amadey | f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305

General

Target

f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe
Size

1.7MB
MD5

78412b51f722a9287a33b9b2cf0fb3da
SHA1

ea81817341ed47ad8e582faedad37607e14f07c9
SHA256

f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305
SHA512

94240dab206080783418d30c2eb3dc9de4a277dc65fd75d5fb9568cc1de567e6a9e8d9440a30a4763d72e526986ce9b6eea2c459b476baf78440846d1e2e79b0
SSDEEP

49152:iEqGRGnTxxYPGmY18VhK5o/MROnrXTRM67Mun1WWnda:n4nDYPZY18/ao/Lnrt7Mu1WQa

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:

explorku.exeexplorku.exef7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exeexplorku.exe

description	ioc	process
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__	f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.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.exef7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.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	f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.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:

f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe

Executes dropped EXE 3 IoCs

Processes:

explorku.exeexplorku.exeexplorku.exe

pid process

944 explorku.exe
3592 explorku.exe
1884 explorku.exe

pid	process
944	explorku.exe
3592	explorku.exe
1884	explorku.exe

Themida packer 37 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/3968-0-0x0000000000870000-0x0000000000DB3000-memory.dmp	themida
behavioral1/memory/3968-2-0x0000000000870000-0x0000000000DB3000-memory.dmp	themida
behavioral1/memory/3968-1-0x0000000000870000-0x0000000000DB3000-memory.dmp	themida
behavioral1/memory/3968-3-0x0000000000870000-0x0000000000DB3000-memory.dmp	themida
behavioral1/memory/3968-4-0x0000000000870000-0x0000000000DB3000-memory.dmp	themida
behavioral1/memory/3968-6-0x0000000000870000-0x0000000000DB3000-memory.dmp	themida
behavioral1/memory/3968-5-0x0000000000870000-0x0000000000DB3000-memory.dmp	themida
behavioral1/memory/3968-7-0x0000000000870000-0x0000000000DB3000-memory.dmp	themida
behavioral1/memory/3968-9-0x0000000000870000-0x0000000000DB3000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe	themida
behavioral1/memory/3968-21-0x0000000000870000-0x0000000000DB3000-memory.dmp	themida
behavioral1/memory/944-22-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/944-23-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/944-24-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/944-25-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/944-26-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/944-28-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/944-29-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/944-27-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/944-30-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/3592-35-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/3592-36-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/3592-37-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/3592-38-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/3592-39-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/3592-42-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/3592-40-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/3592-41-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/3592-44-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/1884-52-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/1884-53-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/1884-55-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/1884-58-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/1884-56-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/1884-57-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/1884-54-0x0000000000C20000-0x0000000001163000-memory.dmp	themida
behavioral1/memory/1884-59-0x0000000000C20000-0x0000000001163000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

explorku.exef7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exeexplorku.exeexplorku.exe

description	ioc	process
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	f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.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:

f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe

description ioc process

File created C:\Windows\Tasks\explorku.job f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.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:

f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe

pid process

3968 f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe

description	ioc	process
File created	C:\Windows\Tasks\explorku.job	f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe

pid	process
3968	f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe

description	pid	process	target process
PID 3968 wrote to memory of 944	3968	f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe	explorku.exe
PID 3968 wrote to memory of 944	3968	f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe	explorku.exe
PID 3968 wrote to memory of 944	3968	f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe	explorku.exe

C:\Users\Admin\AppData\Local\Temp\f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.exe
"C:\Users\Admin\AppData\Local\Temp\f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3968
- 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:944

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1036 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:2904

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:3592

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:1884

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
1.7MB

MD5
78412b51f722a9287a33b9b2cf0fb3da

SHA1
ea81817341ed47ad8e582faedad37607e14f07c9

SHA256
f7b1ae68995f7564723849e8c00f6eeb054316721049038177e5fbf7fd473305

SHA512
94240dab206080783418d30c2eb3dc9de4a277dc65fd75d5fb9568cc1de567e6a9e8d9440a30a4763d72e526986ce9b6eea2c459b476baf78440846d1e2e79b0

Download Submit
memory/944-27-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/944-30-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/944-29-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/944-28-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/944-26-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/944-25-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/944-24-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/944-23-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/944-22-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/1884-58-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/1884-52-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/1884-55-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/1884-56-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/1884-57-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/1884-54-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/1884-59-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/1884-53-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/3592-44-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/3592-41-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/3592-35-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/3592-36-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/3592-37-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/3592-38-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/3592-39-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/3592-42-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/3592-40-0x0000000000C20000-0x0000000001163000-memory.dmp

Filesize
5.3MB

Download
memory/3968-21-0x0000000000870000-0x0000000000DB3000-memory.dmp

Filesize
5.3MB

Download
memory/3968-1-0x0000000000870000-0x0000000000DB3000-memory.dmp

Filesize
5.3MB

Download
memory/3968-4-0x0000000000870000-0x0000000000DB3000-memory.dmp

Filesize
5.3MB

Download
memory/3968-3-0x0000000000870000-0x0000000000DB3000-memory.dmp

Filesize
5.3MB

Download
memory/3968-2-0x0000000000870000-0x0000000000DB3000-memory.dmp

Filesize
5.3MB

Download
memory/3968-9-0x0000000000870000-0x0000000000DB3000-memory.dmp

Filesize
5.3MB

Download
memory/3968-7-0x0000000000870000-0x0000000000DB3000-memory.dmp

Filesize
5.3MB

Download
memory/3968-5-0x0000000000870000-0x0000000000DB3000-memory.dmp

Filesize
5.3MB

Download
memory/3968-6-0x0000000000870000-0x0000000000DB3000-memory.dmp

Filesize
5.3MB

Download
memory/3968-0-0x0000000000870000-0x0000000000DB3000-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