amadey | 04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472

General

Target

04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe
Size

1.8MB
MD5

55027c84a3fa77944f2b617a805398e6
SHA1

9eb4a5bab2b04958ed519d9d5c0c7f9a02c7a2be
SHA256

04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472
SHA512

63d066efa2ac2fc2dc0cce3fd90e46327b930abeab8751e1b81f511420680a9c6644e594d41970b19f67f93e612205aef65d620360f5744a31dba3adfaf94222
SSDEEP

24576:IcSXFq/Vn7sCodi6zSjAHwgQzPHrICGWl7019kqiXpkWHQIvlKL7/4WwQED1wSPx:oTyjdbLICGWl7017fXIgQW01zMwO8TX

Score

10^/10

amadey evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes

install_dir
4d0ab15804
install_file
chrosha.exe
strings_key
1a9519d7b465e1f4880fa09a6162d768
url_paths
/enigma/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 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exechrosha.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	chrosha.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

Processes:

chrosha.exe04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	chrosha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	chrosha.exe

Executes dropped EXE 1 IoCs

Processes:

chrosha.exe

pid process

2824 chrosha.exe

pid	process
2824	chrosha.exe

Identifies Wine through registry keys 2 TTPs 2 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:

04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exechrosha.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Software\Wine	04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe
Key opened	\REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Software\Wine	chrosha.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exechrosha.exe

pid process

2092 04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe
2824 chrosha.exe
Drops file in Windows directory 1 IoCs

Processes:

04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe

description ioc process

File created C:\Windows\Tasks\chrosha.job 04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.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\chrosha.job	04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exechrosha.exe

pid	process
2092	04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe
2092	04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe
2824	chrosha.exe
2824	chrosha.exe

C:\Users\Admin\AppData\Local\Temp\04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.exe
"C:\Users\Admin\AppData\Local\Temp\04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472.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
PID:2092

C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.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:2824

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
Filesize
1.8MB

MD5
55027c84a3fa77944f2b617a805398e6

SHA1
9eb4a5bab2b04958ed519d9d5c0c7f9a02c7a2be

SHA256
04b05d72679b657e55f0bc84630320a87f1830df3989b8b2d3330358969b6472

SHA512
63d066efa2ac2fc2dc0cce3fd90e46327b930abeab8751e1b81f511420680a9c6644e594d41970b19f67f93e612205aef65d620360f5744a31dba3adfaf94222

Download Submit
memory/2092-4-0x0000000004E50000-0x0000000004E51000-memory.dmp

Filesize
4KB

Download
memory/2092-8-0x0000000004E20000-0x0000000004E21000-memory.dmp

Filesize
4KB

Download
memory/2092-7-0x0000000004E10000-0x0000000004E11000-memory.dmp

Filesize
4KB

Download
memory/2092-6-0x0000000004E70000-0x0000000004E71000-memory.dmp

Filesize
4KB

Download
memory/2092-5-0x0000000004E30000-0x0000000004E31000-memory.dmp

Filesize
4KB

Download
memory/2092-0-0x00000000004C0000-0x0000000000969000-memory.dmp

Filesize
4.7MB

Download
memory/2092-3-0x0000000004E40000-0x0000000004E41000-memory.dmp

Filesize
4KB

Download
memory/2092-2-0x00000000004C0000-0x0000000000969000-memory.dmp

Filesize
4.7MB

Download
memory/2092-9-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

Filesize
4KB

Download
memory/2092-10-0x0000000004E90000-0x0000000004E91000-memory.dmp

Filesize
4KB

Download
memory/2092-16-0x00000000004C0000-0x0000000000969000-memory.dmp

Filesize
4.7MB

Download
memory/2092-1-0x0000000077C14000-0x0000000077C16000-memory.dmp

Filesize
8KB

Download
memory/2824-24-0x0000000004A50000-0x0000000004A51000-memory.dmp

Filesize
4KB

Download
memory/2824-30-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-27-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

Filesize
4KB

Download
memory/2824-26-0x0000000004A80000-0x0000000004A81000-memory.dmp

Filesize
4KB

Download
memory/2824-25-0x0000000004A60000-0x0000000004A61000-memory.dmp

Filesize
4KB

Download
memory/2824-19-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-23-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

Download
memory/2824-22-0x0000000004A70000-0x0000000004A71000-memory.dmp

Filesize
4KB

Download
memory/2824-21-0x0000000004A90000-0x0000000004A91000-memory.dmp

Filesize
4KB

Download
memory/2824-29-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

Filesize
4KB

Download
memory/2824-28-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

Filesize
4KB

Download
memory/2824-20-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-31-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-32-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-33-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-34-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-35-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-36-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-37-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-38-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-39-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-40-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download
memory/2824-41-0x0000000000B30000-0x0000000000FD9000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads