amadey | 257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
29-06-2024 23:01

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General

Target

257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe
Size

1.8MB
MD5

6f1a4e3c84bbb07847ffb8a5aafb2023
SHA1

a0328f246f67cbc5e6b120414c180b9f8e9ba13a
SHA256

257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5
SHA512

f33f876c3625f44c3086a5f8062c030a658fb8b1e0fd5f30a98fc6e5dc3647d77f59e04b6da19aaa005c28ed987a3b93d934e351b4f0b0af3c6e693208a15e83
SSDEEP

49152:vwiKS7M2ZQAnFACAbkeYRFLdiQ/8O5NQw:oiKKM2ZQAnFACAD4FLsN8Gw

Score

10^/10

amadey 4dd39d evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

http://77.91.77.82

Attributes

install_dir
ad40971b6b
install_file
explorti.exe
strings_key
a434973ad22def7137dbb5e059b7081e
url_paths
/Hun4Ko/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 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe

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

Processes:

257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe

Executes dropped EXE 3 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exe

pid process

4368 explorti.exe
644 explorti.exe
1584 explorti.exe

pid	process
4368	explorti.exe
644	explorti.exe
1584	explorti.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

Processes:

257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exeexplorti.exeexplorti.exeexplorti.exe

pid process

4768 257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe
4368 explorti.exe
644 explorti.exe
1584 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe

description ioc process

File created C:\Windows\Tasks\explorti.job 257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
4768	257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe
4768	257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe
4368	explorti.exe
4368	explorti.exe
644	explorti.exe
644	explorti.exe
1584	explorti.exe
1584	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe

description	pid	process	target process
PID 4768 wrote to memory of 4368	4768	257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe	explorti.exe
PID 4768 wrote to memory of 4368	4768	257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe	explorti.exe
PID 4768 wrote to memory of 4368	4768	257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe
"C:\Users\Admin\AppData\Local\Temp\257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4768

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:4368

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:644

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:1584

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
Filesize
1.8MB

MD5
6f1a4e3c84bbb07847ffb8a5aafb2023

SHA1
a0328f246f67cbc5e6b120414c180b9f8e9ba13a

SHA256
257358266c6e391262fac6659fc8c19861eb37e8c1e3cc854a2f7ef36d6b6be5

SHA512
f33f876c3625f44c3086a5f8062c030a658fb8b1e0fd5f30a98fc6e5dc3647d77f59e04b6da19aaa005c28ed987a3b93d934e351b4f0b0af3c6e693208a15e83

Download Submit
memory/644-29-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/644-32-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/644-31-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/644-30-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/1584-40-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-27-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-37-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-20-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-19-0x0000000000D71000-0x0000000000D9F000-memory.dmp

Filesize
184KB

Download
memory/4368-21-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-22-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-23-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-24-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-25-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-26-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-44-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-43-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-42-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-41-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-38-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-33-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-34-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-35-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-36-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4368-18-0x0000000000D70000-0x0000000001212000-memory.dmp

Filesize
4.6MB

Download
memory/4768-2-0x00000000006F1000-0x000000000071F000-memory.dmp

Filesize
184KB

Download
memory/4768-1-0x0000000077876000-0x0000000077878000-memory.dmp

Filesize
8KB

Download
memory/4768-3-0x00000000006F0000-0x0000000000B92000-memory.dmp

Filesize
4.6MB

Download
memory/4768-5-0x00000000006F0000-0x0000000000B92000-memory.dmp

Filesize
4.6MB

Download
memory/4768-17-0x00000000006F0000-0x0000000000B92000-memory.dmp

Filesize
4.6MB

Download
memory/4768-0-0x00000000006F0000-0x0000000000B92000-memory.dmp

Filesize
4.6MB

Download