amadey | a5e0a8d94d854de7b2c94d4b196449ecfae16dfde2d917ed1cc9cb7726069a40

Analysis

max time kernel
187s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 17:37

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General

Target
file.exe
Size 380KB
Sample221204-v6522sbb88
SHA256 a5e0a8d94d854de7b2c94d4b196449ecfae16dfde2d917ed1cc9cb7726069a40
MD5 91176af73e5f4c5c01e6c8ce88a481a0
SHA1 e5349d540c50972802e1825c1c3dd68002f7e8b8
SHA512 7c5ddfb8d279eadfbc594d916a359269cc43dd4b17b11e0a4f9562b33adb09416aab7de6a0341c3dff1bc380f2f3e06bfa390e531322b3a6a6e2edaf871bcf70
SSDEEP 6144:XBPegtXz3z9PCY8Xv1LFMirYsy91ymlgl0KOqG1PF:XBPTpz9PCYi1LyimyWglHBG
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

3.50

31.41.244.167/v7eWcjs/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/0x000a000000022e4a-147.dat	amadey_cred_module
behavioral2/files/0x000a000000022e4a-148.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
57	900	rundll32.exe

Executes dropped EXE 3 IoCs

pid	Process
3360	gntuud.exe
4276	gntuud.exe
2192	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	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 1 IoCs

pid	Process
900	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
4684	2380	WerFault.exe	62
4516	4276	WerFault.exe	92
1764	2192	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
3732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
900	rundll32.exe
900	rundll32.exe
900	rundll32.exe
900	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 3360	2380	file.exe	84
PID 2380 wrote to memory of 3360	2380	file.exe	84
PID 2380 wrote to memory of 3360	2380	file.exe	84
PID 3360 wrote to memory of 3732	3360	gntuud.exe	86
PID 3360 wrote to memory of 3732	3360	gntuud.exe	86
PID 3360 wrote to memory of 3732	3360	gntuud.exe	86
PID 3360 wrote to memory of 900	3360	gntuud.exe	91
PID 3360 wrote to memory of 900	3360	gntuud.exe	91
PID 3360 wrote to memory of 900	3360	gntuud.exe	91

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:2380
- C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
  "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3360
- - 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\3f904562a0\gntuud.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:3732
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - outlook_win_path
    PID:900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 912
  2⤵
  - Program crash
  PID:4684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2380 -ip 2380
1⤵
PID:1368

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:4276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 424
  2⤵
  - Program crash
  PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4276 -ip 4276
1⤵
PID:3880

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:2192
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 416
  2⤵
  - Program crash
  PID:1764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2192 -ip 2192
1⤵
PID:4888

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\3f904562a0\gntuud.exe
Size 380KB
SHA256 a5e0a8d94d854de7b2c94d4b196449ecfae16dfde2d917ed1cc9cb7726069a40
MD5 91176af73e5f4c5c01e6c8ce88a481a0
SHA1 e5349d540c50972802e1825c1c3dd68002f7e8b8
SHA512 7c5ddfb8d279eadfbc594d916a359269cc43dd4b17b11e0a4f9562b33adb09416aab7de6a0341c3dff1bc380f2f3e06bfa390e531322b3a6a6e2edaf871bcf70
SSDEEP 6144:XBPegtXz3z9PCY8Xv1LFMirYsy91ymlgl0KOqG1PF:XBPTpz9PCYi1LyimyWglHBG
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 380KB
SHA256 a5e0a8d94d854de7b2c94d4b196449ecfae16dfde2d917ed1cc9cb7726069a40
MD5 91176af73e5f4c5c01e6c8ce88a481a0
SHA1 e5349d540c50972802e1825c1c3dd68002f7e8b8
SHA512 7c5ddfb8d279eadfbc594d916a359269cc43dd4b17b11e0a4f9562b33adb09416aab7de6a0341c3dff1bc380f2f3e06bfa390e531322b3a6a6e2edaf871bcf70
SSDEEP 6144:XBPegtXz3z9PCY8Xv1LFMirYsy91ymlgl0KOqG1PF:XBPTpz9PCYi1LyimyWglHBG
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 380KB
SHA256 a5e0a8d94d854de7b2c94d4b196449ecfae16dfde2d917ed1cc9cb7726069a40
MD5 91176af73e5f4c5c01e6c8ce88a481a0
SHA1 e5349d540c50972802e1825c1c3dd68002f7e8b8
SHA512 7c5ddfb8d279eadfbc594d916a359269cc43dd4b17b11e0a4f9562b33adb09416aab7de6a0341c3dff1bc380f2f3e06bfa390e531322b3a6a6e2edaf871bcf70
SSDEEP 6144:XBPegtXz3z9PCY8Xv1LFMirYsy91ymlgl0KOqG1PF:XBPTpz9PCYi1LyimyWglHBG
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 380KB
SHA256 a5e0a8d94d854de7b2c94d4b196449ecfae16dfde2d917ed1cc9cb7726069a40
MD5 91176af73e5f4c5c01e6c8ce88a481a0
SHA1 e5349d540c50972802e1825c1c3dd68002f7e8b8
SHA512 7c5ddfb8d279eadfbc594d916a359269cc43dd4b17b11e0a4f9562b33adb09416aab7de6a0341c3dff1bc380f2f3e06bfa390e531322b3a6a6e2edaf871bcf70
SSDEEP 6144:XBPegtXz3z9PCY8Xv1LFMirYsy91ymlgl0KOqG1PF:XBPTpz9PCYi1LyimyWglHBG
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
Size 126KB
SHA256 104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
MD5 aebf8cd9ea982decded5ee6f3777c6d7
SHA1 406e723158cd5697503d1d04839d3bc7a5051603
SHA512 f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981
SSDEEP 3072:ox7pOYzBekuOmWDWCMq6As523HeS9FAiZ87vO2rlL3Rn+9:ox7ZNhH/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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cred64.dll

Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
Size 126KB
SHA256 104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
MD5 aebf8cd9ea982decded5ee6f3777c6d7
SHA1 406e723158cd5697503d1d04839d3bc7a5051603
SHA512 f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981
SSDEEP 3072:ox7pOYzBekuOmWDWCMq6As523HeS9FAiZ87vO2rlL3Rn+9:ox7ZNhH/dMq6AO0a7vVlT
MD5 SHA1 SHA512 SSDEEP

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memory/2192-154-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/2192-153-0x0000000000764000-0x0000000000783000-memory.dmp

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memory/2380-143-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/2380-132-0x00000000006B3000-0x00000000006D2000-memory.dmp

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memory/2380-142-0x00000000006B3000-0x00000000006D2000-memory.dmp

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memory/2380-134-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/2380-133-0x00000000001C0000-0x00000000001FE000-memory.dmp

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memory/3360-144-0x0000000000470000-0x0000000000570000-memory.dmp

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memory/3360-145-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/3360-140-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/3360-139-0x0000000000470000-0x0000000000570000-memory.dmp

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memory/4276-150-0x0000000000584000-0x00000000005A3000-memory.dmp

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memory/4276-151-0x0000000000400000-0x0000000000464000-memory.dmp

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