amadey | b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8

Analysis

max time kernel
147s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 01:17

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General

Target

b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe
Size

1.9MB
MD5

44809186c26c6851b67bd98c5498f3ca
SHA1

32de1b7315ecf0f684cb5e3f5b6ccc8b77b214f5
SHA256

b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8
SHA512

80c31c6b5bc3dd6c7c6be4301f37748e31906e27d19b217601b105bad092aab11c7a24be7a9ad885b113fa24dc77775df8200e2238c7cd91fca19b9a05f40982
SSDEEP

49152:0vGfBq3ndOzIxgNSqDsslj7MpDtGq4mzX:0vSkozImQqDssRMp7TzX

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:

b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.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:

explorti.exeexplorti.exeb6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exeexplorti.exe

description	ioc	process
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	b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe

Executes dropped EXE 4 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

2412 explorti.exe
1812 explorti.exe
3676 explorti.exe
3540 explorti.exe

pid	process
2412	explorti.exe
1812	explorti.exe
3676	explorti.exe
3540	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:

explorti.exeb6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exeexplorti.exeexplorti.exeexplorti.exe

pid process

1848 b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe
2412 explorti.exe
1812 explorti.exe
3676 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe

description ioc process

File created C:\Windows\Tasks\explorti.job b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.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	b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
1848	b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe
1848	b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe
2412	explorti.exe
2412	explorti.exe
1812	explorti.exe
1812	explorti.exe
3676	explorti.exe
3676	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe

description	pid	process	target process
PID 1848 wrote to memory of 2412	1848	b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe	explorti.exe
PID 1848 wrote to memory of 2412	1848	b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe	explorti.exe
PID 1848 wrote to memory of 2412	1848	b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.exe
"C:\Users\Admin\AppData\Local\Temp\b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1848

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:2412

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:1812

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:3676

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
- Executes dropped EXE
PID:3540

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
1.9MB

MD5
44809186c26c6851b67bd98c5498f3ca

SHA1
32de1b7315ecf0f684cb5e3f5b6ccc8b77b214f5

SHA256
b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8

SHA512
80c31c6b5bc3dd6c7c6be4301f37748e31906e27d19b217601b105bad092aab11c7a24be7a9ad885b113fa24dc77775df8200e2238c7cd91fca19b9a05f40982

Download Submit
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
Filesize
898KB

MD5
0c76c01dfcb5d5e811c956f69f6d859b

SHA1
6d06aeae03cb9c7ac0e9659e08848f4d48fe350d

SHA256
56eb94f04437baad3cdd61e6098ce36fa5f78b5a1115876414b1d8c551980abf

SHA512
659408ed00b7a030b9497442bd19bb63b66b2feb996f0c7caafc55481ad5a635c25e00fa7cd3e2d5f708e600a3586c11ff79cc36adcfcd7397ce8786c912227d

Download Submit
memory/1812-27-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/1812-31-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/1812-29-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/1812-28-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/1848-1-0x0000000077464000-0x0000000077466000-memory.dmp

Filesize
8KB

Download
memory/1848-3-0x0000000000BF0000-0x00000000010C5000-memory.dmp

Filesize
4.8MB

Download
memory/1848-2-0x0000000000BF1000-0x0000000000C1F000-memory.dmp

Filesize
184KB

Download
memory/1848-5-0x0000000000BF0000-0x00000000010C5000-memory.dmp

Filesize
4.8MB

Download
memory/1848-17-0x0000000000BF0000-0x00000000010C5000-memory.dmp

Filesize
4.8MB

Download
memory/1848-0-0x0000000000BF0000-0x00000000010C5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-20-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-36-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-25-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-23-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-22-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-21-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-19-0x0000000000311000-0x000000000033F000-memory.dmp

Filesize
184KB

Download
memory/2412-32-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-33-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-34-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-35-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-24-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-37-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-18-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-46-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-41-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-42-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-43-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-44-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/2412-45-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/3540-48-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/3540-49-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/3676-40-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download
memory/3676-39-0x0000000000310000-0x00000000007E5000-memory.dmp

Filesize
4.8MB

Download