amadey | 1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b

Analysis

max time kernel
143s
max time network
141s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
04/05/2024, 03:50

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General

Target
1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe
Size 1.8MB
Sample240504-edyt9sfd92
SHA256 1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b
MD5 e67c8b3e5ec9f64052fcd2f45341cfa5
SHA1 0d809a3d9bc171d7a0dcbf2b6c3f3b009444adc9
SHA512 fe4c0e98881465a6627522f1d484983ebc9298870107156986a5bd6e5db78d7c4d1fda9b2b2de663efd343fd90a01df058a85895b8bb1347b2026fb327a66624
SSDEEP 49152:cEn984TQ5OfyNqCq9/eMwfbsbTWX/cEeprH+/hngYQgDqa:7e4M5eyNqCuGCT2/cprH+/Rgcea
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey evasion execution spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

4.18

http://193.233.132.56

Attributes

install_dir
09fd851a4f
install_file
explorha.exe
strings_key
443351145ece4966ded809641c77cfa8
url_paths
/Pneh2sXQk0/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 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	408	rundll32.exe
4	644	rundll32.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 8 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	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe

Executes dropped EXE 3 IoCs

pid	Process
4128	explorha.exe
3456	explorha.exe
3648	explorha.exe

Identifies Wine through registry keys 2 TTPs 4 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-1-5-21-2994005945-4089876968-1367784197-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Wine	1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe

Loads dropped DLL 3 IoCs

pid	Process
3156	rundll32.exe
408	rundll32.exe
644	rundll32.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
1964	1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe
4128	explorha.exe
3456	explorha.exe
3648	explorha.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorha.job	1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3904	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1964	1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe
1964	1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe
4128	explorha.exe
4128	explorha.exe
408	rundll32.exe
408	rundll32.exe
408	rundll32.exe
408	rundll32.exe
408	rundll32.exe
408	rundll32.exe
408	rundll32.exe
408	rundll32.exe
408	rundll32.exe
408	rundll32.exe
3904	powershell.exe
3904	powershell.exe
3456	explorha.exe
3456	explorha.exe
3648	explorha.exe
3648	explorha.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3904	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 4128	1964	1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe	82
PID 1964 wrote to memory of 4128	1964	1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe	82
PID 1964 wrote to memory of 4128	1964	1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe	82
PID 4128 wrote to memory of 3156	4128	explorha.exe	83
PID 4128 wrote to memory of 3156	4128	explorha.exe	83
PID 4128 wrote to memory of 3156	4128	explorha.exe	83
PID 3156 wrote to memory of 408	3156	rundll32.exe	84
PID 3156 wrote to memory of 408	3156	rundll32.exe	84
PID 408 wrote to memory of 4804	408	rundll32.exe	85
PID 408 wrote to memory of 4804	408	rundll32.exe	85
PID 408 wrote to memory of 3904	408	rundll32.exe	87
PID 408 wrote to memory of 3904	408	rundll32.exe	87
PID 4128 wrote to memory of 644	4128	explorha.exe	89
PID 4128 wrote to memory of 644	4128	explorha.exe	89
PID 4128 wrote to memory of 644	4128	explorha.exe	89

C:\Users\Admin\AppData\Local\Temp\1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe
"C:\Users\Admin\AppData\Local\Temp\1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
  "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4128
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3156
  - - C:\Windows\system32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:408
    - - C:\Windows\system32\netsh.exe
        
        netsh wlan show profiles
        5⤵
        
        PID:4804
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\994005945408_Desktop.zip' -CompressionLevel Optimal
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3904
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    PID:644

C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
1⤵
- 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
- Suspicious behavior: EnumeratesProcesses
PID:3456

C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
1⤵
- 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
- Suspicious behavior: EnumeratesProcesses
PID:3648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

explorha.exe

Path C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
Size 1.8MB
SHA256 1a94ae9809af376b056d751363c524c22284d4bd978f30723deb2c1f8307245b
MD5 e67c8b3e5ec9f64052fcd2f45341cfa5
SHA1 0d809a3d9bc171d7a0dcbf2b6c3f3b009444adc9
SHA512 fe4c0e98881465a6627522f1d484983ebc9298870107156986a5bd6e5db78d7c4d1fda9b2b2de663efd343fd90a01df058a85895b8bb1347b2026fb327a66624
SSDEEP 49152:cEn984TQ5OfyNqCq9/eMwfbsbTWX/cEeprH+/hngYQgDqa:7e4M5eyNqCuGCT2/cprH+/Rgcea
MD5 SHA1 SHA512 SSDEEP

Submit Download

__PSScriptPolicyTest_qa310a1c.i05.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qa310a1c.i05.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

clip64.dll

Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll
Size 109KB
SHA256 12fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46
MD5 726cd06231883a159ec1ce28dd538699
SHA1 404897e6a133d255ad5a9c26ac6414d7134285a2
SHA512 9ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e
SSDEEP 3072:Q3uSD+ZwruS0bGcuZRt2sSZV/Q3IegRQod4l:AuTiabHuZRAFtlD4l
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
Size 1.2MB
SHA256 3c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103
MD5 15a42d3e4579da615a384c717ab2109b
SHA1 22aeedeb2307b1370cdab70d6a6b6d2c13ad2301
SHA512 1eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444
SSDEEP 24576:IvkQL6YY4wMPSYZofkf0Gh6Pi41+a9uyP5dggky+yC7:IsMPSYcS5wPi095Pbg9y
MD5 SHA1 SHA512 SSDEEP

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memory/1964-5-0x00000000004D0000-0x000000000097D000-memory.dmp

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memory/1964-0-0x00000000004D0000-0x000000000097D000-memory.dmp

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memory/1964-17-0x00000000004D0000-0x000000000097D000-memory.dmp

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memory/1964-3-0x00000000004D0000-0x000000000097D000-memory.dmp

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memory/1964-2-0x00000000004D1000-0x0000000000500000-memory.dmp

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memory/1964-1-0x0000000076FA6000-0x0000000076FA8000-memory.dmp

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memory/3456-67-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/3456-66-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/3648-76-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/3648-75-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/3904-39-0x0000027AC7360000-0x0000027AC7382000-memory.dmp

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memory/3904-43-0x0000027AC7590000-0x0000027AC75A2000-memory.dmp

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memory/3904-44-0x0000027AC7570000-0x0000027AC757A000-memory.dmp

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memory/4128-51-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-69-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-22-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-60-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-63-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-64-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-21-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-20-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-68-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-50-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-70-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-71-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-72-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-73-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-19-0x0000000000011000-0x0000000000040000-memory.dmp

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memory/4128-18-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-77-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-78-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-79-0x0000000000010000-0x00000000004BD000-memory.dmp

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memory/4128-80-0x0000000000010000-0x00000000004BD000-memory.dmp

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