amadey | 9c1751ba73fe53ed9385f24750212c6e785843e4c63dbafec8f95d3e6a5088ef

General

Target

79fbd35cae4148d9053cd4590b6d41c0.exe
Size

1.8MB
MD5

79fbd35cae4148d9053cd4590b6d41c0
SHA1

3548d8fa1f242206447224068c16ffd30278ede3
SHA256

9c1751ba73fe53ed9385f24750212c6e785843e4c63dbafec8f95d3e6a5088ef
SHA512

babf970ee423976f68864c67d9ec7a0771be65465b4ea3c498fd9a9ab98f08124be2a0ec16f7952b237d27d778ef49ef9f48fe8ad66dd9a3f840ffc9a5658a40
SSDEEP

49152:rOixuZfOJofYPg+EevCu7OgYZkwtOc/Xe+vv:rOgIfOJosF/jYZk/cv

Score

10^/10

amadey evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes

install_dir
00c07260dc
install_file
explorgu.exe
strings_key
461809bd97c251ba0c0c8450c7055f1d
url_paths
/yandex/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 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

79fbd35cae4148d9053cd4590b6d41c0.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 79fbd35cae4148d9053cd4590b6d41c0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	79fbd35cae4148d9053cd4590b6d41c0.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

79fbd35cae4148d9053cd4590b6d41c0.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	79fbd35cae4148d9053cd4590b6d41c0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	79fbd35cae4148d9053cd4590b6d41c0.exe

Identifies Wine through registry keys 2 TTPs 1 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:

79fbd35cae4148d9053cd4590b6d41c0.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Wine 79fbd35cae4148d9053cd4590b6d41c0.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

79fbd35cae4148d9053cd4590b6d41c0.exe

pid process

1888 79fbd35cae4148d9053cd4590b6d41c0.exe
Drops file in Windows directory 1 IoCs

Processes:

79fbd35cae4148d9053cd4590b6d41c0.exe

description ioc process

File created C:\Windows\Tasks\explorgu.job 79fbd35cae4148d9053cd4590b6d41c0.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

79fbd35cae4148d9053cd4590b6d41c0.exe

pid process

1888 79fbd35cae4148d9053cd4590b6d41c0.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

79fbd35cae4148d9053cd4590b6d41c0.exe

pid process

1888 79fbd35cae4148d9053cd4590b6d41c0.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Wine	79fbd35cae4148d9053cd4590b6d41c0.exe

pid	process
1888	79fbd35cae4148d9053cd4590b6d41c0.exe

description	ioc	process
File created	C:\Windows\Tasks\explorgu.job	79fbd35cae4148d9053cd4590b6d41c0.exe

pid	process
1888	79fbd35cae4148d9053cd4590b6d41c0.exe

pid	process
1888	79fbd35cae4148d9053cd4590b6d41c0.exe

C:\Users\Admin\AppData\Local\Temp\79fbd35cae4148d9053cd4590b6d41c0.exe
"C:\Users\Admin\AppData\Local\Temp\79fbd35cae4148d9053cd4590b6d41c0.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 FindShellTrayWindow
PID:1888

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

Replay Monitor

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Downloads

memory/1888-0-0x0000000000280000-0x0000000000735000-memory.dmp

Filesize
4.7MB

Download
memory/1888-1-0x0000000077790000-0x0000000077792000-memory.dmp

Filesize
8KB

Download
memory/1888-2-0x0000000000280000-0x0000000000735000-memory.dmp

Filesize
4.7MB

Download
memory/1888-14-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download
memory/1888-13-0x00000000009A0000-0x00000000009A1000-memory.dmp

Filesize
4KB

Download
memory/1888-12-0x0000000002710000-0x0000000002711000-memory.dmp

Filesize
4KB

Download
memory/1888-11-0x00000000022A0000-0x00000000022A1000-memory.dmp

Filesize
4KB

Download
memory/1888-10-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/1888-9-0x00000000021D0000-0x00000000021D1000-memory.dmp

Filesize
4KB

Download
memory/1888-8-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/1888-7-0x0000000000970000-0x0000000000971000-memory.dmp

Filesize
4KB

Download
memory/1888-6-0x0000000002720000-0x0000000002721000-memory.dmp

Filesize
4KB

Download
memory/1888-5-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/1888-4-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/1888-3-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/1888-15-0x00000000021F0000-0x00000000021F1000-memory.dmp

Filesize
4KB

Download
memory/1888-16-0x0000000002730000-0x0000000002731000-memory.dmp

Filesize
4KB

Download
memory/1888-18-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/1888-19-0x0000000002A50000-0x0000000002A51000-memory.dmp

Filesize
4KB

Download
memory/1888-23-0x0000000000280000-0x0000000000735000-memory.dmp

Filesize
4.7MB

Download

Analysis

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