amadey | f7a18603d90fe4666ff5d913a6cb969183de1172e5873955a6733ab78ddf9623

Analysis

max time kernel
117s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
18/12/2022, 03:36

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General

Target
file.exe
Size 272KB
Sample221218-d5w93sae49
SHA256 f7a18603d90fe4666ff5d913a6cb969183de1172e5873955a6733ab78ddf9623
MD5 2f38a28a862019894d2c01141606f70a
SHA1 8c1a879c91b18202dcbf5dd1a86b706eaa94dfe5
SHA512 a1c4598b8fae715f0ffe880fe00171fdd7fd113801ef3ca525402d7d6293cf9152ee1afb07f3e379ccdd7fd95fe10db47c7232435fbfdf5143b7ce0c89d1963e
SSDEEP 6144:zA7z+ML6pdfZxVK/qIlAtX0amtng3CV2y6nYmU0VB:zA7zDupVZxZI80CSV2pY3O
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/0x000b000000022f72-156.dat	amadey_cred_module
behavioral2/files/0x000b000000022f72-157.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
37	4540	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
4984	gntuud.exe
2064	gntuud.exe
1468	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
4540	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
4848	3712	WerFault.exe	78
1284	2064	WerFault.exe	101
4284	1468	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
4836	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe
4540	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3712 wrote to memory of 4984	3712	file.exe	79
PID 3712 wrote to memory of 4984	3712	file.exe	79
PID 3712 wrote to memory of 4984	3712	file.exe	79
PID 4984 wrote to memory of 4836	4984	gntuud.exe	83
PID 4984 wrote to memory of 4836	4984	gntuud.exe	83
PID 4984 wrote to memory of 4836	4984	gntuud.exe	83
PID 4984 wrote to memory of 4364	4984	gntuud.exe	85
PID 4984 wrote to memory of 4364	4984	gntuud.exe	85
PID 4984 wrote to memory of 4364	4984	gntuud.exe	85
PID 4364 wrote to memory of 3884	4364	cmd.exe	89
PID 4364 wrote to memory of 3884	4364	cmd.exe	89
PID 4364 wrote to memory of 3884	4364	cmd.exe	89
PID 4364 wrote to memory of 316	4364	cmd.exe	90
PID 4364 wrote to memory of 316	4364	cmd.exe	90
PID 4364 wrote to memory of 316	4364	cmd.exe	90
PID 4364 wrote to memory of 3888	4364	cmd.exe	91
PID 4364 wrote to memory of 3888	4364	cmd.exe	91
PID 4364 wrote to memory of 3888	4364	cmd.exe	91
PID 4364 wrote to memory of 3016	4364	cmd.exe	92
PID 4364 wrote to memory of 3016	4364	cmd.exe	92
PID 4364 wrote to memory of 3016	4364	cmd.exe	92
PID 4364 wrote to memory of 4384	4364	cmd.exe	93
PID 4364 wrote to memory of 4384	4364	cmd.exe	93
PID 4364 wrote to memory of 4384	4364	cmd.exe	93
PID 4364 wrote to memory of 460	4364	cmd.exe	94
PID 4364 wrote to memory of 460	4364	cmd.exe	94
PID 4364 wrote to memory of 460	4364	cmd.exe	94
PID 4984 wrote to memory of 4540	4984	gntuud.exe	104
PID 4984 wrote to memory of 4540	4984	gntuud.exe	104
PID 4984 wrote to memory of 4540	4984	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:3712
- 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:4984
- - 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:4836
- - 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:4364
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:3884
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:N"
      4⤵
      PID:316
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:R" /E
      4⤵
      PID:3888
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:3016
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:N"
      4⤵
      PID:4384
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:R" /E
      4⤵
      PID:460
- - 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:4540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 900
  2⤵
  - Program crash
  PID:4848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3712 -ip 3712
1⤵
PID:4948

