223.5.5.5 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fce9f1f0 File created C:\Windows\SysWOW64\fce9f1f0 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fce9f1f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fce9f1f0 -
resource yara_rule behavioral2/memory/4572-0-0x0000000000460000-0x00000000004E9000-memory.dmp upx behavioral2/files/0x00170000000115ef-2.dat upx behavioral2/memory/4476-3-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral2/memory/4572-13-0x0000000000460000-0x00000000004E9000-memory.dmp upx behavioral2/memory/4476-15-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral2/memory/4572-34-0x0000000000460000-0x00000000004E9000-memory.dmp upx behavioral2/memory/4476-35-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral2/memory/4476-41-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral2/memory/4572-50-0x0000000000460000-0x00000000004E9000-memory.dmp upx behavioral2/memory/4572-56-0x0000000000460000-0x00000000004E9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4ca178 fce9f1f0 File opened for modification C:\Windows\4e4638 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_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 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fce9f1f0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fce9f1f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fce9f1f0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fce9f1f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fce9f1f0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fce9f1f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fce9f1f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fce9f1f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fce9f1f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fce9f1f0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4476 fce9f1f0 4476 fce9f1f0 4476 fce9f1f0 4476 fce9f1f0 4476 fce9f1f0 4476 fce9f1f0 4476 fce9f1f0 4476 fce9f1f0 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 4572 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 4476 fce9f1f0 Token: SeTcbPrivilege 4476 fce9f1f0
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_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:4572
-
C:\Windows\Syswow64\fce9f1f0C:\Windows\Syswow64\fce9f1f01⤵
- 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:4476
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fce9f1f0
- Size 768KB
- SHA256 6e328c20c536080c568de53b82f264ab72d4c8e3ab27f20da66da9df306f8ca1
- MD5 9a9a749d397b37567a5a16fe7b3355ab
- SHA1 6522f18ead224a76959fd0680a222c3954836bc1
- SHA512 3a68932a3a8c7ec67bcc2a70ca1375fa5427d52e68c4cdf4d340f1f295b31cefd8c663bf3c5bfdf4f6fffe7019d8dd4f9a2d8d1e58d047f2b897b93a940fcf1e
- SSDEEP 12288:HqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:HjHPOSOkx2LFscU6UQOJdT
- TLSH T1BDF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH