amadey | fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3

Analysis

max time kernel
141s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
20-04-2024 20:01

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General

Target

fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exe
Size

1.8MB
MD5

4f924d31ec92af6ef6250e7723f098e0
SHA1

f3c6119a04b8266d3b13363f5bb82c4190a5f626
SHA256

fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3
SHA512

ec27b19fff72acec46a49c6c3043c1d8ea34c8b00891656bafab46ff2ea6aad7c4a4c7aeb8f592e796106a977ef48939826512ccc6c227e7fc5eca79aa9faa63
SSDEEP

24576:Uj4nOe4ELs64tQaGkM72fJyFzdnhxln+XoTwzZfy4iwRqf1atqzfry7q0D3VB4:U8Pps6cdM72fJwhx5+nzVysmaqzjURB

Score

10^/10

amadey xehook 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

Extracted

Family

xehook

https://unotree.ru/

https://aiwhcpoaw.ru/

Signatures

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

Detect Xehook Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1200-43-0x0000000000570000-0x00000000005B8000-memory.dmp	family_xehook
behavioral2/memory/404-42-0x0000000000400000-0x000000000041C000-memory.dmp	family_xehook
behavioral2/memory/1200-44-0x0000000000570000-0x00000000005B8000-memory.dmp	family_xehook

Xehook stealer
Xehook is an infostealer written in C#.
stealer xehook

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exechrosha.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	chrosha.exe

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exerundll32.exe

flow	pid	Process
6	124	rundll32.exe
10	1276	rundll32.exe

Downloads MZ/PE file

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:

fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exechrosha.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.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 2 IoCs

Processes:

chrosha.exedirtquire.exe

pid	Process
836	chrosha.exe
1200	dirtquire.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:

fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exechrosha.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Wine	fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exe
Key opened	\REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Wine	chrosha.exe

Loads dropped DLL 3 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

pid	Process
3096	rundll32.exe
124	rundll32.exe
1276	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 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 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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
2	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exechrosha.exe

pid	Process
1872	fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exe
836	chrosha.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

dirtquire.exe

description	pid	Process	procid_target
PID 1200 set thread context of 404	1200	dirtquire.exe	83

Drops file in Windows directory 1 IoCs

Processes:

fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exe

description	ioc	Process
File created	C:\Windows\Tasks\chrosha.job	fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exechrosha.exeRegAsm.exerundll32.exepowershell.exe

pid	Process
1872	fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exe
1872	fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exe
836	chrosha.exe
836	chrosha.exe
404	RegAsm.exe
124	rundll32.exe
124	rundll32.exe
124	rundll32.exe
124	rundll32.exe
124	rundll32.exe
124	rundll32.exe
124	rundll32.exe
124	rundll32.exe
124	rundll32.exe
124	rundll32.exe
4612	powershell.exe
4612	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	404	RegAsm.exe
Token: SeDebugPrivilege	4612	powershell.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

chrosha.exedirtquire.exerundll32.exerundll32.exeRegAsm.exe

description	pid	Process	procid_target
PID 836 wrote to memory of 1200	836	chrosha.exe	81
PID 836 wrote to memory of 1200	836	chrosha.exe	81
PID 836 wrote to memory of 1200	836	chrosha.exe	81
PID 1200 wrote to memory of 404	1200	dirtquire.exe	83
PID 1200 wrote to memory of 404	1200	dirtquire.exe	83
PID 1200 wrote to memory of 404	1200	dirtquire.exe	83
PID 1200 wrote to memory of 404	1200	dirtquire.exe	83
PID 1200 wrote to memory of 404	1200	dirtquire.exe	83
PID 1200 wrote to memory of 404	1200	dirtquire.exe	83
PID 1200 wrote to memory of 404	1200	dirtquire.exe	83
PID 1200 wrote to memory of 404	1200	dirtquire.exe	83
PID 836 wrote to memory of 3096	836	chrosha.exe	85
PID 836 wrote to memory of 3096	836	chrosha.exe	85
PID 836 wrote to memory of 3096	836	chrosha.exe	85
PID 3096 wrote to memory of 124	3096	rundll32.exe	86
PID 3096 wrote to memory of 124	3096	rundll32.exe	86
PID 124 wrote to memory of 2216	124	rundll32.exe	87
PID 124 wrote to memory of 2216	124	rundll32.exe	87
PID 124 wrote to memory of 4612	124	rundll32.exe	89
PID 124 wrote to memory of 4612	124	rundll32.exe	89
PID 404 wrote to memory of 5064	404	RegAsm.exe	91
PID 404 wrote to memory of 5064	404	RegAsm.exe	91
PID 404 wrote to memory of 5064	404	RegAsm.exe	91
PID 836 wrote to memory of 1276	836	chrosha.exe	93
PID 836 wrote to memory of 1276	836	chrosha.exe	93
PID 836 wrote to memory of 1276	836	chrosha.exe	93

C:\Users\Admin\AppData\Local\Temp\fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.exe
"C:\Users\Admin\AppData\Local\Temp\fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3.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:1872

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:836
- C:\Users\Admin\AppData\Local\Temp\1000193001\dirtquire.exe
  "C:\Users\Admin\AppData\Local\Temp\1000193001\dirtquire.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1200
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:404
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Start-Process 'C:\Users\Admin\AppData\Roaming\QLNIX8KT8S.exe'"
      4⤵
      PID:5064
- 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:3096
- - 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:124
  - - C:\Windows\system32\netsh.exe
      netsh wlan show profiles
      4⤵
      PID:2216
  - - 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\018789126929_Desktop.zip' -CompressionLevel Optimal
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4612
- 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:1276

