amadey | 937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
26/04/2024, 22:34

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General

Target

937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe
Size

1.8MB
MD5

48ac3259b0fdd5f749428bd7ebb472b9
SHA1

f5336a039709bd017eed3e343bb931f4559422eb
SHA256

937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3
SHA512

df2058745f08825244a0a7a87d97e51cac4e6a631387240f75a84bd28a4f2a9075d6f4efd82080ba61560fc350c1171717d76aa50a42de511916924a64e24f93
SSDEEP

49152:V3/bnpzPFRJPVUpFppguVbE2ABsHboF2a9n+uqf:VjnBPFgFpp5Vr7oj+uq

Score

10^/10

amadey evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.20

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorta.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorta.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorta.exe

Executes dropped EXE 3 IoCs

pid	Process
1944	explorta.exe
5044	explorta.exe
2448	explorta.exe

Identifies Wine through registry keys 2 TTPs 4 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Wine	explorta.exe
Key opened	\REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Wine	937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
648	937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe
1944	explorta.exe
5044	explorta.exe
2448	explorta.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorta.job	937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
648	937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe
648	937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe
1944	explorta.exe
1944	explorta.exe
5044	explorta.exe
5044	explorta.exe
2448	explorta.exe
2448	explorta.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 1944	648	937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe	81
PID 648 wrote to memory of 1944	648	937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe	81
PID 648 wrote to memory of 1944	648	937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe	81

C:\Users\Admin\AppData\Local\Temp\937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe
"C:\Users\Admin\AppData\Local\Temp\937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:648
- 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
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:1944

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:5044

C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.8MB

MD5
48ac3259b0fdd5f749428bd7ebb472b9

SHA1
f5336a039709bd017eed3e343bb931f4559422eb

SHA256
937749856b2253b541232393c4c584411429dcbca9e23e19bc4af8d4d6da21d3

SHA512
df2058745f08825244a0a7a87d97e51cac4e6a631387240f75a84bd28a4f2a9075d6f4efd82080ba61560fc350c1171717d76aa50a42de511916924a64e24f93

Download Submit
memory/648-0-0x0000000000820000-0x0000000000CC2000-memory.dmp

Filesize
4.6MB

Download
memory/648-1-0x00000000770D6000-0x00000000770D8000-memory.dmp

Filesize
8KB

Download
memory/648-2-0x0000000005520000-0x0000000005521000-memory.dmp

Filesize
4KB

Download
memory/648-6-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/648-7-0x0000000005530000-0x0000000005531000-memory.dmp

Filesize
4KB

Download
memory/648-5-0x00000000054F0000-0x00000000054F1000-memory.dmp

Filesize
4KB

Download
memory/648-4-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/648-3-0x0000000005510000-0x0000000005511000-memory.dmp

Filesize
4KB

Download
memory/648-9-0x0000000005570000-0x0000000005571000-memory.dmp

Filesize
4KB

Download
memory/648-8-0x0000000005580000-0x0000000005581000-memory.dmp

Filesize
4KB

Download
memory/648-22-0x0000000000820000-0x0000000000CC2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-33-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-49-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-29-0x00000000054C0000-0x00000000054C1000-memory.dmp

Filesize
4KB

Download
memory/1944-28-0x00000000054B0000-0x00000000054B1000-memory.dmp

Filesize
4KB

Download
memory/1944-27-0x0000000005510000-0x0000000005511000-memory.dmp

Filesize
4KB

Download
memory/1944-26-0x00000000054D0000-0x00000000054D1000-memory.dmp

Filesize
4KB

Download
memory/1944-25-0x00000000054F0000-0x00000000054F1000-memory.dmp

Filesize
4KB

Download
memory/1944-24-0x00000000054E0000-0x00000000054E1000-memory.dmp

Filesize
4KB

Download
memory/1944-31-0x0000000005530000-0x0000000005531000-memory.dmp

Filesize
4KB

Download
memory/1944-32-0x0000000005520000-0x0000000005521000-memory.dmp

Filesize
4KB

Download
memory/1944-23-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-34-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-35-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-36-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-37-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-38-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-58-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-57-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-56-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-52-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-51-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-50-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-30-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/1944-47-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/1944-48-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/2448-54-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/2448-55-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/5044-46-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download
memory/5044-44-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

Filesize
4KB

Download
memory/5044-45-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/5044-41-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/5044-42-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/5044-43-0x0000000004D00000-0x0000000004D01000-memory.dmp

Filesize
4KB

Download
memory/5044-40-0x0000000000210000-0x00000000006B2000-memory.dmp

Filesize
4.6MB

Download