amadey | befbecea931a0ba1c40069703dde95f12358c7eaa0a4e814625591daae57dc0c

Analysis

max time kernel
112s
max time network
145s
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, 02:44

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General

Target
file.exe
Size 290KB
Sample221215-c77m6aee8w
SHA256 befbecea931a0ba1c40069703dde95f12358c7eaa0a4e814625591daae57dc0c
MD5 c4075d7a88e84cac96e6f0e6a60d00e1
SHA1 9917059d939395ea2df29665346623f251f11f5c
SHA512 cfffaa914a8a6dd332460ec5063dd802ff0d54d5ca354d55dd629ffae4ea3df66f016a4a468949d4bc21e1e37a7aadbd67bd4e9c6c899d6a29851c42c2aa7c53
SSDEEP 6144:6dZSt0TLcVza8jKqKeutPnxa2tIpJbcdtx3CPW3DZ:KZStUIVz54ekaaDdtxMW3DZ
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 2 IoCs

resource	yara_rule
behavioral2/files/0x000b000000022e61-156.dat	amadey_cred_module
behavioral2/files/0x000b000000022e61-157.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
36	3424	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
4116	gntuud.exe
816	gntuud.exe
4128	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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	gntuud.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	file.exe

Loads dropped DLL 1 IoCs

pid	Process
3424	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-1-5-21-2386679933-1492765628-3466841596-1000\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
784	4884	WerFault.exe	80
1704	816	WerFault.exe	101
4200	4128	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
1612	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3424	rundll32.exe
3424	rundll32.exe
3424	rundll32.exe
3424	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 4116	4884	file.exe	81
PID 4884 wrote to memory of 4116	4884	file.exe	81
PID 4884 wrote to memory of 4116	4884	file.exe	81
PID 4116 wrote to memory of 1612	4116	gntuud.exe	87
PID 4116 wrote to memory of 1612	4116	gntuud.exe	87
PID 4116 wrote to memory of 1612	4116	gntuud.exe	87
PID 4116 wrote to memory of 4492	4116	gntuud.exe	89
PID 4116 wrote to memory of 4492	4116	gntuud.exe	89
PID 4116 wrote to memory of 4492	4116	gntuud.exe	89
PID 4492 wrote to memory of 532	4492	cmd.exe	91
PID 4492 wrote to memory of 532	4492	cmd.exe	91
PID 4492 wrote to memory of 532	4492	cmd.exe	91
PID 4492 wrote to memory of 1080	4492	cmd.exe	92
PID 4492 wrote to memory of 1080	4492	cmd.exe	92
PID 4492 wrote to memory of 1080	4492	cmd.exe	92
PID 4492 wrote to memory of 1172	4492	cmd.exe	93
PID 4492 wrote to memory of 1172	4492	cmd.exe	93
PID 4492 wrote to memory of 1172	4492	cmd.exe	93
PID 4492 wrote to memory of 1748	4492	cmd.exe	94
PID 4492 wrote to memory of 1748	4492	cmd.exe	94
PID 4492 wrote to memory of 1748	4492	cmd.exe	94
PID 4492 wrote to memory of 4036	4492	cmd.exe	95
PID 4492 wrote to memory of 4036	4492	cmd.exe	95
PID 4492 wrote to memory of 4036	4492	cmd.exe	95
PID 4492 wrote to memory of 208	4492	cmd.exe	96
PID 4492 wrote to memory of 208	4492	cmd.exe	96
PID 4492 wrote to memory of 208	4492	cmd.exe	96
PID 4116 wrote to memory of 3424	4116	gntuud.exe	104
PID 4116 wrote to memory of 3424	4116	gntuud.exe	104
PID 4116 wrote to memory of 3424	4116	gntuud.exe	104

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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:4884
- 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:4116
- - 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:1612
- - 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:4492
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:532
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:N"
      4⤵
      PID:1080
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:R" /E
      4⤵
      PID:1172
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:1748
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\2c33368f7d" /P "Admin:N"
      4⤵
      PID:4036
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\2c33368f7d" /P "Admin:R" /E
      4⤵
      PID:208
- - 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:3424
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 1292
  2⤵
  - Program crash
  PID:784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4884 -ip 4884
1⤵
PID:1888

