amadey | a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5

Analysis

max time kernel
104s
max time network
155s
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, 04:57

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General

Target
file.exe
Size 410KB
Sample221205-fk9qsage27
SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
MD5 8685934a676f759ca71aaf2fa84d22f6
SHA1 4e932132df790427dd443426cc9b8716106ef03e
SHA512 57c78d982dd99f45a0bce3956d6ee2d32aa5e2e0afb5a521f4caca583fef70967afe662fac8ca5b4773e8fe479297d213bdd9855611d9bccd2c47681b7c5a95e
SSDEEP 12288:vOZmeALuKmhhhhHtYzXdHYjvLyWglW8dG:vG4LuKmhhhhKHYjvL+7G
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/0x000200000001e2c1-150.dat	amadey_cred_module
behavioral2/files/0x000200000001e2c1-151.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
40	4504	rundll32.exe

Executes dropped EXE 3 IoCs

pid	Process
4280	gntuud.exe
4064	gntuud.exe
520	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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 1 IoCs

pid	Process
4504	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-1-5-21-2891029575-1462575-1165213807-1000\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
3184	1436	WerFault.exe	79
2492	4064	WerFault.exe	87
904	520	WerFault.exe	97

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
2140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4504	rundll32.exe
4504	rundll32.exe
4504	rundll32.exe
4504	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 4280	1436	file.exe	80
PID 1436 wrote to memory of 4280	1436	file.exe	80
PID 1436 wrote to memory of 4280	1436	file.exe	80
PID 4280 wrote to memory of 2140	4280	gntuud.exe	83
PID 4280 wrote to memory of 2140	4280	gntuud.exe	83
PID 4280 wrote to memory of 2140	4280	gntuud.exe	83
PID 4280 wrote to memory of 4504	4280	gntuud.exe	96
PID 4280 wrote to memory of 4504	4280	gntuud.exe	96
PID 4280 wrote to memory of 4504	4280	gntuud.exe	96

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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:1436
- 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:4280
- - 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:2140
- - 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:4504
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 900
  2⤵
  - Program crash
  PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1436 -ip 1436
1⤵
PID:2116

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:4064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 424
  2⤵
  - Program crash
  PID:2492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4064 -ip 4064
1⤵
PID:4316

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 520 -s 416
  2⤵
  - Program crash
  PID:904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 520 -ip 520
1⤵
PID:4732

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 410KB
SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
MD5 8685934a676f759ca71aaf2fa84d22f6
SHA1 4e932132df790427dd443426cc9b8716106ef03e
SHA512 57c78d982dd99f45a0bce3956d6ee2d32aa5e2e0afb5a521f4caca583fef70967afe662fac8ca5b4773e8fe479297d213bdd9855611d9bccd2c47681b7c5a95e
SSDEEP 12288:vOZmeALuKmhhhhHtYzXdHYjvLyWglW8dG:vG4LuKmhhhhKHYjvL+7G
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 410KB
SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
MD5 8685934a676f759ca71aaf2fa84d22f6
SHA1 4e932132df790427dd443426cc9b8716106ef03e
SHA512 57c78d982dd99f45a0bce3956d6ee2d32aa5e2e0afb5a521f4caca583fef70967afe662fac8ca5b4773e8fe479297d213bdd9855611d9bccd2c47681b7c5a95e
SSDEEP 12288:vOZmeALuKmhhhhHtYzXdHYjvLyWglW8dG:vG4LuKmhhhhKHYjvL+7G
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 410KB
SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
MD5 8685934a676f759ca71aaf2fa84d22f6
SHA1 4e932132df790427dd443426cc9b8716106ef03e
SHA512 57c78d982dd99f45a0bce3956d6ee2d32aa5e2e0afb5a521f4caca583fef70967afe662fac8ca5b4773e8fe479297d213bdd9855611d9bccd2c47681b7c5a95e
SSDEEP 12288:vOZmeALuKmhhhhHtYzXdHYjvLyWglW8dG:vG4LuKmhhhhKHYjvL+7G
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 410KB
SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
MD5 8685934a676f759ca71aaf2fa84d22f6
SHA1 4e932132df790427dd443426cc9b8716106ef03e
SHA512 57c78d982dd99f45a0bce3956d6ee2d32aa5e2e0afb5a521f4caca583fef70967afe662fac8ca5b4773e8fe479297d213bdd9855611d9bccd2c47681b7c5a95e
SSDEEP 12288:vOZmeALuKmhhhhHtYzXdHYjvLyWglW8dG:vG4LuKmhhhhKHYjvL+7G
MD5 SHA1 SHA512 SSDEEP

Submit Download

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/520-154-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/520-153-0x0000000000584000-0x00000000005A2000-memory.dmp

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memory/1436-136-0x0000000000470000-0x00000000004AE000-memory.dmp

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memory/1436-140-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/1436-132-0x00000000004F3000-0x0000000000512000-memory.dmp

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memory/1436-135-0x00000000004F3000-0x0000000000512000-memory.dmp

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memory/1436-134-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/1436-146-0x00000000004F3000-0x0000000000512000-memory.dmp

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memory/1436-133-0x0000000000470000-0x00000000004AE000-memory.dmp

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memory/4064-147-0x00000000005A4000-0x00000000005C2000-memory.dmp

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memory/4064-148-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/4280-144-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/4280-143-0x0000000000400000-0x000000000046C000-memory.dmp

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memory/4280-142-0x00000000005A3000-0x00000000005C2000-memory.dmp

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