amadey | 073800cd8cc8699bc5441ea956715ae5df4d694b726df8dd6c0dd3ee74fc4284

Analysis

max time kernel
104s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
09/12/2022, 11:56

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General

Target
file.exe
Size 421KB
Sample221209-n31jtsdb22
SHA256 073800cd8cc8699bc5441ea956715ae5df4d694b726df8dd6c0dd3ee74fc4284
MD5 c21f3d4ca56dbc6ce56e01938a86fc14
SHA1 2eadff9b47d882f3c35d6429097faee4dd2ffd3e
SHA512 08d1104c7a7c8aca825281629934577169cd1220f994e0ecf2e044d83a297985aa81a431d22be10f48addbe97d102f1694d6342f21dc03d53b177f83e3d245d5
SSDEEP 12288:xROuQUp+HTezPRop+Pf6XIK9W9JTkmawcA:xRQNzeFoQex9EJT79
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 4 IoCs

resource	yara_rule
behavioral2/files/0x0009000000022e2c-156.dat	amadey_cred_module
behavioral2/files/0x0009000000022e2c-157.dat	amadey_cred_module
behavioral2/files/0x0009000000022e2c-158.dat	amadey_cred_module
behavioral2/memory/1528-159-0x0000000000760000-0x0000000000784000-memory.dmp	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
34	1528	rundll32.exe

Executes dropped EXE 3 IoCs

pid	Process
1256	gntuud.exe
1488	gntuud.exe
4516	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 2 IoCs

pid	Process
1528	rundll32.exe
1528	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
4592	5004	WerFault.exe	80
4044	1488	WerFault.exe	96
4852	4516	WerFault.exe	106

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
1968	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1528	rundll32.exe
1528	rundll32.exe
1528	rundll32.exe
1528	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 1256	5004	file.exe	81
PID 5004 wrote to memory of 1256	5004	file.exe	81
PID 5004 wrote to memory of 1256	5004	file.exe	81
PID 1256 wrote to memory of 1968	1256	gntuud.exe	84
PID 1256 wrote to memory of 1968	1256	gntuud.exe	84
PID 1256 wrote to memory of 1968	1256	gntuud.exe	84
PID 1256 wrote to memory of 4572	1256	gntuud.exe	86
PID 1256 wrote to memory of 4572	1256	gntuud.exe	86
PID 1256 wrote to memory of 4572	1256	gntuud.exe	86
PID 4572 wrote to memory of 4192	4572	cmd.exe	88
PID 4572 wrote to memory of 4192	4572	cmd.exe	88
PID 4572 wrote to memory of 4192	4572	cmd.exe	88
PID 4572 wrote to memory of 2656	4572	cmd.exe	89
PID 4572 wrote to memory of 2656	4572	cmd.exe	89
PID 4572 wrote to memory of 2656	4572	cmd.exe	89
PID 4572 wrote to memory of 3488	4572	cmd.exe	90
PID 4572 wrote to memory of 3488	4572	cmd.exe	90
PID 4572 wrote to memory of 3488	4572	cmd.exe	90
PID 4572 wrote to memory of 3676	4572	cmd.exe	91
PID 4572 wrote to memory of 3676	4572	cmd.exe	91
PID 4572 wrote to memory of 3676	4572	cmd.exe	91
PID 4572 wrote to memory of 2360	4572	cmd.exe	92
PID 4572 wrote to memory of 2360	4572	cmd.exe	92
PID 4572 wrote to memory of 2360	4572	cmd.exe	92
PID 4572 wrote to memory of 2504	4572	cmd.exe	93
PID 4572 wrote to memory of 2504	4572	cmd.exe	93
PID 4572 wrote to memory of 2504	4572	cmd.exe	93
PID 1256 wrote to memory of 1528	1256	gntuud.exe	99
PID 1256 wrote to memory of 1528	1256	gntuud.exe	99
PID 1256 wrote to memory of 1528	1256	gntuud.exe	99

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:5004
- 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:1256
- - 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:1968
- - 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:4572
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:4192
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:N"
      4⤵
      PID:2656
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:R" /E
      4⤵
      PID:3488
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:3676
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:N"
      4⤵
      PID:2360
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:R" /E
      4⤵
      PID:2504
- - 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:1528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 896
  2⤵
  - Program crash
  PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 5004 -ip 5004
1⤵
PID:2724

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:1488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 416
  2⤵
  - Program crash
  PID:4044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1488 -ip 1488
1⤵
PID:1456

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:4516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 416
  2⤵
  - Program crash
  PID:4852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4516 -ip 4516
1⤵
PID:1644

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\9c69749b54\gntuud.exe
Size 421KB
SHA256 073800cd8cc8699bc5441ea956715ae5df4d694b726df8dd6c0dd3ee74fc4284
MD5 c21f3d4ca56dbc6ce56e01938a86fc14
SHA1 2eadff9b47d882f3c35d6429097faee4dd2ffd3e
SHA512 08d1104c7a7c8aca825281629934577169cd1220f994e0ecf2e044d83a297985aa81a431d22be10f48addbe97d102f1694d6342f21dc03d53b177f83e3d245d5
SSDEEP 12288:xROuQUp+HTezPRop+Pf6XIK9W9JTkmawcA:xRQNzeFoQex9EJT79
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 421KB
SHA256 073800cd8cc8699bc5441ea956715ae5df4d694b726df8dd6c0dd3ee74fc4284
MD5 c21f3d4ca56dbc6ce56e01938a86fc14
SHA1 2eadff9b47d882f3c35d6429097faee4dd2ffd3e
SHA512 08d1104c7a7c8aca825281629934577169cd1220f994e0ecf2e044d83a297985aa81a431d22be10f48addbe97d102f1694d6342f21dc03d53b177f83e3d245d5
SSDEEP 12288:xROuQUp+HTezPRop+Pf6XIK9W9JTkmawcA:xRQNzeFoQex9EJT79
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 421KB
SHA256 073800cd8cc8699bc5441ea956715ae5df4d694b726df8dd6c0dd3ee74fc4284
MD5 c21f3d4ca56dbc6ce56e01938a86fc14
SHA1 2eadff9b47d882f3c35d6429097faee4dd2ffd3e
SHA512 08d1104c7a7c8aca825281629934577169cd1220f994e0ecf2e044d83a297985aa81a431d22be10f48addbe97d102f1694d6342f21dc03d53b177f83e3d245d5
SSDEEP 12288:xROuQUp+HTezPRop+Pf6XIK9W9JTkmawcA:xRQNzeFoQex9EJT79
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 421KB
SHA256 073800cd8cc8699bc5441ea956715ae5df4d694b726df8dd6c0dd3ee74fc4284
MD5 c21f3d4ca56dbc6ce56e01938a86fc14
SHA1 2eadff9b47d882f3c35d6429097faee4dd2ffd3e
SHA512 08d1104c7a7c8aca825281629934577169cd1220f994e0ecf2e044d83a297985aa81a431d22be10f48addbe97d102f1694d6342f21dc03d53b177f83e3d245d5
SSDEEP 12288:xROuQUp+HTezPRop+Pf6XIK9W9JTkmawcA:xRQNzeFoQex9EJT79
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

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

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memory/1256-151-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/1256-141-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/1256-140-0x0000000000686000-0x00000000006A5000-memory.dmp

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memory/1256-150-0x0000000000686000-0x00000000006A5000-memory.dmp

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memory/1488-153-0x000000000081A000-0x0000000000839000-memory.dmp

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memory/1488-154-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/1528-159-0x0000000000760000-0x0000000000784000-memory.dmp

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memory/4516-161-0x000000000063A000-0x0000000000659000-memory.dmp

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memory/4516-162-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/5004-132-0x0000000000597000-0x00000000005B7000-memory.dmp

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memory/5004-139-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/5004-138-0x0000000000597000-0x00000000005B7000-memory.dmp

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memory/5004-134-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/5004-133-0x00000000008C0000-0x00000000008FE000-memory.dmp

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