amadey | e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4

Analysis

max time kernel
141s
max time network
125s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
26-06-2024 00:26

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General

Target

e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe
Size

2.4MB
MD5

e3cbb274e66e95a1b7ee5c05d87abbd5
SHA1

93d96f3d0b6e5d13242c88af9dc9648cbc60fd0b
SHA256

e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4
SHA512

8fe240992730512b3647140cdc14ee37a94c4b3154b787460bd1a30d99053e48d2e5fb20ac6342b0ec2a36c998d78df22d9f81ee9e49cd303ad8b6ea51757c76
SSDEEP

49152:RKDGF/PBHX6rO5BbkxcCEPYYgFxCD57RxIxBbAVHPEQgVMoyPDK:RKqF/PlX6r0lk74YZFxgnxIDbGbgVMou

Score

10^/10

amadey stealc 0e6740 default discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

stealc

Botnet

default

http://85.28.47.4

Attributes

url_path
/920475a59bac849d.php

Extracted

Family

amadey

Version

4.21

Botnet

0e6740

http://147.45.47.155

Attributes

install_dir
9217037dc9
install_file
explortu.exe
strings_key
8e894a8a4a3d0da8924003a561cfb244
url_paths
/ku4Nor9/index.php

rc4.plain

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__	HDAFBAEBKJ.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.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	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	HDAFBAEBKJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	HDAFBAEBKJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe

Executes dropped EXE 4 IoCs

pid	Process
2888	HDAFBAEBKJ.exe
1360	explortu.exe
2060	explortu.exe
5016	explortu.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-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine	HDAFBAEBKJ.exe

Loads dropped DLL 2 IoCs

pid	Process
4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe
4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe
4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe
2888	HDAFBAEBKJ.exe
1360	explortu.exe
2060	explortu.exe
5016	explortu.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explortu.job	HDAFBAEBKJ.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe
4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe
4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe
4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe
2888	HDAFBAEBKJ.exe
2888	HDAFBAEBKJ.exe
1360	explortu.exe
1360	explortu.exe
2060	explortu.exe
2060	explortu.exe
5016	explortu.exe
5016	explortu.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2888	HDAFBAEBKJ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe
2408	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 2044	4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe	78
PID 4144 wrote to memory of 2044	4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe	78
PID 4144 wrote to memory of 2044	4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe	78
PID 4144 wrote to memory of 2408	4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe	80
PID 4144 wrote to memory of 2408	4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe	80
PID 4144 wrote to memory of 2408	4144	e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe	80
PID 2044 wrote to memory of 2888	2044	cmd.exe	82
PID 2044 wrote to memory of 2888	2044	cmd.exe	82
PID 2044 wrote to memory of 2888	2044	cmd.exe	82
PID 2888 wrote to memory of 1360	2888	HDAFBAEBKJ.exe	83
PID 2888 wrote to memory of 1360	2888	HDAFBAEBKJ.exe	83
PID 2888 wrote to memory of 1360	2888	HDAFBAEBKJ.exe	83

C:\Users\Admin\AppData\Local\Temp\e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe
"C:\Users\Admin\AppData\Local\Temp\e6c76393ad6b5516ed6e84adbd0687f981bf3c419e99d9c235a6948e63d383d4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4144
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HDAFBAEBKJ.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Users\Admin\AppData\Local\Temp\HDAFBAEBKJ.exe
    "C:\Users\Admin\AppData\Local\Temp\HDAFBAEBKJ.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
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2888
  - - C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
      "C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"
      4⤵
      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:1360
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IJEHIDHDAK.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2408

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:2060

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:5016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Temp\HDAFBAEBKJ.exe

Filesize
1.9MB

MD5
86135c652e52bdd4b0586d48d6b5afcc

SHA1
0bbbf9c1e7e487bc66dfb3199be578c142a6f572

SHA256
96c6e94c1053bde32fb1707f5bc8200fac47e920b5fec98bcc67cddf49dea8f2

SHA512
4861267a2289f4b846437550f137bbb7624c707510072c2efbe3265519ca9ed79a560a05b0119261076c30b353e5609d4449e6cea379054f94e8c543175b428a

Download Submit
memory/1360-97-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-106-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-114-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-113-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-109-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-94-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-108-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-95-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-96-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-107-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-98-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-99-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-105-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/1360-104-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/2060-103-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/2060-101-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/2888-93-0x0000000000270000-0x0000000000742000-memory.dmp

Filesize
4.8MB

Download
memory/2888-81-0x0000000000270000-0x0000000000742000-memory.dmp

Filesize
4.8MB

Download
memory/4144-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4144-0-0x0000000000070000-0x0000000000C67000-memory.dmp

Filesize
12.0MB

Download
memory/4144-1-0x000000007F070000-0x000000007F441000-memory.dmp

Filesize
3.8MB

Download
memory/4144-77-0x0000000000070000-0x0000000000C67000-memory.dmp

Filesize
12.0MB

Download
memory/5016-111-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download
memory/5016-112-0x0000000000CD0000-0x00000000011A2000-memory.dmp

Filesize
4.8MB

Download