amadey | b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2024 01:26

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General

Target

b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe
Size

1.8MB
MD5

a087201fb2f1a935b37ea293c7378414
SHA1

91b97b7262e239b7db77451ec577cd4cd826f722
SHA256

b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff
SHA512

f226178958168825273bfc0550708974619c6f6c746a311b6af5284bd3dc01155778e0cde31866876d8a216de4550e4b951d381c74eb5dc8321284463ee8defb
SSDEEP

24576:qcD/4AaCf/X4d4L00p5dKNhtAw6UJxsU0joPOpI8hI9wifeptCLbW5Ru9YwDp:R/4At/M4wW8NjATUzwBimpmyTw

Score

10^/10

amadey evasion spyware stealer 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 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exeexplorgu.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorgu.exe

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exerundll32.exe

flow pid process

40 4228 rundll32.exe
41 2720 rundll32.exe
Downloads MZ/PE file

flow	pid	process
40	4228	rundll32.exe
41	2720	rundll32.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:

b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exeexplorgu.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorgu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorgu.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:

explorgu.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation explorgu.exe
Executes dropped EXE 1 IoCs

Processes:

explorgu.exe

pid process

1488 explorgu.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	explorgu.exe

pid	process
1488	explorgu.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:

b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exeexplorgu.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Wine	b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe
Key opened	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Wine	explorgu.exe

Loads dropped DLL 3 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

pid process

5116 rundll32.exe
4228 rundll32.exe
2720 rundll32.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exeexplorgu.exe

pid process

4952 b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe
1488 explorgu.exe
Drops file in Windows directory 1 IoCs

Processes:

b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe

description ioc process

File created C:\Windows\Tasks\explorgu.job b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
5116	rundll32.exe
4228	rundll32.exe
2720	rundll32.exe

description	ioc	process
File created	C:\Windows\Tasks\explorgu.job	b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exeexplorgu.exerundll32.exepowershell.exe

pid	process
4952	b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe
4952	b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe
1488	explorgu.exe
1488	explorgu.exe
4228	rundll32.exe
4228	rundll32.exe
4228	rundll32.exe
4228	rundll32.exe
4228	rundll32.exe
4228	rundll32.exe
4228	rundll32.exe
4228	rundll32.exe
4228	rundll32.exe
4228	rundll32.exe
2716	powershell.exe
2716	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2716 powershell.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe

pid process

4952 b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe

description	pid	process
Token: SeDebugPrivilege	2716	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

explorgu.exerundll32.exerundll32.exe

description	pid	process	target process
PID 1488 wrote to memory of 5116	1488	explorgu.exe	rundll32.exe
PID 1488 wrote to memory of 5116	1488	explorgu.exe	rundll32.exe
PID 1488 wrote to memory of 5116	1488	explorgu.exe	rundll32.exe
PID 5116 wrote to memory of 4228	5116	rundll32.exe	rundll32.exe
PID 5116 wrote to memory of 4228	5116	rundll32.exe	rundll32.exe
PID 4228 wrote to memory of 2448	4228	rundll32.exe	netsh.exe
PID 4228 wrote to memory of 2448	4228	rundll32.exe	netsh.exe
PID 4228 wrote to memory of 2716	4228	rundll32.exe	powershell.exe
PID 4228 wrote to memory of 2716	4228	rundll32.exe	powershell.exe
PID 1488 wrote to memory of 2720	1488	explorgu.exe	rundll32.exe
PID 1488 wrote to memory of 2720	1488	explorgu.exe	rundll32.exe
PID 1488 wrote to memory of 2720	1488	explorgu.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.exe
"C:\Users\Admin\AppData\Local\Temp\b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff.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:4952

C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1488

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5116

C:\Windows\system32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4228

C:\Windows\system32\netsh.exe
netsh wlan show profiles
4⤵
PID:2448

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\831553292808_Desktop.zip' -CompressionLevel Optimal
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:2720

