amadey | 03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e

Analysis

max time kernel
140s
max time network
132s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-06-2024 01:00

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General

Target

03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe
Size

2.4MB
MD5

773e8af03da6e64f25166e7df67d71fe
SHA1

db43e8714ce1c8d496e0eef1f9f61fafa5dfa0ad
SHA256

03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e
SHA512

70bb1a7bf085b4373d06db5f1fe8acd011d5fac4d0c3f631b2d2ec7ba355cd05127b21eab290de500c09326674948a8b788eb49eb1ce21d1f58e53c3f22fafe6
SSDEEP

49152:InkYmh7/egM/WXtzFAmlR0yIwsMa720naH3QqN2zw0XTUzQaQo6Az99ZP:InkvZmgCeM8KTN60aH3QqN2z5XUQawAB

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 2 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

BFIDGHDBAF.exeexplorti.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ BFIDGHDBAF.exe
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe
Downloads MZ/PE file

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

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

BFIDGHDBAF.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	BFIDGHDBAF.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	BFIDGHDBAF.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 3 IoCs

Processes:

BFIDGHDBAF.exeexplorti.exef3007c50d7.exe

pid process

2776 BFIDGHDBAF.exe
1316 explorti.exe
1488 f3007c50d7.exe

pid	process
2776	BFIDGHDBAF.exe
1316	explorti.exe
1488	f3007c50d7.exe

Identifies Wine through registry keys 2 TTPs 2 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:

BFIDGHDBAF.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Wine	BFIDGHDBAF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Wine	explorti.exe

Loads dropped DLL 6 IoCs

Processes:

03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.execmd.exeBFIDGHDBAF.exeexplorti.exe

pid	process
2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe
2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe
2908	cmd.exe
2776	BFIDGHDBAF.exe
1316	explorti.exe
1316	explorti.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 5 IoCs

Processes:

03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exeBFIDGHDBAF.exeexplorti.exef3007c50d7.exe

pid	process
2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe
2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe
2776	BFIDGHDBAF.exe
1316	explorti.exe
1488	f3007c50d7.exe

Drops file in Windows directory 1 IoCs

Processes:

BFIDGHDBAF.exe

description ioc process

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

03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exeBFIDGHDBAF.exeexplorti.exe

pid process

2868 03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe
2868 03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe
2776 BFIDGHDBAF.exe
1316 explorti.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

BFIDGHDBAF.exe

pid process

2776 BFIDGHDBAF.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exef3007c50d7.exe

pid process

2868 03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe
1488 f3007c50d7.exe

pid	process
2776	BFIDGHDBAF.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.execmd.exeBFIDGHDBAF.exeexplorti.exe

description	pid	process	target process
PID 2868 wrote to memory of 2908	2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe	cmd.exe
PID 2868 wrote to memory of 2908	2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe	cmd.exe
PID 2868 wrote to memory of 2908	2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe	cmd.exe
PID 2868 wrote to memory of 2908	2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe	cmd.exe
PID 2868 wrote to memory of 2104	2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe	cmd.exe
PID 2868 wrote to memory of 2104	2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe	cmd.exe
PID 2868 wrote to memory of 2104	2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe	cmd.exe
PID 2868 wrote to memory of 2104	2868	03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe	cmd.exe
PID 2908 wrote to memory of 2776	2908	cmd.exe	BFIDGHDBAF.exe
PID 2908 wrote to memory of 2776	2908	cmd.exe	BFIDGHDBAF.exe
PID 2908 wrote to memory of 2776	2908	cmd.exe	BFIDGHDBAF.exe
PID 2908 wrote to memory of 2776	2908	cmd.exe	BFIDGHDBAF.exe
PID 2776 wrote to memory of 1316	2776	BFIDGHDBAF.exe	explorti.exe
PID 2776 wrote to memory of 1316	2776	BFIDGHDBAF.exe	explorti.exe
PID 2776 wrote to memory of 1316	2776	BFIDGHDBAF.exe	explorti.exe
PID 2776 wrote to memory of 1316	2776	BFIDGHDBAF.exe	explorti.exe
PID 1316 wrote to memory of 1488	1316	explorti.exe	f3007c50d7.exe
PID 1316 wrote to memory of 1488	1316	explorti.exe	f3007c50d7.exe
PID 1316 wrote to memory of 1488	1316	explorti.exe	f3007c50d7.exe
PID 1316 wrote to memory of 1488	1316	explorti.exe	f3007c50d7.exe

C:\Users\Admin\AppData\Local\Temp\03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.exe
"C:\Users\Admin\AppData\Local\Temp\03b6b9b10aad113cb8e9bd43d0ed189dde70170e6141aa2bd3cbec5644e7553e.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:2868

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BFIDGHDBAF.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2908

C:\Users\Admin\AppData\Local\Temp\BFIDGHDBAF.exe
"C:\Users\Admin\AppData\Local\Temp\BFIDGHDBAF.exe"
3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2776

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
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1316

C:\Users\Admin\AppData\Local\Temp\1000006001\f3007c50d7.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\f3007c50d7.exe"
5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:1488

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BAKFCBFHJD.exe"
2⤵
PID:2104

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1000006001\f3007c50d7.exe
Filesize
2.4MB

MD5
e5fc8a0a4d3171c1dcb1c8cc4eab7b38

SHA1
7517cd99e041c892e15ace4f8a5e22819aa4366f

SHA256
004c36d5a75d96cd6d275a135222353869f30bf7e12e8f6f7f93e3f6ed572493

SHA512
8c21377737312afdafc5b82fcf06461f11cc9e0cc624f2a66ecc63969766569c266ba15236f9aa2056e2d3fc603718b474cd033f46e0d3a8e45825092404c71c

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

MD5
cf55f6d5a7dbbac372de49c773fc3236

SHA1
750ca705f2cf93d5d425842a07c7fa5aa4eb4a99

SHA256
2672cd99d53c545d9c2c257ccde3ecdef8b20b18045006720a375e6277fad55e

SHA512
0baf9ed28c6079e78ede361597518be31acdc34a868216f854e00b132ab2af7ddf2ed0abdab7c7560706fe73d3b4af6af10240e2ac905cd0524091721d510901

Download Submit
\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/1316-117-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-138-0x0000000006DE0000-0x00000000079DA000-memory.dmp

Filesize
12.0MB

Download
memory/1316-155-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-157-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-154-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-153-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-149-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-152-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-158-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-156-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-137-0x0000000006DE0000-0x00000000079DA000-memory.dmp

Filesize
12.0MB

Download
memory/1316-151-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-150-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-144-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-145-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-146-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1316-147-0x0000000006DE0000-0x00000000079DA000-memory.dmp

Filesize
12.0MB

Download
memory/1316-148-0x0000000000140000-0x00000000005E9000-memory.dmp

Filesize
4.7MB

Download
memory/1488-143-0x0000000000090000-0x0000000000C8A000-memory.dmp

Filesize
12.0MB

Download
memory/1488-140-0x0000000000090000-0x0000000000C8A000-memory.dmp

Filesize
12.0MB

Download
memory/2776-114-0x0000000006F20000-0x00000000073C9000-memory.dmp

Filesize
4.7MB

Download
memory/2776-116-0x00000000002B0000-0x0000000000759000-memory.dmp

Filesize
4.7MB

Download
memory/2776-80-0x00000000002B0000-0x0000000000759000-memory.dmp

Filesize
4.7MB

Download
memory/2868-0-0x0000000000C40000-0x000000000180F000-memory.dmp

Filesize
11.8MB

Download
memory/2868-64-0x0000000000C40000-0x000000000180F000-memory.dmp

Filesize
11.8MB

Download
memory/2868-65-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download
memory/2868-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2868-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

Filesize
3.8MB

Download