amadey | 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1

Analysis

max time kernel
150s
max time network
150s
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, 12:26

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General

Target
file.exe
Size 206KB
Sample221126-pl66qaff8t
SHA256 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
MD5 fa88feb7e83019914c5bc21121a3dca5
SHA1 d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA512 d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
SSDEEP 3072:FQ2RgCKWIEFKWv5gv7kNIxzGTPBCasbPOP/9BD2sbgnjd5:nWCKWIEgD7kNItjaszOH9M7j
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/0x000c000000022e25-147.dat	amadey_cred_module
behavioral2/files/0x000c000000022e25-148.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
34	1376	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 4 IoCs

pid	Process
4952	gntuud.exe
1984	gntuud.exe
100	gntuud.exe
3532	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
1376	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 4 IoCs

pid	pid_target	Process	procid_target
3480	916	WerFault.exe	78
4672	1984	WerFault.exe	85
1744	100	WerFault.exe	90
4608	3532	WerFault.exe	93

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
528	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1376	rundll32.exe
1376	rundll32.exe
1376	rundll32.exe
1376	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 4952	916	file.exe	79
PID 916 wrote to memory of 4952	916	file.exe	79
PID 916 wrote to memory of 4952	916	file.exe	79
PID 4952 wrote to memory of 528	4952	gntuud.exe	83
PID 4952 wrote to memory of 528	4952	gntuud.exe	83
PID 4952 wrote to memory of 528	4952	gntuud.exe	83
PID 4952 wrote to memory of 1376	4952	gntuud.exe	89
PID 4952 wrote to memory of 1376	4952	gntuud.exe	89
PID 4952 wrote to memory of 1376	4952	gntuud.exe	89

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:916
- 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:4952
- - 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:528
- - 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:1376
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 1140
  2⤵
  - Program crash
  PID:3480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 916 -ip 916
1⤵
PID:3676

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:1984
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 420
  2⤵
  - Program crash
  PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1984 -ip 1984
1⤵
PID:1080

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:100
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 416
  2⤵
  - Program crash
  PID:1744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 100 -ip 100
1⤵
PID:4900

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:3532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 424
  2⤵
  - Program crash
  PID:4608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3532 -ip 3532
1⤵
PID:1904

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 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
MD5 fa88feb7e83019914c5bc21121a3dca5
SHA1 d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA512 d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
SSDEEP 3072:FQ2RgCKWIEFKWv5gv7kNIxzGTPBCasbPOP/9BD2sbgnjd5:nWCKWIEgD7kNItjaszOH9M7j
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 206KB
SHA256 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
MD5 fa88feb7e83019914c5bc21121a3dca5
SHA1 d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA512 d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
SSDEEP 3072:FQ2RgCKWIEFKWv5gv7kNIxzGTPBCasbPOP/9BD2sbgnjd5:nWCKWIEgD7kNItjaszOH9M7j
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 206KB
SHA256 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
MD5 fa88feb7e83019914c5bc21121a3dca5
SHA1 d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA512 d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
SSDEEP 3072:FQ2RgCKWIEFKWv5gv7kNIxzGTPBCasbPOP/9BD2sbgnjd5:nWCKWIEgD7kNItjaszOH9M7j
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 206KB
SHA256 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
MD5 fa88feb7e83019914c5bc21121a3dca5
SHA1 d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA512 d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
SSDEEP 3072:FQ2RgCKWIEFKWv5gv7kNIxzGTPBCasbPOP/9BD2sbgnjd5:nWCKWIEgD7kNItjaszOH9M7j
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 206KB
SHA256 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
MD5 fa88feb7e83019914c5bc21121a3dca5
SHA1 d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA512 d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
SSDEEP 3072:FQ2RgCKWIEFKWv5gv7kNIxzGTPBCasbPOP/9BD2sbgnjd5:nWCKWIEgD7kNItjaszOH9M7j
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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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/100-151-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/100-150-0x0000000000DC0000-0x0000000000DDF000-memory.dmp

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memory/916-142-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/916-132-0x0000000000E2D000-0x0000000000E4C000-memory.dmp

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memory/916-141-0x0000000000E2D000-0x0000000000E4C000-memory.dmp

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memory/916-134-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/916-133-0x0000000000D80000-0x0000000000DBE000-memory.dmp

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memory/1984-144-0x0000000000D80000-0x0000000000D9F000-memory.dmp

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memory/1984-145-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/3532-153-0x0000000000E50000-0x0000000000E6F000-memory.dmp

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memory/3532-154-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/4952-140-0x0000000000400000-0x0000000000AE5000-memory.dmp

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memory/4952-139-0x0000000000D3C000-0x0000000000D5B000-memory.dmp

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