amadey | b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2

Analysis

max time kernel
111s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/11/2024, 15:12

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General

Target

b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe
Size

1.8MB
MD5

a29c95a9c8404c28175d5914c9452c4a
SHA1

aa89471c5dcfbd31ee480734cc69078c70e14ca2
SHA256

b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2
SHA512

168e40ae50b1da5c69eda97a29c8ceec6a801965c0572a3ffbe12684089f1f65963ef0fa50f752adf9c9d88215c0c05aebdeb9219d18bb3fd9443f2bc6ccf155
SSDEEP

49152:anuo3wzZrd9eSGQSfuSp0msUg99Kr3UHo3u:aLUZrd9eSSfuSp0m89H

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 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	defnur.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	defnur.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	defnur.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
21	2344	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	defnur.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	defnur.exe
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	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	defnur.exe

Executes dropped EXE 5 IoCs

pid	Process
928	defnur.exe
3080	defnur.exe
372	f2b3979628.exe
4272	kreon.exe
396	defnur.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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	defnur.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	defnur.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	defnur.exe

Loads dropped DLL 1 IoCs

pid	Process
2344	rundll32.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kreon = "C:\\Users\\Admin\\AppData\\Local\\kreon.exe"	f2b3979628.exe

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

Web Service

T1102

flow	ioc
26	raw.githubusercontent.com
27	raw.githubusercontent.com
34	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
24	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3440	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe
928	defnur.exe
3080	defnur.exe
396	defnur.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\defnur.job	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.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	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.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
2032	cmd.exe
3708	PING.EXE
4736	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3708	PING.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3440	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe
3440	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe
928	defnur.exe
928	defnur.exe
3080	defnur.exe
3080	defnur.exe
396	defnur.exe
396	defnur.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 928	3440	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe	84
PID 3440 wrote to memory of 928	3440	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe	84
PID 3440 wrote to memory of 928	3440	b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe	84
PID 928 wrote to memory of 2344	928	defnur.exe	93
PID 928 wrote to memory of 2344	928	defnur.exe	93
PID 928 wrote to memory of 2344	928	defnur.exe	93
PID 928 wrote to memory of 372	928	defnur.exe	94
PID 928 wrote to memory of 372	928	defnur.exe	94
PID 372 wrote to memory of 4736	372	f2b3979628.exe	95
PID 372 wrote to memory of 4736	372	f2b3979628.exe	95
PID 4736 wrote to memory of 2032	4736	cmd.exe	97
PID 4736 wrote to memory of 2032	4736	cmd.exe	97
PID 2032 wrote to memory of 3708	2032	cmd.exe	99
PID 2032 wrote to memory of 3708	2032	cmd.exe	99
PID 2032 wrote to memory of 4272	2032	cmd.exe	100
PID 2032 wrote to memory of 4272	2032	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe
"C:\Users\Admin\AppData\Local\Temp\b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.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 WriteProcessMemory
PID:3440
- 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:928
- - 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:2344
- - C:\Users\Admin\AppData\Local\Temp\10005330101\f2b3979628.exe
    "C:\Users\Admin\AppData\Local\Temp\10005330101\f2b3979628.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:372
  - - 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:4736
    - - 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:2032
      - C:\Windows\system32\PING.EXE
        
        ping localhost -n 1
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:3708
      - C:\Users\Admin\AppData\Local\kreon.exe
        
        C:\Users\Admin\AppData\Local\kreon.exe
        6⤵
        Executes dropped EXE
        
        PID:4272

C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe
C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.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:3080

C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe
C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.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:396

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
c75237de7aae9671155b1254821b5f04

SHA1
17adae96f5e946dc3d1e490f74f4821ff88a99d9

SHA256
00a81e30639781e52af23eef9547e1b536f434877fa1e2fd68cb68b8c26f0c9d

SHA512
c5dd859d2693858e5654b34d4cf1eb91c635c1f244cec2486fe6ce0faaddf9dad177c4ec48f2f7c25e897c6786b7d441945f788dac1080c27b278ce044844601

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

Filesize
412B

MD5
2c7e80b895bf4e26a8b17cb5be64faa2

SHA1
f63b428dba7a4dcbc14e289f2c1a61e2a6f62610

SHA256
38a442f9016f061cc753f788e3475db6f9002768ffe4faa459bc53c4930ce6d6

SHA512
d58923656d6afa13d2d5306f279655dbd986fd07dc5cd7c5cc907e5329471c1ddd23a99935a3cdf3ec4f26f32ff0b237d3ba9810d819b106706125805ca880a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\10005330101\f2b3979628.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
a29c95a9c8404c28175d5914c9452c4a

SHA1
aa89471c5dcfbd31ee480734cc69078c70e14ca2

SHA256
b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2

SHA512
168e40ae50b1da5c69eda97a29c8ceec6a801965c0572a3ffbe12684089f1f65963ef0fa50f752adf9c9d88215c0c05aebdeb9219d18bb3fd9443f2bc6ccf155

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

Filesize
124KB

MD5
0d3418372c854ee228b78e16ea7059be

SHA1
c0a29d4e74d39308a50f4fd21d0cca1f98cb02c1

SHA256
885bf0b3b12b77ef3f953fbb48def1b45079faa2a4d574ee16afdbafa1de3ac7

SHA512
e30dced307e04ae664367a998cd1ba36349e99e363f70897b5d90c898de2c69c393182c3afba63a74956b5e6f49f0635468e88ed31dd1e3c86c21e987ddd2c19

Download Submit
memory/396-79-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-29-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-74-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-19-0x0000000000CF1000-0x0000000000D1F000-memory.dmp

Filesize
184KB

Download
memory/928-20-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-21-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-84-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-24-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-83-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-82-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-81-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-80-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-30-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-31-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-18-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-40-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-76-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-75-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/928-73-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/3080-28-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/3080-27-0x0000000000CF1000-0x0000000000D1F000-memory.dmp

Filesize
184KB

Download
memory/3080-25-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/3080-23-0x0000000000CF0000-0x00000000011C0000-memory.dmp

Filesize
4.8MB

Download
memory/3440-2-0x0000000000021000-0x000000000004F000-memory.dmp

Filesize
184KB

Download
memory/3440-17-0x0000000000020000-0x00000000004F0000-memory.dmp

Filesize
4.8MB

Download
memory/3440-3-0x0000000000020000-0x00000000004F0000-memory.dmp

Filesize
4.8MB

Download
memory/3440-5-0x0000000000020000-0x00000000004F0000-memory.dmp

Filesize
4.8MB

Download
memory/3440-1-0x0000000077D34000-0x0000000077D36000-memory.dmp

Filesize
8KB

Download
memory/3440-0-0x0000000000020000-0x00000000004F0000-memory.dmp

Filesize
4.8MB

Download