amadey | eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb

Analysis

max time kernel
143s
max time network
65s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 11:50

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General

Target

eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe
Size

1.8MB
MD5

42b633eac3a7415b01516bc14ad42310
SHA1

2b6d8f886a59b5b29d3df7d8fe1d1924325cefcf
SHA256

eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb
SHA512

25f492072d57dbd49ed2a211f53d0f5794d6056a633d8b568f1d88f734bbbd831c3791494c7c734c0e55ff253437edda842d922c13a9fc959b65b8804358a224
SSDEEP

49152:moKpJrja5ijpX60ZuEbllo05whwqt2Tf:NKpJniupK0xbXVuwbT

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:

explorti.exeexplorti.exeeb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exeexplorti.exe

description	ioc	process
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__	eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.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:

eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.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
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

Executes dropped EXE 3 IoCs

Processes:

explorti.exeexplorti.exeexplorti.exe

pid process

2328 explorti.exe
1008 explorti.exe
4512 explorti.exe

pid	process
2328	explorti.exe
1008	explorti.exe
4512	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:

explorti.exeexplorti.exeexplorti.exeeb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine	eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exeexplorti.exeexplorti.exeexplorti.exe

pid process

396 eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe
2328 explorti.exe
1008 explorti.exe
4512 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe

description ioc process

File created C:\Windows\Tasks\explorti.job eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.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	eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
396	eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe
396	eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe
2328	explorti.exe
2328	explorti.exe
1008	explorti.exe
1008	explorti.exe
4512	explorti.exe
4512	explorti.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe

description	pid	process	target process
PID 396 wrote to memory of 2328	396	eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe	explorti.exe
PID 396 wrote to memory of 2328	396	eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe	explorti.exe
PID 396 wrote to memory of 2328	396	eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.exe
"C:\Users\Admin\AppData\Local\Temp\eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb.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:396

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:2328

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:1008

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:4512

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
1.8MB

MD5
42b633eac3a7415b01516bc14ad42310

SHA1
2b6d8f886a59b5b29d3df7d8fe1d1924325cefcf

SHA256
eb90c32e2fcc3d5b5a33dddbec55eb02b09c0f0fb08e9bfc29a529685ebe20fb

SHA512
25f492072d57dbd49ed2a211f53d0f5794d6056a633d8b568f1d88f734bbbd831c3791494c7c734c0e55ff253437edda842d922c13a9fc959b65b8804358a224

Download Submit
memory/396-2-0x00000000006E1000-0x000000000070F000-memory.dmp

Filesize
184KB

Download
memory/396-1-0x0000000077A16000-0x0000000077A18000-memory.dmp

Filesize
8KB

Download
memory/396-3-0x00000000006E0000-0x0000000000B8C000-memory.dmp

Filesize
4.7MB

Download
memory/396-5-0x00000000006E0000-0x0000000000B8C000-memory.dmp

Filesize
4.7MB

Download
memory/396-17-0x00000000006E0000-0x0000000000B8C000-memory.dmp

Filesize
4.7MB

Download
memory/396-0-0x00000000006E0000-0x0000000000B8C000-memory.dmp

Filesize
4.7MB

Download
memory/1008-28-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/1008-31-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/1008-30-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/1008-29-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-19-0x0000000000FB1000-0x0000000000FDF000-memory.dmp

Filesize
184KB

Download
memory/2328-34-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-24-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-25-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-26-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-22-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-21-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-20-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-18-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-32-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-33-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-23-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-35-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-36-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-37-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-46-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-45-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-42-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-43-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/2328-44-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/4512-41-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download
memory/4512-39-0x0000000000FB0000-0x000000000145C000-memory.dmp

Filesize
4.7MB

Download