amadey | 105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9

General

Target

105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe
Size

1.5MB
MD5

3b6864d7fd3baca4f3bcca0736c26617
SHA1

dbbbfa7e960b6d7e5b58494970f1acffc3b0cca6
SHA256

105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9
SHA512

69e0444f34c7cb13bed561bbd0d86e1896d31bce3c99308f01eda43d2caff99741bca9609f0a028b9135653999c98f86e19b91414ec5953ac327a695f2275b74
SSDEEP

24576:+EONo4rUDDLp8NrZTsB3+lTXEkiNu3Z7el9i7Sm6JO0EQuEtA7wMkW:+EOec6Pp4eBulTFiNuJSeSmyHEQuRLkW

Score

10^/10

amadey 3c5ff2 discovery evasion themida trojan

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

3c5ff2

C2

http://193.233.132.139

Attributes

install_dir
5454e6f062
install_file
explorta.exe
strings_key
c7a869c5ba1d72480093ec207994e2bf
url_paths
/sev56rkm/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey
Amadey family
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__	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.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	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe

Executes dropped EXE 1 IoCs

pid	Process
3032	explorta.exe

Loads dropped DLL 1 IoCs

pid	Process
2432	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe

Themida packer 21 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2432-0-0x00000000013E0000-0x00000000018C7000-memory.dmp	themida
behavioral1/memory/2432-1-0x00000000013E0000-0x00000000018C7000-memory.dmp	themida
behavioral1/memory/2432-2-0x00000000013E0000-0x00000000018C7000-memory.dmp	themida
behavioral1/memory/2432-3-0x00000000013E0000-0x00000000018C7000-memory.dmp	themida
behavioral1/memory/2432-8-0x00000000013E0000-0x00000000018C7000-memory.dmp	themida
behavioral1/memory/2432-7-0x00000000013E0000-0x00000000018C7000-memory.dmp	themida
behavioral1/memory/2432-6-0x00000000013E0000-0x00000000018C7000-memory.dmp	themida
behavioral1/memory/2432-5-0x00000000013E0000-0x00000000018C7000-memory.dmp	themida
behavioral1/memory/2432-4-0x00000000013E0000-0x00000000018C7000-memory.dmp	themida
behavioral1/files/0x00090000000191ff-16.dat	themida
behavioral1/memory/3032-24-0x0000000001220000-0x0000000001707000-memory.dmp	themida
behavioral1/memory/3032-23-0x0000000001220000-0x0000000001707000-memory.dmp	themida
behavioral1/memory/3032-22-0x0000000001220000-0x0000000001707000-memory.dmp	themida
behavioral1/memory/3032-20-0x0000000001220000-0x0000000001707000-memory.dmp	themida
behavioral1/memory/2432-25-0x00000000013E0000-0x00000000018C7000-memory.dmp	themida
behavioral1/memory/3032-29-0x0000000001220000-0x0000000001707000-memory.dmp	themida
behavioral1/memory/3032-28-0x0000000001220000-0x0000000001707000-memory.dmp	themida
behavioral1/memory/3032-27-0x0000000001220000-0x0000000001707000-memory.dmp	themida
behavioral1/memory/3032-26-0x0000000001220000-0x0000000001707000-memory.dmp	themida
behavioral1/memory/3032-30-0x0000000001220000-0x0000000001707000-memory.dmp	themida
behavioral1/memory/3032-32-0x0000000001220000-0x0000000001707000-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	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	explorta.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorta.job	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorta.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2432	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 3032	2432	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe	31
PID 2432 wrote to memory of 3032	2432	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe	31
PID 2432 wrote to memory of 3032	2432	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe	31
PID 2432 wrote to memory of 3032	2432	105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe	31

C:\Users\Admin\AppData\Local\Temp\105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.exe
"C:\Users\Admin\AppData\Local\Temp\105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9.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
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
  "C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3032

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe

Filesize
1.5MB

MD5
3b6864d7fd3baca4f3bcca0736c26617

SHA1
dbbbfa7e960b6d7e5b58494970f1acffc3b0cca6

SHA256
105e328b76537631b6bf443a48dc288193db152a1ef25408373727aa1fc77fa9

SHA512
69e0444f34c7cb13bed561bbd0d86e1896d31bce3c99308f01eda43d2caff99741bca9609f0a028b9135653999c98f86e19b91414ec5953ac327a695f2275b74

Download Submit
memory/2432-7-0x00000000013E0000-0x00000000018C7000-memory.dmp

Filesize
4.9MB

Download
memory/2432-3-0x00000000013E0000-0x00000000018C7000-memory.dmp

Filesize
4.9MB

Download
memory/2432-25-0x00000000013E0000-0x00000000018C7000-memory.dmp

Filesize
4.9MB

Download
memory/2432-8-0x00000000013E0000-0x00000000018C7000-memory.dmp

Filesize
4.9MB

Download
memory/2432-0-0x00000000013E0000-0x00000000018C7000-memory.dmp

Filesize
4.9MB

Download
memory/2432-6-0x00000000013E0000-0x00000000018C7000-memory.dmp

Filesize
4.9MB

Download
memory/2432-5-0x00000000013E0000-0x00000000018C7000-memory.dmp

Filesize
4.9MB

Download
memory/2432-4-0x00000000013E0000-0x00000000018C7000-memory.dmp

Filesize
4.9MB

Download
memory/2432-19-0x0000000004C30000-0x0000000005117000-memory.dmp

Filesize
4.9MB

Download
memory/2432-1-0x00000000013E0000-0x00000000018C7000-memory.dmp

Filesize
4.9MB

Download
memory/2432-10-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/2432-2-0x00000000013E0000-0x00000000018C7000-memory.dmp

Filesize
4.9MB

Download
memory/3032-32-0x0000000001220000-0x0000000001707000-memory.dmp

Filesize
4.9MB

Download
memory/3032-20-0x0000000001220000-0x0000000001707000-memory.dmp

Filesize
4.9MB

Download
memory/3032-22-0x0000000001220000-0x0000000001707000-memory.dmp

Filesize
4.9MB

Download
memory/3032-23-0x0000000001220000-0x0000000001707000-memory.dmp

Filesize
4.9MB

Download
memory/3032-29-0x0000000001220000-0x0000000001707000-memory.dmp

Filesize
4.9MB

Download
memory/3032-28-0x0000000001220000-0x0000000001707000-memory.dmp

Filesize
4.9MB

Download
memory/3032-27-0x0000000001220000-0x0000000001707000-memory.dmp

Filesize
4.9MB

Download
memory/3032-26-0x0000000001220000-0x0000000001707000-memory.dmp

Filesize
4.9MB

Download
memory/3032-30-0x0000000001220000-0x0000000001707000-memory.dmp

Filesize
4.9MB

Download
memory/3032-24-0x0000000001220000-0x0000000001707000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads