amadey | 0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5

Analysis

max time kernel
111s
max time network
106s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/11/2024, 05:31

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General

Target

0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe
Size

1.8MB
MD5

1b76ce01a75d21a292f4c1385d625380
SHA1

40cea1325440d9c274e5c425216c9c6180172dcf
SHA256

0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5
SHA512

8ebda3dd5a543c5fb7d1b7e408756f5db2b276f33af4df819e2ed8f3264efb8771d14143b7c8bb1ff0e4ea64159eb2010d9118308cf4fdd756357d07ea65e3f8
SSDEEP

49152:X6bTxx/XKRwms7jgJDV2QT3pp2ARtemRW8mVT+7f:XEd0rsv4DVN1pZRtemRKVT+7f

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__	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	defnur.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	2528	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	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.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
2292	defnur.exe
2012	4d35c8a4fe.exe
1712	klops.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	defnur.exe

Loads dropped DLL 7 IoCs

pid	Process
2904	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2292	defnur.exe
2236	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\klops = "C:\\Users\\Admin\\AppData\\Local\\klops.exe"	4d35c8a4fe.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
2904	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe
2292	defnur.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\defnur.job	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.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	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.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
2236	cmd.exe
1076	PING.EXE
1124	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1076	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2904	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe
2292	defnur.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2904	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2292	2904	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe	28
PID 2904 wrote to memory of 2292	2904	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe	28
PID 2904 wrote to memory of 2292	2904	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe	28
PID 2904 wrote to memory of 2292	2904	0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe	28
PID 2292 wrote to memory of 2528	2292	defnur.exe	32
PID 2292 wrote to memory of 2528	2292	defnur.exe	32
PID 2292 wrote to memory of 2528	2292	defnur.exe	32
PID 2292 wrote to memory of 2528	2292	defnur.exe	32
PID 2292 wrote to memory of 2528	2292	defnur.exe	32
PID 2292 wrote to memory of 2528	2292	defnur.exe	32
PID 2292 wrote to memory of 2528	2292	defnur.exe	32
PID 2292 wrote to memory of 2012	2292	defnur.exe	34
PID 2292 wrote to memory of 2012	2292	defnur.exe	34
PID 2292 wrote to memory of 2012	2292	defnur.exe	34
PID 2292 wrote to memory of 2012	2292	defnur.exe	34
PID 2012 wrote to memory of 1124	2012	4d35c8a4fe.exe	35
PID 2012 wrote to memory of 1124	2012	4d35c8a4fe.exe	35
PID 2012 wrote to memory of 1124	2012	4d35c8a4fe.exe	35
PID 1124 wrote to memory of 2236	1124	cmd.exe	37
PID 1124 wrote to memory of 2236	1124	cmd.exe	37
PID 1124 wrote to memory of 2236	1124	cmd.exe	37
PID 2236 wrote to memory of 1076	2236	cmd.exe	39
PID 2236 wrote to memory of 1076	2236	cmd.exe	39
PID 2236 wrote to memory of 1076	2236	cmd.exe	39
PID 2236 wrote to memory of 1712	2236	cmd.exe	40
PID 2236 wrote to memory of 1712	2236	cmd.exe	40
PID 2236 wrote to memory of 1712	2236	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.exe
"C:\Users\Admin\AppData\Local\Temp\0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5N.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:2904
- 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:2292
- - 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:2528
- - C:\Users\Admin\AppData\Local\Temp\10003230101\4d35c8a4fe.exe
    "C:\Users\Admin\AppData\Local\Temp\10003230101\4d35c8a4fe.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:2012
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c start cmd /C "ping localhost -n 1 && start C:\Users\Admin\AppData\Local\klops.exe"
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:1124
    - - C:\Windows\system32\cmd.exe
        
        cmd /C "ping localhost -n 1 && start C:\Users\Admin\AppData\Local\klops.exe"
        5⤵
        Loads dropped DLL
        System Network Configuration Discovery: Internet Connection Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2236
      - C:\Windows\system32\PING.EXE
        
        ping localhost -n 1
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:1076
      - C:\Users\Admin\AppData\Local\klops.exe
        
