amadey | 4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 12:50

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General

Target

4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe
Size

1.9MB
MD5

0e909cab69d353d45714e77c11ed82bc
SHA1

5719443f12548b271015f13c2b4bea4b74621fff
SHA256

4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f
SHA512

94fe742cbb79c8349e0725327ab39ad89ad626127fe8b35606fb18e0e4e061dbf8887a2e62717387251676fe8751a0bcf62ec7eb368f44af5b69cbd0ee80fc06
SSDEEP

49152:BaFKVDN0wdnfuUN+HCWMsX5VUxR354wfr:VbnfuUN+HfME2Rr

Score

10^/10

amadey 4dd39d evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

http://77.91.77.82

Attributes

install_dir
ad40971b6b
install_file
explorti.exe
strings_key
a434973ad22def7137dbb5e059b7081e
url_paths
/Hun4Ko/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:

4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.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:

explorti.exeexplorti.exe4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.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:

4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe

Executes dropped EXE 3 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exe

pid process

5016 explorti.exe
3528 explorti.exe
4276 explorti.exe

pid	process
5016	explorti.exe
3528	explorti.exe
4276	explorti.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

Processes:

4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	explorti.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exeexplorti.exeexplorti.exeexplorti.exe

pid process

4932 4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe
5016 explorti.exe
3528 explorti.exe
4276 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe

description ioc process

File created C:\Windows\Tasks\explorti.job 4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
4932	4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe
4932	4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe
5016	explorti.exe
5016	explorti.exe
3528	explorti.exe
3528	explorti.exe
4276	explorti.exe
4276	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe

description	pid	process	target process
PID 4932 wrote to memory of 5016	4932	4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe	explorti.exe
PID 4932 wrote to memory of 5016	4932	4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe	explorti.exe
PID 4932 wrote to memory of 5016	4932	4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe
"C:\Users\Admin\AppData\Local\Temp\4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4932

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:5016

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:3528

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:4276

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
Filesize
1.9MB

MD5
0e909cab69d353d45714e77c11ed82bc

SHA1
5719443f12548b271015f13c2b4bea4b74621fff

SHA256
4a33630654f4acf9bd8a07f21bf968806f89b9d409c57dba3bc00a10a874ec4f

SHA512
94fe742cbb79c8349e0725327ab39ad89ad626127fe8b35606fb18e0e4e061dbf8887a2e62717387251676fe8751a0bcf62ec7eb368f44af5b69cbd0ee80fc06

Download Submit
memory/3528-29-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/3528-30-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/3528-28-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/3528-31-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/4276-40-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/4276-39-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/4932-3-0x0000000000420000-0x00000000008EF000-memory.dmp

Filesize
4.8MB

Download
memory/4932-0-0x0000000000420000-0x00000000008EF000-memory.dmp

Filesize
4.8MB

Download
memory/4932-17-0x0000000000420000-0x00000000008EF000-memory.dmp

Filesize
4.8MB

Download
memory/4932-5-0x0000000000420000-0x00000000008EF000-memory.dmp

Filesize
4.8MB

Download
memory/4932-2-0x0000000000421000-0x000000000044F000-memory.dmp

Filesize
184KB

Download
memory/4932-1-0x0000000077464000-0x0000000077466000-memory.dmp

Filesize
8KB

Download
memory/5016-19-0x0000000000D61000-0x0000000000D8F000-memory.dmp

Filesize
184KB

Download
memory/5016-34-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-27-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-24-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-23-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-22-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-21-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-32-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-33-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-25-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-35-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-36-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-37-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-20-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-18-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-41-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-42-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-43-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-44-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download
memory/5016-45-0x0000000000D60000-0x000000000122F000-memory.dmp

Filesize
4.8MB

Download