amadey | 8fe9b1a112abfaee7e844160b7cd000345d69065e53ce2695359dd90ca079598

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
15/12/2022, 10:15

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General

Target
file.exe
Size 366KB
Sample221215-l984facb44
SHA256 8fe9b1a112abfaee7e844160b7cd000345d69065e53ce2695359dd90ca079598
MD5 8ecfd65a6f3917c8201c0ef3234bb413
SHA1 65893a486feac8ad9a282da6100300d6b4f5ab61
SHA512 44255e483d9b0559998c0b3b03338453d64fe35ff9301a59b5c4e8e53564393ce58558f5df3c3124aeba3e623edd0d2b12b520249f3cf69322fa6e3efaefd6a5
SSDEEP 6144:PYthXLZ8QyTe/bbZ4tXhfKFKYjbnRSbjfxur/tb:GB98QxfZykFKsbRSbjJurR
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

3.60

62.204.41.79/fb73jc3/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/0x000a000000022dd2-156.dat	amadey_cred_module
behavioral2/memory/4936-159-0x0000000000870000-0x0000000000894000-memory.dmp	amadey_cred_module
behavioral2/files/0x000a000000022dd2-158.dat	amadey_cred_module
behavioral2/files/0x000a000000022dd2-157.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
27	4936	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2500	gntuud.exe
3932	gntuud.exe
4592	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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 2 IoCs

pid	Process
4936	rundll32.exe
4936	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-1-5-21-2971393436-602173351-1645505021-1000\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
4656	3284	WerFault.exe	80
4092	3932	WerFault.exe	101
2612	4592	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
3556	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4936	rundll32.exe
4936	rundll32.exe
4936	rundll32.exe
4936	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 2500	3284	file.exe	83
PID 3284 wrote to memory of 2500	3284	file.exe	83
PID 3284 wrote to memory of 2500	3284	file.exe	83
PID 2500 wrote to memory of 3556	2500	gntuud.exe	87
PID 2500 wrote to memory of 3556	2500	gntuud.exe	87
PID 2500 wrote to memory of 3556	2500	gntuud.exe	87
PID 2500 wrote to memory of 876	2500	gntuud.exe	89
PID 2500 wrote to memory of 876	2500	gntuud.exe	89
PID 2500 wrote to memory of 876	2500	gntuud.exe	89
PID 876 wrote to memory of 4108	876	cmd.exe	91
PID 876 wrote to memory of 4108	876	cmd.exe	91
PID 876 wrote to memory of 4108	876	cmd.exe	91
PID 876 wrote to memory of 1392	876	cmd.exe	92
PID 876 wrote to memory of 1392	876	cmd.exe	92
PID 876 wrote to memory of 1392	876	cmd.exe	92
PID 876 wrote to memory of 3844	876	cmd.exe	93
PID 876 wrote to memory of 3844	876	cmd.exe	93
PID 876 wrote to memory of 3844	876	cmd.exe	93
PID 876 wrote to memory of 4392	876	cmd.exe	94
PID 876 wrote to memory of 4392	876	cmd.exe	94
PID 876 wrote to memory of 4392	876	cmd.exe	94
PID 876 wrote to memory of 4528	876	cmd.exe	95
PID 876 wrote to memory of 4528	876	cmd.exe	95
PID 876 wrote to memory of 4528	876	cmd.exe	95
PID 876 wrote to memory of 4460	876	cmd.exe	96
PID 876 wrote to memory of 4460	876	cmd.exe	96
PID 876 wrote to memory of 4460	876	cmd.exe	96
PID 2500 wrote to memory of 4936	2500	gntuud.exe	104
PID 2500 wrote to memory of 4936	2500	gntuud.exe	104
PID 2500 wrote to memory of 4936	2500	gntuud.exe	104

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\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:3284
- C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
  "C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2500
- - 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\2c33368f7d\gntuud.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:3556
- - 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 "..\2c33368f7d" /P "Admin:N"&&CACLS "..\2c33368f7d" /P "Admin:R" /E&&Exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:876
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:4108
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:N"
      4⤵
      PID:1392
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:R" /E
      4⤵
      PID:3844
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:4392
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\2c33368f7d" /P "Admin:N"
      4⤵
      PID:4528
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\2c33368f7d" /P "Admin:R" /E
      4⤵
      PID:4460
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - outlook_win_path
    PID:4936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3284 -s 908
  2⤵
  - Program crash
  PID:4656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3284 -ip 3284
1⤵
PID:1860

C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
1⤵
- Executes dropped EXE
PID:3932
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 220
  2⤵
  - Program crash
  PID:4092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3932 -ip 3932
1⤵
PID:2860

C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
1⤵
- Executes dropped EXE
PID:4592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 420
  2⤵
  - Program crash
  PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4592 -ip 4592
1⤵
PID:2560

