amadey | 9c43b8f6793d12e08d84a3380c338675473db6c17838831a76d3b480b493c5c5

Analysis

max time kernel
151s
max time network
159s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
17-07-2024 10:22

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General

Target

170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe
Size

1.8MB
MD5

b85fa0d79d936b8b006c535d006c7f29
SHA1

210085d4f3cf1cf08c34baa5bfba0b0fc5a6c639
SHA256

170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c
SHA512

263b04b455dd7af8455eca46ff9cf833d53a8a3d3c3a4bdf3cfc2edfcf6993c19f2ecc6f2a61ad4c35b57264e3e08f545358c994eb8078aeb1d0403b218da9a9
SSDEEP

49152:K23fbpRhR0OiwF7BESrgRSzLBEF7YcMs6:3zhR9FdVOFSz

Score

10^/10

amadey e76b71 evasion trojan

Malware Config

Extracted

Family

amadey

Version

8254624243

Botnet

e76b71

http://77.91.77.81

Attributes

install_dir
8254624243
install_file
axplong.exe
strings_key
90049e51fabf09df0d6748e0b271922e
url_paths
/Kiru9gu/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan 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__	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.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	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe

Executes dropped EXE 2 IoCs

pid	Process
2656	axplong.exe
2400	leg222.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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Wine	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Wine	axplong.exe

Loads dropped DLL 5 IoCs

pid	Process
2080	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe
2656	axplong.exe
2884	WerFault.exe
2884	WerFault.exe
2884	WerFault.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2080	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe
2656	axplong.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2884	2400	WerFault.exe	31

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2080	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe
2656	axplong.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2080	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2656	2080	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe	30
PID 2080 wrote to memory of 2656	2080	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe	30
PID 2080 wrote to memory of 2656	2080	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe	30
PID 2080 wrote to memory of 2656	2080	170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe	30
PID 2656 wrote to memory of 2400	2656	axplong.exe	31
PID 2656 wrote to memory of 2400	2656	axplong.exe	31
PID 2656 wrote to memory of 2400	2656	axplong.exe	31
PID 2656 wrote to memory of 2400	2656	axplong.exe	31
PID 2400 wrote to memory of 2884	2400	leg222.exe	33
PID 2400 wrote to memory of 2884	2400	leg222.exe	33
PID 2400 wrote to memory of 2884	2400	leg222.exe	33
PID 2400 wrote to memory of 2884	2400	leg222.exe	33

C:\Users\Admin\AppData\Local\Temp\170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.exe
"C:\Users\Admin\AppData\Local\Temp\170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\8254624243\axplong.exe
  "C:\Users\Admin\AppData\Local\Temp\8254624243\axplong.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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Users\Admin\AppData\Local\Temp\1000160001\leg222.exe
    "C:\Users\Admin\AppData\Local\Temp\1000160001\leg222.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2400
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 96
      4⤵
      Loads dropped DLL
      Program crash
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1000160001\leg222.exe

Filesize
1.1MB

MD5
5486fd5b8200f34b23f23a21f8912ade

SHA1
379f7b095751116c9a6c56d0945ca12ae122d253

SHA256
1ecf603a32b23fdf06e0260f314f5390e9c062d74fa2fe65b05754e83c41df46

SHA512
e9ad33509efc7303b09a9633f9f6136bba807deca3b9032a91475a66c038b4a1df44e036d9f7acae63f1854df65d47c00c59e6e3d79e7c44a5a6ae631c512f3f

Download Submit
C:\Users\Admin\AppData\Local\Temp\8254624243\axplong.exe

Filesize
1.8MB

MD5
b85fa0d79d936b8b006c535d006c7f29

SHA1
210085d4f3cf1cf08c34baa5bfba0b0fc5a6c639

SHA256
170004b7b6bab6c3c860a6402f9d3d8988e4f3de7682e28738c3c27ac33b0e1c

SHA512
263b04b455dd7af8455eca46ff9cf833d53a8a3d3c3a4bdf3cfc2edfcf6993c19f2ecc6f2a61ad4c35b57264e3e08f545358c994eb8078aeb1d0403b218da9a9

Download Submit
memory/2080-1-0x0000000077370000-0x0000000077372000-memory.dmp

Filesize
8KB

Download
memory/2080-2-0x0000000000C41000-0x0000000000C6F000-memory.dmp

Filesize
184KB

Download
memory/2080-3-0x0000000000C40000-0x00000000010ED000-memory.dmp

Filesize
4.7MB

Download
memory/2080-4-0x0000000000C40000-0x00000000010ED000-memory.dmp

Filesize
4.7MB

Download
memory/2080-6-0x0000000000C40000-0x00000000010ED000-memory.dmp

Filesize
4.7MB

Download
memory/2080-10-0x0000000000C40000-0x00000000010ED000-memory.dmp

Filesize
4.7MB

Download
memory/2080-16-0x00000000065C0000-0x0000000006A6D000-memory.dmp

Filesize
4.7MB

Download
memory/2080-19-0x0000000000C40000-0x00000000010ED000-memory.dmp

Filesize
4.7MB

Download
memory/2080-0-0x0000000000C40000-0x00000000010ED000-memory.dmp

Filesize
4.7MB

Download
memory/2400-40-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/2656-47-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-18-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-21-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-49-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-48-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-42-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-43-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-44-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-45-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-46-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-24-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-23-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-20-0x0000000001101000-0x000000000112F000-memory.dmp

Filesize
184KB

Download
memory/2656-50-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-51-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-52-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-53-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-54-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-55-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-56-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download
memory/2656-57-0x0000000001100000-0x00000000015AD000-memory.dmp

Filesize
4.7MB

Download