amadey | e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c

General

Target

e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe
Size

3.1MB
MD5

0a8673bbea31ae21e9e87be408752436
SHA1

a8c29df353c7af7928ce3e24a9f606f0787109ac
SHA256

e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c
SHA512

31d1336cf35adecbed5d42e6910b24fbe01e4671aa12815c5d1d00b27f93228f35f290f570c4142622d53f8b91b4adc764020ec2d52a5ed18794308ebc64aad3
SSDEEP

49152:aUnOVfsVG4mPq3wMSk7+7NNnAXbfHQfiXCbSByOPssk:vnafcXmPUwMSk7+TnuLyTO0

Score

10^/10

amadey 9c9aa5 discovery evasion 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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.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	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.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
2636	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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
2256	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2256	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe
2636	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.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	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2256	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe
2636	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2256	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2636	2256	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe	30
PID 2256 wrote to memory of 2636	2256	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe	30
PID 2256 wrote to memory of 2636	2256	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe	30
PID 2256 wrote to memory of 2636	2256	e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe	30

C:\Users\Admin\AppData\Local\Temp\e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.exe
"C:\Users\Admin\AppData\Local\Temp\e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c_Sigmanly.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:2256
- 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:2636

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
3.1MB

MD5
0a8673bbea31ae21e9e87be408752436

SHA1
a8c29df353c7af7928ce3e24a9f606f0787109ac

SHA256
e2ae261a55bc83c0e3c9ab657a16d2c76a329b6a4ff40370119e079f2631b69c

SHA512
31d1336cf35adecbed5d42e6910b24fbe01e4671aa12815c5d1d00b27f93228f35f290f570c4142622d53f8b91b4adc764020ec2d52a5ed18794308ebc64aad3

Download Submit
memory/2256-17-0x00000000008A1000-0x0000000000909000-memory.dmp

Filesize
416KB

Download
memory/2256-1-0x0000000077650000-0x0000000077652000-memory.dmp

Filesize
8KB

Download
memory/2256-2-0x00000000008A1000-0x0000000000909000-memory.dmp

Filesize
416KB

Download
memory/2256-3-0x00000000008A0000-0x0000000000BBA000-memory.dmp

Filesize
3.1MB

Download
memory/2256-5-0x00000000008A0000-0x0000000000BBA000-memory.dmp

Filesize
3.1MB

Download
memory/2256-15-0x00000000008A0000-0x0000000000BBA000-memory.dmp

Filesize
3.1MB

Download
memory/2256-0-0x00000000008A0000-0x0000000000BBA000-memory.dmp

Filesize
3.1MB

Download
memory/2636-24-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-30-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-19-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-21-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-22-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-23-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-16-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-26-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-25-0x0000000001101000-0x0000000001169000-memory.dmp

Filesize
416KB

Download
memory/2636-28-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-29-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-18-0x0000000001101000-0x0000000001169000-memory.dmp

Filesize
416KB

Download
memory/2636-31-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-32-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-33-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-34-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-35-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-36-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-37-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-38-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-39-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download
memory/2636-40-0x0000000001100000-0x000000000141A000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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