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

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Downloads

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
Size 366KB
SHA256 8fe9b1a112abfaee7e844160b7cd000345d69065e53ce2695359dd90ca079598
MD5 8ecfd65a6f3917c8201c0ef3234bb413
SHA1 65893a486feac8ad9a282da6100300d6b4f5ab61
SHA512 44255e483d9b0559998c0b3b03338453d64fe35ff9301a59b5c4e8e53564393ce58558f5df3c3124aeba3e623edd0d2b12b520249f3cf69322fa6e3efaefd6a5
SSDEEP 6144:PYthXLZ8QyTe/bbZ4tXhfKFKYjbnRSbjfxur/tb:GB98QxfZykFKsbRSbjJurR
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
Size 366KB
SHA256 8fe9b1a112abfaee7e844160b7cd000345d69065e53ce2695359dd90ca079598
MD5 8ecfd65a6f3917c8201c0ef3234bb413
SHA1 65893a486feac8ad9a282da6100300d6b4f5ab61
SHA512 44255e483d9b0559998c0b3b03338453d64fe35ff9301a59b5c4e8e53564393ce58558f5df3c3124aeba3e623edd0d2b12b520249f3cf69322fa6e3efaefd6a5
SSDEEP 6144:PYthXLZ8QyTe/bbZ4tXhfKFKYjbnRSbjfxur/tb:GB98QxfZykFKsbRSbjJurR
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
Size 366KB
SHA256 8fe9b1a112abfaee7e844160b7cd000345d69065e53ce2695359dd90ca079598
MD5 8ecfd65a6f3917c8201c0ef3234bb413
SHA1 65893a486feac8ad9a282da6100300d6b4f5ab61
SHA512 44255e483d9b0559998c0b3b03338453d64fe35ff9301a59b5c4e8e53564393ce58558f5df3c3124aeba3e623edd0d2b12b520249f3cf69322fa6e3efaefd6a5
SSDEEP 6144:PYthXLZ8QyTe/bbZ4tXhfKFKYjbnRSbjfxur/tb:GB98QxfZykFKsbRSbjJurR
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
Size 366KB
SHA256 8fe9b1a112abfaee7e844160b7cd000345d69065e53ce2695359dd90ca079598
MD5 8ecfd65a6f3917c8201c0ef3234bb413
SHA1 65893a486feac8ad9a282da6100300d6b4f5ab61
SHA512 44255e483d9b0559998c0b3b03338453d64fe35ff9301a59b5c4e8e53564393ce58558f5df3c3124aeba3e623edd0d2b12b520249f3cf69322fa6e3efaefd6a5
SSDEEP 6144:PYthXLZ8QyTe/bbZ4tXhfKFKYjbnRSbjfxur/tb:GB98QxfZykFKsbRSbjJurR
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
Size 126KB
SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
MD5 9995abf2f401e4945a7d2930a3727619
SHA1 7715e14ad6e4adf609c62c5812419800343fbd4f
SHA512 42726fb602958594914b5bc936aff36833823f9f9da9bc80a46579d96cec12c7df070c174ec9dd82c21f2fe44f1e9a4a2e50d9944fea6379dbdec666727a7eda
SSDEEP 3072:ox7pOYzBekcmWDWCMq6As523HeS9FAiZ87vO2rlL3Rne9:ox7ZNhc/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
Size 126KB
SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
MD5 9995abf2f401e4945a7d2930a3727619
SHA1 7715e14ad6e4adf609c62c5812419800343fbd4f
SHA512 42726fb602958594914b5bc936aff36833823f9f9da9bc80a46579d96cec12c7df070c174ec9dd82c21f2fe44f1e9a4a2e50d9944fea6379dbdec666727a7eda
SSDEEP 3072:ox7pOYzBekcmWDWCMq6As523HeS9FAiZ87vO2rlL3Rne9:ox7ZNhc/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
Size 126KB
SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
MD5 9995abf2f401e4945a7d2930a3727619
SHA1 7715e14ad6e4adf609c62c5812419800343fbd4f
SHA512 42726fb602958594914b5bc936aff36833823f9f9da9bc80a46579d96cec12c7df070c174ec9dd82c21f2fe44f1e9a4a2e50d9944fea6379dbdec666727a7eda
SSDEEP 3072:ox7pOYzBekcmWDWCMq6As523HeS9FAiZ87vO2rlL3Rne9:ox7ZNhc/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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memory/2500-150-0x0000000000658000-0x0000000000678000-memory.dmp

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memory/2500-149-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/2500-151-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/2500-148-0x0000000000658000-0x0000000000678000-memory.dmp

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memory/3284-139-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/3284-133-0x0000000002070000-0x00000000020AE000-memory.dmp

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memory/3284-132-0x00000000006E9000-0x0000000000709000-memory.dmp

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memory/3284-138-0x00000000006E9000-0x0000000000709000-memory.dmp

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memory/3284-134-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/3932-153-0x00000000004BC000-0x00000000004DB000-memory.dmp

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memory/3932-154-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/4592-161-0x00000000007AC000-0x00000000007CB000-memory.dmp

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memory/4592-162-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/4936-159-0x0000000000870000-0x0000000000894000-memory.dmp

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