amadey | a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852

General

Target

a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe
Size

3.1MB
MD5

38d53527adfde4805bb2d3b965d0b69e
SHA1

7a0059ad8ed7f74840b5015dc2804a0c06e18ef2
SHA256

a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852
SHA512

f18207130bbb07b777832e57a64989e9ee3c3eba6309ac7af8a9dd59bac00e86bde25b31abddea06a9877abd2fd309c883d06f22842422e43521bb17a36ae9b7
SSDEEP

49152:yokNJ04kUo8vyeZ9kscwNbRPbL3Xadf3bZSRMehrVn7H4qk:yQUyeZ9kpibJbL3XO/bZ/m5Y

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__	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.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	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
2672	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2672	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe
2732	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.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	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2672	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe
2732	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2672	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2732	2672	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe	30
PID 2672 wrote to memory of 2732	2672	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe	30
PID 2672 wrote to memory of 2732	2672	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe	30
PID 2672 wrote to memory of 2732	2672	a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe	30

C:\Users\Admin\AppData\Local\Temp\a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.exe
"C:\Users\Admin\AppData\Local\Temp\a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852.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:2672
- 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:2732

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\abc3bc1985\skotes.exe

Filesize
3.1MB

MD5
38d53527adfde4805bb2d3b965d0b69e

SHA1
7a0059ad8ed7f74840b5015dc2804a0c06e18ef2

SHA256
a1b61c8a399e61d811f743d526dabf25817bb09c77d40e0d7af4ac44469f3852

SHA512
f18207130bbb07b777832e57a64989e9ee3c3eba6309ac7af8a9dd59bac00e86bde25b31abddea06a9877abd2fd309c883d06f22842422e43521bb17a36ae9b7

Download Submit
memory/2672-0-0x0000000000A80000-0x0000000000D98000-memory.dmp

Filesize
3.1MB

Download
memory/2672-1-0x00000000770A0000-0x00000000770A2000-memory.dmp

Filesize
8KB

Download
memory/2672-2-0x0000000000A81000-0x0000000000AE9000-memory.dmp

Filesize
416KB

Download
memory/2672-3-0x0000000000A80000-0x0000000000D98000-memory.dmp

Filesize
3.1MB

Download
memory/2672-5-0x0000000000A80000-0x0000000000D98000-memory.dmp

Filesize
3.1MB

Download
memory/2672-14-0x0000000000A80000-0x0000000000D98000-memory.dmp

Filesize
3.1MB

Download
memory/2672-17-0x0000000000A81000-0x0000000000AE9000-memory.dmp

Filesize
416KB

Download
memory/2732-25-0x0000000001261000-0x00000000012C9000-memory.dmp

Filesize
416KB

Download
memory/2732-29-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-18-0x0000000001261000-0x00000000012C9000-memory.dmp

Filesize
416KB

Download
memory/2732-21-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-22-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-23-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-16-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-24-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-26-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-27-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-28-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-19-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-30-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-31-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-32-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-33-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-34-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-35-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-36-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-37-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download
memory/2732-38-0x0000000001260000-0x0000000001578000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads