amadey | b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb

Analysis

max time kernel
150s
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 11:27

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General

Target

b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe
Size

1.8MB
MD5

b5cbbd92263dc9dc74c1acac1bcf6f37
SHA1

572aecbd52976eb80356d5c2fc63f283c94fa04e
SHA256

b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb
SHA512

83a36f28bb9bcdd74f8f14e00210d59c3cd430edbadd44396ebe5d801ec23b94423271b829709ff2becc5298b2b58eb7132460650509d823824c4c712636efd6
SSDEEP

49152:WWLuQR2mKy7OBBjj4fb6xSJpv5ohBLwQIpWunUg:HuQR2Ty7OPX2bs+pv5oDcDkund

Score

10^/10

amadey stealc 4dd39d default discovery evasion spyware stealer trojan

Malware Config

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

Extracted

Family

stealc

Botnet

default

http://85.28.47.4

Attributes

url_path
/920475a59bac849d.php

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 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exeexplorti.exeJJDGCGHCGH.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	JJDGCGHCGH.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 10 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exeexplorti.exeJJDGCGHCGH.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	JJDGCGHCGH.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	JJDGCGHCGH.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\VideoBiosVersion	b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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 5 IoCs

Processes:

explorti.exe1911fb15d7.exeJJDGCGHCGH.exeexplorti.exeexplorti.exe

pid process

952 explorti.exe
1464 1911fb15d7.exe
4316 JJDGCGHCGH.exe
2508 explorti.exe
4000 explorti.exe

pid	process
952	explorti.exe
1464	1911fb15d7.exe
4316	JJDGCGHCGH.exe
2508	explorti.exe
4000	explorti.exe

Identifies Wine through registry keys 2 TTPs 5 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.exeb7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exeexplorti.exeJJDGCGHCGH.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine	b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe
Key opened	\REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine	JJDGCGHCGH.exe
Key opened	\REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

Processes:

1911fb15d7.exe

pid process

1464 1911fb15d7.exe
1464 1911fb15d7.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:

b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exeexplorti.exe1911fb15d7.exeJJDGCGHCGH.exeexplorti.exeexplorti.exe

pid process

4000 b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe
952 explorti.exe
1464 1911fb15d7.exe
1464 1911fb15d7.exe
4316 JJDGCGHCGH.exe
2508 explorti.exe
4000 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe

description ioc process

File created C:\Windows\Tasks\explorti.job b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1464	1911fb15d7.exe
1464	1911fb15d7.exe

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.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:

1911fb15d7.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1911fb15d7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1911fb15d7.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exeexplorti.exe1911fb15d7.exeJJDGCGHCGH.exeexplorti.exeexplorti.exe

pid	process
4000	b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe
4000	b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe
952	explorti.exe
952	explorti.exe
1464	1911fb15d7.exe
1464	1911fb15d7.exe
1464	1911fb15d7.exe
1464	1911fb15d7.exe
4316	JJDGCGHCGH.exe
4316	JJDGCGHCGH.exe
2508	explorti.exe
2508	explorti.exe
4000	explorti.exe
4000	explorti.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1911fb15d7.execmd.exe

pid process

1464 1911fb15d7.exe
1716 cmd.exe

pid	process
1464	1911fb15d7.exe
1716	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exeexplorti.exe1911fb15d7.execmd.exe

description	pid	process	target process
PID 4000 wrote to memory of 952	4000	b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe	explorti.exe
PID 4000 wrote to memory of 952	4000	b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe	explorti.exe
PID 4000 wrote to memory of 952	4000	b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe	explorti.exe
PID 952 wrote to memory of 1464	952	explorti.exe	1911fb15d7.exe
PID 952 wrote to memory of 1464	952	explorti.exe	1911fb15d7.exe
PID 952 wrote to memory of 1464	952	explorti.exe	1911fb15d7.exe
PID 1464 wrote to memory of 4344	1464	1911fb15d7.exe	cmd.exe
PID 1464 wrote to memory of 4344	1464	1911fb15d7.exe	cmd.exe
PID 1464 wrote to memory of 4344	1464	1911fb15d7.exe	cmd.exe
PID 1464 wrote to memory of 1716	1464	1911fb15d7.exe	cmd.exe
PID 1464 wrote to memory of 1716	1464	1911fb15d7.exe	cmd.exe
PID 1464 wrote to memory of 1716	1464	1911fb15d7.exe	cmd.exe
PID 4344 wrote to memory of 4316	4344	cmd.exe	JJDGCGHCGH.exe
PID 4344 wrote to memory of 4316	4344	cmd.exe	JJDGCGHCGH.exe
PID 4344 wrote to memory of 4316	4344	cmd.exe	JJDGCGHCGH.exe

C:\Users\Admin\AppData\Local\Temp\b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe
"C:\Users\Admin\AppData\Local\Temp\b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4000

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
2⤵
- 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:952

C:\Users\Admin\AppData\Local\Temp\1000006001\1911fb15d7.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\1911fb15d7.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JJDGCGHCGH.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:4344

C:\Users\Admin\AppData\Local\Temp\JJDGCGHCGH.exe
"C:\Users\Admin\AppData\Local\Temp\JJDGCGHCGH.exe"
5⤵
- 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:4316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DAAAFBKECA.exe"
4⤵
- Suspicious use of SetWindowsHookEx
PID:1716

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:2508

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:4000

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\1911fb15d7.exe
Filesize
2.4MB

MD5
ea3e05eeb3b7ee4f1d64cb116e080348

SHA1
71e0152c02d114d9c6928aa50ba0e539e4dfb5b4

SHA256
0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf

SHA512
197a1adc8b4f22e1408644c3ab23d3a2a9fd2b435ec3d32f923841cf475c58b9f5c4e2b77decfb19fabb8a2f2173cec15db46afcc8ca6e46186a03059d11ebbb

Download Submit
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
Filesize
1.8MB

MD5
b5cbbd92263dc9dc74c1acac1bcf6f37

SHA1
572aecbd52976eb80356d5c2fc63f283c94fa04e

SHA256
b7f1ebb26562bf0e83eea403423003b014b4c4c1f34114c0ead31e7b72c4deeb

SHA512
83a36f28bb9bcdd74f8f14e00210d59c3cd430edbadd44396ebe5d801ec23b94423271b829709ff2becc5298b2b58eb7132460650509d823824c4c712636efd6

Download Submit
memory/952-127-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-134-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-18-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-128-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-19-0x00000000000A1000-0x00000000000CF000-memory.dmp

Filesize
184KB

Download
memory/952-20-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-21-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-133-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-125-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-120-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-80-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-129-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-135-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-119-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-124-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-126-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-115-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-116-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-117-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/952-118-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/1464-108-0x0000000000910000-0x000000000150A000-memory.dmp

Filesize
12.0MB

Download
memory/1464-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1464-37-0x0000000000910000-0x000000000150A000-memory.dmp

Filesize
12.0MB

Download
memory/2508-123-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/2508-122-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/4000-0-0x0000000000BD0000-0x0000000001090000-memory.dmp

Filesize
4.8MB

Download
memory/4000-17-0x0000000000BD0000-0x0000000001090000-memory.dmp

Filesize
4.8MB

Download
memory/4000-4-0x0000000000BD0000-0x0000000001090000-memory.dmp

Filesize
4.8MB

Download
memory/4000-131-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/4000-132-0x00000000000A0000-0x0000000000560000-memory.dmp

Filesize
4.8MB

Download
memory/4000-3-0x0000000000BD0000-0x0000000001090000-memory.dmp

Filesize
4.8MB

Download
memory/4000-2-0x0000000000BD1000-0x0000000000BFF000-memory.dmp

Filesize
184KB

Download
memory/4000-1-0x0000000076F26000-0x0000000076F28000-memory.dmp

Filesize
8KB

Download
memory/4316-114-0x0000000000C70000-0x0000000001130000-memory.dmp

Filesize
4.8MB

Download
memory/4316-112-0x0000000000C70000-0x0000000001130000-memory.dmp

Filesize
4.8MB

Download