amadey | 06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 16:37

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General

Target

06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
Size

2.4MB
MD5

788896b0b3e5bb5824228dc037fec7bb
SHA1

1c6fe7c59e037058bd713930e87178cd6113d8e6
SHA256

06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698
SHA512

bc4e141b824ede98741353a422c9b77deb710a170ed09d94ae327ee91f693ff7a4e53ffaeabd532459cceaf3c4a22d6f8f506b7fb451787faa4100e948e1009a
SSDEEP

49152:Y2DOK707A18y1aomKaP6Hxc7BnRXroRrgEF034Fhve7J2Oe1udw/0wt:5VXXmKac+9rEF84FtgIOe1ww/0G

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:

explorti.exeexplorti.exeexplorti.exeFIIEGDBAEB.exe

description	ioc	process
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
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	FIIEGDBAEB.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.exeexplorti.exeFIIEGDBAEB.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	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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	FIIEGDBAEB.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	FIIEGDBAEB.exe

Executes dropped EXE 5 IoCs

Processes:

FIIEGDBAEB.exeexplorti.exe77cc216fce.exeexplorti.exeexplorti.exe

pid process

2668 FIIEGDBAEB.exe
436 explorti.exe
4216 77cc216fce.exe
3084 explorti.exe
2284 explorti.exe

pid	process
2668	FIIEGDBAEB.exe
436	explorti.exe
4216	77cc216fce.exe
3084	explorti.exe
2284	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:

FIIEGDBAEB.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	FIIEGDBAEB.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

Processes:

06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe

pid process

2224 06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
2224 06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.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

Processes:

06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exeFIIEGDBAEB.exeexplorti.exe77cc216fce.exeexplorti.exeexplorti.exe

pid	process
2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
2668	FIIEGDBAEB.exe
436	explorti.exe
4216	77cc216fce.exe
3084	explorti.exe
2284	explorti.exe

Drops file in Windows directory 1 IoCs

Processes:

FIIEGDBAEB.exe

description ioc process

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

06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exeFIIEGDBAEB.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
2668	FIIEGDBAEB.exe
2668	FIIEGDBAEB.exe
436	explorti.exe
436	explorti.exe
3084	explorti.exe
3084	explorti.exe
2284	explorti.exe
2284	explorti.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.execmd.exe77cc216fce.exe

pid process

2224 06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
3056 cmd.exe
4216 77cc216fce.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.execmd.exeFIIEGDBAEB.exeexplorti.exe

description	pid	process	target process
PID 2224 wrote to memory of 4908	2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe	cmd.exe
PID 2224 wrote to memory of 4908	2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe	cmd.exe
PID 2224 wrote to memory of 4908	2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe	cmd.exe
PID 2224 wrote to memory of 3056	2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe	cmd.exe
PID 2224 wrote to memory of 3056	2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe	cmd.exe
PID 2224 wrote to memory of 3056	2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe	cmd.exe
PID 4908 wrote to memory of 2668	4908	cmd.exe	FIIEGDBAEB.exe
PID 4908 wrote to memory of 2668	4908	cmd.exe	FIIEGDBAEB.exe
PID 4908 wrote to memory of 2668	4908	cmd.exe	FIIEGDBAEB.exe
PID 2668 wrote to memory of 436	2668	FIIEGDBAEB.exe	explorti.exe
PID 2668 wrote to memory of 436	2668	FIIEGDBAEB.exe	explorti.exe
PID 2668 wrote to memory of 436	2668	FIIEGDBAEB.exe	explorti.exe
PID 436 wrote to memory of 4216	436	explorti.exe	77cc216fce.exe
PID 436 wrote to memory of 4216	436	explorti.exe	77cc216fce.exe
PID 436 wrote to memory of 4216	436	explorti.exe	77cc216fce.exe

C:\Users\Admin\AppData\Local\Temp\06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
"C:\Users\Admin\AppData\Local\Temp\06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.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:2224

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FIIEGDBAEB.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4908

C:\Users\Admin\AppData\Local\Temp\FIIEGDBAEB.exe
"C:\Users\Admin\AppData\Local\Temp\FIIEGDBAEB.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:2668

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
- Suspicious use of WriteProcessMemory
PID:436

C:\Users\Admin\AppData\Local\Temp\1000006001\77cc216fce.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\77cc216fce.exe"
5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:4216

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KEGDAKEHJD.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:3056

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:3084

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:2284

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\1000006001\77cc216fce.exe
Filesize
2.4MB

MD5
102aa72dbd8fd873b3ac34eb95563b03

SHA1
6117b69f7aa1fecf3e01be7ae3716080f4e0c861

SHA256
bfa7a505e80c6729f6c3259f5a17fd32a3c48a54c49330fd21adda4bf7a93238

SHA512
b117022a0da5ae0f0873a13e6f63bed840da8258e5839bffdd2be9e5a465edf7f412e95e9ee62dc052c9ee25a08007e1414ab9e6f4ce5590f747974cc5d76714

Download Submit
C:\Users\Admin\AppData\Local\Temp\FIIEGDBAEB.exe
Filesize
1.8MB

MD5
e8d0840abf6e4db1b173ffcb6763abba

SHA1
7b732458e5e67f9a803b2904491b65a5dded367c

SHA256
95976a1544d43883616af17fd8ef5f70c20b0a6600cf98e192fdbd3342a644b4

SHA512
8626c18292e67260fc9b88ab9ed389a9026ab837bb3c56b2fbe1b7d8e0e0fd01651156c8d14b819f3d733ddb8a2ce86ccb8e2645c0167e1c0c04a098fa07f42f

Download Submit
memory/436-112-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-126-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-130-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-129-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-128-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-94-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-127-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-117-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-122-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-121-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-120-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-113-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-119-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/436-118-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/2224-1-0x000000007F240000-0x000000007F611000-memory.dmp

Filesize
3.8MB

Download
memory/2224-0-0x00000000002D0000-0x0000000000EBD000-memory.dmp

Filesize
11.9MB

Download
memory/2224-76-0x00000000002D0000-0x0000000000EBD000-memory.dmp

Filesize
11.9MB

Download
memory/2224-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2224-77-0x000000007F240000-0x000000007F611000-memory.dmp

Filesize
3.8MB

Download
memory/2284-124-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/2284-125-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/2668-92-0x00000000000F0000-0x00000000005AD000-memory.dmp

Filesize
4.7MB

Download
memory/2668-81-0x00000000000F0000-0x00000000005AD000-memory.dmp

Filesize
4.7MB

Download
memory/3084-116-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/3084-115-0x0000000000420000-0x00000000008DD000-memory.dmp

Filesize
4.7MB

Download
memory/4216-111-0x0000000000A90000-0x000000000168C000-memory.dmp

Filesize
12.0MB

Download
memory/4216-110-0x0000000000A90000-0x000000000168C000-memory.dmp

Filesize
12.0MB

Download

pid	process
2224	06902e21f593ee1506894387489dcd78adc3cf9176bc1640d7ce5fec98157698.exe
3056	cmd.exe
4216	77cc216fce.exe