amadey | 423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c

Analysis

max time kernel
142s
max time network
121s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
29-06-2024 15:50

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General

Target

423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe
Size

1.8MB
MD5

23b2cdb68832c1fd234a5697b3406884
SHA1

2f2d9acd6b06784675e9a9e7834cbc90b24f2a97
SHA256

423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c
SHA512

9b7db70e51ecc3f243dcee5fde606d91f84a2a89599f26c99c95957716fbb2be9494ebb9cbc3880866ca723818c8ef0d3d1edc1accc59c11a339b22e695f673c
SSDEEP

49152:HKR/NnanDBoh/fgkhCn5q6qOQb/oNuI3JwtbweQdWH2:CUlO/f5C5qFOQb/+u8SdBj

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:

JDGIECGIEB.exeexplorti.exeexplorti.exe423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	JDGIECGIEB.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__	423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.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:

explorti.exe423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exeexplorti.exeJDGIECGIEB.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	423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	JDGIECGIEB.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	423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	JDGIECGIEB.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe

Executes dropped EXE 5 IoCs

Processes:

explorti.exea7283950ef.exeJDGIECGIEB.exeexplorti.exeexplorti.exe

pid process

2264 explorti.exe
1312 a7283950ef.exe
4432 JDGIECGIEB.exe
2408 explorti.exe
4264 explorti.exe

pid	process
2264	explorti.exe
1312	a7283950ef.exe
4432	JDGIECGIEB.exe
2408	explorti.exe
4264	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:

423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exeexplorti.exeJDGIECGIEB.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine	423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.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	JDGIECGIEB.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:

a7283950ef.exe

pid process

1312 a7283950ef.exe
1312 a7283950ef.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:

423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exeexplorti.exea7283950ef.exeJDGIECGIEB.exeexplorti.exeexplorti.exe

pid process

4624 423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe
2264 explorti.exe
1312 a7283950ef.exe
1312 a7283950ef.exe
4432 JDGIECGIEB.exe
2408 explorti.exe
4264 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe

description ioc process

File created C:\Windows\Tasks\explorti.job 423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1312	a7283950ef.exe
1312	a7283950ef.exe

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.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:

a7283950ef.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	a7283950ef.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	a7283950ef.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exeexplorti.exea7283950ef.exeJDGIECGIEB.exeexplorti.exeexplorti.exe

pid	process
4624	423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe
4624	423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe
2264	explorti.exe
2264	explorti.exe
1312	a7283950ef.exe
1312	a7283950ef.exe
1312	a7283950ef.exe
1312	a7283950ef.exe
4432	JDGIECGIEB.exe
4432	JDGIECGIEB.exe
2408	explorti.exe
2408	explorti.exe
4264	explorti.exe
4264	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe

pid process

4624 423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a7283950ef.execmd.exe

pid process

1312 a7283950ef.exe
2612 cmd.exe

pid	process
1312	a7283950ef.exe
2612	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exeexplorti.exea7283950ef.execmd.exe

description	pid	process	target process
PID 4624 wrote to memory of 2264	4624	423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe	explorti.exe
PID 4624 wrote to memory of 2264	4624	423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe	explorti.exe
PID 4624 wrote to memory of 2264	4624	423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe	explorti.exe
PID 2264 wrote to memory of 1312	2264	explorti.exe	a7283950ef.exe
PID 2264 wrote to memory of 1312	2264	explorti.exe	a7283950ef.exe
PID 2264 wrote to memory of 1312	2264	explorti.exe	a7283950ef.exe
PID 1312 wrote to memory of 2432	1312	a7283950ef.exe	cmd.exe
PID 1312 wrote to memory of 2432	1312	a7283950ef.exe	cmd.exe
PID 1312 wrote to memory of 2432	1312	a7283950ef.exe	cmd.exe
PID 1312 wrote to memory of 2612	1312	a7283950ef.exe	cmd.exe
PID 1312 wrote to memory of 2612	1312	a7283950ef.exe	cmd.exe
PID 1312 wrote to memory of 2612	1312	a7283950ef.exe	cmd.exe
PID 2432 wrote to memory of 4432	2432	cmd.exe	JDGIECGIEB.exe
PID 2432 wrote to memory of 4432	2432	cmd.exe	JDGIECGIEB.exe
PID 2432 wrote to memory of 4432	2432	cmd.exe	JDGIECGIEB.exe

C:\Users\Admin\AppData\Local\Temp\423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.exe
"C:\Users\Admin\AppData\Local\Temp\423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4624

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:2264

C:\Users\Admin\AppData\Local\Temp\1000006001\a7283950ef.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\a7283950ef.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:1312

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JDGIECGIEB.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:2432

C:\Users\Admin\AppData\Local\Temp\JDGIECGIEB.exe
"C:\Users\Admin\AppData\Local\Temp\JDGIECGIEB.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:4432

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IIJJDGHJKK.exe"
4⤵
- Suspicious use of SetWindowsHookEx
PID:2612

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:2408

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:4264

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\a7283950ef.exe
Filesize
2.3MB

MD5
3b011d01740584d96b46363eeb1d4b4e

SHA1
369019873f9e25c48dc2d906fb8a8bd5c6eef1bf

SHA256
4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653

SHA512
380f6cda6343844aeb5bd0241b3b8069f2e669e514f829b2ff526cd1ebaad967c490c5beae8c140b93c6002210708d91333d2f58a19918da578486ea0af76bc2

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

MD5
23b2cdb68832c1fd234a5697b3406884

SHA1
2f2d9acd6b06784675e9a9e7834cbc90b24f2a97

SHA256
423e94f868ecd73fbb45cedaa08583f1eed460050e34f58037a0c2e52e6fa51c

SHA512
9b7db70e51ecc3f243dcee5fde606d91f84a2a89599f26c99c95957716fbb2be9494ebb9cbc3880866ca723818c8ef0d3d1edc1accc59c11a339b22e695f673c

Download Submit
memory/1312-107-0x0000000000690000-0x0000000001266000-memory.dmp

Filesize
11.8MB

Download
memory/1312-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1312-37-0x0000000000690000-0x0000000001266000-memory.dmp

Filesize
11.8MB

Download
memory/2264-114-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-127-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-20-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-21-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-135-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-18-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-134-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-133-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-132-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-131-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-108-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-19-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-126-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-125-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-115-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-116-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-117-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-118-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-124-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-123-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2264-122-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2408-121-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/2408-120-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/4264-129-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/4264-130-0x0000000000B10000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/4432-113-0x0000000000750000-0x0000000000C0E000-memory.dmp

Filesize
4.7MB

Download
memory/4432-112-0x0000000000750000-0x0000000000C0E000-memory.dmp

Filesize
4.7MB

Download
memory/4624-0-0x0000000000DC0000-0x000000000127E000-memory.dmp

Filesize
4.7MB

Download
memory/4624-1-0x0000000077766000-0x0000000077768000-memory.dmp

Filesize
8KB

Download
memory/4624-2-0x0000000000DC1000-0x0000000000DEF000-memory.dmp

Filesize
184KB

Download
memory/4624-3-0x0000000000DC0000-0x000000000127E000-memory.dmp

Filesize
4.7MB

Download
memory/4624-5-0x0000000000DC0000-0x000000000127E000-memory.dmp

Filesize
4.7MB

Download
memory/4624-17-0x0000000000DC0000-0x000000000127E000-memory.dmp

Filesize
4.7MB

Download