amadey | 2a6fd6e8cf284a66dbb99eb692611c76cbdde2002e7a7d8b41ae2a7c4dfcf148

Analysis

max time kernel
117s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
17/12/2022, 14:01

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General

Target
file.exe
Size 274KB
Sample221217-rbjc1sbe71
SHA256 2a6fd6e8cf284a66dbb99eb692611c76cbdde2002e7a7d8b41ae2a7c4dfcf148
MD5 e0cd374c0312cec928f20f0c3e751e5c
SHA1 2d94213e98ed1f14d9e854b51c08fa8245e73fc9
SHA512 bba924881dde99de05366e8e1b4ab61f8ea72ace7daab019ec10e79c8e3501298222860fdb915db3afdd76ea2b4c3a75b3b02c8a4dd303cb72bffd824dbac829
SSDEEP 6144:tIzZLPx/KzMURpKojAvt8A2O4NHI12g3CZiU0VB:tId7xB7t8AFSZDO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

3.60

62.204.41.79/fb73jc3/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/0x000b000000022f78-157.dat	amadey_cred_module
behavioral2/files/0x000b000000022f78-158.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
39	2032	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2892	gntuud.exe
3044	gntuud.exe
2552	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
2032	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
4640	704	WerFault.exe	78
2276	3044	WerFault.exe	101
1416	2552	WerFault.exe	105

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
5008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2032	rundll32.exe
2032	rundll32.exe
2032	rundll32.exe
2032	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 704 wrote to memory of 2892	704	file.exe	79
PID 704 wrote to memory of 2892	704	file.exe	79
PID 704 wrote to memory of 2892	704	file.exe	79
PID 2892 wrote to memory of 5008	2892	gntuud.exe	83
PID 2892 wrote to memory of 5008	2892	gntuud.exe	83
PID 2892 wrote to memory of 5008	2892	gntuud.exe	83
PID 2892 wrote to memory of 2312	2892	gntuud.exe	85
PID 2892 wrote to memory of 2312	2892	gntuud.exe	85
PID 2892 wrote to memory of 2312	2892	gntuud.exe	85
PID 2312 wrote to memory of 2080	2312	cmd.exe	92
PID 2312 wrote to memory of 2080	2312	cmd.exe	92
PID 2312 wrote to memory of 2080	2312	cmd.exe	92
PID 2312 wrote to memory of 856	2312	cmd.exe	91
PID 2312 wrote to memory of 856	2312	cmd.exe	91
PID 2312 wrote to memory of 856	2312	cmd.exe	91
PID 2312 wrote to memory of 2404	2312	cmd.exe	90
PID 2312 wrote to memory of 2404	2312	cmd.exe	90
PID 2312 wrote to memory of 2404	2312	cmd.exe	90
PID 2312 wrote to memory of 2180	2312	cmd.exe	89
PID 2312 wrote to memory of 2180	2312	cmd.exe	89
PID 2312 wrote to memory of 2180	2312	cmd.exe	89
PID 2312 wrote to memory of 4520	2312	cmd.exe	88
PID 2312 wrote to memory of 4520	2312	cmd.exe	88
PID 2312 wrote to memory of 4520	2312	cmd.exe	88
PID 2312 wrote to memory of 3344	2312	cmd.exe	87
PID 2312 wrote to memory of 3344	2312	cmd.exe	87
PID 2312 wrote to memory of 3344	2312	cmd.exe	87
PID 2892 wrote to memory of 2032	2892	gntuud.exe	104
PID 2892 wrote to memory of 2032	2892	gntuud.exe	104
PID 2892 wrote to memory of 2032	2892	gntuud.exe	104

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:704
- C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
  "C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2892
- - 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\2c33368f7d\gntuud.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:5008
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "gntuud.exe" /P "Admin:N"&&CACLS "gntuud.exe" /P "Admin:R" /E&&echo Y|CACLS "..\2c33368f7d" /P "Admin:N"&&CACLS "..\2c33368f7d" /P "Admin:R" /E&&Exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2312
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\2c33368f7d" /P "Admin:R" /E
      4⤵
      PID:3344
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\2c33368f7d" /P "Admin:N"
      4⤵
      PID:4520
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:2180
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:R" /E
      4⤵
      PID:2404
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:N"
      4⤵
      PID:856
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:2080
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - outlook_win_path
    PID:2032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 704 -s 896
  2⤵
  - Program crash
  PID:4640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 704 -ip 704
1⤵
PID:3456

C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
1⤵
- Executes dropped EXE
PID:3044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 424
  2⤵
  - Program crash
  PID:2276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3044 -ip 3044
1⤵
PID:1472

C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
1⤵
- Executes dropped EXE
PID:2552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 424
  2⤵
  - Program crash
  PID:1416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2552 -ip 2552
1⤵
PID:2272

