amadey | b41300b36598c97def7004f3e0a60f52b04c1d78de0edec2c71668e41ed894e5

Analysis

max time kernel
184s
max time network
197s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
09/12/2022, 16:07

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
file.exe
Size 421KB
Sample221209-tkmsxagd5w
SHA256 b41300b36598c97def7004f3e0a60f52b04c1d78de0edec2c71668e41ed894e5
MD5 db819acbb5ae76ef170adaa9869b3e24
SHA1 a42b899cc590c52ae63a276359be0d2e4d26e99f
SHA512 6e15275062efc6fa32c23ab98bfe746d78b140fdd4c7183c53964df9d9020457a1dd609ebf717be9cc48d7915331adfbd794d0926ecede74c945c85bc89fb67b
SSDEEP 6144:t30PLOfMUeXE/2xr0HkL8ALKsZAHahh6K9W9FehSmFded89kTR:t3kKfMPU/Gr0w8ZEPIK9W9FehSmmaw
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

3.50

31.41.244.237/jg94cVd30f/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/0x00080000000231a0-155.dat	amadey_cred_module
behavioral2/files/0x00080000000231a0-156.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
56	4048	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
3896	gntuud.exe
4416	gntuud.exe
5016	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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 1 IoCs

pid	Process
4048	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-1-5-21-4246620582-653642754-1174164128-1000\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
2368	4956	WerFault.exe	81
940	4416	WerFault.exe	97
2948	5016	WerFault.exe	109

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
640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe
4048	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 3896	4956	file.exe	82
PID 4956 wrote to memory of 3896	4956	file.exe	82
PID 4956 wrote to memory of 3896	4956	file.exe	82
PID 3896 wrote to memory of 640	3896	gntuud.exe	86
PID 3896 wrote to memory of 640	3896	gntuud.exe	86
PID 3896 wrote to memory of 640	3896	gntuud.exe	86
PID 3896 wrote to memory of 4332	3896	gntuud.exe	87
PID 3896 wrote to memory of 4332	3896	gntuud.exe	87
PID 3896 wrote to memory of 4332	3896	gntuud.exe	87
PID 4332 wrote to memory of 424	4332	cmd.exe	89
PID 4332 wrote to memory of 424	4332	cmd.exe	89
PID 4332 wrote to memory of 424	4332	cmd.exe	89
PID 4332 wrote to memory of 3084	4332	cmd.exe	91
PID 4332 wrote to memory of 3084	4332	cmd.exe	91
PID 4332 wrote to memory of 3084	4332	cmd.exe	91
PID 4332 wrote to memory of 2352	4332	cmd.exe	92
PID 4332 wrote to memory of 2352	4332	cmd.exe	92
PID 4332 wrote to memory of 2352	4332	cmd.exe	92
PID 4332 wrote to memory of 2984	4332	cmd.exe	93
PID 4332 wrote to memory of 2984	4332	cmd.exe	93
PID 4332 wrote to memory of 2984	4332	cmd.exe	93
PID 4332 wrote to memory of 4964	4332	cmd.exe	94
PID 4332 wrote to memory of 4964	4332	cmd.exe	94
PID 4332 wrote to memory of 4964	4332	cmd.exe	94
PID 4332 wrote to memory of 3672	4332	cmd.exe	95
PID 4332 wrote to memory of 3672	4332	cmd.exe	95
PID 4332 wrote to memory of 3672	4332	cmd.exe	95
PID 3896 wrote to memory of 4048	3896	gntuud.exe	101
PID 3896 wrote to memory of 4048	3896	gntuud.exe	101
PID 3896 wrote to memory of 4048	3896	gntuud.exe	101

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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:4956
- C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
  "C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3896
- - 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\9c69749b54\gntuud.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:640
- - 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 "..\9c69749b54" /P "Admin:N"&&CACLS "..\9c69749b54" /P "Admin:R" /E&&Exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4332
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:424
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:N"
      4⤵
      PID:3084
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:R" /E
      4⤵
      PID:2352
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:2984
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:N"
      4⤵
      PID:4964
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:R" /E
      4⤵
      PID:3672
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - outlook_win_path
    PID:4048
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 1144
  2⤵
  - Program crash
  PID:2368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4956 -ip 4956
1⤵
PID:1348

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:4416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 436
  2⤵
  - Program crash
  PID:940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4416 -ip 4416
1⤵
PID:1816

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:5016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 440
  2⤵
  - Program crash
  PID:2948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 5016 -ip 5016
1⤵
PID:4496

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

Replay Monitor

Loading Replay Monitor...