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\1000193001\dirtquire.exe

Filesize
273KB

MD5
e795115169cc800de0392d6a675d58fd

SHA1
8dd75837e360ba1cb8acf5a3d348dd020a5da482

SHA256
17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e

SHA512
5fb6543e91de175bd365462a1cc87d6772e43b0effd3757b3e408b08a4de5a004de9a85e7f1d09578fa3bc6b6486c5f5016c1b879496582dbb39b2e62e168f38

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

Filesize
1.8MB

MD5
4f924d31ec92af6ef6250e7723f098e0

SHA1
f3c6119a04b8266d3b13363f5bb82c4190a5f626

SHA256
fd991242964f1d851fc1277658d40a357c87e2032d813ec86ad3503fd40d7db3

SHA512
ec27b19fff72acec46a49c6c3043c1d8ea34c8b00891656bafab46ff2ea6aad7c4a4c7aeb8f592e796106a977ef48939826512ccc6c227e7fc5eca79aa9faa63

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ssed1i53.ilu.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/404-80-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/404-76-0x00000000732B0000-0x0000000073A61000-memory.dmp

Filesize
7.7MB

Download
memory/404-49-0x0000000006330000-0x00000000063C2000-memory.dmp

Filesize
584KB

Download
memory/404-48-0x0000000005E70000-0x0000000005ED6000-memory.dmp

Filesize
408KB

Download
memory/404-47-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/404-46-0x0000000005310000-0x00000000058B6000-memory.dmp

Filesize
5.6MB

Download
memory/404-94-0x00000000732B0000-0x0000000073A61000-memory.dmp

Filesize
7.7MB

Download
memory/404-45-0x00000000732B0000-0x0000000073A61000-memory.dmp

Filesize
7.7MB

Download
memory/404-42-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/836-18-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/836-17-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/836-21-0x0000000005910000-0x0000000005911000-memory.dmp

Filesize
4KB

Download
memory/836-22-0x00000000058B0000-0x00000000058B1000-memory.dmp

Filesize
4KB

Download
memory/836-23-0x00000000058C0000-0x00000000058C1000-memory.dmp

Filesize
4KB

Download
memory/836-24-0x0000000005940000-0x0000000005941000-memory.dmp

Filesize
4KB

Download
memory/836-25-0x0000000005930000-0x0000000005931000-memory.dmp

Filesize
4KB

Download
memory/836-19-0x00000000058E0000-0x00000000058E1000-memory.dmp

Filesize
4KB

Download
memory/836-107-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/836-112-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/836-20-0x00000000058D0000-0x00000000058D1000-memory.dmp

Filesize
4KB

Download
memory/836-91-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/836-111-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/836-110-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/836-109-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/836-108-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/836-50-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/836-52-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/836-53-0x0000000000F00000-0x00000000013B2000-memory.dmp

Filesize
4.7MB

Download
memory/1200-44-0x0000000000570000-0x00000000005B8000-memory.dmp

Filesize
288KB

Download
memory/1200-43-0x0000000000570000-0x00000000005B8000-memory.dmp

Filesize
288KB

Download
memory/1872-7-0x0000000005540000-0x0000000005541000-memory.dmp

Filesize
4KB

Download
memory/1872-3-0x0000000005570000-0x0000000005571000-memory.dmp

Filesize
4KB

Download
memory/1872-0-0x0000000000E20000-0x00000000012D2000-memory.dmp

Filesize
4.7MB

Download
memory/1872-14-0x0000000000E20000-0x00000000012D2000-memory.dmp

Filesize
4.7MB

Download
memory/1872-9-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download
memory/1872-4-0x0000000005580000-0x0000000005581000-memory.dmp

Filesize
4KB

Download
memory/1872-8-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/1872-6-0x00000000055A0000-0x00000000055A1000-memory.dmp

Filesize
4KB

Download
memory/1872-5-0x0000000005560000-0x0000000005561000-memory.dmp

Filesize
4KB

Download
memory/1872-1-0x0000000077B86000-0x0000000077B88000-memory.dmp

Filesize
8KB

Download
memory/1872-2-0x0000000000E20000-0x00000000012D2000-memory.dmp

Filesize
4.7MB

Download
memory/4612-72-0x0000021EE23C0000-0x0000021EE23E2000-memory.dmp

Filesize
136KB

Download
memory/4612-89-0x00007FFC2C840000-0x00007FFC2D302000-memory.dmp

Filesize
10.8MB

Download
memory/4612-82-0x0000021EE2650000-0x0000021EE2662000-memory.dmp

Filesize
72KB

Download
memory/4612-83-0x0000021EE23B0000-0x0000021EE23BA000-memory.dmp

Filesize
40KB

Download
memory/4612-79-0x0000021EE2210000-0x0000021EE2220000-memory.dmp

Filesize
64KB

Download
memory/4612-81-0x0000021EE2210000-0x0000021EE2220000-memory.dmp

Filesize
64KB

Download
memory/4612-78-0x0000021EE2210000-0x0000021EE2220000-memory.dmp

Filesize
64KB

Download
memory/4612-77-0x00007FFC2C840000-0x00007FFC2D302000-memory.dmp

Filesize
10.8MB

Download