amadey | 4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5

General

Target

4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe
Size

1.8MB
MD5

06408230917803fc68f352692ae47303
SHA1

dc8b4f1484e83826b33ce5801def1baf5f72d23a
SHA256

4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5
SHA512

2111fb782b2a9fce4f45c5106ef80a4bcc034d42ec3bb02900a6b0fa056b5447d53e3b64d0d24e0978ea73c74b685088a9605a2357423ee4844aafcee304cea9
SSDEEP

49152:3s6StqPQKmSNkniQ2AVxTjOKABMUhOPVpb0cCKfVeZ:LYqPQkNyiQZ5jEBThOPVpb1y

Score

10^/10

amadey 9c9aa5 defense_evasion discovery trojan

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes

install_dir
abc3bc1985
install_file
skotes.exe
strings_key
8a35cf2ea38c2817dba29a4b5b25dcf0
url_paths
/Zu7JuNko/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey
Amadey family
amadey

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	skotes.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	skotes.exe

Loads dropped DLL 2 IoCs

pid	Process
2348	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe
2348	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2348	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe
2816	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.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	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2348	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe
2816	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2348	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2816	2348	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe	31
PID 2348 wrote to memory of 2816	2348	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe	31
PID 2348 wrote to memory of 2816	2348	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe	31
PID 2348 wrote to memory of 2816	2348	4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe	31

C:\Users\Admin\AppData\Local\Temp\4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.exe
"C:\Users\Admin\AppData\Local\Temp\4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5.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:2348
- C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
  "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.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:2816

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

\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

Filesize
1.8MB

MD5
06408230917803fc68f352692ae47303

SHA1
dc8b4f1484e83826b33ce5801def1baf5f72d23a

SHA256
4a8fed3b517adb5fc2c5f4f67cf4464ea2218d4f81030758034de2eea80cdea5

SHA512
2111fb782b2a9fce4f45c5106ef80a4bcc034d42ec3bb02900a6b0fa056b5447d53e3b64d0d24e0978ea73c74b685088a9605a2357423ee4844aafcee304cea9

Download Submit
memory/2348-0-0x0000000000BF0000-0x00000000010B2000-memory.dmp

Filesize
4.8MB

Download
memory/2348-1-0x0000000077A00000-0x0000000077A02000-memory.dmp

Filesize
8KB

Download
memory/2348-2-0x0000000000BF1000-0x0000000000C1F000-memory.dmp

Filesize
184KB

Download
memory/2348-3-0x0000000000BF0000-0x00000000010B2000-memory.dmp

Filesize
4.8MB

Download
memory/2348-4-0x0000000000BF0000-0x00000000010B2000-memory.dmp

Filesize
4.8MB

Download
memory/2348-18-0x0000000007090000-0x0000000007552000-memory.dmp

Filesize
4.8MB

Download
memory/2348-17-0x0000000000BF0000-0x00000000010B2000-memory.dmp

Filesize
4.8MB

Download
memory/2816-27-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-30-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-22-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-24-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-25-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-26-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-20-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-28-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-29-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-21-0x0000000000191000-0x00000000001BF000-memory.dmp

Filesize
184KB

Download
memory/2816-31-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-32-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-33-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-34-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-35-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-36-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-37-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-38-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-39-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download
memory/2816-40-0x0000000000190000-0x0000000000652000-memory.dmp

Filesize
4.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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