amadey | a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b

General

Target

a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe
Size

1.8MB
MD5

7e7dd12e929d3d547cc88c21baecddc5
SHA1

e93c3b3fdf2125d59978edd75a85fe3d5397fa0d
SHA256

a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b
SHA512

37b8cf6cea4115437e1382902822cb8245dfe033be506cc4667a7e9303c5491f719f8627f62aa30bed8895cc41ef167d089d3284b5a92ca489f59087dc48889a
SSDEEP

24576:e5NoFdVHL6WWmTc24Gs6MhjjVnSHL8789ss7uCAhw4IE/QLLiXFU6jSi8GJF2ppS:bdduVL24JliL87g7uCAaE/zS6V8GDU

Score

10^/10

amadey 0657d1 discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

0657d1

C2

http://185.215.113.19

Attributes

install_dir
0d8f5eb8a7
install_file
explorti.exe
strings_key
6c55a5f34bb433fbd933a168577b1838
url_paths
/Vi9leo/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__	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.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\SystemBiosVersion	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe

Executes dropped EXE 1 IoCs

pid	Process
2864	explorti.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-1-5-21-3450744190-3404161390-554719085-1000\Software\Wine	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Wine	explorti.exe

Loads dropped DLL 1 IoCs

pid	Process
2692	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2692	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe
2864	explorti.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorti.job	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.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 1 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	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2692	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe
2864	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2692	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2864	2692	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe	31
PID 2692 wrote to memory of 2864	2692	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe	31
PID 2692 wrote to memory of 2864	2692	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe	31
PID 2692 wrote to memory of 2864	2692	a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe	31

C:\Users\Admin\AppData\Local\Temp\a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.exe
"C:\Users\Admin\AppData\Local\Temp\a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b.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:2692
- C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
  "C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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:2864

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\0d8f5eb8a7\explorti.exe

Filesize
1.8MB

MD5
7e7dd12e929d3d547cc88c21baecddc5

SHA1
e93c3b3fdf2125d59978edd75a85fe3d5397fa0d

SHA256
a3ac7a955dc3f036f392bdcb98b2929420a60f40799e3b21c6d435bd2775873b

SHA512
37b8cf6cea4115437e1382902822cb8245dfe033be506cc4667a7e9303c5491f719f8627f62aa30bed8895cc41ef167d089d3284b5a92ca489f59087dc48889a

Download Submit
memory/2692-5-0x0000000001360000-0x0000000001815000-memory.dmp

Filesize
4.7MB

Download
memory/2692-15-0x0000000001360000-0x0000000001815000-memory.dmp

Filesize
4.7MB

Download
memory/2692-18-0x0000000001360000-0x0000000001815000-memory.dmp

Filesize
4.7MB

Download
memory/2692-9-0x0000000001360000-0x0000000001815000-memory.dmp

Filesize
4.7MB

Download
memory/2692-19-0x0000000007100000-0x00000000075B5000-memory.dmp

Filesize
4.7MB

Download
memory/2692-3-0x0000000001360000-0x0000000001815000-memory.dmp

Filesize
4.7MB

Download
memory/2692-2-0x0000000001361000-0x000000000138F000-memory.dmp

Filesize
184KB

Download
memory/2692-1-0x0000000077580000-0x0000000077582000-memory.dmp

Filesize
8KB

Download
memory/2692-0-0x0000000001360000-0x0000000001815000-memory.dmp

Filesize
4.7MB

Download
memory/2864-17-0x0000000000BD0000-0x0000000001085000-memory.dmp

Filesize
4.7MB

Download
memory/2864-22-0x0000000000BD0000-0x0000000001085000-memory.dmp

Filesize
4.7MB

Download
memory/2864-21-0x0000000000BD0000-0x0000000001085000-memory.dmp

Filesize
4.7MB

Download
memory/2864-20-0x0000000000BD1000-0x0000000000BFF000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads