amadey | d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b

General

Target

d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exe
Size

1.8MB
MD5

25d59b166400d30f6da06e06475bade9
SHA1

e97e8af73c35544c5f4617fd707bfcbadb35ff7e
SHA256

d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b
SHA512

c09ded60888f68798999638e16f940791550ce7218f5e1b1b7e86ac4b6d1e4746c46a19556f6ce8aa933ec54744f687c0cdff7c8db7a1166923048424ee265b7
SSDEEP

24576:k5bZoqIKHH7rxtoblP4FUfox73SueU1CJyXswAkOnNAj6r10ydR6CXaRec+EPcyC:PE7rxaRroxlPcwaXnGyLL6te8v1bo5/

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:

d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exechrosha.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.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:

d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exechrosha.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	chrosha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	chrosha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exe

Executes dropped EXE 1 IoCs

Processes:

chrosha.exe

pid process

4900 chrosha.exe

pid	process
4900	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:

d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exechrosha.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\Software\Wine	d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\Software\Wine	chrosha.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exechrosha.exe

pid process

4332 d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exe
4900 chrosha.exe
Drops file in Windows directory 1 IoCs

Processes:

d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exe

description ioc process

File created C:\Windows\Tasks\chrosha.job d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.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	d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exechrosha.exe

pid	process
4332	d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exe
4332	d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exe
4900	chrosha.exe
4900	chrosha.exe

C:\Users\Admin\AppData\Local\Temp\d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.exe
"C:\Users\Admin\AppData\Local\Temp\d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b.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:4332

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:4900

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
25d59b166400d30f6da06e06475bade9

SHA1
e97e8af73c35544c5f4617fd707bfcbadb35ff7e

SHA256
d540648ed702517b8e4f268605a27941fe63aa4535854e6b7e89f24f60140e9b

SHA512
c09ded60888f68798999638e16f940791550ce7218f5e1b1b7e86ac4b6d1e4746c46a19556f6ce8aa933ec54744f687c0cdff7c8db7a1166923048424ee265b7

Download Submit
memory/4332-6-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download
memory/4332-2-0x0000000000EC0000-0x000000000136D000-memory.dmp

Filesize
4.7MB

Download
memory/4332-9-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/4332-8-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/4332-7-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/4332-0-0x0000000000EC0000-0x000000000136D000-memory.dmp

Filesize
4.7MB

Download
memory/4332-5-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/4332-4-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/4332-3-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

Filesize
4KB

Download
memory/4332-11-0x0000000004D30000-0x0000000004D31000-memory.dmp

Filesize
4KB

Download
memory/4332-10-0x0000000004D40000-0x0000000004D41000-memory.dmp

Filesize
4KB

Download
memory/4332-17-0x0000000000EC0000-0x000000000136D000-memory.dmp

Filesize
4.7MB

Download
memory/4332-1-0x00000000778E4000-0x00000000778E6000-memory.dmp

Filesize
8KB

Download
memory/4900-27-0x0000000004A60000-0x0000000004A61000-memory.dmp

Filesize
4KB

Download
memory/4900-29-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-20-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-26-0x0000000004A50000-0x0000000004A51000-memory.dmp

Filesize
4KB

Download
memory/4900-25-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

Filesize
4KB

Download
memory/4900-24-0x0000000004A70000-0x0000000004A71000-memory.dmp

Filesize
4KB

Download
memory/4900-23-0x0000000004A90000-0x0000000004A91000-memory.dmp

Filesize
4KB

Download
memory/4900-22-0x0000000004A80000-0x0000000004A81000-memory.dmp

Filesize
4KB

Download
memory/4900-28-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

Filesize
4KB

Download
memory/4900-21-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-30-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-31-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-32-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-33-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-34-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-35-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-36-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-37-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-38-0x0000000000FE0000-0x000000000148D000-memory.dmp

Filesize
4.7MB

Download
memory/4900-39-0x0000000000FE0000-0x000000000148D000-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