amadey | d45eeb97dde56fddcdb417781ef75f4d2675eb6e22564522f8744c96cd25bd72

Analysis

max time kernel
116s
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
23/12/2022, 17:29

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General

Target
1600a21943384b6d78419825adc3c642.exe
Size 284KB
Sample221223-v2j9sagg75
SHA256 d45eeb97dde56fddcdb417781ef75f4d2675eb6e22564522f8744c96cd25bd72
MD5 1600a21943384b6d78419825adc3c642
SHA1 4e26c696df88862df215d622f4d18bdbc355ac50
SHA512 bee55ca413016ec68dc01b44a919ab1b52101429ed24dc74cd8d2bb08841fd1011e3db646e493b5997eca3fafa9c1d6dc658d577a018059817d5d357f58463e1
SSDEEP 6144:YLczGXCcvSJ/t/zQ0zOPN5ZS6GZ5zukbCnAJpjcK:YEFM2tQ0I7ZDLGYAJpjcK
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

3.61

62.204.41.79/U7vfDb3kg/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/0x000700000002318c-145.dat	amadey_cred_module
behavioral2/files/0x000700000002318c-146.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
34	3520	rundll32.exe

Executes dropped EXE 3 IoCs

pid	Process
4920	gntuud.exe
3632	gntuud.exe
3744	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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	1600a21943384b6d78419825adc3c642.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 1 IoCs

pid	Process
3520	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-1-5-21-4246620582-653642754-1174164128-1000\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
740	2796	WerFault.exe	81
552	3632	WerFault.exe	94
1564	3744	WerFault.exe	98

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
4348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3520	rundll32.exe
3520	rundll32.exe
3520	rundll32.exe
3520	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 4920	2796	1600a21943384b6d78419825adc3c642.exe	82
PID 2796 wrote to memory of 4920	2796	1600a21943384b6d78419825adc3c642.exe	82
PID 2796 wrote to memory of 4920	2796	1600a21943384b6d78419825adc3c642.exe	82
PID 4920 wrote to memory of 4348	4920	gntuud.exe	88
PID 4920 wrote to memory of 4348	4920	gntuud.exe	88
PID 4920 wrote to memory of 4348	4920	gntuud.exe	88
PID 4920 wrote to memory of 3520	4920	gntuud.exe	95
PID 4920 wrote to memory of 3520	4920	gntuud.exe	95
PID 4920 wrote to memory of 3520	4920	gntuud.exe	95

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\1600a21943384b6d78419825adc3c642.exe
"C:\Users\Admin\AppData\Local\Temp\1600a21943384b6d78419825adc3c642.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
  "C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4920
- - 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\35731ceaf0\gntuud.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:4348
- - 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:3520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 1128
  2⤵
  - Program crash
  PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2796 -ip 2796
1⤵
PID:4900

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
1⤵
- Executes dropped EXE
PID:3632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 312
  2⤵
  - Program crash
  PID:552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3632 -ip 3632
1⤵
PID:3476

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
1⤵
- Executes dropped EXE
PID:3744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 312
  2⤵
  - Program crash
  PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3744 -ip 3744
1⤵
PID:4076

