amadey | 43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 20:51

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General

Target

43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe
Size

1.8MB
MD5

136bdda7c913c08fdc8378d3c511b1da
SHA1

ba9803dce7c0645157aa05473958351061a7b880
SHA256

43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1
SHA512

cdbb66bb16fb0d71efa54509622237c2703f62f0e26126eee01b30d76cbd4f03f88e9648b79cf3ce4241b14de92622b7c9a0822f8cad70300b0187b6bfcf99d4
SSDEEP

49152:f8M5NvYfKe4Vuro9kzJVJ474lXozYLxQUJs0/LBSAra/wihn6:EmYLuYo9OJ48lXoEL20pBST3hn6

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 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.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 8 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorti.exeexplorti.exe43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exeexplorti.exe

description	ioc	process
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\SystemBiosVersion	43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.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\SystemBiosVersion	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:

43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe

Executes dropped EXE 3 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exe

pid process

216 explorti.exe
4748 explorti.exe
4888 explorti.exe

pid	process
216	explorti.exe
4748	explorti.exe
4888	explorti.exe

Identifies Wine through registry keys 2 TTPs 4 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:

43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exeexplorti.exeexplorti.exeexplorti.exe

pid process

4068 43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe
216 explorti.exe
4748 explorti.exe
4888 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe

description ioc process

File created C:\Windows\Tasks\explorti.job 43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.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	43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
4068	43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe
4068	43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe
216	explorti.exe
216	explorti.exe
4748	explorti.exe
4748	explorti.exe
4888	explorti.exe
4888	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe

pid process

4068 43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe

description	pid	process	target process
PID 4068 wrote to memory of 216	4068	43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe	explorti.exe
PID 4068 wrote to memory of 216	4068	43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe	explorti.exe
PID 4068 wrote to memory of 216	4068	43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.exe
"C:\Users\Admin\AppData\Local\Temp\43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4068

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:216

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 --mojo-platform-channel-handle=2660 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:652

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:4748

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:4888

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
136bdda7c913c08fdc8378d3c511b1da

SHA1
ba9803dce7c0645157aa05473958351061a7b880

SHA256
43e67fbb1bc6ac4549c216476b2aa4e98a89e74ce4d51b8d72380fdd8cc4edb1

SHA512
cdbb66bb16fb0d71efa54509622237c2703f62f0e26126eee01b30d76cbd4f03f88e9648b79cf3ce4241b14de92622b7c9a0822f8cad70300b0187b6bfcf99d4

Download Submit
memory/216-35-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-37-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-45-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-27-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-44-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-43-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-42-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-38-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-19-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-20-0x0000000000A21000-0x0000000000A4F000-memory.dmp

Filesize
184KB

Download
memory/216-21-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-22-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-23-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-36-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-25-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-26-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-34-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-33-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/216-24-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/4068-1-0x0000000077424000-0x0000000077426000-memory.dmp

Filesize
8KB

Download
memory/4068-3-0x0000000000830000-0x0000000000CF0000-memory.dmp

Filesize
4.8MB

Download
memory/4068-18-0x0000000000830000-0x0000000000CF0000-memory.dmp

Filesize
4.8MB

Download
memory/4068-4-0x0000000000830000-0x0000000000CF0000-memory.dmp

Filesize
4.8MB

Download
memory/4068-0-0x0000000000830000-0x0000000000CF0000-memory.dmp

Filesize
4.8MB

Download
memory/4068-5-0x0000000000830000-0x0000000000CF0000-memory.dmp

Filesize
4.8MB

Download
memory/4068-2-0x0000000000831000-0x000000000085F000-memory.dmp

Filesize
184KB

Download
memory/4068-7-0x0000000000830000-0x0000000000CF0000-memory.dmp

Filesize
4.8MB

Download
memory/4748-29-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/4748-30-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/4748-31-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/4748-32-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/4888-41-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download
memory/4888-40-0x0000000000A20000-0x0000000000EE0000-memory.dmp

Filesize
4.8MB

Download