1b9e2bc1d74bcdeb4d289b2e24a5c788021ad532e840a68d73de6146b4106e4f

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/08/2026, 18:55

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General

Target
2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
Size 618KB
Sample260808-xkrnmsxtcx
SHA256 1b9e2bc1d74bcdeb4d289b2e24a5c788021ad532e840a68d73de6146b4106e4f
MD5 5df47820de9d818bd30211eda79d84b9
SHA1 5fb8ff90b6d1882ee22af78c77539ef8252238a5
SHA512 480524f1d14f61fba0bac28535c08e303bd37ef2d653a3654785db528ff91a14cff6e31165f347a20f505381aafdd169ae19bab402868a24ff816411feea74d5
SSDEEP 12288:QqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:QjHPOSOkx2LFscUQPxW
TLSH
T186D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 11 IoCs

resource	yara_rule
behavioral1/memory/5040-0-0x0000000000270000-0x00000000002F9000-memory.dmp	UPX
behavioral1/files/0x000a000000023fe5-2.dat	UPX
behavioral1/memory/4168-3-0x0000000000560000-0x00000000005E9000-memory.dmp	UPX
behavioral1/memory/5040-16-0x0000000000270000-0x00000000002F9000-memory.dmp	UPX
behavioral1/memory/4168-18-0x0000000000560000-0x00000000005E9000-memory.dmp	UPX
behavioral1/memory/4168-22-0x0000000000560000-0x00000000005E9000-memory.dmp	UPX
behavioral1/memory/5040-33-0x0000000000270000-0x00000000002F9000-memory.dmp	UPX
behavioral1/memory/4168-34-0x0000000000560000-0x00000000005E9000-memory.dmp	UPX
behavioral1/memory/5040-37-0x0000000000270000-0x00000000002F9000-memory.dmp	UPX
behavioral1/memory/4168-38-0x0000000000560000-0x00000000005E9000-memory.dmp	UPX
behavioral1/memory/5040-41-0x0000000000270000-0x00000000002F9000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
4168	a5d293d0

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	3	114.114.114.114	5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
Destination IP	4	223.5.5.5	5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
Destination IP	34	114.114.114.114	5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
Destination IP	35	223.5.5.5	5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe

Drops file in System32 directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	a5d293d0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	a5d293d0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	a5d293d0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	a5d293d0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	a5d293d0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	a5d293d0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	a5d293d0
File created	C:\Windows\SysWOW64\a5d293d0	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	a5d293d0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	a5d293d0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	a5d293d0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	a5d293d0
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	a5d293d0

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/5040-0-0x0000000000270000-0x00000000002F9000-memory.dmp	upx
behavioral1/files/0x000a000000023fe5-2.dat	upx
behavioral1/memory/4168-3-0x0000000000560000-0x00000000005E9000-memory.dmp	upx
behavioral1/memory/5040-16-0x0000000000270000-0x00000000002F9000-memory.dmp	upx
behavioral1/memory/4168-18-0x0000000000560000-0x00000000005E9000-memory.dmp	upx
behavioral1/memory/4168-22-0x0000000000560000-0x00000000005E9000-memory.dmp	upx
behavioral1/memory/5040-33-0x0000000000270000-0x00000000002F9000-memory.dmp	upx
behavioral1/memory/4168-34-0x0000000000560000-0x00000000005E9000-memory.dmp	upx
behavioral1/memory/5040-37-0x0000000000270000-0x00000000002F9000-memory.dmp	upx
behavioral1/memory/4168-38-0x0000000000560000-0x00000000005E9000-memory.dmp	upx
behavioral1/memory/5040-41-0x0000000000270000-0x00000000002F9000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\475b90	a5d293d0
File opened for modification	C:\Windows\564960	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a5d293d0

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	a5d293d0
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	a5d293d0
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	a5d293d0
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	a5d293d0
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	a5d293d0
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	a5d293d0
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	a5d293d0
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	a5d293d0
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	a5d293d0

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4168	a5d293d0
4168	a5d293d0
4168	a5d293d0
4168	a5d293d0
4168	a5d293d0
4168	a5d293d0
4168	a5d293d0
4168	a5d293d0
5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
Token: SeTcbPrivilege	5040	2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
Token: SeDebugPrivilege	4168	a5d293d0
Token: SeTcbPrivilege	4168	a5d293d0

C:\Users\Admin\AppData\Local\Temp\2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_5df47820de9d818bd30211eda79d84b9_amadey_coinminer_elex_remcos_smoke-loader.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:5040

C:\Windows\Syswow64\a5d293d0
C:\Windows\Syswow64\a5d293d0
1⤵
- 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:4168

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

a5d293d0

Path C:\Windows\SysWOW64\a5d293d0
Size 618KB
SHA256 84742246da70010d1bf0b582abde17bbef18b228544bb479dc12a9f68d80c432
MD5 8f6a5efa9c712a36d4ef41ee3f68677b
SHA1 fa6907b89a02389d407ffa1ff6fbf40d14414e94
SHA512 c0cc5fa6383ff3077552214dfa5c47e74e73d4b243c2f76f8af0182d0b35b96e68cb0648bd4f141426e99b719c458e07dfb2b9b0cf9a31a31bfc6525d9a97e60
SSDEEP 12288:nqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:njHPOSOkx2LFscUQPxW
TLSH
T1D4D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4168-3-0x0000000000560000-0x00000000005E9000-memory.dmp

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memory/4168-18-0x0000000000560000-0x00000000005E9000-memory.dmp

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memory/4168-22-0x0000000000560000-0x00000000005E9000-memory.dmp

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memory/4168-34-0x0000000000560000-0x00000000005E9000-memory.dmp

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memory/4168-38-0x0000000000560000-0x00000000005E9000-memory.dmp

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memory/5040-0-0x0000000000270000-0x00000000002F9000-memory.dmp

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memory/5040-16-0x0000000000270000-0x00000000002F9000-memory.dmp

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memory/5040-33-0x0000000000270000-0x00000000002F9000-memory.dmp

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memory/5040-37-0x0000000000270000-0x00000000002F9000-memory.dmp

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memory/5040-41-0x0000000000270000-0x00000000002F9000-memory.dmp

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