amadey | c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12

Resubmissions

27-04-2024 17:18

240427-vvfysadg4x 10

27-04-2024 13:30

240427-qr4hfsca2v 10

Analysis

max time kernel
145s
max time network
66s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
27-04-2024 13:30

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General

Target

c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe
Size

1.8MB
MD5

00d2b75c4c3e234c8576a67d24849596
SHA1

d5badbb62b2adbcef7e01b3b5bd342d11c09cdb5
SHA256

c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12
SHA512

0fa5377df174c92130fea3352e60a9571e6724c39fb5397a94d93d84fec3b044ad3935a1ba5ab9243a66d2b5dc02756aeb087118e6a7097b810c01da6813cd7d
SSDEEP

49152:g3/bnubds8ARZks8cBX2uYpSRFtbq9XHO:gjnu72QRGt

Score

10^/10

amadey evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.20

http://193.233.132.139

Attributes

install_dir
5454e6f062
install_file
explorta.exe
strings_key
c7a869c5ba1d72480093ec207994e2bf
url_paths
/sev56rkm/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 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorta.exec81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exeexplorta.exeexplorta.exeexplorta.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe

Checks BIOS information in registry 2 TTPs 10 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorta.exeexplorta.exec81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exeexplorta.exeexplorta.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe

Executes dropped EXE 4 IoCs

Processes:

explorta.exeexplorta.exeexplorta.exeexplorta.exe

pid process

456 explorta.exe
992 explorta.exe
4564 explorta.exe
4660 explorta.exe

pid	process
456	explorta.exe
992	explorta.exe
4564	explorta.exe
4660	explorta.exe

Identifies Wine through registry keys 2 TTPs 5 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:

explorta.exeexplorta.exeexplorta.exec81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exeexplorta.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000\Software\Wine	c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000\Software\Wine	explorta.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exeexplorta.exeexplorta.exeexplorta.exeexplorta.exe

pid process

4624 c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe
456 explorta.exe
992 explorta.exe
4564 explorta.exe
4660 explorta.exe
Drops file in Windows directory 1 IoCs

Processes:

c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe

description ioc process

File created C:\Windows\Tasks\explorta.job c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.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\explorta.job	c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exeexplorta.exeexplorta.exeexplorta.exeexplorta.exe

pid	process
4624	c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe
4624	c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe
456	explorta.exe
456	explorta.exe
992	explorta.exe
992	explorta.exe
4564	explorta.exe
4564	explorta.exe
4660	explorta.exe
4660	explorta.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe

description	pid	process	target process
PID 4624 wrote to memory of 456	4624	c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe	explorta.exe
PID 4624 wrote to memory of 456	4624	c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe	explorta.exe
PID 4624 wrote to memory of 456	4624	c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe	explorta.exe

C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe
"C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.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:4624
- C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
  "C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:456

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:992

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:4564

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.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:4660

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe

Filesize
1.8MB

MD5
00d2b75c4c3e234c8576a67d24849596

SHA1
d5badbb62b2adbcef7e01b3b5bd342d11c09cdb5

SHA256
c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12

SHA512
0fa5377df174c92130fea3352e60a9571e6724c39fb5397a94d93d84fec3b044ad3935a1ba5ab9243a66d2b5dc02756aeb087118e6a7097b810c01da6813cd7d

Download Submit
memory/456-48-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-55-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-34-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-58-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-57-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-56-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-54-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-53-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-50-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-22-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-47-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-29-0x0000000005430000-0x0000000005431000-memory.dmp

Filesize
4KB

Download
memory/456-28-0x00000000053E0000-0x00000000053E1000-memory.dmp

Filesize
4KB

Download
memory/456-27-0x00000000053D0000-0x00000000053D1000-memory.dmp

Filesize
4KB

Download
memory/456-26-0x0000000005440000-0x0000000005441000-memory.dmp

Filesize
4KB

Download
memory/456-25-0x00000000053F0000-0x00000000053F1000-memory.dmp

Filesize
4KB

Download
memory/456-24-0x0000000005410000-0x0000000005411000-memory.dmp

Filesize
4KB

Download
memory/456-23-0x0000000005400000-0x0000000005401000-memory.dmp

Filesize
4KB

Download
memory/456-31-0x0000000005450000-0x0000000005451000-memory.dmp

Filesize
4KB

Download
memory/456-30-0x0000000005460000-0x0000000005461000-memory.dmp

Filesize
4KB

Download
memory/456-32-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-33-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-46-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-45-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/456-44-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/992-36-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/992-40-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

Download
memory/992-38-0x0000000005150000-0x0000000005151000-memory.dmp

Filesize
4KB

Download
memory/992-37-0x0000000005160000-0x0000000005161000-memory.dmp

Filesize
4KB

Download
memory/992-43-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/992-39-0x0000000005190000-0x0000000005191000-memory.dmp

Filesize
4KB

Download
memory/992-42-0x0000000005170000-0x0000000005171000-memory.dmp

Filesize
4KB

Download
memory/992-41-0x0000000005140000-0x0000000005141000-memory.dmp

Filesize
4KB

Download
memory/4564-51-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/4564-52-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/4624-6-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

Filesize
4KB

Download
memory/4624-1-0x0000000077696000-0x0000000077698000-memory.dmp

Filesize
8KB

Download
memory/4624-8-0x0000000004F60000-0x0000000004F61000-memory.dmp

Filesize
4KB

Download
memory/4624-7-0x0000000004F20000-0x0000000004F21000-memory.dmp

Filesize
4KB

Download
memory/4624-21-0x0000000000E00000-0x00000000012B9000-memory.dmp

Filesize
4.7MB

Download
memory/4624-3-0x0000000004F00000-0x0000000004F01000-memory.dmp

Filesize
4KB

Download
memory/4624-5-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

Filesize
4KB

Download
memory/4624-4-0x0000000004F40000-0x0000000004F41000-memory.dmp

Filesize
4KB

Download
memory/4624-2-0x0000000004F10000-0x0000000004F11000-memory.dmp

Filesize
4KB

Download
memory/4624-0-0x0000000000E00000-0x00000000012B9000-memory.dmp

Filesize
4.7MB

Download
memory/4660-60-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download
memory/4660-61-0x0000000000190000-0x0000000000649000-memory.dmp

Filesize
4.7MB

Download