f493fad131fa0271db214467f438b5e6fc0fc9af75fd46c82a83198818d2f12b

Analysis

max time kernel
150s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 00:08

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General

Target
2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
Size 618KB
Sample260809-afas1afh86
SHA256 f493fad131fa0271db214467f438b5e6fc0fc9af75fd46c82a83198818d2f12b
MD5 a8b193ed05956d33931df6055f3a1c82
SHA1 faf762c10ac47809d3699c11112d18ff1a952acb
SHA512 7dffbdda064631efb0f698cdf1573a0bea36a9e560a983e23911fd335093f8ee3398f0b64025324f9dae00663221ee88857737d7b4b1083f826c3dda2d468e94
SSDEEP 12288:uqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:ujHPOSOkx2LFscUQPxW
TLSH
T1C6D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
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
behavioral2/memory/5056-0-0x0000000000E40000-0x0000000000EC9000-memory.dmp	UPX
behavioral2/files/0x000b000000019caa-2.dat	UPX
behavioral2/memory/4256-3-0x0000000000760000-0x00000000007E9000-memory.dmp	UPX
behavioral2/memory/5056-16-0x0000000000E40000-0x0000000000EC9000-memory.dmp	UPX
behavioral2/memory/4256-18-0x0000000000760000-0x00000000007E9000-memory.dmp	UPX
behavioral2/memory/4256-22-0x0000000000760000-0x00000000007E9000-memory.dmp	UPX
behavioral2/memory/5056-31-0x0000000000E40000-0x0000000000EC9000-memory.dmp	UPX
behavioral2/memory/4256-32-0x0000000000760000-0x00000000007E9000-memory.dmp	UPX
behavioral2/memory/4256-36-0x0000000000760000-0x00000000007E9000-memory.dmp	UPX
behavioral2/memory/5056-41-0x0000000000E40000-0x0000000000EC9000-memory.dmp	UPX
behavioral2/memory/5056-44-0x0000000000E40000-0x0000000000EC9000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
4256	48fa648f

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	5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
Destination IP	4	223.5.5.5	5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
Destination IP	19	114.114.114.114	5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
Destination IP	20	223.5.5.5	5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_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\Local\Microsoft\Windows\INetCache\Content.IE5	48fa648f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	48fa648f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	48fa648f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	48fa648f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	48fa648f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	48fa648f
File created	C:\Windows\SysWOW64\48fa648f	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	48fa648f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	48fa648f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	48fa648f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	48fa648f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046	48fa648f
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8	48fa648f

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5056-0-0x0000000000E40000-0x0000000000EC9000-memory.dmp	upx
behavioral2/files/0x000b000000019caa-2.dat	upx
behavioral2/memory/4256-3-0x0000000000760000-0x00000000007E9000-memory.dmp	upx
behavioral2/memory/5056-16-0x0000000000E40000-0x0000000000EC9000-memory.dmp	upx
behavioral2/memory/4256-18-0x0000000000760000-0x00000000007E9000-memory.dmp	upx
behavioral2/memory/4256-22-0x0000000000760000-0x00000000007E9000-memory.dmp	upx
behavioral2/memory/5056-31-0x0000000000E40000-0x0000000000EC9000-memory.dmp	upx
behavioral2/memory/4256-32-0x0000000000760000-0x00000000007E9000-memory.dmp	upx
behavioral2/memory/4256-36-0x0000000000760000-0x00000000007E9000-memory.dmp	upx
behavioral2/memory/5056-41-0x0000000000E40000-0x0000000000EC9000-memory.dmp	upx
behavioral2/memory/5056-44-0x0000000000E40000-0x0000000000EC9000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\48dd40	48fa648f
File opened for modification	C:\Windows\568f80	2026-08-08_a8b193ed05956d33931df6055f3a1c82_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_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	48fa648f

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\Cookies\CachePrefix = "Cookie:"	48fa648f
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	48fa648f
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	48fa648f
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	48fa648f
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	48fa648f
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	48fa648f
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	48fa648f
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	48fa648f
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	48fa648f

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4256	48fa648f
4256	48fa648f
4256	48fa648f
4256	48fa648f
4256	48fa648f
4256	48fa648f
4256	48fa648f
4256	48fa648f
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
Token: SeTcbPrivilege	5056	2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
Token: SeDebugPrivilege	4256	48fa648f
Token: SeTcbPrivilege	4256	48fa648f

C:\Users\Admin\AppData\Local\Temp\2026-08-08_a8b193ed05956d33931df6055f3a1c82_amadey_coinminer_elex_remcos_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_a8b193ed05956d33931df6055f3a1c82_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:5056

C:\Windows\Syswow64\48fa648f
C:\Windows\Syswow64\48fa648f
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:4256

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

Replay Monitor

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Downloads

48fa648f

Path C:\Windows\SysWOW64\48fa648f
Size 618KB
SHA256 46904ef7bfdc3e3d07cc6f771dda83186e9f499d68603217514cac2f9adcc0ae
MD5 fea20cd1e9f9df938aeceef4402d8b09
SHA1 b2cf794d5eb77d04342999225a7e0b4b08704b15
SHA512 ba9d29ffebac76d7af63d0b0fe46cc983b0e9b2bb65dfa5fb7343ef8a2e15dc6cb568b502e2ab06f9823239ee5d72b26105999d4cde41a89528a44f731e3a4d5
SSDEEP 12288:TqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:TjHPOSOkx2LFscUQPxW
TLSH
T131D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4256-3-0x0000000000760000-0x00000000007E9000-memory.dmp

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memory/4256-18-0x0000000000760000-0x00000000007E9000-memory.dmp

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memory/4256-22-0x0000000000760000-0x00000000007E9000-memory.dmp

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memory/4256-32-0x0000000000760000-0x00000000007E9000-memory.dmp

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memory/4256-36-0x0000000000760000-0x00000000007E9000-memory.dmp

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memory/5056-0-0x0000000000E40000-0x0000000000EC9000-memory.dmp

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memory/5056-16-0x0000000000E40000-0x0000000000EC9000-memory.dmp

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memory/5056-31-0x0000000000E40000-0x0000000000EC9000-memory.dmp

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memory/5056-41-0x0000000000E40000-0x0000000000EC9000-memory.dmp

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memory/5056-44-0x0000000000E40000-0x0000000000EC9000-memory.dmp

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