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:2064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 424
  2⤵
  - Program crash
  PID:1284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2064 -ip 2064
1⤵
PID:2544

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:1468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 416
  2⤵
  - Program crash
  PID:4284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1468 -ip 1468
1⤵
PID:1532

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 272KB
SHA256 f7a18603d90fe4666ff5d913a6cb969183de1172e5873955a6733ab78ddf9623
MD5 2f38a28a862019894d2c01141606f70a
SHA1 8c1a879c91b18202dcbf5dd1a86b706eaa94dfe5
SHA512 a1c4598b8fae715f0ffe880fe00171fdd7fd113801ef3ca525402d7d6293cf9152ee1afb07f3e379ccdd7fd95fe10db47c7232435fbfdf5143b7ce0c89d1963e
SSDEEP 6144:zA7z+ML6pdfZxVK/qIlAtX0amtng3CV2y6nYmU0VB:zA7zDupVZxZI80CSV2pY3O
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 272KB
SHA256 f7a18603d90fe4666ff5d913a6cb969183de1172e5873955a6733ab78ddf9623
MD5 2f38a28a862019894d2c01141606f70a
SHA1 8c1a879c91b18202dcbf5dd1a86b706eaa94dfe5
SHA512 a1c4598b8fae715f0ffe880fe00171fdd7fd113801ef3ca525402d7d6293cf9152ee1afb07f3e379ccdd7fd95fe10db47c7232435fbfdf5143b7ce0c89d1963e
SSDEEP 6144:zA7z+ML6pdfZxVK/qIlAtX0amtng3CV2y6nYmU0VB:zA7zDupVZxZI80CSV2pY3O
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 272KB
SHA256 f7a18603d90fe4666ff5d913a6cb969183de1172e5873955a6733ab78ddf9623
MD5 2f38a28a862019894d2c01141606f70a
SHA1 8c1a879c91b18202dcbf5dd1a86b706eaa94dfe5
SHA512 a1c4598b8fae715f0ffe880fe00171fdd7fd113801ef3ca525402d7d6293cf9152ee1afb07f3e379ccdd7fd95fe10db47c7232435fbfdf5143b7ce0c89d1963e
SSDEEP 6144:zA7z+ML6pdfZxVK/qIlAtX0amtng3CV2y6nYmU0VB:zA7zDupVZxZI80CSV2pY3O
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 272KB
SHA256 f7a18603d90fe4666ff5d913a6cb969183de1172e5873955a6733ab78ddf9623
MD5 2f38a28a862019894d2c01141606f70a
SHA1 8c1a879c91b18202dcbf5dd1a86b706eaa94dfe5
SHA512 a1c4598b8fae715f0ffe880fe00171fdd7fd113801ef3ca525402d7d6293cf9152ee1afb07f3e379ccdd7fd95fe10db47c7232435fbfdf5143b7ce0c89d1963e
SSDEEP 6144:zA7z+ML6pdfZxVK/qIlAtX0amtng3CV2y6nYmU0VB:zA7zDupVZxZI80CSV2pY3O
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/1468-159-0x00000000005E4000-0x0000000000603000-memory.dmp

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memory/1468-160-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/2064-154-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/2064-153-0x0000000000764000-0x0000000000783000-memory.dmp

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memory/3712-139-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/3712-133-0x00000000020B0000-0x00000000020EE000-memory.dmp

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memory/3712-134-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/3712-138-0x00000000004A3000-0x00000000004C2000-memory.dmp

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memory/3712-132-0x00000000004A3000-0x00000000004C2000-memory.dmp

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memory/4984-151-0x0000000000400000-0x000000000046E000-memory.dmp

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memory/4984-150-0x0000000000673000-0x0000000000692000-memory.dmp

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memory/4984-144-0x0000000000673000-0x0000000000692000-memory.dmp

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memory/4984-145-0x0000000000400000-0x000000000046E000-memory.dmp

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