amadey | 0a695099d8c1fb5cbd3802b26ab9d89865e8dd08dc13bff44a7204edecd6597d

Analysis

max time kernel
118s
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
26/11/2022, 06:38

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General

Target
file.exe
Size 205KB
Sample221126-hd2spshf68
SHA256 0a695099d8c1fb5cbd3802b26ab9d89865e8dd08dc13bff44a7204edecd6597d
MD5 75c1737c00a25686887a7e276ca03a2f
SHA1 53ee45c5da113d2d932d57b783ad170746cd8dd0
SHA512 89b9189e5f195864d3392542ff76370459b50debcc031020d5072d66ded2448dd47303dd817a6d7f085c27fbedf8cb69b2a5c0b46e4b33d872accf4ee7cc774e
SSDEEP 6144:oZl7IPcfgNIxAiIsLTP7VsU1Hs5cdgP+:oZl24SsLj7VsU1YX
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/0x0002000000021c1f-150.dat	amadey_cred_module
behavioral2/files/0x0002000000021c1f-151.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
40	5004	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2628	gntuud.exe
1444	gntuud.exe
4672	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
5004	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
5052	800	WerFault.exe	78
508	1444	WerFault.exe	87
3440	4672	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
2128	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5004	rundll32.exe
5004	rundll32.exe
5004	rundll32.exe
5004	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 2628	800	file.exe	79
PID 800 wrote to memory of 2628	800	file.exe	79
PID 800 wrote to memory of 2628	800	file.exe	79
PID 2628 wrote to memory of 2128	2628	gntuud.exe	85
PID 2628 wrote to memory of 2128	2628	gntuud.exe	85
PID 2628 wrote to memory of 2128	2628	gntuud.exe	85
PID 2628 wrote to memory of 5004	2628	gntuud.exe	96
PID 2628 wrote to memory of 5004	2628	gntuud.exe	96
PID 2628 wrote to memory of 5004	2628	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:800
- 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:2628
- - 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:2128
- - 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:5004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 800 -s 1136
  2⤵
  - Program crash
  PID:5052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 800 -ip 800
1⤵
PID:3524

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:1444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 424
  2⤵
  - Program crash
  PID:508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1444 -ip 1444
1⤵
PID:1812

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:4672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 424
  2⤵
  - Program crash
  PID:3440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4672 -ip 4672
1⤵
PID:1796

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 205KB
SHA256 0a695099d8c1fb5cbd3802b26ab9d89865e8dd08dc13bff44a7204edecd6597d
MD5 75c1737c00a25686887a7e276ca03a2f
SHA1 53ee45c5da113d2d932d57b783ad170746cd8dd0
SHA512 89b9189e5f195864d3392542ff76370459b50debcc031020d5072d66ded2448dd47303dd817a6d7f085c27fbedf8cb69b2a5c0b46e4b33d872accf4ee7cc774e
SSDEEP 6144:oZl7IPcfgNIxAiIsLTP7VsU1Hs5cdgP+:oZl24SsLj7VsU1YX
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 205KB
SHA256 0a695099d8c1fb5cbd3802b26ab9d89865e8dd08dc13bff44a7204edecd6597d
MD5 75c1737c00a25686887a7e276ca03a2f
SHA1 53ee45c5da113d2d932d57b783ad170746cd8dd0
SHA512 89b9189e5f195864d3392542ff76370459b50debcc031020d5072d66ded2448dd47303dd817a6d7f085c27fbedf8cb69b2a5c0b46e4b33d872accf4ee7cc774e
SSDEEP 6144:oZl7IPcfgNIxAiIsLTP7VsU1Hs5cdgP+:oZl24SsLj7VsU1YX
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 205KB
SHA256 0a695099d8c1fb5cbd3802b26ab9d89865e8dd08dc13bff44a7204edecd6597d
MD5 75c1737c00a25686887a7e276ca03a2f
SHA1 53ee45c5da113d2d932d57b783ad170746cd8dd0
SHA512 89b9189e5f195864d3392542ff76370459b50debcc031020d5072d66ded2448dd47303dd817a6d7f085c27fbedf8cb69b2a5c0b46e4b33d872accf4ee7cc774e
SSDEEP 6144:oZl7IPcfgNIxAiIsLTP7VsU1Hs5cdgP+:oZl24SsLj7VsU1YX
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 205KB
SHA256 0a695099d8c1fb5cbd3802b26ab9d89865e8dd08dc13bff44a7204edecd6597d
MD5 75c1737c00a25686887a7e276ca03a2f
SHA1 53ee45c5da113d2d932d57b783ad170746cd8dd0
SHA512 89b9189e5f195864d3392542ff76370459b50debcc031020d5072d66ded2448dd47303dd817a6d7f085c27fbedf8cb69b2a5c0b46e4b33d872accf4ee7cc774e
SSDEEP 6144:oZl7IPcfgNIxAiIsLTP7VsU1Hs5cdgP+:oZl24SsLj7VsU1YX
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

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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memory/800-133-0x0000000000BC0000-0x0000000000BFE000-memory.dmp

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memory/800-134-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/800-138-0x0000000000C5D000-0x0000000000C7C000-memory.dmp

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memory/800-139-0x0000000000BC0000-0x0000000000BFE000-memory.dmp

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memory/800-140-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/800-132-0x0000000000C5D000-0x0000000000C7C000-memory.dmp

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memory/1444-147-0x0000000000B40000-0x0000000000B5F000-memory.dmp

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memory/1444-148-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/2628-145-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/2628-144-0x0000000000C6C000-0x0000000000C8B000-memory.dmp

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memory/2628-143-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/2628-142-0x0000000000C6C000-0x0000000000C8B000-memory.dmp

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memory/4672-153-0x0000000000B50000-0x0000000000B6F000-memory.dmp

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memory/4672-154-0x0000000000400000-0x0000000000AE5000-memory.dmp

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