amadey | 1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d

Analysis

max time kernel
141s
max time network
143s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 17:02

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General

Target

1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe
Size

3.0MB
MD5

9c5d114ce9d0008f2f10b8065b0f3bcd
SHA1

bb55eae46c7c5df146693981498e0c4bf22ee9e5
SHA256

1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d
SHA512

8dfe5e1369fc5b9f9518c50b9e64b460127905ac1eb81ddd592af4e3891a3f41c39057323fff965f8039464acd55da632d354d252ab25bd8d9377b5535623a30
SSDEEP

49152:zbqzGqEs/TRMr4ydSGWr3epgIrLvOUcCx9SUMK16dLeavoT5XJjlk0N:E0s/TRdydArkgInvcCx9vMKIdqavgxd

Score

10^/10

amadey gcleaner 9c9aa5 discovery evasion loader trojan

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

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
GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a8c3b6306e.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 6 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	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe
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	a8c3b6306e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a8c3b6306e.exe

Executes dropped EXE 2 IoCs

pid	Process
1652	skotes.exe
900	a8c3b6306e.exe

Identifies Wine through registry keys 2 TTPs 3 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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	a8c3b6306e.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe

Loads dropped DLL 5 IoCs

pid	Process
2700	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe
2700	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe
1652	skotes.exe
1652	skotes.exe
900	a8c3b6306e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2700	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe
1652	skotes.exe
900	a8c3b6306e.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.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 3 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	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8c3b6306e.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2700	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe
1652	skotes.exe
900	a8c3b6306e.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2700	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 1652	2700	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe	30
PID 2700 wrote to memory of 1652	2700	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe	30
PID 2700 wrote to memory of 1652	2700	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe	30
PID 2700 wrote to memory of 1652	2700	1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe	30
PID 1652 wrote to memory of 900	1652	skotes.exe	32
PID 1652 wrote to memory of 900	1652	skotes.exe	32
PID 1652 wrote to memory of 900	1652	skotes.exe	32
PID 1652 wrote to memory of 900	1652	skotes.exe	32

C:\Users\Admin\AppData\Local\Temp\1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.exe
"C:\Users\Admin\AppData\Local\Temp\1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d.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:2700
- 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
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Users\Admin\AppData\Local\Temp\1013760001\a8c3b6306e.exe
    "C:\Users\Admin\AppData\Local\Temp\1013760001\a8c3b6306e.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0I0VVMWQ\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\Temp\1013760001\a8c3b6306e.exe

Filesize
1.9MB

MD5
b16a303612f8717a90851727a25fdf61

SHA1
20281be28ae8c170b6dff5939fabd5616e9b7d23

SHA256
14a7faa5a16cbc6e031beb668ec24d78b04d8fe4959766cf11722932b93317dc

SHA512
c1c83b89a760997dc6740d940628fb7d68e3d82018b55c428ac1fcec0cde4b81ca943ef3dfd247212a14dd5b0eac20e4b4ba7f55b6154ea33a75920be032e196

Download Submit
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

Filesize
3.0MB

MD5
9c5d114ce9d0008f2f10b8065b0f3bcd

SHA1
bb55eae46c7c5df146693981498e0c4bf22ee9e5

SHA256
1658f0e2c9dfe87a46080d606c06ebbfd93f4d85b92a00c0da651f756cf2d04d

SHA512
8dfe5e1369fc5b9f9518c50b9e64b460127905ac1eb81ddd592af4e3891a3f41c39057323fff965f8039464acd55da632d354d252ab25bd8d9377b5535623a30

Download Submit
\Users\Admin\AppData\Local\Temp\DEFRwdFs31D\Y-Cleaner.exe

Filesize
1.4MB

MD5
a8cf5621811f7fac55cfe8cb3fa6b9f6

SHA1
121356839e8138a03141f5f5856936a85bd2a474

SHA256
614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c

SHA512
4479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd

Download Submit
memory/900-84-0x0000000000400000-0x0000000000C71000-memory.dmp

Filesize
8.4MB

Download
memory/900-72-0x0000000000400000-0x0000000000C71000-memory.dmp

Filesize
8.4MB

Download
memory/900-66-0x0000000000400000-0x0000000000C71000-memory.dmp

Filesize
8.4MB

Download
memory/900-58-0x0000000000400000-0x0000000000C71000-memory.dmp

Filesize
8.4MB

Download
memory/900-59-0x0000000000400000-0x0000000000C71000-memory.dmp

Filesize
8.4MB

Download
memory/900-53-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/900-44-0x0000000000400000-0x0000000000C71000-memory.dmp

Filesize
8.4MB

Download
memory/1652-48-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-85-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-34-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-41-0x0000000006810000-0x0000000007081000-memory.dmp

Filesize
8.4MB

Download
memory/1652-45-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-42-0x0000000006810000-0x0000000007081000-memory.dmp

Filesize
8.4MB

Download
memory/1652-22-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-46-0x0000000000D51000-0x0000000000DB9000-memory.dmp

Filesize
416KB

Download
memory/1652-47-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-94-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-21-0x0000000000D51000-0x0000000000DB9000-memory.dmp

Filesize
416KB

Download
memory/1652-56-0x0000000006810000-0x0000000007081000-memory.dmp

Filesize
8.4MB

Download
memory/1652-19-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-93-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-62-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-92-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-91-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-68-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-90-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-74-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-89-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-88-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-24-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-86-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/1652-87-0x0000000000D50000-0x0000000001057000-memory.dmp

Filesize
3.0MB

Download
memory/2700-1-0x0000000077760000-0x0000000077762000-memory.dmp

Filesize
8KB

Download
memory/2700-2-0x0000000000241000-0x00000000002A9000-memory.dmp

Filesize
416KB

Download
memory/2700-3-0x0000000000240000-0x0000000000547000-memory.dmp

Filesize
3.0MB

Download
memory/2700-5-0x0000000000240000-0x0000000000547000-memory.dmp

Filesize
3.0MB

Download
memory/2700-18-0x0000000000240000-0x0000000000547000-memory.dmp

Filesize
3.0MB

Download
memory/2700-20-0x0000000000241000-0x00000000002A9000-memory.dmp

Filesize
416KB

Download
memory/2700-0-0x0000000000240000-0x0000000000547000-memory.dmp

Filesize
3.0MB

Download