amadey | d7e528b55b2eeb6786509664a70f641f14d0c13ceec539737eef26857355536e

General

Target

nnas.ps1
Size

583KB
MD5

123cdee8a31e52577191351fae7b53ef
SHA1

e8e645d8844b9a19012238be6ab2c4149d62f1cf
SHA256

d7e528b55b2eeb6786509664a70f641f14d0c13ceec539737eef26857355536e
SHA512

3ff792ced5090f68b7d6004213a9e6c653b42bcf5f10416b3b0cccf1a31516d5e737705d9826d21c8c84f240fc34726c76c60ec5fc8994f30a8e81839bee913a
SSDEEP

12288:kl6RA0zJb58097MFZ0sjlTONreknQV8Xie/0+4NW:kYRASw90sjtONrQV984NW

Score

10^/10

amadey 1cc3fe discovery execution trojan

Malware Config

Extracted

Family

amadey

Version

4.18

Botnet

1cc3fe

C2

http://vitantgroup.com

Attributes

install_dir
431a343abc
install_file
Dctooux.exe
strings_key
5a2387e2bfef84adb686c856b4155237
url_paths
/xmlrpc.php

rc4.plain

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	av.exe

Executes dropped EXE 4 IoCs

pid	Process
1784	av.exe
4132	Dctooux.exe
1896	Dctooux.exe
4200	Dctooux.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Dctooux.job	av.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5036	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	av.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dctooux.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5036	powershell.exe
5036	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5036	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1784	av.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 1784	5036	powershell.exe	84
PID 5036 wrote to memory of 1784	5036	powershell.exe	84
PID 5036 wrote to memory of 1784	5036	powershell.exe	84
PID 1784 wrote to memory of 4132	1784	av.exe	85
PID 1784 wrote to memory of 4132	1784	av.exe	85
PID 1784 wrote to memory of 4132	1784	av.exe	85

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\nnas.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Users\Admin\AppData\Local\Temp\av.exe
  "C:\Users\Admin\AppData\Local\Temp\av.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
    "C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4132

C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
1⤵
- Executes dropped EXE
PID:1896

C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
1⤵
- Executes dropped EXE
PID:4200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\409013623608

Filesize
77KB

MD5
415864d05cb24f81a42d2cea01a8057f

SHA1
ae9a2aaa3ae86e3224da2c3afc3eefa5299776bd

SHA256
c45f980eb3613ef709b71c1b3f2050c432e504b0718efe94a2cdf0e45a6cbd22

SHA512
7ce1dbf238f497062077e46f337a15980a6c2472054bc2c3e3e6f62dfc77bdcfc71b76f5e7ea46953a3396fb3aec8fb33cd85fdbfe99e2645cf1d747200e000a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dmciljdp.jdn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\av.exe

Filesize
437KB

MD5
d317ee086ebeccf5e01e002ca6b0ead9

SHA1
48e8c5846d9c67649b3c2fb8d76aa951828dd84e

SHA256
dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c

SHA512
5fc335758f587e9f9f35309b101c16a4e2faa840013f8024f45eb33b9aa402a2877cbc07f76f389d25e2cf20607486997218de52c46364e2c89a5fa28a785032

Download Submit
C:\Users\Admin\AppData\Roaming\bfbcc7a80c10a7\cred64.dll

Filesize
4KB

MD5
6afcbc2939801ac3ffc09b238cffa22b

SHA1
8e2398d78a86a67c0f2a52e485f8c24497a2ff38

SHA256
cbde24827e318e9cc62d1473c6f1efe35380d7743ae27cc6ebcf23a636802c36

SHA512
2ae911ee214e4404634f36460ae4d56d885c70808cd180f19411a0ab8bfacdf5e42a527f32d7df05a9509931b935916a1093b8da360fb84c16b7051c945dccea

Download Submit
memory/5036-0-0x00007FFC50C43000-0x00007FFC50C45000-memory.dmp

Filesize
8KB

Download
memory/5036-10-0x000002443B550000-0x000002443B572000-memory.dmp

Filesize
136KB

Download
memory/5036-11-0x00007FFC50C40000-0x00007FFC51701000-memory.dmp

Filesize
10.8MB

Download
memory/5036-12-0x00007FFC50C40000-0x00007FFC51701000-memory.dmp

Filesize
10.8MB

Download
memory/5036-21-0x00007FFC50C40000-0x00007FFC51701000-memory.dmp

Filesize
10.8MB

Download

Analysis

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