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
Filesize
1.8MB

MD5
a087201fb2f1a935b37ea293c7378414

SHA1
91b97b7262e239b7db77451ec577cd4cd826f722

SHA256
b8eaa37637fff43be6e7eede97b562954bd4000a4772ea9f72a04165478cb5ff

SHA512
f226178958168825273bfc0550708974619c6f6c746a311b6af5284bd3dc01155778e0cde31866876d8a216de4550e4b951d381c74eb5dc8321284463ee8defb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u5xqpovh.15y.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
Filesize
109KB

MD5
2afdbe3b99a4736083066a13e4b5d11a

SHA1
4d4856cf02b3123ac16e63d4a448cdbcb1633546

SHA256
8d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee

SHA512
d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f

Download Submit
C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll
Filesize
1.2MB

MD5
92fbdfccf6a63acef2743631d16652a7

SHA1
971968b1378dd89d59d7f84bf92f16fc68664506

SHA256
b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72

SHA512
b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117

Download Submit
memory/1488-79-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-20-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-81-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-78-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-82-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-66-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-65-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-54-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-83-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-84-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-19-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-80-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/1488-22-0x0000000005430000-0x0000000005431000-memory.dmp

Filesize
4KB

Download
memory/1488-23-0x0000000005410000-0x0000000005411000-memory.dmp

Filesize
4KB

Download
memory/1488-24-0x0000000005450000-0x0000000005451000-memory.dmp

Filesize
4KB

Download
memory/1488-21-0x0000000005420000-0x0000000005421000-memory.dmp

Filesize
4KB

Download
memory/1488-25-0x00000000053F0000-0x00000000053F1000-memory.dmp

Filesize
4KB

Download
memory/1488-26-0x0000000005400000-0x0000000005401000-memory.dmp

Filesize
4KB

Download
memory/1488-27-0x0000000005480000-0x0000000005481000-memory.dmp

Filesize
4KB

Download
memory/1488-28-0x0000000005470000-0x0000000005471000-memory.dmp

Filesize
4KB

Download
memory/1488-29-0x0000000000230000-0x00000000006EA000-memory.dmp

Filesize
4.7MB

Download
memory/2716-57-0x0000018740380000-0x0000018740392000-memory.dmp

Filesize
72KB

Download
memory/2716-58-0x000001873F870000-0x000001873F87A000-memory.dmp

Filesize
40KB

Download
memory/2716-47-0x000001873F880000-0x000001873F8A2000-memory.dmp

Filesize
136KB

Download
memory/2716-52-0x00007FFFCC0B0000-0x00007FFFCCB71000-memory.dmp

Filesize
10.8MB

Download
memory/2716-64-0x00007FFFCC0B0000-0x00007FFFCCB71000-memory.dmp

Filesize
10.8MB

Download
memory/2716-53-0x0000018727210000-0x0000018727220000-memory.dmp

Filesize
64KB

Download
memory/2716-55-0x0000018727210000-0x0000018727220000-memory.dmp

Filesize
64KB

Download
memory/2716-56-0x0000018727210000-0x0000018727220000-memory.dmp

Filesize
64KB

Download
memory/4952-10-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/4952-0-0x0000000000B00000-0x0000000000FBA000-memory.dmp

Filesize
4.7MB

Download
memory/4952-11-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/4952-16-0x0000000000B00000-0x0000000000FBA000-memory.dmp

Filesize
4.7MB

Download
memory/4952-9-0x00000000051E0000-0x00000000051E1000-memory.dmp

Filesize
4KB

Download
memory/4952-8-0x00000000051D0000-0x00000000051D1000-memory.dmp

Filesize
4KB

Download
memory/4952-6-0x0000000005190000-0x0000000005191000-memory.dmp

Filesize
4KB

Download
memory/4952-7-0x00000000051A0000-0x00000000051A1000-memory.dmp

Filesize
4KB

Download
memory/4952-4-0x00000000051B0000-0x00000000051B1000-memory.dmp

Filesize
4KB

Download
memory/4952-5-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download
memory/4952-3-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/4952-2-0x0000000000B00000-0x0000000000FBA000-memory.dmp

Filesize
4.7MB

Download
memory/4952-1-0x00000000778A4000-0x00000000778A6000-memory.dmp

Filesize
8KB

Download