amadey | 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace

General

Target

8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe
Size

1.5MB
MD5

6bec6852c17c6815c5c284045fe249f4
SHA1

75d8db0295ab42dabc0786ef2a696102d405da2f
SHA256

8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace
SHA512

779371b8d3fd5c8c78c6cf2933bc72c1a3a161f401bddaf0c9a3ebedbfa4b732b9b3c262d407ca927efe0bbad4ff26b9d26e2bbabc3023fc22fd785bb1369ea2
SSDEEP

24576:zCD7a8eEHRyci1Yg92Y0KE1rFz2ECkNPW4WsgzBmP+3wsxh/u+:4aVEHR/i1Y2rE1rQ/jT9i+gsxBb

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 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exeexplorku.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorku.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.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	8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe

Executes dropped EXE 1 IoCs

Processes:

explorku.exe

pid process

2220 explorku.exe
Loads dropped DLL 1 IoCs

Processes:

8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe

pid process

2512 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe

pid	process
2220	explorku.exe

pid	process
2512	8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe

Themida packer 19 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2512-0-0x0000000000290000-0x0000000000775000-memory.dmp	themida
behavioral1/memory/2512-1-0x0000000000290000-0x0000000000775000-memory.dmp	themida
behavioral1/memory/2512-3-0x0000000000290000-0x0000000000775000-memory.dmp	themida
behavioral1/memory/2512-6-0x0000000000290000-0x0000000000775000-memory.dmp	themida
behavioral1/memory/2512-5-0x0000000000290000-0x0000000000775000-memory.dmp	themida
behavioral1/memory/2512-4-0x0000000000290000-0x0000000000775000-memory.dmp	themida
behavioral1/memory/2512-2-0x0000000000290000-0x0000000000775000-memory.dmp	themida
behavioral1/memory/2512-7-0x0000000000290000-0x0000000000775000-memory.dmp	themida
behavioral1/memory/2220-23-0x00000000012D0000-0x00000000017B5000-memory.dmp	themida
behavioral1/memory/2220-22-0x00000000012D0000-0x00000000017B5000-memory.dmp	themida
behavioral1/memory/2220-26-0x00000000012D0000-0x00000000017B5000-memory.dmp	themida
behavioral1/memory/2220-25-0x00000000012D0000-0x00000000017B5000-memory.dmp	themida
behavioral1/memory/2220-24-0x00000000012D0000-0x00000000017B5000-memory.dmp	themida
behavioral1/memory/2220-21-0x00000000012D0000-0x00000000017B5000-memory.dmp	themida
behavioral1/memory/2220-20-0x00000000012D0000-0x00000000017B5000-memory.dmp	themida
behavioral1/memory/2512-19-0x0000000000290000-0x0000000000775000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/2220-27-0x00000000012D0000-0x00000000017B5000-memory.dmp	themida
behavioral1/memory/2220-29-0x00000000012D0000-0x00000000017B5000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exeexplorku.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe

Drops file in Windows directory 1 IoCs

Processes:

8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe

description ioc process

File created C:\Windows\Tasks\explorku.job 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe

pid process

2512 8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe

description	ioc	process
File created	C:\Windows\Tasks\explorku.job	8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe

pid	process
2512	8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe

description	pid	process	target process
PID 2512 wrote to memory of 2220	2512	8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe	explorku.exe
PID 2512 wrote to memory of 2220	2512	8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe	explorku.exe
PID 2512 wrote to memory of 2220	2512	8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe	explorku.exe
PID 2512 wrote to memory of 2220	2512	8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe
"C:\Users\Admin\AppData\Local\Temp\8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2512

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:2220

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

2

T1012

System Information Discovery

3

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
1.5MB

MD5
6bec6852c17c6815c5c284045fe249f4

SHA1
75d8db0295ab42dabc0786ef2a696102d405da2f

SHA256
8c005ead525ac619d2c2dbe42cc8982a7d7af252d0e6860602293c33bf651ace

SHA512
779371b8d3fd5c8c78c6cf2933bc72c1a3a161f401bddaf0c9a3ebedbfa4b732b9b3c262d407ca927efe0bbad4ff26b9d26e2bbabc3023fc22fd785bb1369ea2

Download Submit
memory/2220-20-0x00000000012D0000-0x00000000017B5000-memory.dmp

Filesize
4.9MB

Download
memory/2220-21-0x00000000012D0000-0x00000000017B5000-memory.dmp

Filesize
4.9MB

Download
memory/2220-23-0x00000000012D0000-0x00000000017B5000-memory.dmp

Filesize
4.9MB

Download
memory/2220-22-0x00000000012D0000-0x00000000017B5000-memory.dmp

Filesize
4.9MB

Download
memory/2220-27-0x00000000012D0000-0x00000000017B5000-memory.dmp

Filesize
4.9MB

Download
memory/2220-24-0x00000000012D0000-0x00000000017B5000-memory.dmp

Filesize
4.9MB

Download
memory/2220-26-0x00000000012D0000-0x00000000017B5000-memory.dmp

Filesize
4.9MB

Download
memory/2220-25-0x00000000012D0000-0x00000000017B5000-memory.dmp

Filesize
4.9MB

Download
memory/2220-29-0x00000000012D0000-0x00000000017B5000-memory.dmp

Filesize
4.9MB

Download
memory/2512-6-0x0000000000290000-0x0000000000775000-memory.dmp

Filesize
4.9MB

Download
memory/2512-9-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2512-7-0x0000000000290000-0x0000000000775000-memory.dmp

Filesize
4.9MB

Download
memory/2512-2-0x0000000000290000-0x0000000000775000-memory.dmp

Filesize
4.9MB

Download
memory/2512-3-0x0000000000290000-0x0000000000775000-memory.dmp

Filesize
4.9MB

Download
memory/2512-0-0x0000000000290000-0x0000000000775000-memory.dmp

Filesize
4.9MB

Download
memory/2512-19-0x0000000000290000-0x0000000000775000-memory.dmp

Filesize
4.9MB

Download
memory/2512-1-0x0000000000290000-0x0000000000775000-memory.dmp

Filesize
4.9MB

Download
memory/2512-4-0x0000000000290000-0x0000000000775000-memory.dmp

Filesize
4.9MB

Download
memory/2512-5-0x0000000000290000-0x0000000000775000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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