amadey | bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588

Analysis

max time kernel
143s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 12:50

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General

Target

bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
Size

1.8MB
MD5

04a428c0416a58b182ed49f2d3af8313
SHA1

a863d597d3b0d7b87c52c81dd0b5e57e2c562547
SHA256

bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588
SHA512

8ba8cf413ba7fb5f88779c4280346dfd142ebe97c878b27f445cff9fd112e9e853f1983802b861379c608de4d546cbb7d9bc8848d582be50bcb056695ab9e800
SSDEEP

49152:j7/XrqHUn1ufmL8uLlChLK38fgLKx9JlZi5o1vTH3bW6FEEK:f/FuuL8uLlCQWxPlZi5o1fW6qE

Score

10^/10

amadey 4dd39d evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

http://77.91.77.82

Attributes

install_dir
ad40971b6b
install_file
explorti.exe
strings_key
a434973ad22def7137dbb5e059b7081e
url_paths
/Hun4Ko/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

Processes:

explorti.exebf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.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

Processes:

explorti.exeexplorti.exeexplorti.exeexplorti.exebf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe

Executes dropped EXE 4 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

3724 explorti.exe
1804 explorti.exe
4236 explorti.exe
3056 explorti.exe

pid	process
3724	explorti.exe
1804	explorti.exe
4236	explorti.exe
3056	explorti.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

Processes:

bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Wine	bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

3752 bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
3724 explorti.exe
1804 explorti.exe
4236 explorti.exe
3056 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe

description ioc process

File created C:\Windows\Tasks\explorti.job bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
3752	bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
3752	bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
3724	explorti.exe
3724	explorti.exe
1804	explorti.exe
1804	explorti.exe
4236	explorti.exe
4236	explorti.exe
3056	explorti.exe
3056	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe

description	pid	process	target process
PID 3752 wrote to memory of 3724	3752	bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe	explorti.exe
PID 3752 wrote to memory of 3724	3752	bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe	explorti.exe
PID 3752 wrote to memory of 3724	3752	bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
"C:\Users\Admin\AppData\Local\Temp\bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3752

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:3724

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4196,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4028 /prefetch:8
1⤵
PID:972

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:1804

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:4236

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:3056

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
Filesize
1.8MB

MD5
04a428c0416a58b182ed49f2d3af8313

SHA1
a863d597d3b0d7b87c52c81dd0b5e57e2c562547

SHA256
bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588

SHA512
8ba8cf413ba7fb5f88779c4280346dfd142ebe97c878b27f445cff9fd112e9e853f1983802b861379c608de4d546cbb7d9bc8848d582be50bcb056695ab9e800

Download Submit
memory/1804-23-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/1804-25-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/1804-24-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3056-46-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3056-45-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-28-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-33-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-19-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-20-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-21-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-18-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-48-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-47-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-26-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-27-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-43-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-29-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-30-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-31-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-32-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-42-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-34-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-41-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-40-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-38-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3724-39-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/3752-17-0x0000000000860000-0x0000000000D17000-memory.dmp

Filesize
4.7MB

Download
memory/3752-0-0x0000000000860000-0x0000000000D17000-memory.dmp

Filesize
4.7MB

Download
memory/3752-2-0x0000000000861000-0x000000000088F000-memory.dmp

Filesize
184KB

Download
memory/3752-1-0x0000000077524000-0x0000000077526000-memory.dmp

Filesize
8KB

Download
memory/3752-3-0x0000000000860000-0x0000000000D17000-memory.dmp

Filesize
4.7MB

Download
memory/3752-5-0x0000000000860000-0x0000000000D17000-memory.dmp

Filesize
4.7MB

Download
memory/4236-37-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download
memory/4236-36-0x00000000006D0000-0x0000000000B87000-memory.dmp

Filesize
4.7MB

Download