amadey | 42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e

General

Target

42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe
Size

1.8MB
MD5

236047d1f096ba1fd1de61e67c45c3e3
SHA1

75724bdd9d7402417613878200ac2c92178f37de
SHA256

42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e
SHA512

4a826ba12fdcc3fc60558e6f6cb21f8fa26ffb3b48ead0a7703f96af6db2d38f9e00238152b6e839515555188aa0b84dbbd3d0ba298ebb17e40597b8c4bb0b2f
SSDEEP

49152:h+MCDW7fuxU9kxjrS1qcODoOjRZcrbe1OMobNU3WBbs:tCDWju1cXKRZcCLas

Score

10^/10

amadey evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://5.42.96.141

Attributes

install_dir
908f070dff
install_file
explorku.exe
strings_key
b25a9385246248a95c600f9a061438e1
url_paths
/go34ko8/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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe

Executes dropped EXE 3 IoCs

pid	Process
4532	explorku.exe
4728	explorku.exe
3584	explorku.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Wine	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Wine	explorku.exe
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Wine	explorku.exe
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Wine	explorku.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2808	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe
4532	explorku.exe
4728	explorku.exe
3584	explorku.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorku.job	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2808	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe
2808	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe
4532	explorku.exe
4532	explorku.exe
4728	explorku.exe
4728	explorku.exe
3584	explorku.exe
3584	explorku.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 4532	2808	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe	93
PID 2808 wrote to memory of 4532	2808	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe	93
PID 2808 wrote to memory of 4532	2808	42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe	93

C:\Users\Admin\AppData\Local\Temp\42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.exe
"C:\Users\Admin\AppData\Local\Temp\42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e.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:2808
- C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
  "C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.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:4532

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=1020,i,3724086843943218842,1026644135694712596,262144 --variations-seed-version --mojo-platform-channel-handle=3744 /prefetch:8
1⤵
PID:436

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.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:4728

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.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:3584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe

Filesize
1.8MB

MD5
236047d1f096ba1fd1de61e67c45c3e3

SHA1
75724bdd9d7402417613878200ac2c92178f37de

SHA256
42359ea4a3a839b72def474b66ee6b06009d542d866d83984db31008cddde22e

SHA512
4a826ba12fdcc3fc60558e6f6cb21f8fa26ffb3b48ead0a7703f96af6db2d38f9e00238152b6e839515555188aa0b84dbbd3d0ba298ebb17e40597b8c4bb0b2f

Download Submit
memory/2808-0-0x0000000000940000-0x0000000000DE8000-memory.dmp

Filesize
4.7MB

Download
memory/2808-1-0x0000000076F14000-0x0000000076F16000-memory.dmp

Filesize
8KB

Download
memory/2808-2-0x0000000000941000-0x000000000096F000-memory.dmp

Filesize
184KB

Download
memory/2808-3-0x0000000000940000-0x0000000000DE8000-memory.dmp

Filesize
4.7MB

Download
memory/2808-5-0x0000000000940000-0x0000000000DE8000-memory.dmp

Filesize
4.7MB

Download
memory/2808-17-0x0000000000940000-0x0000000000DE8000-memory.dmp

Filesize
4.7MB

Download
memory/3584-42-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/3584-41-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-27-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-37-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-22-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-23-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-24-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-25-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-26-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-20-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-28-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-45-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-44-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-43-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-18-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-34-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-35-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-36-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-21-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-38-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-39-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4532-19-0x0000000000C21000-0x0000000000C4F000-memory.dmp

Filesize
184KB

Download
memory/4728-33-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4728-32-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4728-31-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download
memory/4728-30-0x0000000000C20000-0x00000000010C8000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads