amadey | 3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22

Analysis

max time kernel
147s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240704-en
resource tags

arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system
submitted
08/07/2024, 10:16

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General

Target

3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe
Size

2.4MB
MD5

372c9047c2f9bc0241a64b506054fa0a
SHA1

a3dca1dc8b61381c1fca9f6951352aa5f6a2403f
SHA256

3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22
SHA512

1ddc4dcc4e77ec0c147afe1606f50a989ae8cc8ecae67cc5fb122cf985b2aec84c4968fc2075ffeb0f666d1ca0669acef855e8e647e681a31dd1d5d70a0f13fa
SSDEEP

49152:vUlvV1PH2uIE3Hnj3d6Swz5+8gPNwvHTnUzHuC/yTkRT2VxLvgs:cp3P2xET3d6SwFUwvzCzTELYs

Score

10^/10

amadey stealc 4dd39d nice discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

stealc

Botnet

Nice

http://85.28.47.30

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 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

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__	KJDGDBFBGI.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	KJDGDBFBGI.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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\SystemBiosVersion	KJDGDBFBGI.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe

Executes dropped EXE 5 IoCs

pid	Process
2436	KJDGDBFBGI.exe
1152	explorti.exe
3768	explorti.exe
1504	explorti.exe
4216	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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1300643590-245460719-3687711119-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1300643590-245460719-3687711119-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1300643590-245460719-3687711119-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1300643590-245460719-3687711119-1000\Software\Wine	KJDGDBFBGI.exe
Key opened	\REGISTRY\USER\S-1-5-21-1300643590-245460719-3687711119-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

pid	Process
3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe
3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.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

pid	Process
3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe
2436	KJDGDBFBGI.exe
1152	explorti.exe
3768	explorti.exe
1504	explorti.exe
4216	explorti.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorti.job	KJDGDBFBGI.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe
3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe
3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe
3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe
2436	KJDGDBFBGI.exe
2436	KJDGDBFBGI.exe
1152	explorti.exe
1152	explorti.exe
3768	explorti.exe
3768	explorti.exe
1504	explorti.exe
1504	explorti.exe
4216	explorti.exe
4216	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2436	KJDGDBFBGI.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe
2828	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3776 wrote to memory of 2052	3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe	81
PID 3776 wrote to memory of 2052	3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe	81
PID 3776 wrote to memory of 2052	3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe	81
PID 3776 wrote to memory of 2828	3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe	82
PID 3776 wrote to memory of 2828	3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe	82
PID 3776 wrote to memory of 2828	3776	3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe	82
PID 2052 wrote to memory of 2436	2052	cmd.exe	85
PID 2052 wrote to memory of 2436	2052	cmd.exe	85
PID 2052 wrote to memory of 2436	2052	cmd.exe	85
PID 2436 wrote to memory of 1152	2436	KJDGDBFBGI.exe	86
PID 2436 wrote to memory of 1152	2436	KJDGDBFBGI.exe	86
PID 2436 wrote to memory of 1152	2436	KJDGDBFBGI.exe	86

C:\Users\Admin\AppData\Local\Temp\3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe
"C:\Users\Admin\AppData\Local\Temp\3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.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:3776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KJDGDBFBGI.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Users\Admin\AppData\Local\Temp\KJDGDBFBGI.exe
    "C:\Users\Admin\AppData\Local\Temp\KJDGDBFBGI.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:2436
  - - 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:1152
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FCBAECGIEB.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2828

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:3768

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:1504

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:4216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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\KJDGDBFBGI.exe

Filesize
1.8MB

MD5
61ce43973f7cce2b561705e2c075d840

SHA1
3e4cc6785d2c26902699c3c800d40375b6ef085b

SHA256
c59694f951c18c5b6af416b45e4c94049882904eced113e2415988fa8e241f11

SHA512
bf68c402f73551fe3a3c476d392572b1fba61f52a1e3e68c83c0ba675cdbc77f127078481c7829695c1209afafb8eb9b2de909e252300a2288f96d310b25c9fe

Download Submit
memory/1152-103-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-105-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-121-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-116-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-115-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-114-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-113-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-97-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-112-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-111-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-102-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-107-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-104-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1152-106-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1504-109-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/1504-110-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/2436-96-0x0000000000020000-0x00000000004DB000-memory.dmp

Filesize
4.7MB

Download
memory/2436-83-0x0000000000020000-0x00000000004DB000-memory.dmp

Filesize
4.7MB

Download
memory/3768-101-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/3768-99-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/3776-0-0x00000000009D0000-0x00000000015CD000-memory.dmp

Filesize
12.0MB

Download
memory/3776-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3776-1-0x000000007EF30000-0x000000007F301000-memory.dmp

Filesize
3.8MB

Download
memory/3776-79-0x000000007EF30000-0x000000007F301000-memory.dmp

Filesize
3.8MB

Download
memory/3776-78-0x00000000009D0000-0x00000000015CD000-memory.dmp

Filesize
12.0MB

Download
memory/4216-118-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download
memory/4216-120-0x0000000000220000-0x00000000006DB000-memory.dmp

Filesize
4.7MB

Download