amadey | 821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 00:49

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General

Target

821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
Size

1.8MB
MD5

b94fa28743249de38b5bd60748d6cdc2
SHA1

d6f97d85fa9f8cb50ec6e4409e3e5d4a670cd6f9
SHA256

821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65
SHA512

d02d7560c74259da98f05716461a8af5f84faffa2046b1c23aa59eba76a87ab30fe0f0510ae3965fa02cf99a9b8948ebec11c07a3e838456a673a04642c8d09a
SSDEEP

49152:e+mvxOEOhyu1HYFC4brAfT6zcYFBAzDb7vYkUG:ApOEO7GAezcYFBWDb7L

Score

10^/10

amadey 4bee07 discovery evasion persistence trojan

Malware Config

Extracted

Family

amadey

Version

5.04

Botnet

4bee07

http://185.215.113.209

Attributes

install_dir
fc9e0aaab7
install_file
defnur.exe
strings_key
191655f008adc880f91bfc85bc56db54
url_paths
/Fru7Nk9/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

Processes:

defnur.exe821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	defnur.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow	pid	Process
22	1164	rundll32.exe

Downloads MZ/PE file

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

Processes:

821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exedefnur.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	defnur.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	defnur.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

defnur.exe821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	defnur.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe

Executes dropped EXE 3 IoCs

Processes:

defnur.exe7437bd7647.exekreon.exe

pid	Process
2548	defnur.exe
4268	7437bd7647.exe
4336	kreon.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

Processes:

821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exedefnur.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	defnur.exe

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid	Process
1164	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7437bd7647.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kreon = "C:\\Users\\Admin\\AppData\\Local\\kreon.exe"	7437bd7647.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

Processes:

flow	ioc
27	raw.githubusercontent.com
28	raw.githubusercontent.com
35	raw.githubusercontent.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
25	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exedefnur.exe

pid	Process
232	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
2548	defnur.exe

Drops file in Windows directory 1 IoCs

Processes:

821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe

description	ioc	Process
File created	C:\Windows\Tasks\defnur.job	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.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

Processes:

821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exedefnur.exerundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	defnur.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

Processes:

cmd.execmd.exePING.EXE

pid	Process
2432	cmd.exe
2664	cmd.exe
1128	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
1128	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exedefnur.exe

pid	Process
232	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
232	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
2548	defnur.exe
2548	defnur.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe

pid	Process
232	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exedefnur.exe7437bd7647.execmd.execmd.exe

description	pid	Process	procid_target
PID 232 wrote to memory of 2548	232	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe	86
PID 232 wrote to memory of 2548	232	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe	86
PID 232 wrote to memory of 2548	232	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe	86
PID 2548 wrote to memory of 1164	2548	defnur.exe	94
PID 2548 wrote to memory of 1164	2548	defnur.exe	94
PID 2548 wrote to memory of 1164	2548	defnur.exe	94
PID 2548 wrote to memory of 4268	2548	defnur.exe	95
PID 2548 wrote to memory of 4268	2548	defnur.exe	95
PID 4268 wrote to memory of 2432	4268	7437bd7647.exe	96
PID 4268 wrote to memory of 2432	4268	7437bd7647.exe	96
PID 2432 wrote to memory of 2664	2432	cmd.exe	98
PID 2432 wrote to memory of 2664	2432	cmd.exe	98
PID 2664 wrote to memory of 1128	2664	cmd.exe	100
PID 2664 wrote to memory of 1128	2664	cmd.exe	100
PID 2664 wrote to memory of 4336	2664	cmd.exe	101
PID 2664 wrote to memory of 4336	2664	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
"C:\Users\Admin\AppData\Local\Temp\821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- 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:232
- C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe
  "C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Checks computer location settings
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1164
- - C:\Users\Admin\AppData\Local\Temp\10004090101\7437bd7647.exe
    "C:\Users\Admin\AppData\Local\Temp\10004090101\7437bd7647.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:4268
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c start cmd /C "ping localhost -n 1 && start C:\Users\Admin\AppData\Local\kreon.exe"
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:2432
    - - C:\Windows\system32\cmd.exe
        
        cmd /C "ping localhost -n 1 && start C:\Users\Admin\AppData\Local\kreon.exe"
        5⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2664
      - C:\Windows\system32\PING.EXE
        
        ping localhost -n 1
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:1128
      - C:\Users\Admin\AppData\Local\kreon.exe
        