        C:\Users\Admin\AppData\Local\klops.exe
        6⤵
        Executes dropped EXE
        
        PID:1712

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
f1efac5cd46bc2a7e647101c241a6d84

SHA1
b3c4a689d8ec4b69ac9f138ea43e2f7a32f2fd7d

SHA256
edde19cf760b7bd9e168f343f1a167105d7eb93b50ca317e337b0ef404663704

SHA512
37c2273f7990eaa64b0551be3aab5aa2d93122bd0fcbd301e57217350b8155f243a121e6fa1d7761ecbdab961b411507101ebc36c02047b315b34c0c2c6c7766

Download Submit
C:\Users\Admin\AppData\Local\Temp\10003230101\4d35c8a4fe.exe

Filesize
3.5MB

MD5
c63a8ca4db450d6e09cb1d3709c893ad

SHA1
fc6ee19f76ecd5b361b02d0f9e2aaa2a0ca59010

SHA256
5d5e5e00b2683092a89e16c271369a03aea176e466b29205df5730b26e19b4b7

SHA512
36d10d4a1981aed0e930bda1a66afc99b1f5e4e412921f9f4c2e0a140bdc1f17d6b1f0b7a379e03fa47c26e0f71a31591d946a219eb17e5652c97c46b6fbde0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabF1EF.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF221.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
1b76ce01a75d21a292f4c1385d625380

SHA1
40cea1325440d9c274e5c425216c9c6180172dcf

SHA256
0925922fdbe39d656f15635e1475b3daccdcbe6aed4555e8dddba81b4e9cd9e5

SHA512
8ebda3dd5a543c5fb7d1b7e408756f5db2b276f33af4df819e2ed8f3264efb8771d14143b7c8bb1ff0e4ea64159eb2010d9118308cf4fdd756357d07ea65e3f8

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

Filesize
124KB

MD5
0d3418372c854ee228b78e16ea7059be

SHA1
c0a29d4e74d39308a50f4fd21d0cca1f98cb02c1

SHA256
885bf0b3b12b77ef3f953fbb48def1b45079faa2a4d574ee16afdbafa1de3ac7

SHA512
e30dced307e04ae664367a998cd1ba36349e99e363f70897b5d90c898de2c69c393182c3afba63a74956b5e6f49f0635468e88ed31dd1e3c86c21e987ddd2c19

Download Submit
memory/2292-26-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-41-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-174-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-18-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-19-0x0000000000871000-0x000000000089F000-memory.dmp

Filesize
184KB

Download
memory/2292-20-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-21-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-24-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-22-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-25-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-173-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-27-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-28-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-29-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-172-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-171-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-170-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-169-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-168-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-167-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2292-166-0x0000000000870000-0x0000000000D1F000-memory.dmp

Filesize
4.7MB

Download
memory/2904-1-0x0000000077530000-0x0000000077532000-memory.dmp

Filesize
8KB

Download
memory/2904-2-0x00000000012F1000-0x000000000131F000-memory.dmp

Filesize
184KB

Download
memory/2904-3-0x00000000012F0000-0x000000000179F000-memory.dmp

Filesize
4.7MB

Download
memory/2904-4-0x00000000012F0000-0x000000000179F000-memory.dmp

Filesize
4.7MB

Download
memory/2904-11-0x00000000012F0000-0x000000000179F000-memory.dmp

Filesize
4.7MB

Download
memory/2904-6-0x00000000012F0000-0x000000000179F000-memory.dmp

Filesize
4.7MB

Download
memory/2904-0-0x00000000012F0000-0x000000000179F000-memory.dmp

Filesize
4.7MB

Download
memory/2904-17-0x00000000012F0000-0x000000000179F000-memory.dmp

Filesize
4.7MB

Download