amadey | d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4

Analysis

max time kernel
143s
max time network
124s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
27/06/2024, 04:33

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General

Target
d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe
Size 2.4MB
Sample240627-e6hnravfpq
SHA256 d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4
MD5 b034eecf4642c53db4eeb735c813bc27
SHA1 d6fef1943e0ccafbad7586dc4ecb1edf6c0707b3
SHA512 68134bb53e2f1d09de06e53d397ccefbd4eef54fcee439ccfb6935fa91e595d52d4c3e325d5d2d54c0bbdf0e2a8a6264994800572bc8b468cf7e5a5d86e95c47
SSDEEP 49152:NqDOGdvl2S1drV7cMaIa/xx3VKfiZcvuk0OhR95Kj1AjHlWzOLNYPmPI:N21J1ZhusAcF3K5rzOKPmw
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__	AAKJEGCFBG.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	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	AAKJEGCFBG.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	AAKJEGCFBG.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe

Executes dropped EXE 4 IoCs

pid	Process
4568	AAKJEGCFBG.exe
856	explortu.exe
1464	explortu.exe
2736	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-1-5-21-1276817940-128734381-631578427-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-1276817940-128734381-631578427-1000\Software\Wine	AAKJEGCFBG.exe
Key opened	\REGISTRY\USER\S-1-5-21-1276817940-128734381-631578427-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-1276817940-128734381-631578427-1000\Software\Wine	explortu.exe

Loads dropped DLL 2 IoCs

pid	Process
3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe
3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.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
3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe
3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe
4568	AAKJEGCFBG.exe
856	explortu.exe
1464	explortu.exe
2736	explortu.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explortu.job	AAKJEGCFBG.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	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe
3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe
3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe
3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe
4568	AAKJEGCFBG.exe
4568	AAKJEGCFBG.exe
856	explortu.exe
856	explortu.exe
1464	explortu.exe
1464	explortu.exe
2736	explortu.exe
2736	explortu.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe
572	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 3400	3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe	82
PID 3060 wrote to memory of 3400	3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe	82
PID 3060 wrote to memory of 3400	3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe	82
PID 3060 wrote to memory of 572	3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe	83
PID 3060 wrote to memory of 572	3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe	83
PID 3060 wrote to memory of 572	3060	d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe	83
PID 3400 wrote to memory of 4568	3400	cmd.exe	86
PID 3400 wrote to memory of 4568	3400	cmd.exe	86
PID 3400 wrote to memory of 4568	3400	cmd.exe	86
PID 4568 wrote to memory of 856	4568	AAKJEGCFBG.exe	87
PID 4568 wrote to memory of 856	4568	AAKJEGCFBG.exe	87
PID 4568 wrote to memory of 856	4568	AAKJEGCFBG.exe	87

C:\Users\Admin\AppData\Local\Temp\d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.exe
"C:\Users\Admin\AppData\Local\Temp\d23cadd6e905563f0dad2ad88ce087f7418641f43106f0816f68f66ab6f1f7e4.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:3060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AAKJEGCFBG.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3400
- - C:\Users\Admin\AppData\Local\Temp\AAKJEGCFBG.exe
    "C:\Users\Admin\AppData\Local\Temp\AAKJEGCFBG.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:4568
  - - 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:856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FCFHJKJJJE.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:572

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:1464

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:2736

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

AAKJEGCFBG.exe

Path C:\Users\Admin\AppData\Local\Temp\AAKJEGCFBG.exe
Size 1.8MB
SHA256 ef80805f8c5e831f8e108516deab87eed9e359a41c40452cf5acbf45c88dd4a9
MD5 cfb92addb19e8f0e8ed0b50a6ee59519
SHA1 67e2b554c4969f6cd1b952d7255270e9d3d4fab5
SHA512 14b792286ab6aa53d5533dd9f0f84c0aefa6e8ec81efeebe62da62691906d0ca2c7e321a9d3a41058a11a1c32ea6bdabb11ad0b6cff673fda260c394dc23cb0a
SSDEEP 49152:I/AWyYrWcoWCn9akRbtlMYo3jDxp50+NPs0ru17H8Ehzd:YhirttDMnTV/Nsj7fH
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/856-101-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-110-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-116-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-115-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-114-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-109-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-108-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-97-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-98-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-99-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-100-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-107-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-106-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/856-105-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/1464-104-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/1464-103-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/2736-112-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/2736-113-0x0000000000CB0000-0x000000000116A000-memory.dmp

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memory/3060-0-0x0000000000670000-0x000000000125D000-memory.dmp

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memory/3060-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/3060-1-0x000000007F5C0000-0x000000007F991000-memory.dmp

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memory/3060-79-0x0000000000670000-0x000000000125D000-memory.dmp

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memory/3060-78-0x000000007F5C0000-0x000000007F991000-memory.dmp

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memory/4568-96-0x0000000000330000-0x00000000007EA000-memory.dmp

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memory/4568-83-0x0000000000330000-0x00000000007EA000-memory.dmp

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