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\35731ceaf0\gntuud.exe
Size 284KB
SHA256 d45eeb97dde56fddcdb417781ef75f4d2675eb6e22564522f8744c96cd25bd72
MD5 1600a21943384b6d78419825adc3c642
SHA1 4e26c696df88862df215d622f4d18bdbc355ac50
SHA512 bee55ca413016ec68dc01b44a919ab1b52101429ed24dc74cd8d2bb08841fd1011e3db646e493b5997eca3fafa9c1d6dc658d577a018059817d5d357f58463e1
SSDEEP 6144:YLczGXCcvSJ/t/zQ0zOPN5ZS6GZ5zukbCnAJpjcK:YEFM2tQ0I7ZDLGYAJpjcK
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
Size 284KB
SHA256 d45eeb97dde56fddcdb417781ef75f4d2675eb6e22564522f8744c96cd25bd72
MD5 1600a21943384b6d78419825adc3c642
SHA1 4e26c696df88862df215d622f4d18bdbc355ac50
SHA512 bee55ca413016ec68dc01b44a919ab1b52101429ed24dc74cd8d2bb08841fd1011e3db646e493b5997eca3fafa9c1d6dc658d577a018059817d5d357f58463e1
SSDEEP 6144:YLczGXCcvSJ/t/zQ0zOPN5ZS6GZ5zukbCnAJpjcK:YEFM2tQ0I7ZDLGYAJpjcK
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
Size 284KB
SHA256 d45eeb97dde56fddcdb417781ef75f4d2675eb6e22564522f8744c96cd25bd72
MD5 1600a21943384b6d78419825adc3c642
SHA1 4e26c696df88862df215d622f4d18bdbc355ac50
SHA512 bee55ca413016ec68dc01b44a919ab1b52101429ed24dc74cd8d2bb08841fd1011e3db646e493b5997eca3fafa9c1d6dc658d577a018059817d5d357f58463e1
SSDEEP 6144:YLczGXCcvSJ/t/zQ0zOPN5ZS6GZ5zukbCnAJpjcK:YEFM2tQ0I7ZDLGYAJpjcK
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
Size 284KB
SHA256 d45eeb97dde56fddcdb417781ef75f4d2675eb6e22564522f8744c96cd25bd72
MD5 1600a21943384b6d78419825adc3c642
SHA1 4e26c696df88862df215d622f4d18bdbc355ac50
SHA512 bee55ca413016ec68dc01b44a919ab1b52101429ed24dc74cd8d2bb08841fd1011e3db646e493b5997eca3fafa9c1d6dc658d577a018059817d5d357f58463e1
SSDEEP 6144:YLczGXCcvSJ/t/zQ0zOPN5ZS6GZ5zukbCnAJpjcK:YEFM2tQ0I7ZDLGYAJpjcK
MD5 SHA1 SHA512 SSDEEP

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cred64.dll

Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
Size 126KB
SHA256 3357dbe44c1e509faa7b63e62b70600ef38fbc44aa9a7a4037b1edeb9c5528c2
MD5 af364df1b3d1011a1e53cc43a0f47931
SHA1 40a1afe04bb41b40c0369ac5d4707fc74583d2a3
SHA512 e25a6185d047a29797c34d43c4bed82fb3c062f057fa0d28f19bdf6b067e1166a232b981797c0d7e371bf3faa2e5b3ca00bdf8a0a8303221bdcc8b126c669f69
SSDEEP 3072:Yx7pOYzBekL3tiINwyP7XSSJds3zhrjPcnqULv4q9:Yx7ZNhL3vwyOztPc3L
MD5 SHA1 SHA512 SSDEEP

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cred64.dll

Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
Size 126KB
SHA256 3357dbe44c1e509faa7b63e62b70600ef38fbc44aa9a7a4037b1edeb9c5528c2
MD5 af364df1b3d1011a1e53cc43a0f47931
SHA1 40a1afe04bb41b40c0369ac5d4707fc74583d2a3
SHA512 e25a6185d047a29797c34d43c4bed82fb3c062f057fa0d28f19bdf6b067e1166a232b981797c0d7e371bf3faa2e5b3ca00bdf8a0a8303221bdcc8b126c669f69
SSDEEP 3072:Yx7pOYzBekL3tiINwyP7XSSJds3zhrjPcnqULv4q9:Yx7ZNhL3vwyOztPc3L
MD5 SHA1 SHA512 SSDEEP

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memory/2796-133-0x00000000004E0000-0x000000000051C000-memory.dmp

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memory/2796-134-0x0000000000400000-0x000000000046B000-memory.dmp

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memory/2796-138-0x0000000000657000-0x0000000000675000-memory.dmp

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memory/2796-139-0x0000000000400000-0x000000000046B000-memory.dmp

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memory/2796-132-0x0000000000657000-0x0000000000675000-memory.dmp

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memory/3632-147-0x000000000050A000-0x0000000000528000-memory.dmp

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memory/3632-148-0x0000000000400000-0x000000000046B000-memory.dmp

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memory/3744-150-0x000000000056A000-0x0000000000588000-memory.dmp

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memory/3744-151-0x0000000000400000-0x000000000046B000-memory.dmp

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memory/4920-142-0x0000000000400000-0x000000000046B000-memory.dmp

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memory/4920-141-0x00000000005B6000-0x00000000005D4000-memory.dmp

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