amadey | d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc

Analysis

max time kernel
147s
max time network
129s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
27/06/2024, 00:30

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General

Target
d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
Size 2.4MB
Sample240627-atghpssfkd
SHA256 d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc
MD5 278754c8f6050d4bbf4d9a243f048429
SHA1 7f5fea45aece28601ef66caa6d2174cd1657d60e
SHA512 2c8d0f35449a0cd9af2658a8880a71381a117ffe1f5b654e73a5726e638e753304cd894641d5b6d0f31ba2505e71b906498d484cc6d7aaa7c1286dccfb150fdb
SSDEEP 49152:hVaSO67RllElwjXU925M3LrYr5V/iGfxuopt0w8olALw1U+3O:DK6llpMgM3LUrHf56Rol4CU
MD5 SHA1 SHA512 SSDEEP

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

Executes dropped EXE 5 IoCs

pid	Process
384	EBAAFCAFCB.exe
2912	explortu.exe
1404	83f3a79344.exe
3136	explortu.exe
4108	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-1-5-21-3107365284-1576850094-161165143-1000\Software\Wine	EBAAFCAFCB.exe
Key opened	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Wine	explortu.exe

Loads dropped DLL 2 IoCs

pid	Process
4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.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 7 IoCs

pid	Process
4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
384	EBAAFCAFCB.exe
2912	explortu.exe
1404	83f3a79344.exe
1404	83f3a79344.exe
3136	explortu.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explortu.job	EBAAFCAFCB.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	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
384	EBAAFCAFCB.exe
384	EBAAFCAFCB.exe
2912	explortu.exe
2912	explortu.exe
3136	explortu.exe
3136	explortu.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
3676	cmd.exe
1404	83f3a79344.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 2840	4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe	78
PID 4904 wrote to memory of 2840	4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe	78
PID 4904 wrote to memory of 2840	4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe	78
PID 4904 wrote to memory of 3676	4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe	79
PID 4904 wrote to memory of 3676	4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe	79
PID 4904 wrote to memory of 3676	4904	d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe	79
PID 2840 wrote to memory of 384	2840	cmd.exe	82
PID 2840 wrote to memory of 384	2840	cmd.exe	82
PID 2840 wrote to memory of 384	2840	cmd.exe	82
PID 384 wrote to memory of 2912	384	EBAAFCAFCB.exe	83
PID 384 wrote to memory of 2912	384	EBAAFCAFCB.exe	83
PID 384 wrote to memory of 2912	384	EBAAFCAFCB.exe	83
PID 2912 wrote to memory of 1404	2912	explortu.exe	84
PID 2912 wrote to memory of 1404	2912	explortu.exe	84
PID 2912 wrote to memory of 1404	2912	explortu.exe	84

C:\Users\Admin\AppData\Local\Temp\d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
"C:\Users\Admin\AppData\Local\Temp\d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.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:4904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EBAAFCAFCB.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Users\Admin\AppData\Local\Temp\EBAAFCAFCB.exe
    "C:\Users\Admin\AppData\Local\Temp\EBAAFCAFCB.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 WriteProcessMemory
    PID:384
  - - 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
      Suspicious use of WriteProcessMemory
      PID:2912
    - - C:\Users\Admin\AppData\Local\Temp\1000022001\83f3a79344.exe
        
        "C:\Users\Admin\AppData\Local\Temp\1000022001\83f3a79344.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious use of SetWindowsHookEx
        
        PID:1404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GIJECGDGCB.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3676

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:3136

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
PID:4108

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

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Downloads

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

Submit Download

nss3.dll

Path C:\ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

Submit Download

83f3a79344.exe

Path C:\Users\Admin\AppData\Local\Temp\1000022001\83f3a79344.exe
Size 2.4MB
SHA256 41b8f4fd07bd4f621ae4728f71593c5b0eba8a77d4b68ac70d000aa47ec4f04a
MD5 6143c01c467d1d274fd1342424919848
SHA1 dfb4694623056797ee5fae8fcbfd28e4efc3769a
SHA512 016ad6467615ef9b781c4e467987eabfbd11e4ca4ed491cbe2f63932c4e79bb5bdcdfd2bc7cc33d647f79ad0b9931e98d11564be675fd934abf9daa2db3d81ca
SSDEEP 49152:FKLlF9JA+W3FPZT0jF78xfVSLjfnlPCS875HfGyXNerr:KlFYHFPajF78NV+jfnl6DjQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

EBAAFCAFCB.exe

Path C:\Users\Admin\AppData\Local\Temp\EBAAFCAFCB.exe
Size 1.8MB
SHA256 0d4edb6249c42c32fa9d2c25975a16d781ea84a560be216eb458c095a6ea09e5
MD5 40d4294f95099e3805f36b08540fc6cf
SHA1 e83995d410efff69577fa7282bc25951cc376920
SHA512 f3220b5bb349837a6326dc36b81c1f8dd1a940102532e5130cfe4f565bdb79dc142f1e4c86376252e5f7d1127bc6635485b7ee79f054586d578fbbe244c208db
SSDEEP 49152:0IlUpzFExzQNapzzrHbNfOaRhKhcrK6k4nlW:0Iq5EmE3HNfO36rK6f
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/384-95-0x0000000000120000-0x00000000005EC000-memory.dmp

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memory/384-82-0x0000000000120000-0x00000000005EC000-memory.dmp

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memory/1404-113-0x0000000000960000-0x0000000001550000-memory.dmp

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memory/1404-112-0x0000000000960000-0x0000000001550000-memory.dmp

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memory/2912-115-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-114-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-96-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-132-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-131-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-130-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-129-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-122-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-125-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-116-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-124-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-123-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-120-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/2912-121-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/3136-119-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/3136-118-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/4108-127-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/4108-128-0x0000000000380000-0x000000000084C000-memory.dmp

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memory/4904-77-0x00000000004F0000-0x00000000010D7000-memory.dmp

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memory/4904-1-0x000000007EC00000-0x000000007EFD1000-memory.dmp

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memory/4904-0-0x00000000004F0000-0x00000000010D7000-memory.dmp

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memory/4904-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/4904-74-0x00000000004F0000-0x00000000010D7000-memory.dmp

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memory/4904-78-0x000000007EC00000-0x000000007EFD1000-memory.dmp

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