amadey | 2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5

General

Target

2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.exe
Size

1.8MB
MD5

44f6004630007026ed35d9037f3d447d
SHA1

79922204b4741197dfb045f6243f8d4abf7b655d
SHA256

2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5
SHA512

6aaaa94f531c410a506b30a93b338ff97f5e066618898a5225ab1825f6da030a6ba41838501f0e94269daa13bcf7789f21b8699d01b3fdad4688f0d07544a641
SSDEEP

24576:u5qhtFifs6C2D/ZbEPwCjSxvDP8QllwwRJ3olYbQYDWQifu04QCoh2dOw6efpiu9:Z2jZ4PwWCP8QswR30d204bohPw7fUx

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__	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.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__	explorku.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\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	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.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	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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.exe

Executes dropped EXE 3 IoCs

pid	Process
2148	explorku.exe
3444	explorku.exe
4724	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-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorku.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorku.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorku.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4816	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.exe
2148	explorku.exe
3444	explorku.exe
4724	explorku.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorku.job	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.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
4816	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.exe
4816	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.exe
2148	explorku.exe
2148	explorku.exe
3444	explorku.exe
3444	explorku.exe
4724	explorku.exe
4724	explorku.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 2148	4816	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.exe	80
PID 4816 wrote to memory of 2148	4816	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.exe	80
PID 4816 wrote to memory of 2148	4816	2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.exe	80

C:\Users\Admin\AppData\Local\Temp\2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.exe
"C:\Users\Admin\AppData\Local\Temp\2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5.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:4816
- 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:2148

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:3444

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:4724

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
44f6004630007026ed35d9037f3d447d

SHA1
79922204b4741197dfb045f6243f8d4abf7b655d

SHA256
2fbb454dfee76dd9c72e45e134acff79da30a6b007305c852b3d293c69af30d5

SHA512
6aaaa94f531c410a506b30a93b338ff97f5e066618898a5225ab1825f6da030a6ba41838501f0e94269daa13bcf7789f21b8699d01b3fdad4688f0d07544a641

Download Submit
memory/2148-27-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-44-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-26-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-45-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-43-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-18-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-42-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-19-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-20-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-21-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-22-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-23-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-24-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-25-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-46-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-39-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-38-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-37-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-36-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-35-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/2148-34-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/3444-33-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/3444-31-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/3444-30-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/3444-29-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/4724-41-0x0000000000020000-0x00000000004DE000-memory.dmp

Filesize
4.7MB

Download
memory/4816-17-0x0000000000330000-0x00000000007EE000-memory.dmp

Filesize
4.7MB

Download
memory/4816-2-0x0000000000331000-0x000000000035F000-memory.dmp

Filesize
184KB

Download
memory/4816-1-0x00000000772D4000-0x00000000772D6000-memory.dmp

Filesize
8KB

Download
memory/4816-0-0x0000000000330000-0x00000000007EE000-memory.dmp

Filesize
4.7MB

Download
memory/4816-5-0x0000000000330000-0x00000000007EE000-memory.dmp

Filesize
4.7MB

Download
memory/4816-3-0x0000000000330000-0x00000000007EE000-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