amadey | 094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7

General

Target

094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe
Size

1.8MB
MD5

204b820ac458bb5929040fcfdf6840c3
SHA1

00f16b786040abb7f04eb6b6bcaee9efa52dc5f1
SHA256

094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7
SHA512

466138efc927c60d2cf0495d40a6be24c17f08867d75fa38f46568d0e11604db7865fb51274bc615ed67b03d056fd5ab323a0a29bef947ccc2edd9da12df3ca9
SSDEEP

49152:jlWjcCb3NgplmMn73GquxXK3wP4Ii5UNdKv5E2f:jlWoCbEAMnKtx6UVgW

Score

10^/10

amadey 0e6740 discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

0e6740

C2

http://147.45.47.155

Attributes

install_dir
9217037dc9
install_file
explortu.exe
strings_key
8e894a8a4a3d0da8924003a561cfb244
url_paths
/ku4Nor9/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

Processes:

094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exeexplortu.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.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

Processes:

094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exeexplortu.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.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:

094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-195445723-368091294-1661186673-1000\Control Panel\International\Geo\Nation	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe

Executes dropped EXE 1 IoCs

Processes:

explortu.exe

pid process

4476 explortu.exe

pid	process
4476	explortu.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

Processes:

explortu.exe094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-195445723-368091294-1661186673-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-195445723-368091294-1661186673-1000\Software\Wine	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exeexplortu.exe

pid process

4688 094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe
4476 explortu.exe
Drops file in Windows directory 1 IoCs

Processes:

094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe

description ioc process

File created C:\Windows\Tasks\explortu.job 094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.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\explortu.job	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe

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

Processes:

094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exeexplortu.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explortu.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exeexplortu.exe

pid	process
4688	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe
4688	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe
4476	explortu.exe
4476	explortu.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe

pid process

4688 094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe

description	pid	process	target process
PID 4688 wrote to memory of 4476	4688	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe	explortu.exe
PID 4688 wrote to memory of 4476	4688	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe	explortu.exe
PID 4688 wrote to memory of 4476	4688	094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe	explortu.exe

C:\Users\Admin\AppData\Local\Temp\094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.exe
"C:\Users\Admin\AppData\Local\Temp\094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
  "C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4476

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

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\9217037dc9\explortu.exe

Filesize
1.8MB

MD5
204b820ac458bb5929040fcfdf6840c3

SHA1
00f16b786040abb7f04eb6b6bcaee9efa52dc5f1

SHA256
094abd04a4a443a8ba8ad028cd1891aa62c1bb509afef99e5914286a246ebaa7

SHA512
466138efc927c60d2cf0495d40a6be24c17f08867d75fa38f46568d0e11604db7865fb51274bc615ed67b03d056fd5ab323a0a29bef947ccc2edd9da12df3ca9

Download Submit
memory/4476-18-0x0000000000570000-0x0000000000A33000-memory.dmp

Filesize
4.8MB

Download
memory/4476-19-0x0000000000571000-0x000000000059F000-memory.dmp

Filesize
184KB

Download
memory/4476-20-0x0000000000570000-0x0000000000A33000-memory.dmp

Filesize
4.8MB

Download
memory/4476-21-0x0000000000570000-0x0000000000A33000-memory.dmp

Filesize
4.8MB

Download
memory/4476-22-0x0000000000570000-0x0000000000A33000-memory.dmp

Filesize
4.8MB

Download
memory/4688-0-0x00000000003D0000-0x0000000000893000-memory.dmp

Filesize
4.8MB

Download
memory/4688-1-0x0000000077D44000-0x0000000077D46000-memory.dmp

Filesize
8KB

Download
memory/4688-2-0x00000000003D1000-0x00000000003FF000-memory.dmp

Filesize
184KB

Download
memory/4688-3-0x00000000003D0000-0x0000000000893000-memory.dmp

Filesize
4.8MB

Download
memory/4688-5-0x00000000003D0000-0x0000000000893000-memory.dmp

Filesize
4.8MB

Download
memory/4688-17-0x00000000003D0000-0x0000000000893000-memory.dmp

Filesize
4.8MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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