amadey | 328cb914418ef699e3fe3b68f13041a86e934562c90d70aec9bbaba078ab0ef2

Analysis

max time kernel
180s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 02:22

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General

Target
file.exe
Size 390KB
Sample221203-ctklgafe64
SHA256 328cb914418ef699e3fe3b68f13041a86e934562c90d70aec9bbaba078ab0ef2
MD5 7527d2ad0236c75890553e88569a4550
SHA1 e320364bb6fceb55e0ad6e9a88880197da493550
SHA512 d0d64790a81582718b22f7544b22a47386fa48594b5f64cda1cbc4d480b8750c676217302ce05ec0f6a989447a0b4e9c1b08eb416ce31bb0af24ebf7fdc31985
SSDEEP 6144:Rd3bKIK/L18SpgcRW1poHtVTOqRsOkLR5GESHuR20wntjH:RJbKT/Bpgz1qHtVq2sZBhR21nV
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/0x0007000000022e21-145.dat	amadey_cred_module
behavioral2/files/0x0007000000022e21-146.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
34	3700	rundll32.exe

Executes dropped EXE 3 IoCs

pid	Process
4928	gntuud.exe
1780	gntuud.exe
3656	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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	gntuud.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	file.exe

Loads dropped DLL 1 IoCs

pid	Process
3700	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-1-5-21-2629973501-4017243118-3254762364-1000\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
4784	480	WerFault.exe	65
2360	1780	WerFault.exe	86
1188	3656	WerFault.exe	89

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
1952	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3700	rundll32.exe
3700	rundll32.exe
3700	rundll32.exe
3700	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 480 wrote to memory of 4928	480	file.exe	79
PID 480 wrote to memory of 4928	480	file.exe	79
PID 480 wrote to memory of 4928	480	file.exe	79
PID 4928 wrote to memory of 1952	4928	gntuud.exe	83
PID 4928 wrote to memory of 1952	4928	gntuud.exe	83
PID 4928 wrote to memory of 1952	4928	gntuud.exe	83
PID 4928 wrote to memory of 3700	4928	gntuud.exe	85
PID 4928 wrote to memory of 3700	4928	gntuud.exe	85
PID 4928 wrote to memory of 3700	4928	gntuud.exe	85

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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:480
- 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:4928
- - 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:1952
- - 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:3700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 480 -s 1136
  2⤵
  - Program crash
  PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 480 -ip 480
1⤵
PID:4892

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:1780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 416
  2⤵
  - Program crash
  PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1780 -ip 1780
1⤵
PID:3552

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:3656
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 436
  2⤵
  - Program crash
  PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3656 -ip 3656
1⤵
PID:2640

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 390KB
SHA256 328cb914418ef699e3fe3b68f13041a86e934562c90d70aec9bbaba078ab0ef2
MD5 7527d2ad0236c75890553e88569a4550
SHA1 e320364bb6fceb55e0ad6e9a88880197da493550
SHA512 d0d64790a81582718b22f7544b22a47386fa48594b5f64cda1cbc4d480b8750c676217302ce05ec0f6a989447a0b4e9c1b08eb416ce31bb0af24ebf7fdc31985
SSDEEP 6144:Rd3bKIK/L18SpgcRW1poHtVTOqRsOkLR5GESHuR20wntjH:RJbKT/Bpgz1qHtVq2sZBhR21nV
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 390KB
SHA256 328cb914418ef699e3fe3b68f13041a86e934562c90d70aec9bbaba078ab0ef2
MD5 7527d2ad0236c75890553e88569a4550
SHA1 e320364bb6fceb55e0ad6e9a88880197da493550
SHA512 d0d64790a81582718b22f7544b22a47386fa48594b5f64cda1cbc4d480b8750c676217302ce05ec0f6a989447a0b4e9c1b08eb416ce31bb0af24ebf7fdc31985
SSDEEP 6144:Rd3bKIK/L18SpgcRW1poHtVTOqRsOkLR5GESHuR20wntjH:RJbKT/Bpgz1qHtVq2sZBhR21nV
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 390KB
SHA256 328cb914418ef699e3fe3b68f13041a86e934562c90d70aec9bbaba078ab0ef2
MD5 7527d2ad0236c75890553e88569a4550
SHA1 e320364bb6fceb55e0ad6e9a88880197da493550
SHA512 d0d64790a81582718b22f7544b22a47386fa48594b5f64cda1cbc4d480b8750c676217302ce05ec0f6a989447a0b4e9c1b08eb416ce31bb0af24ebf7fdc31985
SSDEEP 6144:Rd3bKIK/L18SpgcRW1poHtVTOqRsOkLR5GESHuR20wntjH:RJbKT/Bpgz1qHtVq2sZBhR21nV
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 390KB
SHA256 328cb914418ef699e3fe3b68f13041a86e934562c90d70aec9bbaba078ab0ef2
MD5 7527d2ad0236c75890553e88569a4550
SHA1 e320364bb6fceb55e0ad6e9a88880197da493550
SHA512 d0d64790a81582718b22f7544b22a47386fa48594b5f64cda1cbc4d480b8750c676217302ce05ec0f6a989447a0b4e9c1b08eb416ce31bb0af24ebf7fdc31985
SSDEEP 6144:Rd3bKIK/L18SpgcRW1poHtVTOqRsOkLR5GESHuR20wntjH:RJbKT/Bpgz1qHtVq2sZBhR21nV
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/480-132-0x00000000004C7000-0x00000000004E6000-memory.dmp

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memory/480-138-0x00000000004C7000-0x00000000004E6000-memory.dmp

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memory/480-140-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/480-134-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/480-139-0x00000000008F0000-0x000000000092E000-memory.dmp

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memory/480-133-0x00000000008F0000-0x000000000092E000-memory.dmp

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memory/1780-148-0x000000000064A000-0x0000000000669000-memory.dmp

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memory/1780-149-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/3656-151-0x00000000004BB000-0x00000000004DA000-memory.dmp

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memory/3656-152-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/4928-143-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/4928-142-0x0000000000496000-0x00000000004B5000-memory.dmp

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