amadey | 2bdcb75ebc0269a978086c219054bd5a8cb13a2452f7fbf7d7edb40fdc70c88d

Analysis

max time kernel
98s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 10:42

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General

Target
file.exe
Size 389KB
Sample221203-mrnkfsce76
SHA256 2bdcb75ebc0269a978086c219054bd5a8cb13a2452f7fbf7d7edb40fdc70c88d
MD5 5766ed69acc04b43cf6b54baf0914673
SHA1 cfd1ac339e91aec2705280d4b1a93f8b307d5ddc
SHA512 fc8f8de0ca532e33dd68287e7f484ec6eb40109acf8a96a8f65154a8e8bab6fd7e5df21d1baeefa8289982983203ef729edc0b89a88a868921d0c94839c9e6ed
SSDEEP 6144:DmBriAteFbDKqd4VarPDgUConnpaHeoruKPfknMW2RqnSIYo:Dm9iAthV6cUCYpaHeoSCqMW3SIYo
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/0x0006000000022e04-152.dat	amadey_cred_module
behavioral2/files/0x0006000000022e04-153.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
41	4924	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
1924	gntuud.exe
4184	gntuud.exe
4824	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
4924	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
424	4836	WerFault.exe	80
3620	4184	WerFault.exe	93
1008	4824	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
1928	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4924	rundll32.exe
4924	rundll32.exe
4924	rundll32.exe
4924	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 1924	4836	file.exe	81
PID 4836 wrote to memory of 1924	4836	file.exe	81
PID 4836 wrote to memory of 1924	4836	file.exe	81
PID 1924 wrote to memory of 1928	1924	gntuud.exe	87
PID 1924 wrote to memory of 1928	1924	gntuud.exe	87
PID 1924 wrote to memory of 1928	1924	gntuud.exe	87
PID 1924 wrote to memory of 4924	1924	gntuud.exe	96
PID 1924 wrote to memory of 4924	1924	gntuud.exe	96
PID 1924 wrote to memory of 4924	1924	gntuud.exe	96

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:4836
- 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:1924
- - 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:1928
- - 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:4924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 1192
  2⤵
  - Program crash
  PID:424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4836 -ip 4836
1⤵
PID:388

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:4184
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 416
  2⤵
  - Program crash
  PID:3620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4184 -ip 4184
1⤵
PID:4516

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:4824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 416
  2⤵
  - Program crash
  PID:1008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4824 -ip 4824
1⤵
PID:4080

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 389KB
SHA256 2bdcb75ebc0269a978086c219054bd5a8cb13a2452f7fbf7d7edb40fdc70c88d
MD5 5766ed69acc04b43cf6b54baf0914673
SHA1 cfd1ac339e91aec2705280d4b1a93f8b307d5ddc
SHA512 fc8f8de0ca532e33dd68287e7f484ec6eb40109acf8a96a8f65154a8e8bab6fd7e5df21d1baeefa8289982983203ef729edc0b89a88a868921d0c94839c9e6ed
SSDEEP 6144:DmBriAteFbDKqd4VarPDgUConnpaHeoruKPfknMW2RqnSIYo:Dm9iAthV6cUCYpaHeoSCqMW3SIYo
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 389KB
SHA256 2bdcb75ebc0269a978086c219054bd5a8cb13a2452f7fbf7d7edb40fdc70c88d
MD5 5766ed69acc04b43cf6b54baf0914673
SHA1 cfd1ac339e91aec2705280d4b1a93f8b307d5ddc
SHA512 fc8f8de0ca532e33dd68287e7f484ec6eb40109acf8a96a8f65154a8e8bab6fd7e5df21d1baeefa8289982983203ef729edc0b89a88a868921d0c94839c9e6ed
SSDEEP 6144:DmBriAteFbDKqd4VarPDgUConnpaHeoruKPfknMW2RqnSIYo:Dm9iAthV6cUCYpaHeoSCqMW3SIYo
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 389KB
SHA256 2bdcb75ebc0269a978086c219054bd5a8cb13a2452f7fbf7d7edb40fdc70c88d
MD5 5766ed69acc04b43cf6b54baf0914673
SHA1 cfd1ac339e91aec2705280d4b1a93f8b307d5ddc
SHA512 fc8f8de0ca532e33dd68287e7f484ec6eb40109acf8a96a8f65154a8e8bab6fd7e5df21d1baeefa8289982983203ef729edc0b89a88a868921d0c94839c9e6ed
SSDEEP 6144:DmBriAteFbDKqd4VarPDgUConnpaHeoruKPfknMW2RqnSIYo:Dm9iAthV6cUCYpaHeoSCqMW3SIYo
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 389KB
SHA256 2bdcb75ebc0269a978086c219054bd5a8cb13a2452f7fbf7d7edb40fdc70c88d
MD5 5766ed69acc04b43cf6b54baf0914673
SHA1 cfd1ac339e91aec2705280d4b1a93f8b307d5ddc
SHA512 fc8f8de0ca532e33dd68287e7f484ec6eb40109acf8a96a8f65154a8e8bab6fd7e5df21d1baeefa8289982983203ef729edc0b89a88a868921d0c94839c9e6ed
SSDEEP 6144:DmBriAteFbDKqd4VarPDgUConnpaHeoruKPfknMW2RqnSIYo:Dm9iAthV6cUCYpaHeoSCqMW3SIYo
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/1924-145-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/1924-143-0x0000000000726000-0x0000000000745000-memory.dmp

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memory/1924-146-0x0000000000726000-0x0000000000745000-memory.dmp

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memory/1924-147-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/4184-149-0x000000000059B000-0x00000000005BA000-memory.dmp

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memory/4184-150-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/4824-156-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/4824-155-0x000000000059A000-0x00000000005B9000-memory.dmp

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memory/4836-141-0x0000000000747000-0x0000000000766000-memory.dmp

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memory/4836-137-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/4836-136-0x00000000006D0000-0x000000000070E000-memory.dmp

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memory/4836-142-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/4836-135-0x0000000000747000-0x0000000000766000-memory.dmp

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