Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
03/05/2026, 01:03
Behavioral task
behavioral1
Sample
2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
12 signatures
150 seconds
General
- Target 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260503-bej6qaas51
- SHA256 592e24ea0d8321f460a34a4ee56cdf7d0601d013365ebedb04407d2bb6e32c00
- MD5 ff42d3d64a209832f56e47bfc7386c50
- SHA1 c587739833c15838fd822f442bf5be12f3e0f766
- SHA512 4a8dd78c9dfa3ff2a98eb4f59c5dbb33c259c05e3d00906cab44d528b786fd72e403d9d34f9960d051dc54a404e690a327520c42d42a12a6b4f846e54b1108fd
- SSDEEP 24576:qvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:qHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T192858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a0000000242a5-2.dat CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000a0000000242a5-2.dat CryptoLocker_set1 - Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4808-0-0x00000000004B0000-0x000000000053C000-memory.dmp UPX behavioral1/files/0x000a0000000242a5-2.dat UPX behavioral1/memory/4484-3-0x0000000000690000-0x000000000071C000-memory.dmp UPX behavioral1/memory/4808-10-0x00000000004B0000-0x000000000053C000-memory.dmp UPX behavioral1/memory/4484-11-0x0000000000690000-0x000000000071C000-memory.dmp UPX behavioral1/memory/4484-32-0x0000000000690000-0x000000000071C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4484 7489f528 - Unexpected DNS network traffic destination 8 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 120 223.5.5.5 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 3 114.114.114.114 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 5 223.5.5.5 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 24 114.114.114.114 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 28 223.5.5.5 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 83 114.114.114.114 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 84 223.5.5.5 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 119 114.114.114.114 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\7489f528 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 7489f528 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7489f528 -
resource yara_rule behavioral1/memory/4808-0-0x00000000004B0000-0x000000000053C000-memory.dmp upx behavioral1/files/0x000a0000000242a5-2.dat upx behavioral1/memory/4484-3-0x0000000000690000-0x000000000071C000-memory.dmp upx behavioral1/memory/4808-10-0x00000000004B0000-0x000000000053C000-memory.dmp upx behavioral1/memory/4484-11-0x0000000000690000-0x000000000071C000-memory.dmp upx behavioral1/memory/4484-32-0x0000000000690000-0x000000000071C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4cc488 7489f528 File opened for modification C:\Windows\525090 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_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 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7489f528 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 7489f528 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 7489f528 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 7489f528 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 7489f528 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 7489f528 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 7489f528 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 7489f528 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 7489f528 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 7489f528 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4484 7489f528 4484 7489f528 4484 7489f528 4484 7489f528 4484 7489f528 4484 7489f528 4484 7489f528 4484 7489f528 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4808 2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4484 7489f528 Token: SeTcbPrivilege 4484 7489f528
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-03_ff42d3d64a209832f56e47bfc7386c50_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:4808
-
C:\Windows\Syswow64\7489f528C:\Windows\Syswow64\7489f5281⤵
- 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:4484
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\7489f528
- Size 1.7MB
- SHA256 2a76450726fec48dc0c2b782fa49e2efb059e60a7769facfe048737534079f25
- MD5 a2f243f14d32b1469b6d8a4a12be6cd3
- SHA1 c6d72bb2f6afc2a7421c36a865369a9971bab27c
- SHA512 db042d8d34af24d5f0c55f4de1b4b06107c87f97b5d011d4a537c9c730e0dc54ef81fe00065714a8e3c26b4d1177970613973144d8dc1c0c20398bfe4c0a122e
- SSDEEP 24576:mvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:mHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T173858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH