amadey | e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196

General

Target

file.exe
Size

1.8MB
MD5

b6041e0fe108db5e8addcf6d6b4da4bf
SHA1

4f6d688e4294362965c5e74999cd6f4c24566956
SHA256

e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196
SHA512

7f64d463e9540a3625b5e68b4afdf4237b0241c144c5fb047d86bfb8491a51f68c34c57566d09b67013b10325a5da0b04664a30539d125ce6b85438846fa1b95
SSDEEP

49152:YjBUKhKl0VrRLsa7d/yVaFHd25wLSEC3ymriMz:Yj/KlYRQa7dyVuw5wLSE6ymriM

Score

10^/10

amadey fed3aa discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes

install_dir
44111dbc49
install_file
axplong.exe
strings_key
8d0ad6945b1a30a186ec2d30be6db0b5
url_paths
/Jo89Ku7d/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 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe

Checks BIOS information in registry 2 TTPs 4 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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	axplong.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	axplong.exe

Loads dropped DLL 1 IoCs

pid	Process
3028	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3028	file.exe
2704	axplong.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	file.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3028	file.exe
2704	axplong.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3028	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2704	3028	file.exe	30
PID 3028 wrote to memory of 2704	3028	file.exe	30
PID 3028 wrote to memory of 2704	3028	file.exe	30
PID 3028 wrote to memory of 2704	3028	file.exe	30

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
  "C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2704

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

3

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

Filesize
1.8MB

MD5
b6041e0fe108db5e8addcf6d6b4da4bf

SHA1
4f6d688e4294362965c5e74999cd6f4c24566956

SHA256
e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196

SHA512
7f64d463e9540a3625b5e68b4afdf4237b0241c144c5fb047d86bfb8491a51f68c34c57566d09b67013b10325a5da0b04664a30539d125ce6b85438846fa1b95

Download Submit
memory/2704-31-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-37-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-23-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-24-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-36-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-35-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-34-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-17-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-18-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-19-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-21-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-22-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-33-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-25-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-32-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-26-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-27-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-28-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-29-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/2704-30-0x00000000010C0000-0x000000000156C000-memory.dmp

Filesize
4.7MB

Download
memory/3028-0-0x0000000001390000-0x000000000183C000-memory.dmp

Filesize
4.7MB

Download
memory/3028-2-0x0000000001391000-0x00000000013BF000-memory.dmp

Filesize
184KB

Download
memory/3028-3-0x0000000001390000-0x000000000183C000-memory.dmp

Filesize
4.7MB

Download
memory/3028-16-0x0000000001390000-0x000000000183C000-memory.dmp

Filesize
4.7MB

Download
memory/3028-1-0x0000000077020000-0x0000000077022000-memory.dmp

Filesize
8KB

Download
memory/3028-10-0x0000000001390000-0x000000000183C000-memory.dmp

Filesize
4.7MB

Download
memory/3028-4-0x0000000001390000-0x000000000183C000-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