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\2c33368f7d\gntuud.exe
Size 274KB
SHA256 2a6fd6e8cf284a66dbb99eb692611c76cbdde2002e7a7d8b41ae2a7c4dfcf148
MD5 e0cd374c0312cec928f20f0c3e751e5c
SHA1 2d94213e98ed1f14d9e854b51c08fa8245e73fc9
SHA512 bba924881dde99de05366e8e1b4ab61f8ea72ace7daab019ec10e79c8e3501298222860fdb915db3afdd76ea2b4c3a75b3b02c8a4dd303cb72bffd824dbac829
SSDEEP 6144:tIzZLPx/KzMURpKojAvt8A2O4NHI12g3CZiU0VB:tId7xB7t8AFSZDO
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
Size 274KB
SHA256 2a6fd6e8cf284a66dbb99eb692611c76cbdde2002e7a7d8b41ae2a7c4dfcf148
MD5 e0cd374c0312cec928f20f0c3e751e5c
SHA1 2d94213e98ed1f14d9e854b51c08fa8245e73fc9
SHA512 bba924881dde99de05366e8e1b4ab61f8ea72ace7daab019ec10e79c8e3501298222860fdb915db3afdd76ea2b4c3a75b3b02c8a4dd303cb72bffd824dbac829
SSDEEP 6144:tIzZLPx/KzMURpKojAvt8A2O4NHI12g3CZiU0VB:tId7xB7t8AFSZDO
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
Size 274KB
SHA256 2a6fd6e8cf284a66dbb99eb692611c76cbdde2002e7a7d8b41ae2a7c4dfcf148
MD5 e0cd374c0312cec928f20f0c3e751e5c
SHA1 2d94213e98ed1f14d9e854b51c08fa8245e73fc9
SHA512 bba924881dde99de05366e8e1b4ab61f8ea72ace7daab019ec10e79c8e3501298222860fdb915db3afdd76ea2b4c3a75b3b02c8a4dd303cb72bffd824dbac829
SSDEEP 6144:tIzZLPx/KzMURpKojAvt8A2O4NHI12g3CZiU0VB:tId7xB7t8AFSZDO
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
Size 274KB
SHA256 2a6fd6e8cf284a66dbb99eb692611c76cbdde2002e7a7d8b41ae2a7c4dfcf148
MD5 e0cd374c0312cec928f20f0c3e751e5c
SHA1 2d94213e98ed1f14d9e854b51c08fa8245e73fc9
SHA512 bba924881dde99de05366e8e1b4ab61f8ea72ace7daab019ec10e79c8e3501298222860fdb915db3afdd76ea2b4c3a75b3b02c8a4dd303cb72bffd824dbac829
SSDEEP 6144:tIzZLPx/KzMURpKojAvt8A2O4NHI12g3CZiU0VB:tId7xB7t8AFSZDO
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
Size 126KB
SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
MD5 9995abf2f401e4945a7d2930a3727619
SHA1 7715e14ad6e4adf609c62c5812419800343fbd4f
SHA512 42726fb602958594914b5bc936aff36833823f9f9da9bc80a46579d96cec12c7df070c174ec9dd82c21f2fe44f1e9a4a2e50d9944fea6379dbdec666727a7eda
SSDEEP 3072:ox7pOYzBekcmWDWCMq6As523HeS9FAiZ87vO2rlL3Rne9:ox7ZNhc/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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cred64.dll

Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
Size 126KB
SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
MD5 9995abf2f401e4945a7d2930a3727619
SHA1 7715e14ad6e4adf609c62c5812419800343fbd4f
SHA512 42726fb602958594914b5bc936aff36833823f9f9da9bc80a46579d96cec12c7df070c174ec9dd82c21f2fe44f1e9a4a2e50d9944fea6379dbdec666727a7eda
SSDEEP 3072:ox7pOYzBekcmWDWCMq6As523HeS9FAiZ87vO2rlL3Rne9:ox7ZNhc/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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memory/704-134-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/704-140-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/704-139-0x0000000000673000-0x0000000000692000-memory.dmp

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memory/704-132-0x0000000000673000-0x0000000000692000-memory.dmp

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memory/704-133-0x00000000005F0000-0x000000000062E000-memory.dmp

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memory/2552-161-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/2552-160-0x0000000000694000-0x00000000006B3000-memory.dmp

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memory/2892-142-0x0000000000470000-0x0000000000570000-memory.dmp

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memory/2892-152-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/2892-143-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/2892-151-0x0000000000470000-0x0000000000570000-memory.dmp

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memory/3044-154-0x00000000006D4000-0x00000000006F3000-memory.dmp

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memory/3044-155-0x0000000000400000-0x000000000046E000-memory.dmp

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