amadey | c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332

General

Target

c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe
Size

1.6MB
MD5

97c05214e6105bb765125f14b2c904f0
SHA1

4ad3aaf23969c1efa14d77fb22cb037ec956ebab
SHA256

c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332
SHA512

7c3960845f65dfaafe5d708ea9f6e351f5dd2ddaf774babf97090665720ca2898039865acbc6248519fcf27593494c1e35fea85ce9f562da5d6e017c6ba8abed
SSDEEP

49152:7bQePRi5+Som3Snq/3W3EEjL8/h28y2w1YiU:oep4SqfMEEH8528E1YiU

Score

10^/10

amadey 18befc evasion themida trojan

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

18befc

C2

http://5.42.96.141

Attributes

install_dir
908f070dff
install_file
explorku.exe
strings_key
b25a9385246248a95c600f9a061438e1
url_paths
/go34ko8/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:

c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.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:

explorku.exeexplorku.exeexplorku.exec22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorku.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.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:

c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe

Executes dropped EXE 3 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exe

pid process

2908 explorku.exe
2428 explorku.exe
3876 explorku.exe

pid	process
2908	explorku.exe
2428	explorku.exe
3876	explorku.exe

Themida packer 37 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/3044-0-0x0000000000D10000-0x0000000001248000-memory.dmp	themida
behavioral1/memory/3044-1-0x0000000000D10000-0x0000000001248000-memory.dmp	themida
behavioral1/memory/3044-2-0x0000000000D10000-0x0000000001248000-memory.dmp	themida
behavioral1/memory/3044-6-0x0000000000D10000-0x0000000001248000-memory.dmp	themida
behavioral1/memory/3044-5-0x0000000000D10000-0x0000000001248000-memory.dmp	themida
behavioral1/memory/3044-4-0x0000000000D10000-0x0000000001248000-memory.dmp	themida
behavioral1/memory/3044-3-0x0000000000D10000-0x0000000001248000-memory.dmp	themida
behavioral1/memory/3044-7-0x0000000000D10000-0x0000000001248000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/2908-21-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/3044-20-0x0000000000D10000-0x0000000001248000-memory.dmp	themida
behavioral1/memory/2908-23-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2908-24-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2908-22-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2908-27-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2908-28-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2908-26-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2908-25-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2908-29-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2428-35-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2428-36-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2428-38-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2428-41-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2428-40-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2428-42-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2428-39-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2428-37-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/2428-44-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/3876-54-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/3876-55-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/3876-53-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/3876-56-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/3876-59-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/3876-57-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/3876-52-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/3876-58-0x0000000000F00000-0x0000000001438000-memory.dmp	themida
behavioral1/memory/3876-61-0x0000000000F00000-0x0000000001438000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exeexplorku.exeexplorku.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe

Drops file in Windows directory 1 IoCs

Processes:

c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe

description ioc process

File created C:\Windows\Tasks\explorku.job c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.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\explorku.job	c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe

description	pid	process	target process
PID 3044 wrote to memory of 2908	3044	c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe	explorku.exe
PID 3044 wrote to memory of 2908	3044	c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe	explorku.exe
PID 3044 wrote to memory of 2908	3044	c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe
"C:\Users\Admin\AppData\Local\Temp\c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3044

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
"C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"
2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:2908

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:2428

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:3876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
Filesize
1.6MB

MD5
97c05214e6105bb765125f14b2c904f0

SHA1
4ad3aaf23969c1efa14d77fb22cb037ec956ebab

SHA256
c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332

SHA512
7c3960845f65dfaafe5d708ea9f6e351f5dd2ddaf774babf97090665720ca2898039865acbc6248519fcf27593494c1e35fea85ce9f562da5d6e017c6ba8abed

Download Submit
memory/2428-35-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2428-44-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2428-37-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2428-39-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2428-42-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2428-40-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2428-41-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2428-38-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2428-36-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2908-21-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2908-23-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2908-24-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2908-22-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2908-27-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2908-28-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2908-26-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2908-25-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/2908-29-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/3044-4-0x0000000000D10000-0x0000000001248000-memory.dmp

Filesize
5.2MB

Download
memory/3044-0-0x0000000000D10000-0x0000000001248000-memory.dmp

Filesize
5.2MB

Download
memory/3044-7-0x0000000000D10000-0x0000000001248000-memory.dmp

Filesize
5.2MB

Download
memory/3044-3-0x0000000000D10000-0x0000000001248000-memory.dmp

Filesize
5.2MB

Download
memory/3044-20-0x0000000000D10000-0x0000000001248000-memory.dmp

Filesize
5.2MB

Download
memory/3044-5-0x0000000000D10000-0x0000000001248000-memory.dmp

Filesize
5.2MB

Download
memory/3044-6-0x0000000000D10000-0x0000000001248000-memory.dmp

Filesize
5.2MB

Download
memory/3044-2-0x0000000000D10000-0x0000000001248000-memory.dmp

Filesize
5.2MB

Download
memory/3044-1-0x0000000000D10000-0x0000000001248000-memory.dmp

Filesize
5.2MB

Download
memory/3876-54-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/3876-55-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/3876-53-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/3876-56-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/3876-59-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/3876-57-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/3876-52-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/3876-58-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download
memory/3876-61-0x0000000000F00000-0x0000000001438000-memory.dmp

Filesize
5.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads