amadey | 39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96

Resubmissions

19/04/2024, 01:20

240419-bp7d1ade6x 10

18/04/2024, 22:31

240418-2fpqpshf91 10

Analysis

max time kernel
58s
max time network
64s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 01:20

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General

Target

39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe
Size

2.9MB
MD5

991ad8f508243cc6706d30d800cd5016
SHA1

8bde1d4bb724e947826ff19c90e5685f31eb5fef
SHA256

39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96
SHA512

e76ddd0777a17fd1d28f860301602f03b729beb067adcfded6503ee9a4f3898dc064caf3c8b80e0e803be67685667005d2a9816e1eaf40ac25584a711f5ac3a5
SSDEEP

24576:bpGE2viqfRCgCfZIXcsUbODj6tmIvZaJaTtkCqwMrcUVnF+cD4I6cG8f1WWCwFGp:TQiwCDZkpNIRdc/l4I6IWFwFI/+Wdh

Score

10^/10

amadey evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.18

http://193.233.132.56

Attributes

install_dir
09fd851a4f
install_file
explorha.exe
strings_key
443351145ece4966ded809641c77cfa8
url_paths
/Pneh2sXQk0/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__	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe

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	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe

Executes dropped EXE 1 IoCs

pid	Process
2408	explorha.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-1-5-21-330940541-141609230-1670313778-1000\Software\Wine	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Wine	explorha.exe

Loads dropped DLL 2 IoCs

pid	Process
2888	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe
2888	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2888	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe
2408	explorha.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorha.job	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2888	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe
2408	explorha.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2888	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2408	2888	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe	28
PID 2888 wrote to memory of 2408	2888	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe	28
PID 2888 wrote to memory of 2408	2888	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe	28
PID 2888 wrote to memory of 2408	2888	39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe	28

C:\Users\Admin\AppData\Local\Temp\39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.exe
"C:\Users\Admin\AppData\Local\Temp\39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96.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:2888
- C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
  "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"
  2⤵
  - 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:2408

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

\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe

Filesize
2.9MB

MD5
991ad8f508243cc6706d30d800cd5016

SHA1
8bde1d4bb724e947826ff19c90e5685f31eb5fef

SHA256
39fcb4bc84140884e41e12a83482eb84c8ac3515a06d658f0f6e39b153315c96

SHA512
e76ddd0777a17fd1d28f860301602f03b729beb067adcfded6503ee9a4f3898dc064caf3c8b80e0e803be67685667005d2a9816e1eaf40ac25584a711f5ac3a5

Download Submit
memory/2408-47-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/2408-51-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/2408-60-0x00000000000D0000-0x00000000003E8000-memory.dmp

Filesize
3.1MB

Download
memory/2408-59-0x00000000000D0000-0x00000000003E8000-memory.dmp

Filesize
3.1MB

Download
memory/2408-58-0x00000000000D0000-0x00000000003E8000-memory.dmp

Filesize
3.1MB

Download
memory/2408-57-0x00000000000D0000-0x00000000003E8000-memory.dmp

Filesize
3.1MB

Download
memory/2408-56-0x00000000000D0000-0x00000000003E8000-memory.dmp

Filesize
3.1MB

Download
memory/2408-55-0x00000000000D0000-0x00000000003E8000-memory.dmp

Filesize
3.1MB

Download
memory/2408-54-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/2408-36-0x00000000000D0000-0x00000000003E8000-memory.dmp

Filesize
3.1MB

Download
memory/2408-35-0x00000000000D0000-0x00000000003E8000-memory.dmp

Filesize
3.1MB

Download
memory/2408-53-0x00000000000D0000-0x00000000003E8000-memory.dmp

Filesize
3.1MB

Download
memory/2408-52-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2408-37-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2408-50-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/2408-48-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download
memory/2408-45-0x0000000002000000-0x0000000002001000-memory.dmp

Filesize
4KB

Download
memory/2408-46-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/2408-44-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

Filesize
4KB

Download
memory/2408-42-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/2408-43-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2408-40-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/2408-41-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/2408-39-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

Filesize
4KB

Download
memory/2408-38-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/2888-14-0x0000000000990000-0x0000000000991000-memory.dmp

Filesize
4KB

Download
memory/2888-10-0x0000000000C10000-0x0000000000C11000-memory.dmp

Filesize
4KB

Download
memory/2888-11-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/2888-2-0x0000000000FC0000-0x00000000012D8000-memory.dmp

Filesize
3.1MB

Download
memory/2888-33-0x00000000062C0000-0x00000000065D8000-memory.dmp

Filesize
3.1MB

Download
memory/2888-34-0x0000000000FC0000-0x00000000012D8000-memory.dmp

Filesize
3.1MB

Download
memory/2888-1-0x0000000077320000-0x0000000077322000-memory.dmp

Filesize
8KB

Download
memory/2888-20-0x0000000000E00000-0x0000000000E01000-memory.dmp

Filesize
4KB

Download
memory/2888-19-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/2888-18-0x0000000000C30000-0x0000000000C31000-memory.dmp

Filesize
4KB

Download
memory/2888-0-0x0000000000FC0000-0x00000000012D8000-memory.dmp

Filesize
3.1MB

Download
memory/2888-16-0x0000000000C40000-0x0000000000C41000-memory.dmp

Filesize
4KB

Download
memory/2888-15-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/2888-13-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download
memory/2888-31-0x0000000000FC0000-0x00000000012D8000-memory.dmp

Filesize
3.1MB

Download
memory/2888-12-0x00000000009A0000-0x00000000009A1000-memory.dmp

Filesize
4KB

Download
memory/2888-9-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/2888-7-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download
memory/2888-8-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/2888-6-0x0000000000C20000-0x0000000000C21000-memory.dmp

Filesize
4KB

Download
memory/2888-5-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download
memory/2888-3-0x0000000000B80000-0x0000000000B81000-memory.dmp

Filesize
4KB

Download
memory/2888-4-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download