Downloads

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 421KB
SHA256 b41300b36598c97def7004f3e0a60f52b04c1d78de0edec2c71668e41ed894e5
MD5 db819acbb5ae76ef170adaa9869b3e24
SHA1 a42b899cc590c52ae63a276359be0d2e4d26e99f
SHA512 6e15275062efc6fa32c23ab98bfe746d78b140fdd4c7183c53964df9d9020457a1dd609ebf717be9cc48d7915331adfbd794d0926ecede74c945c85bc89fb67b
SSDEEP 6144:t30PLOfMUeXE/2xr0HkL8ALKsZAHahh6K9W9FehSmFded89kTR:t3kKfMPU/Gr0w8ZEPIK9W9FehSmmaw
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 421KB
SHA256 b41300b36598c97def7004f3e0a60f52b04c1d78de0edec2c71668e41ed894e5
MD5 db819acbb5ae76ef170adaa9869b3e24
SHA1 a42b899cc590c52ae63a276359be0d2e4d26e99f
SHA512 6e15275062efc6fa32c23ab98bfe746d78b140fdd4c7183c53964df9d9020457a1dd609ebf717be9cc48d7915331adfbd794d0926ecede74c945c85bc89fb67b
SSDEEP 6144:t30PLOfMUeXE/2xr0HkL8ALKsZAHahh6K9W9FehSmFded89kTR:t3kKfMPU/Gr0w8ZEPIK9W9FehSmmaw
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 421KB
SHA256 b41300b36598c97def7004f3e0a60f52b04c1d78de0edec2c71668e41ed894e5
MD5 db819acbb5ae76ef170adaa9869b3e24
SHA1 a42b899cc590c52ae63a276359be0d2e4d26e99f
SHA512 6e15275062efc6fa32c23ab98bfe746d78b140fdd4c7183c53964df9d9020457a1dd609ebf717be9cc48d7915331adfbd794d0926ecede74c945c85bc89fb67b
SSDEEP 6144:t30PLOfMUeXE/2xr0HkL8ALKsZAHahh6K9W9FehSmFded89kTR:t3kKfMPU/Gr0w8ZEPIK9W9FehSmmaw
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 421KB
SHA256 b41300b36598c97def7004f3e0a60f52b04c1d78de0edec2c71668e41ed894e5
MD5 db819acbb5ae76ef170adaa9869b3e24
SHA1 a42b899cc590c52ae63a276359be0d2e4d26e99f
SHA512 6e15275062efc6fa32c23ab98bfe746d78b140fdd4c7183c53964df9d9020457a1dd609ebf717be9cc48d7915331adfbd794d0926ecede74c945c85bc89fb67b
SSDEEP 6144:t30PLOfMUeXE/2xr0HkL8ALKsZAHahh6K9W9FehSmFded89kTR:t3kKfMPU/Gr0w8ZEPIK9W9FehSmmaw
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
Size 126KB
SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
MD5 c0fd0167e213b6148333351bd16ed1fb
SHA1 1cfb2b42686557656dead53e02d1db3f2a848026
SHA512 d514f35e62a5380b4ad96a3e0cddf82b53b1cf273e5ac542f040f30a75efd3c246fa2194e4bb273572cd2436a435a608e2b919f6df9fa4ebbf452b0d297b0cf9
SSDEEP 3072:Yx7pOYzBek53tiINwyP7XSSJds3zhrjPcnqULv4i9:Yx7ZNh53vwyOztPc3L
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
Size 126KB
SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
MD5 c0fd0167e213b6148333351bd16ed1fb
SHA1 1cfb2b42686557656dead53e02d1db3f2a848026
SHA512 d514f35e62a5380b4ad96a3e0cddf82b53b1cf273e5ac542f040f30a75efd3c246fa2194e4bb273572cd2436a435a608e2b919f6df9fa4ebbf452b0d297b0cf9
SSDEEP 3072:Yx7pOYzBek53tiINwyP7XSSJds3zhrjPcnqULv4i9:Yx7ZNh53vwyOztPc3L
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3896-146-0x00000000007F0000-0x000000000080F000-memory.dmp

Download

memory/3896-139-0x0000000000400000-0x000000000046F000-memory.dmp

Download

memory/3896-138-0x00000000007F0000-0x000000000080F000-memory.dmp

Download

memory/4416-152-0x0000000000664000-0x0000000000683000-memory.dmp

Download

memory/4416-153-0x0000000000400000-0x000000000046F000-memory.dmp

Download

memory/4956-133-0x00000000021B0000-0x00000000021EE000-memory.dmp

Download

memory/4956-140-0x00000000005F1000-0x0000000000610000-memory.dmp

Download

memory/4956-141-0x0000000000400000-0x000000000046F000-memory.dmp

Download

memory/4956-134-0x0000000000400000-0x000000000046F000-memory.dmp

Download

memory/4956-132-0x00000000005F1000-0x0000000000610000-memory.dmp

Download

memory/5016-158-0x0000000000753000-0x0000000000772000-memory.dmp

Download

memory/5016-159-0x00000000020E0000-0x000000000211E000-memory.dmp

Download

memory/5016-160-0x0000000000400000-0x000000000046F000-memory.dmp

Download

memory/5016-161-0x0000000000753000-0x0000000000772000-memory.dmp

Download