amadey | 4a124cf600ed0be0088de8db6d69f6cefad99f8b23c1a6bccc48314e6dc1f759

Analysis

max time kernel
143s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09/12/2022, 08:32

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General

Target
file.exe
Size 420KB
Sample221209-kfahcaff3w
SHA256 4a124cf600ed0be0088de8db6d69f6cefad99f8b23c1a6bccc48314e6dc1f759
MD5 f5c65a969deaab9e65168f0575c437e5
SHA1 c5951b84feab4ad6aab72377771cf108e2fbabc4
SHA512 63f9de334c0859016f45ab31c9f4a45dd587b7623d53c3328a2d2bc1ddebe917c0c40bf4c652460aa791673b043b720921f19e0acfb133cbbda4f65aba8fc5c4
SSDEEP 12288:ctceukS7hz8HoKXfRSnd2IK9W9dbV0ac:ctMkEhooKP7x9Edmx
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/0x0009000000022f62-157.dat	amadey_cred_module
behavioral2/files/0x0009000000022f62-158.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
44	628	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
780	gntuud.exe
3624	gntuud.exe
2848	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
628	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
3060	2484	WerFault.exe	75
4924	3624	WerFault.exe	94
532	2848	WerFault.exe	101

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
3492	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
628	rundll32.exe
628	rundll32.exe
628	rundll32.exe
628	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 780	2484	file.exe	76
PID 2484 wrote to memory of 780	2484	file.exe	76
PID 2484 wrote to memory of 780	2484	file.exe	76
PID 780 wrote to memory of 3492	780	gntuud.exe	80
PID 780 wrote to memory of 3492	780	gntuud.exe	80
PID 780 wrote to memory of 3492	780	gntuud.exe	80
PID 780 wrote to memory of 4572	780	gntuud.exe	82
PID 780 wrote to memory of 4572	780	gntuud.exe	82
PID 780 wrote to memory of 4572	780	gntuud.exe	82
PID 4572 wrote to memory of 4236	4572	cmd.exe	84
PID 4572 wrote to memory of 4236	4572	cmd.exe	84
PID 4572 wrote to memory of 4236	4572	cmd.exe	84
PID 4572 wrote to memory of 4532	4572	cmd.exe	85
PID 4572 wrote to memory of 4532	4572	cmd.exe	85
PID 4572 wrote to memory of 4532	4572	cmd.exe	85
PID 4572 wrote to memory of 4452	4572	cmd.exe	86
PID 4572 wrote to memory of 4452	4572	cmd.exe	86
PID 4572 wrote to memory of 4452	4572	cmd.exe	86
PID 4572 wrote to memory of 3272	4572	cmd.exe	87
PID 4572 wrote to memory of 3272	4572	cmd.exe	87
PID 4572 wrote to memory of 3272	4572	cmd.exe	87
PID 4572 wrote to memory of 772	4572	cmd.exe	88
PID 4572 wrote to memory of 772	4572	cmd.exe	88
PID 4572 wrote to memory of 772	4572	cmd.exe	88
PID 4572 wrote to memory of 4216	4572	cmd.exe	89
PID 4572 wrote to memory of 4216	4572	cmd.exe	89
PID 4572 wrote to memory of 4216	4572	cmd.exe	89
PID 780 wrote to memory of 628	780	gntuud.exe	99
PID 780 wrote to memory of 628	780	gntuud.exe	99
PID 780 wrote to memory of 628	780	gntuud.exe	99

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:2484
- 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:780
- - 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:3492
- - 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:4236
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:N"
      4⤵
      PID:4532
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:R" /E
      4⤵
      PID:4452
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:3272
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:N"
      4⤵
      PID:772
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:R" /E
      4⤵
      PID:4216
- - 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:628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 1136
  2⤵
  - Program crash
  PID:3060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2484 -ip 2484
1⤵
PID:2092

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:3624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 416
  2⤵
  - Program crash
  PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3624 -ip 3624
1⤵
PID:312

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:2848
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 424
  2⤵
  - Program crash
  PID:532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2848 -ip 2848
1⤵
PID:2756

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 420KB
SHA256 4a124cf600ed0be0088de8db6d69f6cefad99f8b23c1a6bccc48314e6dc1f759
MD5 f5c65a969deaab9e65168f0575c437e5
SHA1 c5951b84feab4ad6aab72377771cf108e2fbabc4
SHA512 63f9de334c0859016f45ab31c9f4a45dd587b7623d53c3328a2d2bc1ddebe917c0c40bf4c652460aa791673b043b720921f19e0acfb133cbbda4f65aba8fc5c4
SSDEEP 12288:ctceukS7hz8HoKXfRSnd2IK9W9dbV0ac:ctMkEhooKP7x9Edmx
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 420KB
SHA256 4a124cf600ed0be0088de8db6d69f6cefad99f8b23c1a6bccc48314e6dc1f759
MD5 f5c65a969deaab9e65168f0575c437e5
SHA1 c5951b84feab4ad6aab72377771cf108e2fbabc4
SHA512 63f9de334c0859016f45ab31c9f4a45dd587b7623d53c3328a2d2bc1ddebe917c0c40bf4c652460aa791673b043b720921f19e0acfb133cbbda4f65aba8fc5c4
SSDEEP 12288:ctceukS7hz8HoKXfRSnd2IK9W9dbV0ac:ctMkEhooKP7x9Edmx
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 420KB
SHA256 4a124cf600ed0be0088de8db6d69f6cefad99f8b23c1a6bccc48314e6dc1f759
MD5 f5c65a969deaab9e65168f0575c437e5
SHA1 c5951b84feab4ad6aab72377771cf108e2fbabc4
SHA512 63f9de334c0859016f45ab31c9f4a45dd587b7623d53c3328a2d2bc1ddebe917c0c40bf4c652460aa791673b043b720921f19e0acfb133cbbda4f65aba8fc5c4
SSDEEP 12288:ctceukS7hz8HoKXfRSnd2IK9W9dbV0ac:ctMkEhooKP7x9Edmx
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 420KB
SHA256 4a124cf600ed0be0088de8db6d69f6cefad99f8b23c1a6bccc48314e6dc1f759
MD5 f5c65a969deaab9e65168f0575c437e5
SHA1 c5951b84feab4ad6aab72377771cf108e2fbabc4
SHA512 63f9de334c0859016f45ab31c9f4a45dd587b7623d53c3328a2d2bc1ddebe917c0c40bf4c652460aa791673b043b720921f19e0acfb133cbbda4f65aba8fc5c4
SSDEEP 12288:ctceukS7hz8HoKXfRSnd2IK9W9dbV0ac:ctMkEhooKP7x9Edmx
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/780-152-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/780-151-0x0000000000757000-0x0000000000776000-memory.dmp

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memory/780-148-0x0000000000757000-0x0000000000776000-memory.dmp

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memory/780-149-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/2484-146-0x0000000000727000-0x0000000000746000-memory.dmp

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memory/2484-134-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/2484-147-0x00000000005B0000-0x00000000005EE000-memory.dmp

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memory/2484-133-0x00000000005B0000-0x00000000005EE000-memory.dmp

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memory/2484-132-0x0000000000727000-0x0000000000746000-memory.dmp

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memory/2484-150-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/2848-160-0x000000000062A000-0x0000000000649000-memory.dmp

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memory/2848-161-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/3624-154-0x000000000066A000-0x0000000000689000-memory.dmp

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memory/3624-155-0x0000000000400000-0x000000000046F000-memory.dmp

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