amadey | 0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 00:25

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General

Target

0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
Size

2.3MB
MD5

8fa2f667ffe5c752120f557689b06e28
SHA1

e2e526d96d606a0d1f35415469c72243de47790f
SHA256

0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7
SHA512

acf6c6ac55aa0a6da3cce39ecc90bb47f9bd81dba4d241bf746614c4b7b062526d7b9a326cb92c17a2ca0fc1d8511a8c13a3ad84142eae46b72e214d53bfcf75
SSDEEP

49152:MXPKgCmELanaLLez6EFFfSUOR++hH4N8SpitYwdJaO0p7UoOj4C:MCvmY7SzHFFfAhH42tYwFoOj4

Score

10^/10

amadey stealc 4dd39d 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

4.30

Botnet

4dd39d

http://77.91.77.82

Attributes

install_dir
ad40971b6b
install_file
explorti.exe
strings_key
a434973ad22def7137dbb5e059b7081e
url_paths
/Hun4Ko/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

Processes:

KJJJKFIIIJ.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	KJJJKFIIIJ.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.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

Processes:

explorti.exeKJJJKFIIIJ.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	KJJJKFIIIJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	KJJJKFIIIJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe

Executes dropped EXE 4 IoCs

Processes:

KJJJKFIIIJ.exeexplorti.exeexplorti.exeexplorti.exe

pid process

856 KJJJKFIIIJ.exe
1404 explorti.exe
1584 explorti.exe
3064 explorti.exe

pid	process
856	KJJJKFIIIJ.exe
1404	explorti.exe
1584	explorti.exe
3064	explorti.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

Processes:

explorti.exeKJJJKFIIIJ.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	KJJJKFIIIJ.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

Processes:

0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe

pid process

4816 0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
4816 0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.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

Processes:

0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exeKJJJKFIIIJ.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
856	KJJJKFIIIJ.exe
1404	explorti.exe
1584	explorti.exe
3064	explorti.exe

Drops file in Windows directory 1 IoCs

Processes:

KJJJKFIIIJ.exe

description ioc process

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

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	KJJJKFIIIJ.exe

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

Processes:

0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exeKJJJKFIIIJ.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
856	KJJJKFIIIJ.exe
856	KJJJKFIIIJ.exe
1404	explorti.exe
1404	explorti.exe
1584	explorti.exe
1584	explorti.exe
3064	explorti.exe
3064	explorti.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.execmd.exe

pid process

4816 0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
1752 cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.execmd.exeKJJJKFIIIJ.exe

description	pid	process	target process
PID 4816 wrote to memory of 656	4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe	cmd.exe
PID 4816 wrote to memory of 656	4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe	cmd.exe
PID 4816 wrote to memory of 656	4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe	cmd.exe
PID 4816 wrote to memory of 1752	4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe	cmd.exe
PID 4816 wrote to memory of 1752	4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe	cmd.exe
PID 4816 wrote to memory of 1752	4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe	cmd.exe
PID 656 wrote to memory of 856	656	cmd.exe	KJJJKFIIIJ.exe
PID 656 wrote to memory of 856	656	cmd.exe	KJJJKFIIIJ.exe
PID 656 wrote to memory of 856	656	cmd.exe	KJJJKFIIIJ.exe
PID 856 wrote to memory of 1404	856	KJJJKFIIIJ.exe	explorti.exe
PID 856 wrote to memory of 1404	856	KJJJKFIIIJ.exe	explorti.exe
PID 856 wrote to memory of 1404	856	KJJJKFIIIJ.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
"C:\Users\Admin\AppData\Local\Temp\0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.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:4816

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KJJJKFIIIJ.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:656

C:\Users\Admin\AppData\Local\Temp\KJJJKFIIIJ.exe
"C:\Users\Admin\AppData\Local\Temp\KJJJKFIIIJ.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:856

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:1404

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KFIJJEGHDA.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1752

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:1584

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:3064

Network

MITRE ATT&CK Matrix ATT&CK v13

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\KJJJKFIIIJ.exe
Filesize
1.8MB

MD5
b9e5b8b978ff50c03583f24e857ec7dc

SHA1
a670618c99f053d73c5f8985ce30fcd7c7dd3eaf

SHA256
f7e6e1c5c266a014713994d78561cbb954e21521a66f95e957ca150c367499d0

SHA512
74cd7b6b0e094ae438698120063197d8b702936a2a0cbd3a68495d01ddd13fc73683986ac85188d8f54ff2ecdad98fbdae4be91b81f997db8be6ac3096b04cda

Download Submit
memory/856-96-0x0000000000CB0000-0x0000000001177000-memory.dmp

Filesize
4.8MB

Download
memory/856-82-0x0000000000CB0000-0x0000000001177000-memory.dmp

Filesize
4.8MB

Download
memory/1404-99-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-104-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-115-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-114-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-94-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-97-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-98-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-113-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-100-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-109-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-108-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-107-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-105-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1404-106-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1584-103-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/1584-102-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/3064-111-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/3064-112-0x0000000000550000-0x0000000000A17000-memory.dmp

Filesize
4.8MB

Download
memory/4816-78-0x0000000000FF0000-0x0000000001BCA000-memory.dmp

Filesize
11.9MB

Download
memory/4816-0-0x0000000000FF0000-0x0000000001BCA000-memory.dmp

Filesize
11.9MB

Download
memory/4816-1-0x000000007F4B0000-0x000000007F881000-memory.dmp

Filesize
3.8MB

Download
memory/4816-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download

pid	process
4816	0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7.exe
1752	cmd.exe