amadey | 256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9

Analysis

max time kernel
142s
max time network
69s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
28-04-2024 13:24

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General

Target

256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe
Size

1.8MB
MD5

ee38ca2353a49754ff29fa865b5190ef
SHA1

cf5838cc3d550d3fae6626b6c6a3182f9fc793d8
SHA256

256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9
SHA512

204ae72a19eb7f5ca98543f63ea94642e69232862b7ba86beab755795888201b7b7621099c33315541c91a0f15fa6ed294f794a6fcae14d19924ec15b661fb89
SSDEEP

49152:e3/bnFNCFi8zcQ8PBo2hQHELANEEgjlExuL+rUl8bYj:ejnzgi8pGBouQHH6JExLoWbY

Score

10^/10

amadey evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.20

http://193.233.132.139

Attributes

install_dir
5454e6f062
install_file
explorta.exe
strings_key
c7a869c5ba1d72480093ec207994e2bf
url_paths
/sev56rkm/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe

Checks BIOS information in registry 2 TTPs 10 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe

Executes dropped EXE 4 IoCs

pid	Process
1096	explorta.exe
3112	explorta.exe
5004	explorta.exe
3696	explorta.exe

Identifies Wine through registry keys 2 TTPs 5 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\Software\Wine	256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe
Key opened	\REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\Software\Wine	explorta.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
2680	256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe
1096	explorta.exe
3112	explorta.exe
5004	explorta.exe
3696	explorta.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorta.job	256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2680	256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe
2680	256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe
1096	explorta.exe
1096	explorta.exe
3112	explorta.exe
3112	explorta.exe
5004	explorta.exe
5004	explorta.exe
3696	explorta.exe
3696	explorta.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 1096	2680	256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe	80
PID 2680 wrote to memory of 1096	2680	256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe	80
PID 2680 wrote to memory of 1096	2680	256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe	80

C:\Users\Admin\AppData\Local\Temp\256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe
"C:\Users\Admin\AppData\Local\Temp\256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
  "C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:1096

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3112

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:5004

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe

Filesize
1.8MB

MD5
ee38ca2353a49754ff29fa865b5190ef

SHA1
cf5838cc3d550d3fae6626b6c6a3182f9fc793d8

SHA256
256158683a6f1768975bfb27ea9d46ac80dfeb4c27960dfa95ebfc07c5afa5b9

SHA512
204ae72a19eb7f5ca98543f63ea94642e69232862b7ba86beab755795888201b7b7621099c33315541c91a0f15fa6ed294f794a6fcae14d19924ec15b661fb89

Download Submit
memory/1096-45-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-47-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-60-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-56-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-55-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-54-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-53-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-52-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-51-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-46-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-23-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-44-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-24-0x0000000004C40000-0x0000000004C41000-memory.dmp

Filesize
4KB

Download
memory/1096-29-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/1096-28-0x0000000004C10000-0x0000000004C11000-memory.dmp

Filesize
4KB

Download
memory/1096-27-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

Download
memory/1096-35-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-25-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/1096-31-0x0000000004C90000-0x0000000004C91000-memory.dmp

Filesize
4KB

Download
memory/1096-30-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

Filesize
4KB

Download
memory/1096-32-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-43-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-42-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/1096-26-0x0000000004C30000-0x0000000004C31000-memory.dmp

Filesize
4KB

Download
memory/2680-3-0x0000000005030000-0x0000000005031000-memory.dmp

Filesize
4KB

Download
memory/2680-9-0x0000000005080000-0x0000000005081000-memory.dmp

Filesize
4KB

Download
memory/2680-0-0x00000000005A0000-0x0000000000A46000-memory.dmp

Filesize
4.6MB

Download
memory/2680-4-0x0000000005010000-0x0000000005011000-memory.dmp

Filesize
4KB

Download
memory/2680-7-0x0000000005000000-0x0000000005001000-memory.dmp

Filesize
4KB

Download
memory/2680-6-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

Filesize
4KB

Download
memory/2680-1-0x00000000772F6000-0x00000000772F8000-memory.dmp

Filesize
8KB

Download
memory/2680-22-0x00000000005A0000-0x0000000000A46000-memory.dmp

Filesize
4.6MB

Download
memory/2680-5-0x0000000005050000-0x0000000005051000-memory.dmp

Filesize
4KB

Download
memory/2680-10-0x0000000005070000-0x0000000005071000-memory.dmp

Filesize
4KB

Download
memory/2680-2-0x0000000005020000-0x0000000005021000-memory.dmp

Filesize
4KB

Download
memory/3112-34-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/3112-37-0x0000000005230000-0x0000000005231000-memory.dmp

Filesize
4KB

Download
memory/3112-38-0x0000000005270000-0x0000000005271000-memory.dmp

Filesize
4KB

Download
memory/3112-39-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/3112-41-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/3112-40-0x0000000005220000-0x0000000005221000-memory.dmp

Filesize
4KB

Download
memory/3112-36-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/3696-59-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/3696-58-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/5004-49-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download
memory/5004-50-0x00000000007C0000-0x0000000000C66000-memory.dmp

Filesize
4.6MB

Download