C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
1⤵
- Executes dropped EXE
PID:816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 816 -s 416
  2⤵
  - Program crash
  PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 816 -ip 816
1⤵
PID:1952

C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
1⤵
- Executes dropped EXE
PID:4128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 416
  2⤵
  - Program crash
  PID:4200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4128 -ip 4128
1⤵
PID:3864

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\2c33368f7d\gntuud.exe
Size 290KB
SHA256 befbecea931a0ba1c40069703dde95f12358c7eaa0a4e814625591daae57dc0c
MD5 c4075d7a88e84cac96e6f0e6a60d00e1
SHA1 9917059d939395ea2df29665346623f251f11f5c
SHA512 cfffaa914a8a6dd332460ec5063dd802ff0d54d5ca354d55dd629ffae4ea3df66f016a4a468949d4bc21e1e37a7aadbd67bd4e9c6c899d6a29851c42c2aa7c53
SSDEEP 6144:6dZSt0TLcVza8jKqKeutPnxa2tIpJbcdtx3CPW3DZ:KZStUIVz54ekaaDdtxMW3DZ
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
Size 290KB
SHA256 befbecea931a0ba1c40069703dde95f12358c7eaa0a4e814625591daae57dc0c
MD5 c4075d7a88e84cac96e6f0e6a60d00e1
SHA1 9917059d939395ea2df29665346623f251f11f5c
SHA512 cfffaa914a8a6dd332460ec5063dd802ff0d54d5ca354d55dd629ffae4ea3df66f016a4a468949d4bc21e1e37a7aadbd67bd4e9c6c899d6a29851c42c2aa7c53
SSDEEP 6144:6dZSt0TLcVza8jKqKeutPnxa2tIpJbcdtx3CPW3DZ:KZStUIVz54ekaaDdtxMW3DZ
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
Size 290KB
SHA256 befbecea931a0ba1c40069703dde95f12358c7eaa0a4e814625591daae57dc0c
MD5 c4075d7a88e84cac96e6f0e6a60d00e1
SHA1 9917059d939395ea2df29665346623f251f11f5c
SHA512 cfffaa914a8a6dd332460ec5063dd802ff0d54d5ca354d55dd629ffae4ea3df66f016a4a468949d4bc21e1e37a7aadbd67bd4e9c6c899d6a29851c42c2aa7c53
SSDEEP 6144:6dZSt0TLcVza8jKqKeutPnxa2tIpJbcdtx3CPW3DZ:KZStUIVz54ekaaDdtxMW3DZ
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
Size 290KB
SHA256 befbecea931a0ba1c40069703dde95f12358c7eaa0a4e814625591daae57dc0c
MD5 c4075d7a88e84cac96e6f0e6a60d00e1
SHA1 9917059d939395ea2df29665346623f251f11f5c
SHA512 cfffaa914a8a6dd332460ec5063dd802ff0d54d5ca354d55dd629ffae4ea3df66f016a4a468949d4bc21e1e37a7aadbd67bd4e9c6c899d6a29851c42c2aa7c53
SSDEEP 6144:6dZSt0TLcVza8jKqKeutPnxa2tIpJbcdtx3CPW3DZ:KZStUIVz54ekaaDdtxMW3DZ
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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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/816-153-0x00000000006C4000-0x00000000006E3000-memory.dmp

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memory/816-154-0x0000000000400000-0x0000000000465000-memory.dmp

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memory/4116-149-0x0000000000400000-0x0000000000465000-memory.dmp

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memory/4116-150-0x00000000005C3000-0x00000000005E2000-memory.dmp

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memory/4116-151-0x0000000000400000-0x0000000000465000-memory.dmp

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memory/4116-148-0x00000000005C3000-0x00000000005E2000-memory.dmp

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memory/4128-160-0x0000000000400000-0x0000000000465000-memory.dmp

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memory/4128-159-0x0000000000774000-0x0000000000793000-memory.dmp

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memory/4884-139-0x0000000000400000-0x0000000000465000-memory.dmp

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memory/4884-134-0x0000000000400000-0x0000000000465000-memory.dmp

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memory/4884-133-0x00000000020D0000-0x000000000210E000-memory.dmp

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memory/4884-138-0x0000000000503000-0x0000000000522000-memory.dmp

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memory/4884-132-0x0000000000503000-0x0000000000522000-memory.dmp

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