amadey | 72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
19-04-2024 17:54

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General

Target

72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
Size

1.8MB
MD5

733fce8af4aa232cb80b7d61fa272764
SHA1

1bcc5b6309f5ff21b3e7d69a26d65ab318d2e760
SHA256

72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5
SHA512

8d4384aa54bce3ab173fc9b2f8146e08499c2be3520b41a5a24cdc4fbc15f37ffae6287bc4e32337a5a617942c3d70f46e70d4400718c2097e3ec8ff0db728be
SSDEEP

49152:4MtlcinxPGTqYeF1mj5OkN8Si74S82w0WR34Hm6VeWN:4MM38NUYw0aVA

Score

10^/10

amadey evasion spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

4.17

http://193.233.132.167

Attributes

install_dir
4d0ab15804
install_file
chrosha.exe
strings_key
1a9519d7b465e1f4880fa09a6162d768
url_paths
/enigma/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

chrosha.exe72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	chrosha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exerundll32.exe

flow pid process

3 1200 rundll32.exe
4 4436 rundll32.exe
Downloads MZ/PE file

flow	pid	process
3	1200	rundll32.exe
4	4436	rundll32.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:

72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exechrosha.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	chrosha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	chrosha.exe

Executes dropped EXE 1 IoCs

Processes:

chrosha.exe

pid process

4760 chrosha.exe

pid	process
4760	chrosha.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:

72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exechrosha.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Wine	72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Wine	chrosha.exe

Loads dropped DLL 3 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

pid process

400 rundll32.exe
1200 rundll32.exe
4436 rundll32.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exechrosha.exe

pid process

1728 72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
4760 chrosha.exe
Drops file in Windows directory 1 IoCs

Processes:

72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe

description ioc process

File created C:\Windows\Tasks\chrosha.job 72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
400	rundll32.exe
1200	rundll32.exe
4436	rundll32.exe

description	ioc	process
File created	C:\Windows\Tasks\chrosha.job	72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exechrosha.exerundll32.exepowershell.exe

pid	process
1728	72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
1728	72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
4760	chrosha.exe
4760	chrosha.exe
1200	rundll32.exe
1200	rundll32.exe
1200	rundll32.exe
1200	rundll32.exe
1200	rundll32.exe
1200	rundll32.exe
1200	rundll32.exe
1200	rundll32.exe
1200	rundll32.exe
1200	rundll32.exe
3520	powershell.exe
3520	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3520 powershell.exe

description	pid	process
Token: SeDebugPrivilege	3520	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

chrosha.exerundll32.exerundll32.exe

description	pid	process	target process
PID 4760 wrote to memory of 400	4760	chrosha.exe	rundll32.exe
PID 4760 wrote to memory of 400	4760	chrosha.exe	rundll32.exe
PID 4760 wrote to memory of 400	4760	chrosha.exe	rundll32.exe
PID 400 wrote to memory of 1200	400	rundll32.exe	rundll32.exe
PID 400 wrote to memory of 1200	400	rundll32.exe	rundll32.exe
PID 1200 wrote to memory of 1496	1200	rundll32.exe	netsh.exe
PID 1200 wrote to memory of 1496	1200	rundll32.exe	netsh.exe
PID 1200 wrote to memory of 3520	1200	rundll32.exe	powershell.exe
PID 1200 wrote to memory of 3520	1200	rundll32.exe	powershell.exe
PID 4760 wrote to memory of 4436	4760	chrosha.exe	rundll32.exe
PID 4760 wrote to memory of 4436	4760	chrosha.exe	rundll32.exe
PID 4760 wrote to memory of 4436	4760	chrosha.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.exe
"C:\Users\Admin\AppData\Local\Temp\72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5.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
PID:1728

C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.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
- Suspicious use of WriteProcessMemory
PID:4760
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:400
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1200
  - - C:\Windows\system32\netsh.exe
      netsh wlan show profiles
      4⤵
      PID:1496
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\718508534211_Desktop.zip' -CompressionLevel Optimal
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3520
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  PID:4436

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

Credentials in Registry

T1552.002

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe

Filesize
1.8MB

MD5
733fce8af4aa232cb80b7d61fa272764

SHA1
1bcc5b6309f5ff21b3e7d69a26d65ab318d2e760

SHA256
72a9a731d6a1237c6cc4cc3dd1b4cf2e1ddfdbed917c6f822b4c33d342366fc5

SHA512
8d4384aa54bce3ab173fc9b2f8146e08499c2be3520b41a5a24cdc4fbc15f37ffae6287bc4e32337a5a617942c3d70f46e70d4400718c2097e3ec8ff0db728be

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rr12zonw.s3w.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll

Filesize
109KB

MD5
154c3f1334dd435f562672f2664fea6b

SHA1
51dd25e2ba98b8546de163b8f26e2972a90c2c79

SHA256
5f431129f97f3d56929f1e5584819e091bd6c854d7e18503074737fc6d79e33f

SHA512
1bca69bbcdb7ecd418769e9d4befc458f9f8e3cee81feb7316bb61e189e2904f4431e4cc7d291e179a5dec441b959d428d8e433f579036f763bbad6460222841

Download Submit
C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll

Filesize
1.2MB

MD5
f35b671fda2603ec30ace10946f11a90

SHA1
059ad6b06559d4db581b1879e709f32f80850872

SHA256
83e3df5bec15d5333935bea8b719a6d677e2fb3dc1cf9e18e7b82fd0438285c7

SHA512
b5fa27d08c64727cef7fdda5e68054a4359cd697df50d70d1d90da583195959a139066a6214531bbc5f20cd4f9bc1ca3e4244396547381291a6a1d2df9cf8705

Download Submit
memory/1728-10-0x0000000005720000-0x0000000005721000-memory.dmp

Filesize
4KB

Download
memory/1728-5-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/1728-6-0x0000000005700000-0x0000000005701000-memory.dmp

Filesize
4KB

Download
memory/1728-7-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

Download
memory/1728-8-0x00000000056A0000-0x00000000056A1000-memory.dmp

Filesize
4KB

Download
memory/1728-9-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/1728-3-0x00000000056C0000-0x00000000056C1000-memory.dmp

Filesize
4KB

Download
memory/1728-11-0x0000000005710000-0x0000000005711000-memory.dmp

Filesize
4KB

Download
memory/1728-16-0x0000000000C30000-0x00000000010E9000-memory.dmp

Filesize
4.7MB

Download
memory/1728-4-0x00000000056D0000-0x00000000056D1000-memory.dmp

Filesize
4KB

Download
memory/1728-0-0x0000000000C30000-0x00000000010E9000-memory.dmp

Filesize
4.7MB

Download
memory/1728-1-0x00000000770C6000-0x00000000770C8000-memory.dmp

Filesize
8KB

Download
memory/1728-2-0x0000000000C30000-0x00000000010E9000-memory.dmp

Filesize
4.7MB

Download
memory/3520-50-0x000001E6AFF00000-0x000001E6AFF22000-memory.dmp

Filesize
136KB

Download
memory/3520-55-0x000001E6B00B0000-0x000001E6B00C2000-memory.dmp

Filesize
72KB

Download
memory/3520-54-0x000001E6AFF40000-0x000001E6AFF50000-memory.dmp

Filesize
64KB

Download
memory/3520-52-0x000001E6AFF40000-0x000001E6AFF50000-memory.dmp

Filesize
64KB

Download
memory/3520-51-0x00007FFFA8370000-0x00007FFFA8E32000-memory.dmp

Filesize
10.8MB

Download
memory/3520-56-0x000001E697E70000-0x000001E697E7A000-memory.dmp

Filesize
40KB

Download
memory/3520-62-0x00007FFFA8370000-0x00007FFFA8E32000-memory.dmp

Filesize
10.8MB

Download
memory/4760-85-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-75-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-27-0x0000000004E20000-0x0000000004E21000-memory.dmp

Filesize
4KB

Download
memory/4760-23-0x0000000004E00000-0x0000000004E01000-memory.dmp

Filesize
4KB

Download
memory/4760-21-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

Filesize
4KB

Download
memory/4760-22-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

Filesize
4KB

Download
memory/4760-53-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-41-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-24-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

Filesize
4KB

Download
memory/4760-25-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

Filesize
4KB

Download
memory/4760-26-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

Filesize
4KB

Download
memory/4760-63-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-20-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-28-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-76-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-77-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-78-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-79-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-80-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-81-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-82-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-83-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-84-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-18-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download
memory/4760-86-0x0000000000FD0000-0x0000000001489000-memory.dmp

Filesize
4.7MB

Download