amadey | 7fe4df106cfa644d70167441ff7977fce0a5cc7aeeccd566747eb43763658682

Analysis

max time kernel
145s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 11:11

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General

Target
file.exe
Size 417KB
Sample221206-m99kmscb79
SHA256 7fe4df106cfa644d70167441ff7977fce0a5cc7aeeccd566747eb43763658682
MD5 7d187f80d2c1ea95ae09681101bb2c48
SHA1 c3adff1e06c46369dc5bae1c49711e6dac85a059
SHA512 189ed5def49ea5188d125e0e077672b39ae2956b620d481071954db6aa8aaa8129a405ca1a20ee919ec03f61080f028f53a91f4f2f71857778b03d98368a3498
SSDEEP 6144:tzKyBALVfM5lbGVAwpcemiWWs2UFoyig2RPMk:t2yepfM5lCVAWc2WWs26oyz2
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/0x000b000000022ded-148.dat	amadey_cred_module
behavioral2/files/0x000b000000022ded-149.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
21	936	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
1960	gntuud.exe
620	gntuud.exe
220	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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 1 IoCs

pid	Process
936	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-1-5-21-2629973501-4017243118-3254762364-1000\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
2096	3668	WerFault.exe	77
1860	620	WerFault.exe	85
3184	220	WerFault.exe	89

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
1092	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
936	rundll32.exe
936	rundll32.exe
936	rundll32.exe
936	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 1960	3668	file.exe	78
PID 3668 wrote to memory of 1960	3668	file.exe	78
PID 3668 wrote to memory of 1960	3668	file.exe	78
PID 1960 wrote to memory of 1092	1960	gntuud.exe	82
PID 1960 wrote to memory of 1092	1960	gntuud.exe	82
PID 1960 wrote to memory of 1092	1960	gntuud.exe	82
PID 1960 wrote to memory of 936	1960	gntuud.exe	88
PID 1960 wrote to memory of 936	1960	gntuud.exe	88
PID 1960 wrote to memory of 936	1960	gntuud.exe	88

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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:3668
- 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:1960
- - 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:1092
- - 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:936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 880
  2⤵
  - Program crash
  PID:2096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3668 -ip 3668
1⤵
PID:4820

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 420
  2⤵
  - Program crash
  PID:1860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 620 -ip 620
1⤵
PID:732

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 416
  2⤵
  - Program crash
  PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 220 -ip 220
1⤵
PID:4420

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 417KB
SHA256 7fe4df106cfa644d70167441ff7977fce0a5cc7aeeccd566747eb43763658682
MD5 7d187f80d2c1ea95ae09681101bb2c48
SHA1 c3adff1e06c46369dc5bae1c49711e6dac85a059
SHA512 189ed5def49ea5188d125e0e077672b39ae2956b620d481071954db6aa8aaa8129a405ca1a20ee919ec03f61080f028f53a91f4f2f71857778b03d98368a3498
SSDEEP 6144:tzKyBALVfM5lbGVAwpcemiWWs2UFoyig2RPMk:t2yepfM5lCVAWc2WWs26oyz2
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 417KB
SHA256 7fe4df106cfa644d70167441ff7977fce0a5cc7aeeccd566747eb43763658682
MD5 7d187f80d2c1ea95ae09681101bb2c48
SHA1 c3adff1e06c46369dc5bae1c49711e6dac85a059
SHA512 189ed5def49ea5188d125e0e077672b39ae2956b620d481071954db6aa8aaa8129a405ca1a20ee919ec03f61080f028f53a91f4f2f71857778b03d98368a3498
SSDEEP 6144:tzKyBALVfM5lbGVAwpcemiWWs2UFoyig2RPMk:t2yepfM5lCVAWc2WWs26oyz2
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 417KB
SHA256 7fe4df106cfa644d70167441ff7977fce0a5cc7aeeccd566747eb43763658682
MD5 7d187f80d2c1ea95ae09681101bb2c48
SHA1 c3adff1e06c46369dc5bae1c49711e6dac85a059
SHA512 189ed5def49ea5188d125e0e077672b39ae2956b620d481071954db6aa8aaa8129a405ca1a20ee919ec03f61080f028f53a91f4f2f71857778b03d98368a3498
SSDEEP 6144:tzKyBALVfM5lbGVAwpcemiWWs2UFoyig2RPMk:t2yepfM5lCVAWc2WWs26oyz2
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 417KB
SHA256 7fe4df106cfa644d70167441ff7977fce0a5cc7aeeccd566747eb43763658682
MD5 7d187f80d2c1ea95ae09681101bb2c48
SHA1 c3adff1e06c46369dc5bae1c49711e6dac85a059
SHA512 189ed5def49ea5188d125e0e077672b39ae2956b620d481071954db6aa8aaa8129a405ca1a20ee919ec03f61080f028f53a91f4f2f71857778b03d98368a3498
SSDEEP 6144:tzKyBALVfM5lbGVAwpcemiWWs2UFoyig2RPMk:t2yepfM5lCVAWc2WWs26oyz2
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

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

Submit Download

memory/220-152-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/220-151-0x00000000006E4000-0x0000000000703000-memory.dmp

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memory/620-146-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/620-145-0x00000000007A4000-0x00000000007C3000-memory.dmp

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memory/1960-143-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/1960-142-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/1960-141-0x0000000000503000-0x0000000000522000-memory.dmp

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memory/3668-133-0x00000000001C0000-0x00000000001FE000-memory.dmp

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memory/3668-139-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/3668-138-0x00000000006A3000-0x00000000006C2000-memory.dmp

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memory/3668-134-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/3668-132-0x00000000006A3000-0x00000000006C2000-memory.dmp

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