amadey | 209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e

Analysis

max time kernel
104s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2022, 03:52

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General

Target
file.exe
Size 206KB
Sample221126-ee3jvaac79
SHA256 209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
MD5 99eb0821bf77a45bb19300819ba8712f
SHA1 8a45e7af8b9c5e6bc66068375d783b93fdfa9447
SHA512 c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
SSDEEP 3072:R0cVsFuzOk14P0j65XRWude3ZnKPUnEp40R/zXy9tAHyQnEnd/G8ZjfSNItdoh:R/s3kGPiua1I+EFR/jGCH2pZjAuo
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

3.50

31.41.244.17/hfk3vK9/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/0x000b00000001f020-149.dat	amadey_cred_module
behavioral2/files/0x000b00000001f020-150.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
40	4716	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
4968	gntuud.exe
1824	gntuud.exe
3156	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
4716	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
2164	2296	WerFault.exe	59
784	1824	WerFault.exe	94
3420	3156	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
1396	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4716	rundll32.exe
4716	rundll32.exe
4716	rundll32.exe
4716	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 4968	2296	file.exe	80
PID 2296 wrote to memory of 4968	2296	file.exe	80
PID 2296 wrote to memory of 4968	2296	file.exe	80
PID 4968 wrote to memory of 1396	4968	gntuud.exe	84
PID 4968 wrote to memory of 1396	4968	gntuud.exe	84
PID 4968 wrote to memory of 1396	4968	gntuud.exe	84
PID 4968 wrote to memory of 4716	4968	gntuud.exe	97
PID 4968 wrote to memory of 4716	4968	gntuud.exe	97
PID 4968 wrote to memory of 4716	4968	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:2296
- 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:4968
- - 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:1396
- - 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:4716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 1140
  2⤵
  - Program crash
  PID:2164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2296 -ip 2296
1⤵
PID:2592

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:1824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 424
  2⤵
  - Program crash
  PID:784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1824 -ip 1824
1⤵
PID:844

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:3156
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 416
  2⤵
  - Program crash
  PID:3420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 3156 -ip 3156
1⤵
PID:4396

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 206KB
SHA256 209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
MD5 99eb0821bf77a45bb19300819ba8712f
SHA1 8a45e7af8b9c5e6bc66068375d783b93fdfa9447
SHA512 c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
SSDEEP 3072:R0cVsFuzOk14P0j65XRWude3ZnKPUnEp40R/zXy9tAHyQnEnd/G8ZjfSNItdoh:R/s3kGPiua1I+EFR/jGCH2pZjAuo
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 206KB
SHA256 209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
MD5 99eb0821bf77a45bb19300819ba8712f
SHA1 8a45e7af8b9c5e6bc66068375d783b93fdfa9447
SHA512 c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
SSDEEP 3072:R0cVsFuzOk14P0j65XRWude3ZnKPUnEp40R/zXy9tAHyQnEnd/G8ZjfSNItdoh:R/s3kGPiua1I+EFR/jGCH2pZjAuo
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 206KB
SHA256 209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
MD5 99eb0821bf77a45bb19300819ba8712f
SHA1 8a45e7af8b9c5e6bc66068375d783b93fdfa9447
SHA512 c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
SSDEEP 3072:R0cVsFuzOk14P0j65XRWude3ZnKPUnEp40R/zXy9tAHyQnEnd/G8ZjfSNItdoh:R/s3kGPiua1I+EFR/jGCH2pZjAuo
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 206KB
SHA256 209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
MD5 99eb0821bf77a45bb19300819ba8712f
SHA1 8a45e7af8b9c5e6bc66068375d783b93fdfa9447
SHA512 c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
SSDEEP 3072:R0cVsFuzOk14P0j65XRWude3ZnKPUnEp40R/zXy9tAHyQnEnd/G8ZjfSNItdoh:R/s3kGPiua1I+EFR/jGCH2pZjAuo
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
Size 126KB
SHA256 d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
MD5 adbaf286228c46522e50371c4be31a03
SHA1 a29d644c4663b2e2b2bd92046ba0df629537c297
SHA512 74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
SSDEEP 3072:ox7pOYzBekBmWDWCMq6As523HeS9FAiZ87vO2rlL3Rnm9:ox7ZNhB/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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cred64.dll

Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
Size 126KB
SHA256 d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
MD5 adbaf286228c46522e50371c4be31a03
SHA1 a29d644c4663b2e2b2bd92046ba0df629537c297
SHA512 74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
SSDEEP 3072:ox7pOYzBekBmWDWCMq6As523HeS9FAiZ87vO2rlL3Rnm9:ox7ZNhB/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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memory/1824-147-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/1824-146-0x0000000000D70000-0x0000000000D8F000-memory.dmp

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memory/2296-134-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/2296-139-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/2296-133-0x0000000002850000-0x000000000288E000-memory.dmp

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memory/2296-138-0x0000000000CCD000-0x0000000000CEC000-memory.dmp

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memory/2296-132-0x0000000000CCD000-0x0000000000CEC000-memory.dmp

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memory/3156-153-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/3156-152-0x0000000000E20000-0x0000000000E3F000-memory.dmp

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memory/4968-143-0x0000000000C5C000-0x0000000000C7B000-memory.dmp

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memory/4968-144-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/4968-142-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/4968-141-0x0000000000C5C000-0x0000000000C7B000-memory.dmp

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