amadey | 017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08

Analysis

max time kernel
141s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 19:07

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General

Target

017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe
Size

1.8MB
MD5

fcef19f8625006d98f0f55d5723b5298
SHA1

4944a4b08c759e674cc37fdaedeea148ef758744
SHA256

017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08
SHA512

23af21f03a7a863baf5618be447297f06f35283f1d5e13fc9c8ee109bb6526cdedeaa16df559d9e42c909fa197aa67db7c64929be534f7246db94b27c7992d30
SSDEEP

49152:5WFDSDNlEstMehfBwe/WHGZDPgVW0DW40fNQ2:PNqs+ejL/ZDY50z

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__	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	defnur.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	2976	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	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	defnur.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	defnur.exe

Executes dropped EXE 3 IoCs

pid	Process
2604	defnur.exe
1132	bfb6f4ffb5.exe
1568	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	defnur.exe

Loads dropped DLL 7 IoCs

pid	Process
2848	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe
2976	rundll32.exe
2976	rundll32.exe
2976	rundll32.exe
2976	rundll32.exe
2604	defnur.exe
1904	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\kreon = "C:\\Users\\Admin\\AppData\\Local\\kreon.exe"	bfb6f4ffb5.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
2848	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe
2604	defnur.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\defnur.job	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.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	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.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

pid	Process
444	cmd.exe
1904	cmd.exe
1944	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1944	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2848	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe
2604	defnur.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2848	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2604	2848	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe	30
PID 2848 wrote to memory of 2604	2848	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe	30
PID 2848 wrote to memory of 2604	2848	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe	30
PID 2848 wrote to memory of 2604	2848	017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe	30
PID 2604 wrote to memory of 2976	2604	defnur.exe	32
PID 2604 wrote to memory of 2976	2604	defnur.exe	32
PID 2604 wrote to memory of 2976	2604	defnur.exe	32
PID 2604 wrote to memory of 2976	2604	defnur.exe	32
PID 2604 wrote to memory of 2976	2604	defnur.exe	32
PID 2604 wrote to memory of 2976	2604	defnur.exe	32
PID 2604 wrote to memory of 2976	2604	defnur.exe	32
PID 2604 wrote to memory of 1132	2604	defnur.exe	34
PID 2604 wrote to memory of 1132	2604	defnur.exe	34
PID 2604 wrote to memory of 1132	2604	defnur.exe	34
PID 2604 wrote to memory of 1132	2604	defnur.exe	34
PID 1132 wrote to memory of 444	1132	bfb6f4ffb5.exe	35
PID 1132 wrote to memory of 444	1132	bfb6f4ffb5.exe	35
PID 1132 wrote to memory of 444	1132	bfb6f4ffb5.exe	35
PID 444 wrote to memory of 1904	444	cmd.exe	37
PID 444 wrote to memory of 1904	444	cmd.exe	37
PID 444 wrote to memory of 1904	444	cmd.exe	37
PID 1904 wrote to memory of 1944	1904	cmd.exe	39
PID 1904 wrote to memory of 1944	1904	cmd.exe	39
PID 1904 wrote to memory of 1944	1904	cmd.exe	39
PID 1904 wrote to memory of 1568	1904	cmd.exe	40
PID 1904 wrote to memory of 1568	1904	cmd.exe	40
PID 1904 wrote to memory of 1568	1904	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe
"C:\Users\Admin\AppData\Local\Temp\017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.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:2848
- 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:2604
- - 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:2976
- - C:\Users\Admin\AppData\Local\Temp\10004450101\bfb6f4ffb5.exe
    "C:\Users\Admin\AppData\Local\Temp\10004450101\bfb6f4ffb5.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1132
  - - 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:444
    - - 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:1904
      - C:\Windows\system32\PING.EXE
        
        ping localhost -n 1
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:1944
      - C:\Users\Admin\AppData\Local\kreon.exe
        
        C:\Users\Admin\AppData\Local\kreon.exe
        6⤵
        Executes dropped EXE
        
        PID:1568

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
4bce281569b9dcaf36af46f744286947

SHA1
86a2ed8dc24a56a155cb5a58003fe380e154c9ce

SHA256
291abfd2f36b00382a1bff191d7db7b163ca28e7fac65d47111255bf7760aa61

SHA512
cd1f2b993316045af1a47c1e4eb717e92a9846047a91ce352f066ba7f94a7c0c42e9d24f09bf2ab0af8ccdc9037909592ea1cbcda071d4f9dbba40d09d551d2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\10004450101\bfb6f4ffb5.exe

Filesize
3.5MB

MD5
ca480193e4b8159dd1283118ebde8896

SHA1
857fb4852f31428ead5e2d9fbd5bfb16d9714d1a

SHA256
377717dd342a9169589d1e2c8509d12ceafe9c43b3407ab16771ec611a367a2a

SHA512
a49927f1dffe8d14f592e767415c490f4bdc9fb5d7ce45f10f5e6c7aa5c20b79412abc8d4f799cfd88aeeac3ef73f55a9710503a9a612efb5d414ec95a3e7ed9

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabC7F3.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC805.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
124KB

MD5
0d3418372c854ee228b78e16ea7059be

SHA1
c0a29d4e74d39308a50f4fd21d0cca1f98cb02c1

SHA256
885bf0b3b12b77ef3f953fbb48def1b45079faa2a4d574ee16afdbafa1de3ac7

SHA512
e30dced307e04ae664367a998cd1ba36349e99e363f70897b5d90c898de2c69c393182c3afba63a74956b5e6f49f0635468e88ed31dd1e3c86c21e987ddd2c19

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

Filesize
1.8MB

MD5
fcef19f8625006d98f0f55d5723b5298

SHA1
4944a4b08c759e674cc37fdaedeea148ef758744

SHA256
017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08

SHA512
23af21f03a7a863baf5618be447297f06f35283f1d5e13fc9c8ee109bb6526cdedeaa16df559d9e42c909fa197aa67db7c64929be534f7246db94b27c7992d30

Download Submit
memory/2604-166-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-167-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-173-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-19-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-18-0x0000000000DE1000-0x0000000000E0F000-memory.dmp

Filesize
184KB

Download
memory/2604-21-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-22-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-23-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-172-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-35-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-171-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-170-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-169-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-168-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-162-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-163-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-164-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-165-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2604-17-0x0000000000DE0000-0x000000000129E000-memory.dmp

Filesize
4.7MB

Download
memory/2848-0-0x0000000000B60000-0x000000000101E000-memory.dmp

Filesize
4.7MB

Download
memory/2848-1-0x00000000775F0000-0x00000000775F2000-memory.dmp

Filesize
8KB

Download
memory/2848-2-0x0000000000B61000-0x0000000000B8F000-memory.dmp

Filesize
184KB

Download
memory/2848-3-0x0000000000B60000-0x000000000101E000-memory.dmp

Filesize
4.7MB

Download
memory/2848-5-0x0000000000B60000-0x000000000101E000-memory.dmp

Filesize
4.7MB

Download
memory/2848-15-0x0000000006D40000-0x00000000071FE000-memory.dmp

Filesize
4.7MB

Download
memory/2848-14-0x0000000000B60000-0x000000000101E000-memory.dmp

Filesize
4.7MB

Download