amadey | 821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65

Analysis

max time kernel
141s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 00:42

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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

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	1272	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

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

Executes dropped EXE 3 IoCs

pid	Process
2728	defnur.exe
1536	be7b1e3f3f.exe
1760	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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	defnur.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe

Loads dropped DLL 7 IoCs

pid	Process
2148	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
1272	rundll32.exe
1272	rundll32.exe
1272	rundll32.exe
1272	rundll32.exe
2728	defnur.exe
1096	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\kreon = "C:\\Users\\Admin\\AppData\\Local\\kreon.exe"	be7b1e3f3f.exe

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

Web Service

T1102

flow	ioc
11	raw.githubusercontent.com
12	raw.githubusercontent.com
17	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.

flow	ioc
9	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2148	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
2728	defnur.exe

Drops file in Windows directory 1 IoCs

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

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

pid	Process
2940	cmd.exe
1096	cmd.exe
1612	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1612	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2148	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
2728	defnur.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2148	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2728	2148	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe	30
PID 2148 wrote to memory of 2728	2148	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe	30
PID 2148 wrote to memory of 2728	2148	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe	30
PID 2148 wrote to memory of 2728	2148	821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe	30
PID 2728 wrote to memory of 1272	2728	defnur.exe	33
PID 2728 wrote to memory of 1272	2728	defnur.exe	33
PID 2728 wrote to memory of 1272	2728	defnur.exe	33
PID 2728 wrote to memory of 1272	2728	defnur.exe	33
PID 2728 wrote to memory of 1272	2728	defnur.exe	33
PID 2728 wrote to memory of 1272	2728	defnur.exe	33
PID 2728 wrote to memory of 1272	2728	defnur.exe	33
PID 2728 wrote to memory of 1536	2728	defnur.exe	35
PID 2728 wrote to memory of 1536	2728	defnur.exe	35
PID 2728 wrote to memory of 1536	2728	defnur.exe	35
PID 2728 wrote to memory of 1536	2728	defnur.exe	35
PID 1536 wrote to memory of 2940	1536	be7b1e3f3f.exe	36
PID 1536 wrote to memory of 2940	1536	be7b1e3f3f.exe	36
PID 1536 wrote to memory of 2940	1536	be7b1e3f3f.exe	36
PID 2940 wrote to memory of 1096	2940	cmd.exe	38
PID 2940 wrote to memory of 1096	2940	cmd.exe	38
PID 2940 wrote to memory of 1096	2940	cmd.exe	38
PID 1096 wrote to memory of 1612	1096	cmd.exe	40
PID 1096 wrote to memory of 1612	1096	cmd.exe	40
PID 1096 wrote to memory of 1612	1096	cmd.exe	40
PID 1096 wrote to memory of 1760	1096	cmd.exe	41
PID 1096 wrote to memory of 1760	1096	cmd.exe	41
PID 1096 wrote to memory of 1760	1096	cmd.exe	41

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
- 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:2148
- 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
  - 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:2728
- - 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:1272
- - C:\Users\Admin\AppData\Local\Temp\10004090101\be7b1e3f3f.exe
    "C:\Users\Admin\AppData\Local\Temp\10004090101\be7b1e3f3f.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1536
  - - 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:2940
    - - C:\Windows\system32\cmd.exe
        
        cmd /C "ping localhost -n 1 && start C:\Users\Admin\AppData\Local\kreon.exe"
        5⤵
        Loads dropped DLL
        System Network Configuration Discovery: Internet Connection Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1096
      - C:\Windows\system32\PING.EXE
        
        ping localhost -n 1
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:1612
      - C:\Users\Admin\AppData\Local\kreon.exe
        
        C:\Users\Admin\AppData\Local\kreon.exe
        6⤵
        Executes dropped EXE
        
        PID:1760

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
9d4a9c3c0ccc213e939705b68bc06ae0

SHA1
f49c4bb80aa0d67b5e2cc24df96e22bf0460068b

SHA256
ec0fe9f6847d106cd7a7838f6e34160f5a890e10eac467da1c7bd23bf1e81b69

SHA512
47518cddae6e56dcc95fbdbf6e72d02f557703bd5d97de23bc029dae28bfbdaf33a498423117b98f4d473d557fe36d313ee3e29da6f8225ad7effba269c31486

Download Submit
C:\Users\Admin\AppData\Local\Temp\10004090101\be7b1e3f3f.exe

Filesize
3.5MB

MD5
ca480193e4b8159dd1283118ebde8896

SHA1
857fb4852f31428ead5e2d9fbd5bfb16d9714d1a

SHA256
377717dd342a9169589d1e2c8509d12ceafe9c43b3407ab16771ec611a367a2a

SHA512
a49927f1dffe8d14f592e767415c490f4bdc9fb5d7ce45f10f5e6c7aa5c20b79412abc8d4f799cfd88aeeac3ef73f55a9710503a9a612efb5d414ec95a3e7ed9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab2C60.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2C91.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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/2148-3-0x0000000000BE0000-0x0000000001092000-memory.dmp

Filesize
4.7MB

Download
memory/2148-15-0x0000000006FF0000-0x00000000074A2000-memory.dmp

Filesize
4.7MB

Download
memory/2148-14-0x0000000000BE0000-0x0000000001092000-memory.dmp

Filesize
4.7MB

Download
memory/2148-5-0x0000000000BE0000-0x0000000001092000-memory.dmp

Filesize
4.7MB

Download
memory/2148-2-0x0000000000BE1000-0x0000000000C0F000-memory.dmp

Filesize
184KB

Download
memory/2148-1-0x0000000077620000-0x0000000077622000-memory.dmp

Filesize
8KB

Download
memory/2148-0-0x0000000000BE0000-0x0000000001092000-memory.dmp

Filesize
4.7MB

Download
memory/2728-36-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-165-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-23-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-22-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-21-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-20-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-18-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-17-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-164-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-24-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-166-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-167-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-168-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-169-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-170-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-171-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-172-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-173-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-174-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download
memory/2728-175-0x0000000000BB0000-0x0000000001062000-memory.dmp

Filesize
4.7MB

Download