amadey | bdff8985e95e3288f81718f5fc484ba9d412d9822cb3106e281b76928d0b26ee

Analysis

max time kernel
98s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 16:07

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General

Target
file.exe
Size 332KB
Sample221205-tkmg5see27
SHA256 bdff8985e95e3288f81718f5fc484ba9d412d9822cb3106e281b76928d0b26ee
MD5 227869f447a0e8a8c5ad284f4c298888
SHA1 2afdbdbf5b1af92453a182745e159441076933c1
SHA512 599cae9e9bea6b131c79ea656ae9b5b399615fc5cb30a91c6b70af0cbcdf86d01f79443e002038b93e3184379523f9d14bdd9a48ae064e29ad32b4073bc56f8b
SSDEEP 6144:7eJhdhGXjUoslujdKnVAEmw/FhV4Lj/m53f02s4Oe2U:7e50XAozjd8PmwdfG4fPHLd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

3.50

31.41.244.167/v7eWcjs/index.php

Signatures

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

Detect Amadey credential stealer module 2 IoCs

resource	yara_rule
behavioral2/files/0x0001000000022e0f-149.dat	amadey_cred_module
behavioral2/files/0x0001000000022e0f-150.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
40	840	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
1636	gntuud.exe
3832	gntuud.exe
4840	gntuud.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 1 IoCs

pid	Process
840	rundll32.exe

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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
1780	2836	WerFault.exe	80
4416	3832	WerFault.exe	88
5080	4840	WerFault.exe	98

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
840	rundll32.exe
840	rundll32.exe
840	rundll32.exe
840	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 1636	2836	file.exe	81
PID 2836 wrote to memory of 1636	2836	file.exe	81
PID 2836 wrote to memory of 1636	2836	file.exe	81
PID 1636 wrote to memory of 1700	1636	gntuud.exe	84
PID 1636 wrote to memory of 1700	1636	gntuud.exe	84
PID 1636 wrote to memory of 1700	1636	gntuud.exe	84
PID 1636 wrote to memory of 840	1636	gntuud.exe	97
PID 1636 wrote to memory of 840	1636	gntuud.exe	97
PID 1636 wrote to memory of 840	1636	gntuud.exe	97

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
  "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:1700
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - outlook_win_path
    PID:840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 896
  2⤵
  - Program crash
  PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2836 -ip 2836
1⤵
PID:1480

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:3832
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3832 -s 416
  2⤵
  - Program crash
  PID:4416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3832 -ip 3832
1⤵
PID:4196

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:4840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 424
  2⤵
  - Program crash
  PID:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4840 -ip 4840
1⤵
PID:5064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 332KB
SHA256 bdff8985e95e3288f81718f5fc484ba9d412d9822cb3106e281b76928d0b26ee
MD5 227869f447a0e8a8c5ad284f4c298888
SHA1 2afdbdbf5b1af92453a182745e159441076933c1
SHA512 599cae9e9bea6b131c79ea656ae9b5b399615fc5cb30a91c6b70af0cbcdf86d01f79443e002038b93e3184379523f9d14bdd9a48ae064e29ad32b4073bc56f8b
SSDEEP 6144:7eJhdhGXjUoslujdKnVAEmw/FhV4Lj/m53f02s4Oe2U:7e50XAozjd8PmwdfG4fPHLd
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 332KB
SHA256 bdff8985e95e3288f81718f5fc484ba9d412d9822cb3106e281b76928d0b26ee
MD5 227869f447a0e8a8c5ad284f4c298888
SHA1 2afdbdbf5b1af92453a182745e159441076933c1
SHA512 599cae9e9bea6b131c79ea656ae9b5b399615fc5cb30a91c6b70af0cbcdf86d01f79443e002038b93e3184379523f9d14bdd9a48ae064e29ad32b4073bc56f8b
SSDEEP 6144:7eJhdhGXjUoslujdKnVAEmw/FhV4Lj/m53f02s4Oe2U:7e50XAozjd8PmwdfG4fPHLd
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 332KB
SHA256 bdff8985e95e3288f81718f5fc484ba9d412d9822cb3106e281b76928d0b26ee
MD5 227869f447a0e8a8c5ad284f4c298888
SHA1 2afdbdbf5b1af92453a182745e159441076933c1
SHA512 599cae9e9bea6b131c79ea656ae9b5b399615fc5cb30a91c6b70af0cbcdf86d01f79443e002038b93e3184379523f9d14bdd9a48ae064e29ad32b4073bc56f8b
SSDEEP 6144:7eJhdhGXjUoslujdKnVAEmw/FhV4Lj/m53f02s4Oe2U:7e50XAozjd8PmwdfG4fPHLd
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 332KB
SHA256 bdff8985e95e3288f81718f5fc484ba9d412d9822cb3106e281b76928d0b26ee
MD5 227869f447a0e8a8c5ad284f4c298888
SHA1 2afdbdbf5b1af92453a182745e159441076933c1
SHA512 599cae9e9bea6b131c79ea656ae9b5b399615fc5cb30a91c6b70af0cbcdf86d01f79443e002038b93e3184379523f9d14bdd9a48ae064e29ad32b4073bc56f8b
SSDEEP 6144:7eJhdhGXjUoslujdKnVAEmw/FhV4Lj/m53f02s4Oe2U:7e50XAozjd8PmwdfG4fPHLd
MD5 SHA1 SHA512 SSDEEP

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cred64.dll

Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
Size 126KB
SHA256 104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
MD5 aebf8cd9ea982decded5ee6f3777c6d7
SHA1 406e723158cd5697503d1d04839d3bc7a5051603
SHA512 f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981
SSDEEP 3072:ox7pOYzBekuOmWDWCMq6As523HeS9FAiZ87vO2rlL3Rn+9:ox7ZNhH/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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cred64.dll

Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
Size 126KB
SHA256 104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
MD5 aebf8cd9ea982decded5ee6f3777c6d7
SHA1 406e723158cd5697503d1d04839d3bc7a5051603
SHA512 f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981
SSDEEP 3072:ox7pOYzBekuOmWDWCMq6As523HeS9FAiZ87vO2rlL3Rn+9:ox7ZNhH/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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memory/1636-142-0x00000000005C8000-0x00000000005E7000-memory.dmp

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memory/1636-144-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/1636-143-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/2836-132-0x0000000000549000-0x0000000000569000-memory.dmp

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memory/2836-139-0x00000000020A0000-0x00000000020DE000-memory.dmp

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memory/2836-138-0x0000000000549000-0x0000000000569000-memory.dmp

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memory/2836-140-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/2836-134-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/2836-133-0x00000000020A0000-0x00000000020DE000-memory.dmp

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memory/3832-146-0x00000000007BC000-0x00000000007DB000-memory.dmp

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memory/3832-147-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/4840-152-0x000000000061C000-0x000000000063B000-memory.dmp

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memory/4840-153-0x0000000000400000-0x000000000047B000-memory.dmp

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