amadey | 51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de

General

Target

51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe
Size

1.8MB
MD5

f6dda666a364b3ebd7628cbad0601cb8
SHA1

e1b063a09268a6bcd74679d4d71118437fdcc986
SHA256

51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de
SHA512

c9cbc87064c3e8054723eddb94235533c028ddfcab2d08c696bbd8e99aa351ae9f0797dfcd7797a05c2d2ac0b40020e526864422521e4a89b792be038e27d92c
SSDEEP

49152:0KRWwn8TTEWh8VC9PXnTE/VMUeg8gwTO:0K4w8TTEgw/Vkg8TT

Score

10^/10

amadey fed3aa discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes

install_dir
44111dbc49
install_file
axplong.exe
strings_key
8d0ad6945b1a30a186ec2d30be6db0b5
url_paths
/Jo89Ku7d/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__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.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	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	axplong.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	axplong.exe

Loads dropped DLL 2 IoCs

pid	Process
548	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe
548	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
548	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe
2792	axplong.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_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	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
548	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe
2792	axplong.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
548	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 2792	548	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe	31
PID 548 wrote to memory of 2792	548	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe	31
PID 548 wrote to memory of 2792	548	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe	31
PID 548 wrote to memory of 2792	548	51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe	31

C:\Users\Admin\AppData\Local\Temp\51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_Sigmanly.exe
"C:\Users\Admin\AppData\Local\Temp\51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de_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:548
- C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
  "C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.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:2792

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\44111dbc49\axplong.exe

Filesize
1.8MB

MD5
f6dda666a364b3ebd7628cbad0601cb8

SHA1
e1b063a09268a6bcd74679d4d71118437fdcc986

SHA256
51d36e8ab041d9bed637e4eb74400652bb95de582a0a178a8f5eab95bd0c22de

SHA512
c9cbc87064c3e8054723eddb94235533c028ddfcab2d08c696bbd8e99aa351ae9f0797dfcd7797a05c2d2ac0b40020e526864422521e4a89b792be038e27d92c

Download Submit
memory/548-17-0x0000000007330000-0x00000000077EA000-memory.dmp

Filesize
4.7MB

Download
memory/548-1-0x00000000779B0000-0x00000000779B2000-memory.dmp

Filesize
8KB

Download
memory/548-2-0x0000000000A41000-0x0000000000A6F000-memory.dmp

Filesize
184KB

Download
memory/548-3-0x0000000000A40000-0x0000000000EFA000-memory.dmp

Filesize
4.7MB

Download
memory/548-4-0x0000000000A40000-0x0000000000EFA000-memory.dmp

Filesize
4.7MB

Download
memory/548-19-0x0000000000A40000-0x0000000000EFA000-memory.dmp

Filesize
4.7MB

Download
memory/548-0-0x0000000000A40000-0x0000000000EFA000-memory.dmp

Filesize
4.7MB

Download
memory/548-20-0x0000000007330000-0x00000000077EA000-memory.dmp

Filesize
4.7MB

Download
memory/2792-27-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-33-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-23-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-25-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-26-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-21-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-28-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-29-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-30-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-31-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-32-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-22-0x0000000000F51000-0x0000000000F7F000-memory.dmp

Filesize
184KB

Download
memory/2792-34-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-35-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-36-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-37-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-38-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-39-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-40-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-41-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download
memory/2792-42-0x0000000000F50000-0x000000000140A000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads