amadey | 99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31

Analysis

max time kernel
141s
max time network
124s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
02-07-2024 04:03

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General

Target

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
Size

2.3MB
MD5

ebe33b40ce854edd8e39259a1b980a65
SHA1

db07d27d6ee753c4b0f60ee50c0e052a12095ca3
SHA256

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31
SHA512

62948eb0ae2c92118d6f121fee737926e31a2301ad5cc7a2a1442975113b5edae2310f98b08937cc9d9f790e9ef7af162bacdcb65996d1b090c99bbb3a18bb00
SSDEEP

49152:vj2rggBXww93BEYE5aPdlWqwjvBrIV5O3/Nz872I:vj4gCyx5aaqwb54561872

Score

10^/10

amadey stealc 4dd39d jony discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

stealc

Botnet

jony

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:

KKECBFCGIE.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	KKECBFCGIE.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.exeexplorti.exeKKECBFCGIE.exeexplorti.exe

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

Executes dropped EXE 4 IoCs

Processes:

KKECBFCGIE.exeexplorti.exeexplorti.exeexplorti.exe

pid process

4488 KKECBFCGIE.exe
540 explorti.exe
3120 explorti.exe
3008 explorti.exe

pid	process
4488	KKECBFCGIE.exe
540	explorti.exe
3120	explorti.exe
3008	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:

KKECBFCGIE.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine	KKECBFCGIE.exe
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

Processes:

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe

pid process

456 99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
456 99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.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:

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exeKKECBFCGIE.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
4488	KKECBFCGIE.exe
540	explorti.exe
3120	explorti.exe
3008	explorti.exe

Drops file in Windows directory 1 IoCs

Processes:

KKECBFCGIE.exe

description ioc process

File created C:\Windows\Tasks\explorti.job KKECBFCGIE.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	KKECBFCGIE.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:

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exeKKECBFCGIE.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
4488	KKECBFCGIE.exe
4488	KKECBFCGIE.exe
540	explorti.exe
540	explorti.exe
3120	explorti.exe
3120	explorti.exe
3008	explorti.exe
3008	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

KKECBFCGIE.exe

pid process

4488 KKECBFCGIE.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.execmd.exe

pid process

456 99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
488 cmd.exe

pid	process
4488	KKECBFCGIE.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.execmd.exeKKECBFCGIE.exe

description	pid	process	target process
PID 456 wrote to memory of 3476	456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe	cmd.exe
PID 456 wrote to memory of 3476	456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe	cmd.exe
PID 456 wrote to memory of 3476	456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe	cmd.exe
PID 456 wrote to memory of 488	456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe	cmd.exe
PID 456 wrote to memory of 488	456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe	cmd.exe
PID 456 wrote to memory of 488	456	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe	cmd.exe
PID 3476 wrote to memory of 4488	3476	cmd.exe	KKECBFCGIE.exe
PID 3476 wrote to memory of 4488	3476	cmd.exe	KKECBFCGIE.exe
PID 3476 wrote to memory of 4488	3476	cmd.exe	KKECBFCGIE.exe
PID 4488 wrote to memory of 540	4488	KKECBFCGIE.exe	explorti.exe
PID 4488 wrote to memory of 540	4488	KKECBFCGIE.exe	explorti.exe
PID 4488 wrote to memory of 540	4488	KKECBFCGIE.exe	explorti.exe

C:\Users\Admin\AppData\Local\Temp\99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
"C:\Users\Admin\AppData\Local\Temp\99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.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:456

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KKECBFCGIE.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3476

C:\Users\Admin\AppData\Local\Temp\KKECBFCGIE.exe
"C:\Users\Admin\AppData\Local\Temp\KKECBFCGIE.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:4488

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:540

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CBFIJEGIDB.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:488

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:3120

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:3008

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\KKECBFCGIE.exe
Filesize
1.8MB

MD5
e8a2757304956f639d3a51d42e11b5fb

SHA1
610c6a697abfd46d9d356158e28cf93bedd7900a

SHA256
298951481f06cbd42e4043bd731d2fa4d9fded87fb2a09d267a327ded1ba4262

SHA512
15fb9fb3d70fda2ded7a7f1fd167eb120839a9939e931ec44622ee9687ac6e851f8b34869a2a9fddb7711d607f62ba5001f3a81d05b1d22ba30234c38401fca9

Download Submit
memory/456-0-0x0000000000260000-0x0000000000E33000-memory.dmp

Filesize
11.8MB

Download
memory/456-1-0x000000007F7A0000-0x000000007FB71000-memory.dmp

Filesize
3.8MB

Download
memory/456-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/456-77-0x0000000000260000-0x0000000000E33000-memory.dmp

Filesize
11.8MB

Download
memory/456-78-0x000000007F7A0000-0x000000007FB71000-memory.dmp

Filesize
3.8MB

Download
memory/540-93-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-102-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-111-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-97-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-98-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-113-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-112-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-114-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-103-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-104-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-105-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-106-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-107-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/540-115-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/3008-109-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/3008-110-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/3120-101-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/3120-100-0x0000000000E60000-0x0000000001327000-memory.dmp

Filesize
4.8MB

Download
memory/4488-96-0x0000000000C80000-0x0000000001147000-memory.dmp

Filesize
4.8MB

Download
memory/4488-82-0x0000000000C80000-0x0000000001147000-memory.dmp

Filesize
4.8MB

Download