        C:\Users\Admin\AppData\Local\kreon.exe
        6⤵
        Executes dropped EXE
        
        PID:4336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419

Filesize
471B

MD5
3c80040483bbfa0321c628b2baf8beb3

SHA1
a2bd88894795a0315e3c7a0aaad598c8351eb4c7

SHA256
499ce321bdef01f5469bab13624e52f97dbebcae26e25463d6f19c815253113e

SHA512
5f888f8b547d2b0339d72a291123425c647a4b9a0f74947d4e7fecf212b4b979f84165525e47b71c7eb1afecf46aa87881507ff30ff68d80e7ddc5ecb80b29a7

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_49536AB5156BDD74EFF881D01C36A419

Filesize
412B

MD5
9f63de462e13ddba2e10ec171eb48a81

SHA1
82f1a4baf74bae30af68fca26dc61f4b9cd6c1d3

SHA256
9f80872ba537c9513eac2054bbedbacbbd3305f94d7e840925dc00adaf8d1a47

SHA512
138b924611d13bdffd2752c41be01c691f79670eba02ccda7381c3f874e1a79bde73bfec44ade4a3bce6b5148ea37c6a7ee762baff7d046e657ba744d42c884c

Download Submit
C:\Users\Admin\AppData\Local\Temp\10004090101\7437bd7647.exe

Filesize
3.5MB

MD5
ca480193e4b8159dd1283118ebde8896

SHA1
857fb4852f31428ead5e2d9fbd5bfb16d9714d1a

SHA256
377717dd342a9169589d1e2c8509d12ceafe9c43b3407ab16771ec611a367a2a

SHA512
a49927f1dffe8d14f592e767415c490f4bdc9fb5d7ce45f10f5e6c7aa5c20b79412abc8d4f799cfd88aeeac3ef73f55a9710503a9a612efb5d414ec95a3e7ed9

Download Submit
C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe

Filesize
1.8MB

MD5
b94fa28743249de38b5bd60748d6cdc2

SHA1
d6f97d85fa9f8cb50ec6e4409e3e5d4a670cd6f9

SHA256
821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65

SHA512
d02d7560c74259da98f05716461a8af5f84faffa2046b1c23aa59eba76a87ab30fe0f0510ae3965fa02cf99a9b8948ebec11c07a3e838456a673a04642c8d09a

Download Submit
C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll

Filesize
124KB

MD5
0d3418372c854ee228b78e16ea7059be

SHA1
c0a29d4e74d39308a50f4fd21d0cca1f98cb02c1

SHA256
885bf0b3b12b77ef3f953fbb48def1b45079faa2a4d574ee16afdbafa1de3ac7

SHA512
e30dced307e04ae664367a998cd1ba36349e99e363f70897b5d90c898de2c69c393182c3afba63a74956b5e6f49f0635468e88ed31dd1e3c86c21e987ddd2c19

Download Submit
memory/232-1-0x00000000777A4000-0x00000000777A6000-memory.dmp

Filesize
8KB

Download
memory/232-2-0x00000000003C1000-0x00000000003EF000-memory.dmp

Filesize
184KB

Download
memory/232-3-0x00000000003C0000-0x0000000000872000-memory.dmp

Filesize
4.7MB

Download
memory/232-4-0x00000000003C0000-0x0000000000872000-memory.dmp

Filesize
4.7MB

Download
memory/232-17-0x00000000003C0000-0x0000000000872000-memory.dmp

Filesize
4.7MB

Download
memory/232-0-0x00000000003C0000-0x0000000000872000-memory.dmp

Filesize
4.7MB

Download
memory/2548-32-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-68-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-22-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-21-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-20-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-19-0x00000000009F1000-0x0000000000A1F000-memory.dmp

Filesize
184KB

Download
memory/2548-18-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-66-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-67-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-23-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-69-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-70-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-71-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-72-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-73-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-74-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-75-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-76-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download
memory/2548-77-0x00000000009F0000-0x0000000000EA2000-memory.dmp

Filesize
4.7MB

Download