amadey | 4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67

General

Target

4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe
Size

1.8MB
MD5

863fdb1b3a20d1061ab13283438ff9ba
SHA1

976b66a2ce413ca6b8514b369f68eb4a237c1436
SHA256

4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67
SHA512

a0cce4013b2e76af00ba61fa9b72e9e27341d15d7de6d834f2289329d69ec3e9b0f41a4f1f60f2506a94f0c0114e626c20b49307fd81083b2189405b1e1f858c
SSDEEP

49152:Uqo9Kvu7k6EyLD4j6xAwOA1I31VZu20/skfm:US4bLkj6xAPAu3c2g

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:

chrosha.exe4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	chrosha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.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:

4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exechrosha.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	chrosha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	chrosha.exe

Executes dropped EXE 1 IoCs

Processes:

chrosha.exe

pid process

3124 chrosha.exe

pid	process
3124	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:

4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exechrosha.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Software\Wine	4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe
Key opened	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Software\Wine	chrosha.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exechrosha.exe

pid process

4036 4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe
3124 chrosha.exe
Drops file in Windows directory 1 IoCs

Processes:

4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe

description ioc process

File created C:\Windows\Tasks\chrosha.job 4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.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	4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exechrosha.exe

pid	process
4036	4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe
4036	4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe
3124	chrosha.exe
3124	chrosha.exe

C:\Users\Admin\AppData\Local\Temp\4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.exe
"C:\Users\Admin\AppData\Local\Temp\4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67.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:4036

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:3124

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
863fdb1b3a20d1061ab13283438ff9ba

SHA1
976b66a2ce413ca6b8514b369f68eb4a237c1436

SHA256
4b06de871b297f9208c7211bf674b239fa8c83a6996746d6991bbdaa884a0e67

SHA512
a0cce4013b2e76af00ba61fa9b72e9e27341d15d7de6d834f2289329d69ec3e9b0f41a4f1f60f2506a94f0c0114e626c20b49307fd81083b2189405b1e1f858c

Download Submit
memory/3124-30-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-32-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-40-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-39-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-23-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download
memory/3124-38-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-37-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-27-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/3124-36-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-26-0x00000000051B0000-0x00000000051B1000-memory.dmp

Filesize
4KB

Download
memory/3124-35-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-34-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-33-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-20-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-21-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-22-0x00000000051E0000-0x00000000051E1000-memory.dmp

Filesize
4KB

Download
memory/3124-31-0x0000000000EB0000-0x000000000135E000-memory.dmp

Filesize
4.7MB

Download
memory/3124-28-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/3124-29-0x0000000005230000-0x0000000005231000-memory.dmp

Filesize
4KB

Download
memory/3124-25-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/3124-24-0x00000000051D0000-0x00000000051D1000-memory.dmp

Filesize
4KB

Download
memory/4036-1-0x0000000077184000-0x0000000077186000-memory.dmp

Filesize
8KB

Download
memory/4036-4-0x0000000005190000-0x0000000005191000-memory.dmp

Filesize
4KB

Download
memory/4036-0-0x0000000000ED0000-0x000000000137E000-memory.dmp

Filesize
4.7MB

Download
memory/4036-7-0x0000000005150000-0x0000000005151000-memory.dmp

Filesize
4KB

Download
memory/4036-2-0x0000000000ED0000-0x000000000137E000-memory.dmp

Filesize
4.7MB

Download
memory/4036-11-0x00000000051D0000-0x00000000051D1000-memory.dmp

Filesize
4KB

Download
memory/4036-17-0x0000000000ED0000-0x000000000137E000-memory.dmp

Filesize
4.7MB

Download
memory/4036-5-0x0000000005170000-0x0000000005171000-memory.dmp

Filesize
4KB

Download
memory/4036-3-0x0000000005180000-0x0000000005181000-memory.dmp

Filesize
4KB

Download
memory/4036-10-0x00000000051E0000-0x00000000051E1000-memory.dmp

Filesize
4KB

Download
memory/4036-6-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/4036-8-0x0000000005160000-0x0000000005161000-memory.dmp

Filesize
4KB

Download
memory/4036-9-0x00000000051B0000-0x00000000051B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads