amadey | b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 02:41

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General

Target

b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe
Size

1.8MB
MD5

770569784896b9f4265199290d40887b
SHA1

bee501ab46012b693f825446bc92f0b5a21f8851
SHA256

b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e
SHA512

ffbbdab985370c1ed504b796ff956f789f3dbb2fb7f75cb8dc740d773e082d3db1ca67781c6e78930592e4d06d431053339b1885cda8207fe516542be1a262ce
SSDEEP

49152:mcKca9Fi9hD+TeUdG/X+rQVZ5kNRsETkKn7ay:m5uhD20/XmQVZ5kNRs+kKn7a

Score

10^/10

amadey stealc c7817d leva discovery evasion stealer trojan

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

c7817d

http://31.41.244.10

Attributes

install_dir
0e8d0864aa
install_file
svoutse.exe
strings_key
5481b88a6ef75bcf21333988a4e47048
url_paths
/Dem7kTu/index.php

rc4.plain

Extracted

Family

stealc

Botnet

leva

http://185.215.113.100

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey
Stealc
Stealc is an infostealer written in C++.
stealer stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	46a5adc0fd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svoutse.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d693e7cb58.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 8 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svoutse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svoutse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d693e7cb58.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d693e7cb58.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	46a5adc0fd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	46a5adc0fd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe

Executes dropped EXE 4 IoCs

pid	Process
2724	svoutse.exe
1196	d693e7cb58.exe
1728	46a5adc0fd.exe
1960	520257e734.exe

Identifies Wine through registry keys 2 TTPs 4 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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	svoutse.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	d693e7cb58.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	46a5adc0fd.exe

Loads dropped DLL 6 IoCs

pid	Process
776	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe
2724	svoutse.exe
2724	svoutse.exe
2724	svoutse.exe
2724	svoutse.exe
2724	svoutse.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000500000001a445-70.dat	autoit_exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
776	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe
2724	svoutse.exe
1196	d693e7cb58.exe
1728	46a5adc0fd.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\svoutse.job	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d693e7cb58.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	46a5adc0fd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	520257e734.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svoutse.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
776	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe
2724	svoutse.exe
1196	d693e7cb58.exe
1728	46a5adc0fd.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
776	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe
1960	520257e734.exe
1960	520257e734.exe
1960	520257e734.exe
1960	520257e734.exe
1960	520257e734.exe
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1960	520257e734.exe
1960	520257e734.exe
1960	520257e734.exe
1960	520257e734.exe

Suspicious use of SendNotifyMessage 64 IoCs

pid	Process
1960	520257e734.exe
1960	520257e734.exe
1960	520257e734.exe
1960	520257e734.exe
1960	520257e734.exe
1960	520257e734.exe
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1960	520257e734.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 2724	776	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe	30
PID 776 wrote to memory of 2724	776	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe	30
PID 776 wrote to memory of 2724	776	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe	30
PID 776 wrote to memory of 2724	776	b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe	30
PID 2724 wrote to memory of 1196	2724	svoutse.exe	33
PID 2724 wrote to memory of 1196	2724	svoutse.exe	33
PID 2724 wrote to memory of 1196	2724	svoutse.exe	33
PID 2724 wrote to memory of 1196	2724	svoutse.exe	33
PID 2724 wrote to memory of 1728	2724	svoutse.exe	34
PID 2724 wrote to memory of 1728	2724	svoutse.exe	34
PID 2724 wrote to memory of 1728	2724	svoutse.exe	34
PID 2724 wrote to memory of 1728	2724	svoutse.exe	34
PID 2724 wrote to memory of 1960	2724	svoutse.exe	35
PID 2724 wrote to memory of 1960	2724	svoutse.exe	35
PID 2724 wrote to memory of 1960	2724	svoutse.exe	35
PID 2724 wrote to memory of 1960	2724	svoutse.exe	35

C:\Users\Admin\AppData\Local\Temp\b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe
"C:\Users\Admin\AppData\Local\Temp\b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:776
- C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
  "C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Users\Admin\AppData\Roaming\1000026000\d693e7cb58.exe
    "C:\Users\Admin\AppData\Roaming\1000026000\d693e7cb58.exe"
    3⤵
    - 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
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1196
- - C:\Users\Admin\AppData\Roaming\1000027000\46a5adc0fd.exe
    "C:\Users\Admin\AppData\Roaming\1000027000\46a5adc0fd.exe"
    3⤵
    - 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
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1728
- - C:\Users\Admin\AppData\Local\Temp\1000028001\520257e734.exe
    "C:\Users\Admin\AppData\Local\Temp\1000028001\520257e734.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe

Filesize
1.8MB

MD5
770569784896b9f4265199290d40887b

SHA1
bee501ab46012b693f825446bc92f0b5a21f8851

SHA256
b87554d3b5377f3800ed096efe3b6e4d02c7ad9e3bdf1f71a66ed47ae479662e

SHA512
ffbbdab985370c1ed504b796ff956f789f3dbb2fb7f75cb8dc740d773e082d3db1ca67781c6e78930592e4d06d431053339b1885cda8207fe516542be1a262ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\1000028001\520257e734.exe

Filesize
896KB

MD5
8a9ad4f8bd8c551d33a535fd15cd3a0b

SHA1
eff90fe4949bc37c511aa3795822435f9182a3e7

SHA256
8b01cff608f4625233e56ee33347e12ece06141046133c2cf38beffcd658b7db

SHA512
358b0c9e08747de3974587591ba4bfb0d111ee4ac277249898ef1e99a4029816e997a33023d04f48ecf6f26c7197fec30df6b2a29f7cb884978b9d7b0dc6edf9

Download Submit
C:\Users\Admin\AppData\Roaming\1000026000\d693e7cb58.exe

Filesize
1.7MB

MD5
a0f1a3fb687a03fc519f656904fa3c3a

SHA1
2e38364f4ee4e4306895ccbada109c9c960fb303

SHA256
f8366120d820594290cca65aa7165b6582a5f3442fb66d7992929c821c217c3c

SHA512
c0e4488765d0e1e4f8d5a1218439bb73a6d4e4deacd5f5c7e0f90d137aa8d85021ae0ce385934933b942b47fb56438e4d70e8cdab2853fc7d3a1e97fd7dfab1f

Download Submit
memory/776-3-0x0000000000CF0000-0x000000000119E000-memory.dmp

Filesize
4.7MB

Download
memory/776-4-0x0000000000CF0000-0x000000000119E000-memory.dmp

Filesize
4.7MB

Download
memory/776-10-0x0000000000CF0000-0x000000000119E000-memory.dmp

Filesize
4.7MB

Download
memory/776-16-0x0000000006F60000-0x000000000740E000-memory.dmp

Filesize
4.7MB

Download
memory/776-2-0x0000000000CF1000-0x0000000000D1F000-memory.dmp

Filesize
184KB

Download
memory/776-15-0x0000000000CF0000-0x000000000119E000-memory.dmp

Filesize
4.7MB

Download
memory/776-1-0x0000000077750000-0x0000000077752000-memory.dmp

Filesize
8KB

Download
memory/776-0-0x0000000000CF0000-0x000000000119E000-memory.dmp

Filesize
4.7MB

Download
memory/1196-41-0x0000000000A40000-0x00000000010DF000-memory.dmp

Filesize
6.6MB

Download
memory/1196-64-0x0000000000A40000-0x00000000010DF000-memory.dmp

Filesize
6.6MB

Download
memory/1728-65-0x0000000000F50000-0x00000000015EF000-memory.dmp

Filesize
6.6MB

Download
memory/1728-62-0x0000000000F50000-0x00000000015EF000-memory.dmp

Filesize
6.6MB

Download
memory/2724-59-0x0000000006810000-0x0000000006EAF000-memory.dmp

Filesize
6.6MB

Download
memory/2724-83-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-57-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-61-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-60-0x0000000006810000-0x0000000006EAF000-memory.dmp

Filesize
6.6MB

Download
memory/2724-40-0x0000000006810000-0x0000000006EAF000-memory.dmp

Filesize
6.6MB

Download
memory/2724-22-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-21-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-19-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-18-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-80-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-81-0x0000000006810000-0x0000000006EAF000-memory.dmp

Filesize
6.6MB

Download
memory/2724-82-0x0000000006810000-0x0000000006EAF000-memory.dmp

Filesize
6.6MB

Download
memory/2724-39-0x0000000006810000-0x0000000006EAF000-memory.dmp

Filesize
6.6MB

Download
memory/2724-84-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-85-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-86-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-87-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-88-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-89-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-90-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-91-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-92-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-93-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-94-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download
memory/2724-95-0x0000000000B80000-0x000000000102E000-memory.dmp

Filesize
4.7MB

Download