amadey | bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13

Analysis

max time kernel
142s
max time network
50s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 01:59

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General

Target

bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
Size

1.9MB
MD5

eaa443f37443cb7221d63e0891243384
SHA1

d3242326b2ac1ae6e9817a49df33c3a79e209aee
SHA256

bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13
SHA512

8405c44c1eea8578224eb6495f689d66e4e2f6503c0bf08d3c111e4e307603a35089649296ebf89b76d339c9517a83133b741c655097a9fe319f25aae1f6afdb
SSDEEP

49152:6YyPZ96v5ohNyPiYPl5A7E2+P75+Zg6RenX1IAhTiz8wPT:kBSPiYNK7mP91/TOQ

Score

10^/10

amadey e76b71 evasion trojan

Malware Config

Extracted

Family

amadey

Version

8254624243

Botnet

e76b71

http://77.91.77.81

Attributes

install_dir
8254624243
install_file
axplong.exe
strings_key
90049e51fabf09df0d6748e0b271922e
url_paths
/Kiru9gu/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:

bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exeaxplong.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.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:

bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exeaxplong.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.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:

bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe

Executes dropped EXE 1 IoCs

Processes:

axplong.exe

pid process

400 axplong.exe

pid	process
400	axplong.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:

bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exeaxplong.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	axplong.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exeaxplong.exe

pid process

2852 bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
400 axplong.exe
Drops file in Windows directory 1 IoCs

Processes:

bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe

description ioc process

File created C:\Windows\Tasks\axplong.job bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exeaxplong.exe

pid process

2852 bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
2852 bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
400 axplong.exe
400 axplong.exe

pid	process
2852	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
400	axplong.exe

description	ioc	process
File created	C:\Windows\Tasks\axplong.job	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe

pid	process
2852	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
2852	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
400	axplong.exe
400	axplong.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe

description	pid	process	target process
PID 2852 wrote to memory of 400	2852	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe	axplong.exe
PID 2852 wrote to memory of 400	2852	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe	axplong.exe
PID 2852 wrote to memory of 400	2852	bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe	axplong.exe

C:\Users\Admin\AppData\Local\Temp\bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.exe
"C:\Users\Admin\AppData\Local\Temp\bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13.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:2852

C:\Users\Admin\AppData\Local\Temp\8254624243\axplong.exe
"C:\Users\Admin\AppData\Local\Temp\8254624243\axplong.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:400

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\8254624243\axplong.exe
Filesize
1.9MB

MD5
eaa443f37443cb7221d63e0891243384

SHA1
d3242326b2ac1ae6e9817a49df33c3a79e209aee

SHA256
bef6f82a9c4064f8639e804036f460bafdd01eec87a355e247775d315b76db13

SHA512
8405c44c1eea8578224eb6495f689d66e4e2f6503c0bf08d3c111e4e307603a35089649296ebf89b76d339c9517a83133b741c655097a9fe319f25aae1f6afdb

Download Submit
memory/400-23-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-31-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-25-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-26-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-24-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-18-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-36-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-19-0x0000000000C21000-0x0000000000C4F000-memory.dmp

Filesize
184KB

Download
memory/400-20-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-21-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-22-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-35-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-37-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-34-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-33-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-27-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-28-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-29-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-30-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/400-32-0x0000000000C20000-0x00000000010F1000-memory.dmp

Filesize
4.8MB

Download
memory/2852-2-0x00000000000C1000-0x00000000000EF000-memory.dmp

Filesize
184KB

Download
memory/2852-5-0x00000000000C0000-0x0000000000591000-memory.dmp

Filesize
4.8MB

Download
memory/2852-3-0x00000000000C0000-0x0000000000591000-memory.dmp

Filesize
4.8MB

Download
memory/2852-0-0x00000000000C0000-0x0000000000591000-memory.dmp

Filesize
4.8MB

Download
memory/2852-17-0x00000000000C0000-0x0000000000591000-memory.dmp

Filesize
4.8MB

Download
memory/2852-1-0x0000000077944000-0x0000000077946000-memory.dmp

Filesize
8KB

Download