amadey | f3a9022b045cf24b4726b310a1094624ffc40f705b628f283cf4e3e2e4db2942

Analysis

max time kernel
101s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
08/12/2022, 08:18

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General

Target
file.exe
Size 322KB
Sample221208-j7bdaahd45
SHA256 f3a9022b045cf24b4726b310a1094624ffc40f705b628f283cf4e3e2e4db2942
MD5 3af74e7d1b0146cc9a83de025c98ace1
SHA1 9046dc3fb167e980d9aef629241738aab2101473
SHA512 41a70fc9be3dd596847b41c0111fb858762822c1a154d76240ad94675d3b627e3477ba60934d92d130372b4887b91b27facb790e6f13fe1d5a805b23875f3f7e
SSDEEP 6144:csNWpaZiU7MYb41aK6xqJ7NLsUs2s8xm:csNWcZZMYM1aK4qTS2s
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/0x000b000000022f7d-157.dat	amadey_cred_module
behavioral2/files/0x000b000000022f7d-158.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
37	4172	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
3592	gntuud.exe
1064	gntuud.exe
4760	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
4172	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
3248	4440	WerFault.exe	77
2236	1064	WerFault.exe	100
2436	4760	WerFault.exe	104

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
4400	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4172	rundll32.exe
4172	rundll32.exe
4172	rundll32.exe
4172	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 3592	4440	file.exe	78
PID 4440 wrote to memory of 3592	4440	file.exe	78
PID 4440 wrote to memory of 3592	4440	file.exe	78
PID 3592 wrote to memory of 4400	3592	gntuud.exe	81
PID 3592 wrote to memory of 4400	3592	gntuud.exe	81
PID 3592 wrote to memory of 4400	3592	gntuud.exe	81
PID 3592 wrote to memory of 4984	3592	gntuud.exe	83
PID 3592 wrote to memory of 4984	3592	gntuud.exe	83
PID 3592 wrote to memory of 4984	3592	gntuud.exe	83
PID 4984 wrote to memory of 636	4984	cmd.exe	85
PID 4984 wrote to memory of 636	4984	cmd.exe	85
PID 4984 wrote to memory of 636	4984	cmd.exe	85
PID 4984 wrote to memory of 4752	4984	cmd.exe	86
PID 4984 wrote to memory of 4752	4984	cmd.exe	86
PID 4984 wrote to memory of 4752	4984	cmd.exe	86
PID 4984 wrote to memory of 4512	4984	cmd.exe	87
PID 4984 wrote to memory of 4512	4984	cmd.exe	87
PID 4984 wrote to memory of 4512	4984	cmd.exe	87
PID 4984 wrote to memory of 540	4984	cmd.exe	88
PID 4984 wrote to memory of 540	4984	cmd.exe	88
PID 4984 wrote to memory of 540	4984	cmd.exe	88
PID 4984 wrote to memory of 1140	4984	cmd.exe	89
PID 4984 wrote to memory of 1140	4984	cmd.exe	89
PID 4984 wrote to memory of 1140	4984	cmd.exe	89
PID 4984 wrote to memory of 3060	4984	cmd.exe	90
PID 4984 wrote to memory of 3060	4984	cmd.exe	90
PID 4984 wrote to memory of 3060	4984	cmd.exe	90
PID 3592 wrote to memory of 4172	3592	gntuud.exe	103
PID 3592 wrote to memory of 4172	3592	gntuud.exe	103
PID 3592 wrote to memory of 4172	3592	gntuud.exe	103

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:4440
- 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:3592
- - 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:4400
- - 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:4984
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:636
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:N"
      4⤵
      PID:4752
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:R" /E
      4⤵
      PID:4512
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:540
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:N"
      4⤵
      PID:1140
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:R" /E
      4⤵
      PID:3060
- - 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:4172
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 1128
  2⤵
  - Program crash
  PID:3248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4440 -ip 4440
1⤵
PID:408

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:1064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 180
  2⤵
  - Program crash
  PID:2236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1064 -ip 1064
1⤵
PID:4640

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:4760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 424
  2⤵
  - Program crash
  PID:2436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4760 -ip 4760
1⤵
PID:4232

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 322KB
SHA256 f3a9022b045cf24b4726b310a1094624ffc40f705b628f283cf4e3e2e4db2942
MD5 3af74e7d1b0146cc9a83de025c98ace1
SHA1 9046dc3fb167e980d9aef629241738aab2101473
SHA512 41a70fc9be3dd596847b41c0111fb858762822c1a154d76240ad94675d3b627e3477ba60934d92d130372b4887b91b27facb790e6f13fe1d5a805b23875f3f7e
SSDEEP 6144:csNWpaZiU7MYb41aK6xqJ7NLsUs2s8xm:csNWcZZMYM1aK4qTS2s
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 322KB
SHA256 f3a9022b045cf24b4726b310a1094624ffc40f705b628f283cf4e3e2e4db2942
MD5 3af74e7d1b0146cc9a83de025c98ace1
SHA1 9046dc3fb167e980d9aef629241738aab2101473
SHA512 41a70fc9be3dd596847b41c0111fb858762822c1a154d76240ad94675d3b627e3477ba60934d92d130372b4887b91b27facb790e6f13fe1d5a805b23875f3f7e
SSDEEP 6144:csNWpaZiU7MYb41aK6xqJ7NLsUs2s8xm:csNWcZZMYM1aK4qTS2s
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 322KB
SHA256 f3a9022b045cf24b4726b310a1094624ffc40f705b628f283cf4e3e2e4db2942
MD5 3af74e7d1b0146cc9a83de025c98ace1
SHA1 9046dc3fb167e980d9aef629241738aab2101473
SHA512 41a70fc9be3dd596847b41c0111fb858762822c1a154d76240ad94675d3b627e3477ba60934d92d130372b4887b91b27facb790e6f13fe1d5a805b23875f3f7e
SSDEEP 6144:csNWpaZiU7MYb41aK6xqJ7NLsUs2s8xm:csNWcZZMYM1aK4qTS2s
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 322KB
SHA256 f3a9022b045cf24b4726b310a1094624ffc40f705b628f283cf4e3e2e4db2942
MD5 3af74e7d1b0146cc9a83de025c98ace1
SHA1 9046dc3fb167e980d9aef629241738aab2101473
SHA512 41a70fc9be3dd596847b41c0111fb858762822c1a154d76240ad94675d3b627e3477ba60934d92d130372b4887b91b27facb790e6f13fe1d5a805b23875f3f7e
SSDEEP 6144:csNWpaZiU7MYb41aK6xqJ7NLsUs2s8xm:csNWcZZMYM1aK4qTS2s
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/1064-154-0x0000000000654000-0x0000000000673000-memory.dmp

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memory/1064-155-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/3592-139-0x00000000020C0000-0x00000000020FE000-memory.dmp

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memory/3592-152-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/3592-140-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/3592-138-0x0000000000633000-0x0000000000652000-memory.dmp

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memory/3592-151-0x0000000000633000-0x0000000000652000-memory.dmp

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memory/4440-149-0x0000000000563000-0x0000000000582000-memory.dmp

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memory/4440-150-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/4440-132-0x0000000000563000-0x0000000000582000-memory.dmp

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memory/4440-134-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/4440-133-0x00000000007E0000-0x000000000081E000-memory.dmp

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memory/4760-160-0x00000000006C4000-0x00000000006E3000-memory.dmp

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memory/4760-161-0x0000000000400000-0x000000000046D000-memory.dmp

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