amadey | c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004

Analysis

max time kernel
149s
max time network
155s
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 10:25

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General

Target

c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe
Size

1.8MB
MD5

4a2e824db16e80c6d45262bd2e9c5d9f
SHA1

b8c559e7cd9b88d2ba13f1f738d788a702ffea16
SHA256

c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004
SHA512

66e54771eda4bad94cef42b8de49650709296ab25de24456731b15e2d5d5f05b34c6e6f053990f494578dc4f15030adeaaa88380e3318a1a1429f4a3163391cc
SSDEEP

49152:tjthQ6KPq0aQZOGbxB819hstAXsWht0aC:ibOGf81gZWQ

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 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorti.exeexplorti.exeexplorti.exec1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exeexplorti.exe

description	ioc	process
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
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.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.exec1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.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

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:

c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe

Executes dropped EXE 4 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exeexplorti.exe

pid process

1964 explorti.exe
1036 explorti.exe
2632 explorti.exe
4172 explorti.exe

pid	process
1964	explorti.exe
1036	explorti.exe
2632	explorti.exe
4172	explorti.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:

c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.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
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:

c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exeexplorti.exeexplorti.exeexplorti.exe

pid process

1644 c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe
1964 explorti.exe
1036 explorti.exe
2632 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe

description ioc process

File created C:\Windows\Tasks\explorti.job c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.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	c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
1644	c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe
1644	c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe
1964	explorti.exe
1964	explorti.exe
1036	explorti.exe
1036	explorti.exe
2632	explorti.exe
2632	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe

description	pid	process	target process
PID 1644 wrote to memory of 1964	1644	c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe	explorti.exe
PID 1644 wrote to memory of 1964	1644	c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe	explorti.exe
PID 1644 wrote to memory of 1964	1644	c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.exe
"C:\Users\Admin\AppData\Local\Temp\c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004.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:1644

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:1964

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:1036

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:2632

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)
- Executes dropped EXE
- Identifies Wine through registry keys
PID:4172

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

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Downloads

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

MD5
4a2e824db16e80c6d45262bd2e9c5d9f

SHA1
b8c559e7cd9b88d2ba13f1f738d788a702ffea16

SHA256
c1e1fe857de6581d5d6c08d984e54a0277542579b2943d122317364c85472004

SHA512
66e54771eda4bad94cef42b8de49650709296ab25de24456731b15e2d5d5f05b34c6e6f053990f494578dc4f15030adeaaa88380e3318a1a1429f4a3163391cc

Download Submit
memory/1036-27-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1036-30-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1036-28-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1036-29-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1644-1-0x0000000077154000-0x0000000077156000-memory.dmp

Filesize
8KB

Download
memory/1644-2-0x0000000000211000-0x000000000023F000-memory.dmp

Filesize
184KB

Download
memory/1644-3-0x0000000000210000-0x00000000006DC000-memory.dmp

Filesize
4.8MB

Download
memory/1644-5-0x0000000000210000-0x00000000006DC000-memory.dmp

Filesize
4.8MB

Download
memory/1644-17-0x0000000000210000-0x00000000006DC000-memory.dmp

Filesize
4.8MB

Download
memory/1644-0-0x0000000000210000-0x00000000006DC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-19-0x00000000009F1000-0x0000000000A1F000-memory.dmp

Filesize
184KB

Download
memory/1964-34-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-24-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-25-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-22-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-21-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-20-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-18-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-31-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-32-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-33-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-23-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-35-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-36-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-45-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-44-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-40-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-41-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-42-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/1964-43-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/2632-39-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/2632-38-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download
memory/4172-47-0x00000000009F0000-0x0000000000EBC000-memory.dmp

Filesize
4.8MB

Download