amadey | ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6

General

Target

ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exe
Size

1.8MB
MD5

d0593c9c56d1f897206d9e748570a458
SHA1

7d9311edff37e0a3ff87b4a6f29ff132455cb86e
SHA256

ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6
SHA512

caec9aaa4467af46efc31b86e0a6acb2edc08e3ea64fc286cdc02d84fd804160d4fd01d383c900238e93e66900185e75ca495735d6054a5e7a693ecb62004309
SSDEEP

49152:STq1WoYcSibgIlCRMu6a8ge+aWstKFbUELMfpiL7Gj4:0ibg/NCDKBLMf9

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:

ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exechrosha.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.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:

chrosha.exeea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exe

description	ioc	process
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	ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exe

Executes dropped EXE 1 IoCs

Processes:

chrosha.exe

pid process

3088 chrosha.exe

pid	process
3088	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:

ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exechrosha.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exe
Key opened	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	chrosha.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exechrosha.exe

pid process

2012 ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exe
3088 chrosha.exe
Drops file in Windows directory 1 IoCs

Processes:

ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exe

description ioc process

File created C:\Windows\Tasks\chrosha.job ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.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	ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exechrosha.exe

pid	process
2012	ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exe
2012	ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exe
3088	chrosha.exe
3088	chrosha.exe

C:\Users\Admin\AppData\Local\Temp\ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.exe
"C:\Users\Admin\AppData\Local\Temp\ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6.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:2012

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:3088

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
d0593c9c56d1f897206d9e748570a458

SHA1
7d9311edff37e0a3ff87b4a6f29ff132455cb86e

SHA256
ea58b781b3e142012c522bc21df755b13f267eb652a8f0a2cfb21c4739e666b6

SHA512
caec9aaa4467af46efc31b86e0a6acb2edc08e3ea64fc286cdc02d84fd804160d4fd01d383c900238e93e66900185e75ca495735d6054a5e7a693ecb62004309

Download Submit
memory/2012-5-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/2012-2-0x0000000000F50000-0x00000000013F9000-memory.dmp

Filesize
4.7MB

Download
memory/2012-8-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/2012-7-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/2012-6-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/2012-0-0x0000000000F50000-0x00000000013F9000-memory.dmp

Filesize
4.7MB

Download
memory/2012-4-0x0000000005220000-0x0000000005221000-memory.dmp

Filesize
4KB

Download
memory/2012-3-0x0000000005230000-0x0000000005231000-memory.dmp

Filesize
4KB

Download
memory/2012-9-0x0000000005290000-0x0000000005291000-memory.dmp

Filesize
4KB

Download
memory/2012-10-0x0000000005280000-0x0000000005281000-memory.dmp

Filesize
4KB

Download
memory/2012-16-0x0000000000F50000-0x00000000013F9000-memory.dmp

Filesize
4.7MB

Download
memory/2012-1-0x0000000077736000-0x0000000077738000-memory.dmp

Filesize
8KB

Download
memory/3088-22-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/3088-28-0x0000000004B80000-0x0000000004B81000-memory.dmp

Filesize
4KB

Download
memory/3088-21-0x0000000004B30000-0x0000000004B31000-memory.dmp

Filesize
4KB

Download
memory/3088-19-0x0000000000CE0000-0x0000000001189000-memory.dmp

Filesize
4.7MB

Download
memory/3088-24-0x0000000004B00000-0x0000000004B01000-memory.dmp

Filesize
4KB

Download
memory/3088-23-0x0000000004B60000-0x0000000004B61000-memory.dmp

Filesize
4KB

Download
memory/3088-25-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/3088-26-0x0000000004B40000-0x0000000004B41000-memory.dmp

Filesize
4KB

Download
memory/3088-27-0x0000000004B90000-0x0000000004B91000-memory.dmp

Filesize
4KB

Download
memory/3088-20-0x0000000000CE0000-0x0000000001189000-memory.dmp

Filesize
4.7MB

Download
memory/3088-29-0x0000000000CE0000-0x0000000001189000-memory.dmp

Filesize
4.7MB

Download
memory/3088-30-0x0000000000CE0000-0x0000000001189000-memory.dmp

Filesize
4.7MB

Download
memory/3088-31-0x0000000000CE0000-0x0000000001189000-memory.dmp

Filesize
4.7MB

Download
memory/3088-32-0x0000000000CE0000-0x0000000001189000-memory.dmp

Filesize
4.7MB

Download
memory/3088-33-0x0000000000CE0000-0x0000000001189000-memory.dmp

Filesize
4.7MB

Download
memory/3088-34-0x0000000000CE0000-0x0000000001189000-memory.dmp

Filesize
4.7MB

Download
memory/3088-35-0x0000000000CE0000-0x0000000001189000-memory.dmp

Filesize
4.7MB

Download
memory/3088-36-0x0000000000CE0000-0x0000000001189000-memory.dmp

Filesize
4.7MB

Download
memory/3088-37-0x0000000000CE0000-0x0000000001189000-memory.dmp

Filesize
4.7MB

Download
memory/3088-38-0x0000000000CE0000-0x0000000001189000-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