amadey | 9a1479bac1f3c4652a9b14798f3e5d2ec2cd4839ad40415d079619d21a812c64

Resubmissions

28-03-2024 19:02

240328-xpx18aef83 10

28-03-2024 18:58

240328-xmvs3sdf7v 10

28-03-2024 18:54

240328-xj7cpsde5w 10

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-03-2024 19:02

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General

Target

31be2f115f41edc9983d957c33008b68.exe
Size

1.8MB
MD5

31be2f115f41edc9983d957c33008b68
SHA1

12a8ac48d6ca6917d872c1c96e5d277c4dd842b3
SHA256

9a1479bac1f3c4652a9b14798f3e5d2ec2cd4839ad40415d079619d21a812c64
SHA512

c7bb8e85167fc06cabc095a895d953c8e0a6a0eb21e23431c26a866f22e8266e989b1c273cda667836c90fce36c30ced59b46e2cce6d2d996bb2aa6ee6e41f90
SSDEEP

49152:ynktmVBAjAVQLaStMDTBf0Qizoq+4Q9l80UAoxLs:k6OVupkBMQgXp

Score

10^/10

amadey evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.17

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:

31be2f115f41edc9983d957c33008b68.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 31be2f115f41edc9983d957c33008b68.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	31be2f115f41edc9983d957c33008b68.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:

31be2f115f41edc9983d957c33008b68.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	31be2f115f41edc9983d957c33008b68.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	31be2f115f41edc9983d957c33008b68.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:

31be2f115f41edc9983d957c33008b68.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Wine 31be2f115f41edc9983d957c33008b68.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

31be2f115f41edc9983d957c33008b68.exe

pid process

2844 31be2f115f41edc9983d957c33008b68.exe
Drops file in Windows directory 1 IoCs

Processes:

31be2f115f41edc9983d957c33008b68.exe

description ioc process

File created C:\Windows\Tasks\explorgu.job 31be2f115f41edc9983d957c33008b68.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:

31be2f115f41edc9983d957c33008b68.exe

pid process

2844 31be2f115f41edc9983d957c33008b68.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

31be2f115f41edc9983d957c33008b68.exe

pid process

2844 31be2f115f41edc9983d957c33008b68.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Wine	31be2f115f41edc9983d957c33008b68.exe

pid	process
2844	31be2f115f41edc9983d957c33008b68.exe

description	ioc	process
File created	C:\Windows\Tasks\explorgu.job	31be2f115f41edc9983d957c33008b68.exe

pid	process
2844	31be2f115f41edc9983d957c33008b68.exe

pid	process
2844	31be2f115f41edc9983d957c33008b68.exe

C:\Users\Admin\AppData\Local\Temp\31be2f115f41edc9983d957c33008b68.exe
"C:\Users\Admin\AppData\Local\Temp\31be2f115f41edc9983d957c33008b68.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:2844

C:\Program Files\windows defender\MSASCui.exe
"C:\Program Files\windows defender\MSASCui.exe" -quickscan
1⤵
PID:2352

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

Replay Monitor

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Downloads

memory/2352-24-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2844-12-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/2844-19-0x0000000002B00000-0x0000000002B01000-memory.dmp

Filesize
4KB

Download
memory/2844-2-0x0000000000B30000-0x0000000000FF2000-memory.dmp

Filesize
4.8MB

Download
memory/2844-5-0x0000000002420000-0x0000000002421000-memory.dmp

Filesize
4KB

Download
memory/2844-4-0x00000000026F0000-0x00000000026F1000-memory.dmp

Filesize
4KB

Download
memory/2844-6-0x0000000002920000-0x0000000002921000-memory.dmp

Filesize
4KB

Download
memory/2844-8-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/2844-11-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/2844-1-0x0000000077890000-0x0000000077892000-memory.dmp

Filesize
8KB

Download
memory/2844-3-0x0000000002690000-0x0000000002691000-memory.dmp

Filesize
4KB

Download
memory/2844-7-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download
memory/2844-10-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/2844-13-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/2844-14-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/2844-15-0x00000000029C0000-0x00000000029C1000-memory.dmp

Filesize
4KB

Download
memory/2844-17-0x00000000029B0000-0x00000000029B1000-memory.dmp

Filesize
4KB

Download
memory/2844-18-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download
memory/2844-0-0x0000000000B30000-0x0000000000FF2000-memory.dmp

Filesize
4.8MB

Download
memory/2844-23-0x0000000000B30000-0x0000000000FF2000-memory.dmp

Filesize
4.8MB

Download
memory/2844-9-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

Download