amadey | ef31afd84b1a702d9d584cd83b29ba06fb6cbc7d5778c3b0312affc4ef63eac5

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 09:32

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General

Target
file.exe
Size 260KB
Sample221205-lhmfcsfd63
SHA256 ef31afd84b1a702d9d584cd83b29ba06fb6cbc7d5778c3b0312affc4ef63eac5
MD5 703cd90aa2aefb79fd3c8ce801664c9c
SHA1 883bb52c063c98c6dc5c2b9c2c87def17cf59e79
SHA512 7180a87e19b7d7f5025b7881079b25a38581e6292556e824be4faaa01fba696ee3260d0fc5b9273c6b411717c02b25dc0e87bd01fe66a048ae7fb63d2b74881c
SSDEEP 3072:TIyC66P/mSM60I5Dym/2etViSoV5AdXkkZVb0ugnAO+7QNRhTDw02rwjXeR41:e2S1JrjtViLIdXkqpgU0y02s724
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/0x0009000000022ddf-145.dat	amadey_cred_module
behavioral2/files/0x0009000000022ddf-146.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
28	1996	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2976	gntuud.exe
1860	gntuud.exe
3032	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	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 1 IoCs

pid	Process
1996	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
4412	4500	WerFault.exe	78
936	1860	WerFault.exe	87
1300	3032	WerFault.exe	90

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
4744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1996	rundll32.exe
1996	rundll32.exe
1996	rundll32.exe
1996	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 2976	4500	file.exe	79
PID 4500 wrote to memory of 2976	4500	file.exe	79
PID 4500 wrote to memory of 2976	4500	file.exe	79
PID 2976 wrote to memory of 4744	2976	gntuud.exe	83
PID 2976 wrote to memory of 4744	2976	gntuud.exe	83
PID 2976 wrote to memory of 4744	2976	gntuud.exe	83
PID 2976 wrote to memory of 1996	2976	gntuud.exe	86
PID 2976 wrote to memory of 1996	2976	gntuud.exe	86
PID 2976 wrote to memory of 1996	2976	gntuud.exe	86

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:4500
- 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:2976
- - 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:4744
- - 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:1996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 1136
  2⤵
  - Program crash
  PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4500 -ip 4500
1⤵
PID:2084

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:1860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 416
  2⤵
  - Program crash
  PID:936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1860 -ip 1860
1⤵
PID:2016

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:3032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 424
  2⤵
  - Program crash
  PID:1300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3032 -ip 3032
1⤵
PID:2320

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 260KB
SHA256 ef31afd84b1a702d9d584cd83b29ba06fb6cbc7d5778c3b0312affc4ef63eac5
MD5 703cd90aa2aefb79fd3c8ce801664c9c
SHA1 883bb52c063c98c6dc5c2b9c2c87def17cf59e79
SHA512 7180a87e19b7d7f5025b7881079b25a38581e6292556e824be4faaa01fba696ee3260d0fc5b9273c6b411717c02b25dc0e87bd01fe66a048ae7fb63d2b74881c
SSDEEP 3072:TIyC66P/mSM60I5Dym/2etViSoV5AdXkkZVb0ugnAO+7QNRhTDw02rwjXeR41:e2S1JrjtViLIdXkqpgU0y02s724
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 260KB
SHA256 ef31afd84b1a702d9d584cd83b29ba06fb6cbc7d5778c3b0312affc4ef63eac5
MD5 703cd90aa2aefb79fd3c8ce801664c9c
SHA1 883bb52c063c98c6dc5c2b9c2c87def17cf59e79
SHA512 7180a87e19b7d7f5025b7881079b25a38581e6292556e824be4faaa01fba696ee3260d0fc5b9273c6b411717c02b25dc0e87bd01fe66a048ae7fb63d2b74881c
SSDEEP 3072:TIyC66P/mSM60I5Dym/2etViSoV5AdXkkZVb0ugnAO+7QNRhTDw02rwjXeR41:e2S1JrjtViLIdXkqpgU0y02s724
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 260KB
SHA256 ef31afd84b1a702d9d584cd83b29ba06fb6cbc7d5778c3b0312affc4ef63eac5
MD5 703cd90aa2aefb79fd3c8ce801664c9c
SHA1 883bb52c063c98c6dc5c2b9c2c87def17cf59e79
SHA512 7180a87e19b7d7f5025b7881079b25a38581e6292556e824be4faaa01fba696ee3260d0fc5b9273c6b411717c02b25dc0e87bd01fe66a048ae7fb63d2b74881c
SSDEEP 3072:TIyC66P/mSM60I5Dym/2etViSoV5AdXkkZVb0ugnAO+7QNRhTDw02rwjXeR41:e2S1JrjtViLIdXkqpgU0y02s724
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 260KB
SHA256 ef31afd84b1a702d9d584cd83b29ba06fb6cbc7d5778c3b0312affc4ef63eac5
MD5 703cd90aa2aefb79fd3c8ce801664c9c
SHA1 883bb52c063c98c6dc5c2b9c2c87def17cf59e79
SHA512 7180a87e19b7d7f5025b7881079b25a38581e6292556e824be4faaa01fba696ee3260d0fc5b9273c6b411717c02b25dc0e87bd01fe66a048ae7fb63d2b74881c
SSDEEP 3072:TIyC66P/mSM60I5Dym/2etViSoV5AdXkkZVb0ugnAO+7QNRhTDw02rwjXeR41:e2S1JrjtViLIdXkqpgU0y02s724
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/1860-149-0x0000000000400000-0x0000000000477000-memory.dmp

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memory/1860-148-0x000000000050C000-0x000000000052B000-memory.dmp

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memory/2976-143-0x0000000000400000-0x0000000000477000-memory.dmp

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memory/2976-140-0x0000000000400000-0x0000000000477000-memory.dmp

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memory/2976-139-0x00000000006F9000-0x0000000000719000-memory.dmp

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memory/3032-151-0x000000000053C000-0x000000000055B000-memory.dmp

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memory/3032-152-0x0000000000400000-0x0000000000477000-memory.dmp

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memory/4500-142-0x0000000000400000-0x0000000000477000-memory.dmp

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memory/4500-141-0x0000000000789000-0x00000000007A8000-memory.dmp

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memory/4500-132-0x0000000000789000-0x00000000007A8000-memory.dmp

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memory/4500-134-0x0000000000400000-0x0000000000477000-memory.dmp

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memory/4500-133-0x00000000006D0000-0x000000000070E000-memory.dmp

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