amadey | 55428d7ab21866ead8e96311f3dab6a5e93540e81e59d1899083db0d2e829893

General

Target

24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.exe
Size

1.7MB
MD5

24215bf60eb7eba8c0e01441d76bd410
SHA1

72fc342eb06923834d636a3f8ed6c60bb34a162d
SHA256

55428d7ab21866ead8e96311f3dab6a5e93540e81e59d1899083db0d2e829893
SHA512

c8a9065183bb438a42b3bd68ccdc2908aced971058f2cdfb4adf16d0e09a1bd7535dfed9d43b70a25a417ace717335ce97a8eb524bedeaf4edc028015428124f
SSDEEP

24576:dTWbrtYJ0iEW8sHg4UQmVh0VyzxfuT3Ckh22prGviyBKT3qduVIzuSYpLzKOb:dTWNYbMQmVh013lEuyvirTNVIdyb

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.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

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	24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	explorku.exe

Loads dropped DLL 1 IoCs

pid	Process
2888	24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.exe

Themida packer 22 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2888-2-0x0000000001080000-0x00000000015D0000-memory.dmp	themida
behavioral1/memory/2888-1-0x0000000001080000-0x00000000015D0000-memory.dmp	themida
behavioral1/memory/2888-3-0x0000000001080000-0x00000000015D0000-memory.dmp	themida
behavioral1/memory/2888-0-0x0000000001080000-0x00000000015D0000-memory.dmp	themida
behavioral1/memory/2888-8-0x0000000001080000-0x00000000015D0000-memory.dmp	themida
behavioral1/memory/2888-7-0x0000000001080000-0x00000000015D0000-memory.dmp	themida
behavioral1/memory/2888-6-0x0000000001080000-0x00000000015D0000-memory.dmp	themida
behavioral1/memory/2888-5-0x0000000001080000-0x00000000015D0000-memory.dmp	themida
behavioral1/memory/2888-4-0x0000000001080000-0x00000000015D0000-memory.dmp	themida
behavioral1/files/0x0007000000015cc7-15.dat	themida
behavioral1/memory/2788-23-0x0000000000CD0000-0x0000000001220000-memory.dmp	themida
behavioral1/memory/2788-25-0x0000000000CD0000-0x0000000001220000-memory.dmp	themida
behavioral1/memory/2788-30-0x0000000000CD0000-0x0000000001220000-memory.dmp	themida
behavioral1/memory/2788-29-0x0000000000CD0000-0x0000000001220000-memory.dmp	themida
behavioral1/memory/2788-27-0x0000000000CD0000-0x0000000001220000-memory.dmp	themida
behavioral1/memory/2788-26-0x0000000000CD0000-0x0000000001220000-memory.dmp	themida
behavioral1/memory/2788-24-0x0000000000CD0000-0x0000000001220000-memory.dmp	themida
behavioral1/memory/2788-28-0x0000000000CD0000-0x0000000001220000-memory.dmp	themida
behavioral1/memory/2788-22-0x0000000000CD0000-0x0000000001220000-memory.dmp	themida
behavioral1/memory/2888-21-0x0000000001080000-0x00000000015D0000-memory.dmp	themida
behavioral1/memory/2888-19-0x0000000004CA0000-0x00000000051F0000-memory.dmp	themida
behavioral1/memory/2788-32-0x0000000000CD0000-0x0000000001220000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorku.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorku.job	24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.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

pid	Process
2888	24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2788	2888	24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.exe	29
PID 2888 wrote to memory of 2788	2888	24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.exe	29
PID 2888 wrote to memory of 2788	2888	24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.exe	29
PID 2888 wrote to memory of 2788	2888	24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.exe	29

C:\Users\Admin\AppData\Local\Temp\24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\24215bf60eb7eba8c0e01441d76bd410NeikiAnalytics.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:2888
- 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:2788

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

\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe

Filesize
1.7MB

MD5
24215bf60eb7eba8c0e01441d76bd410

SHA1
72fc342eb06923834d636a3f8ed6c60bb34a162d

SHA256
55428d7ab21866ead8e96311f3dab6a5e93540e81e59d1899083db0d2e829893

SHA512
c8a9065183bb438a42b3bd68ccdc2908aced971058f2cdfb4adf16d0e09a1bd7535dfed9d43b70a25a417ace717335ce97a8eb524bedeaf4edc028015428124f

Download Submit
memory/2788-27-0x0000000000CD0000-0x0000000001220000-memory.dmp

Filesize
5.3MB

Download
memory/2788-24-0x0000000000CD0000-0x0000000001220000-memory.dmp

Filesize
5.3MB

Download
memory/2788-32-0x0000000000CD0000-0x0000000001220000-memory.dmp

Filesize
5.3MB

Download
memory/2788-22-0x0000000000CD0000-0x0000000001220000-memory.dmp

Filesize
5.3MB

Download
memory/2788-28-0x0000000000CD0000-0x0000000001220000-memory.dmp

Filesize
5.3MB

Download
memory/2788-23-0x0000000000CD0000-0x0000000001220000-memory.dmp

Filesize
5.3MB

Download
memory/2788-26-0x0000000000CD0000-0x0000000001220000-memory.dmp

Filesize
5.3MB

Download
memory/2788-29-0x0000000000CD0000-0x0000000001220000-memory.dmp

Filesize
5.3MB

Download
memory/2788-25-0x0000000000CD0000-0x0000000001220000-memory.dmp

Filesize
5.3MB

Download
memory/2788-30-0x0000000000CD0000-0x0000000001220000-memory.dmp

Filesize
5.3MB

Download
memory/2888-3-0x0000000001080000-0x00000000015D0000-memory.dmp

Filesize
5.3MB

Download
memory/2888-10-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2888-1-0x0000000001080000-0x00000000015D0000-memory.dmp

Filesize
5.3MB

Download
memory/2888-4-0x0000000001080000-0x00000000015D0000-memory.dmp

Filesize
5.3MB

Download
memory/2888-2-0x0000000001080000-0x00000000015D0000-memory.dmp

Filesize
5.3MB

Download
memory/2888-5-0x0000000001080000-0x00000000015D0000-memory.dmp

Filesize
5.3MB

Download
memory/2888-6-0x0000000001080000-0x00000000015D0000-memory.dmp

Filesize
5.3MB

Download
memory/2888-7-0x0000000001080000-0x00000000015D0000-memory.dmp

Filesize
5.3MB

Download
memory/2888-8-0x0000000001080000-0x00000000015D0000-memory.dmp

Filesize
5.3MB

Download
memory/2888-21-0x0000000001080000-0x00000000015D0000-memory.dmp

Filesize
5.3MB

Download
memory/2888-19-0x0000000004CA0000-0x00000000051F0000-memory.dmp

Filesize
5.3MB

Download
memory/2888-0-0x0000000001080000-0x00000000015D0000-memory.dmp

Filesize
5.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads