amadey | d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03

Analysis

max time kernel
171s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 14:38

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General

Target

d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03.exe
Size

318KB
MD5

a5ece60f009b50f3cb7f1a04896807a8
SHA1

ffb47ccb51f598bbfba94fa17a72e04d3eeda9b6
SHA256

d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03
SHA512

b591115fa72d550b4f144d7c7beb0178d7fc50f04218f3376cf7a766d490d322901ed10f9c4bea11f2eaf9f4fafdeed09d9ea8e5ffd43704c7c9e9929693a4f6
SSDEEP

6144:xFxWT7IhVAoyZNHnNjdR7uTSK6ku/URh02ske2U:xFAT7IhVAtZNW6ErPOd

Score

10^/10

amadey redline nash collection infostealer persistence spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

3.50

31.41.244.167/v7eWcjs/index.php

Extracted

Family

redline

Botnet

Nash

31.41.244.14:4694

Attributes

auth_value
06b453aa751ccf8d7fad0602d3d70d22

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey

Detect Amadey credential stealer module 4 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll	amadey_cred_module
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll	amadey_cred_module
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll	amadey_cred_module
behavioral1/memory/4292-168-0x00000000003C0000-0x00000000003E4000-memory.dmp	amadey_cred_module

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

42 4292 rundll32.exe
Downloads MZ/PE file
Executes dropped EXE 5 IoCs

Processes:

gntuud.exeanon.exenash.exegntuud.exegntuud.exe

pid process

3732 gntuud.exe
3452 anon.exe
2476 nash.exe
4964 gntuud.exe
1820 gntuud.exe

flow	pid	process
42	4292	rundll32.exe

pid	process
3732	gntuud.exe
3452	anon.exe
2476	nash.exe
4964	gntuud.exe
1820	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

Processes:

d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03.exegntuud.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 2 IoCs

Processes:

rundll32.exe

pid process

4292 rundll32.exe
4292 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

pid	process
4292	rundll32.exe
4292	rundll32.exe

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

gntuud.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\anon.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000010001\\anon.exe"	gntuud.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nash.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000011001\\nash.exe"	gntuud.exe

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{A8A8D1E2-3EC8-45A0-A4E3-71E4A8D27F2D}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{35C8F957-4FA6-4BB7-95AA-02A72D1DB9E8}.catalogItem	svchost.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

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
2976	1404	WerFault.exe	d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03.exe
4112	4964	WerFault.exe	gntuud.exe
1516	1820	WerFault.exe	gntuud.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

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

Processes:

schtasks.exe

pid process

3476 schtasks.exe

pid	process
3476	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exe

pid process

4292 rundll32.exe
4292 rundll32.exe
4292 rundll32.exe
4292 rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

anon.exe

description pid process

Token: SeDebugPrivilege 3452 anon.exe

pid	process
4292	rundll32.exe
4292	rundll32.exe
4292	rundll32.exe
4292	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	3452	anon.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03.exegntuud.exe

description	pid	process	target process
PID 1404 wrote to memory of 3732	1404	d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03.exe	gntuud.exe
PID 1404 wrote to memory of 3732	1404	d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03.exe	gntuud.exe
PID 1404 wrote to memory of 3732	1404	d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03.exe	gntuud.exe
PID 3732 wrote to memory of 3476	3732	gntuud.exe	schtasks.exe
PID 3732 wrote to memory of 3476	3732	gntuud.exe	schtasks.exe
PID 3732 wrote to memory of 3476	3732	gntuud.exe	schtasks.exe
PID 3732 wrote to memory of 3452	3732	gntuud.exe	anon.exe
PID 3732 wrote to memory of 3452	3732	gntuud.exe	anon.exe
PID 3732 wrote to memory of 3452	3732	gntuud.exe	anon.exe
PID 3732 wrote to memory of 2476	3732	gntuud.exe	nash.exe
PID 3732 wrote to memory of 2476	3732	gntuud.exe	nash.exe
PID 3732 wrote to memory of 2476	3732	gntuud.exe	nash.exe
PID 3732 wrote to memory of 4292	3732	gntuud.exe	rundll32.exe
PID 3732 wrote to memory of 4292	3732	gntuud.exe	rundll32.exe
PID 3732 wrote to memory of 4292	3732	gntuud.exe	rundll32.exe

outlook_win_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03.exe
"C:\Users\Admin\AppData\Local\Temp\d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1404

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
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3732

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:3476

C:\Users\Admin\AppData\Local\Temp\1000010001\anon.exe
"C:\Users\Admin\AppData\Local\Temp\1000010001\anon.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3452

C:\Users\Admin\AppData\Local\Temp\1000011001\nash.exe
"C:\Users\Admin\AppData\Local\Temp\1000011001\nash.exe"
3⤵
- Executes dropped EXE
PID:2476

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:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 1136
2⤵
- Program crash
PID:2976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1404 -ip 1404
1⤵
PID:3096

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 416
2⤵
- Program crash
PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4964 -ip 4964
1⤵
PID:2224

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4680

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:1820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 424
2⤵
- Program crash
PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 1820 -ip 1820
1⤵
PID:2028

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1000010001\anon.exe
Filesize
330KB

MD5
0da15cc2749e7117722946f24f941a52

SHA1
466f5d7208af46d10a33efb50235099024ba9d8b

SHA256
d510a346e59953f8015eb4f8f014896f25255f28a924a749d54152ebb6cfe4df

SHA512
e2af593a8babe932d62b2b8f83f55037f31d8650d140b4b839ff3a5f2220d243e4a5e526065f90b8516db73f7fce6ae53f6c76083c4bdf6335c1ec527fea8000

Download Submit
C:\Users\Admin\AppData\Local\Temp\1000010001\anon.exe
Filesize
330KB

MD5
0da15cc2749e7117722946f24f941a52

SHA1
466f5d7208af46d10a33efb50235099024ba9d8b

SHA256
d510a346e59953f8015eb4f8f014896f25255f28a924a749d54152ebb6cfe4df

SHA512
e2af593a8babe932d62b2b8f83f55037f31d8650d140b4b839ff3a5f2220d243e4a5e526065f90b8516db73f7fce6ae53f6c76083c4bdf6335c1ec527fea8000

Download Submit
C:\Users\Admin\AppData\Local\Temp\1000011001\nash.exe
Filesize
175KB

MD5
7b45504155ba2a5803695db69ed8bb9c

SHA1
a680041b7ccdef23f215573af1c2cb4074a2146a

SHA256
b8bc2fc261f777aa1a5d62ed1360c69e4381724e99d0ee77a811d8be9564a519

SHA512
d49f4e6380ae7faf4c9f02d20ce5945414ddd537f6f43bd2c0dc5e35119b9365c9b23abbf5a240baf28a41d286cbce2a7e06604fa30175de9a0939d810ecb2a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\1000011001\nash.exe
Filesize
175KB

MD5
7b45504155ba2a5803695db69ed8bb9c

SHA1
a680041b7ccdef23f215573af1c2cb4074a2146a

SHA256
b8bc2fc261f777aa1a5d62ed1360c69e4381724e99d0ee77a811d8be9564a519

SHA512
d49f4e6380ae7faf4c9f02d20ce5945414ddd537f6f43bd2c0dc5e35119b9365c9b23abbf5a240baf28a41d286cbce2a7e06604fa30175de9a0939d810ecb2a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Filesize
318KB

MD5
a5ece60f009b50f3cb7f1a04896807a8

SHA1
ffb47ccb51f598bbfba94fa17a72e04d3eeda9b6

SHA256
d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03

SHA512
b591115fa72d550b4f144d7c7beb0178d7fc50f04218f3376cf7a766d490d322901ed10f9c4bea11f2eaf9f4fafdeed09d9ea8e5ffd43704c7c9e9929693a4f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Filesize
318KB

MD5
a5ece60f009b50f3cb7f1a04896807a8

SHA1
ffb47ccb51f598bbfba94fa17a72e04d3eeda9b6

SHA256
d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03

SHA512
b591115fa72d550b4f144d7c7beb0178d7fc50f04218f3376cf7a766d490d322901ed10f9c4bea11f2eaf9f4fafdeed09d9ea8e5ffd43704c7c9e9929693a4f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Filesize
318KB

MD5
a5ece60f009b50f3cb7f1a04896807a8

SHA1
ffb47ccb51f598bbfba94fa17a72e04d3eeda9b6

SHA256
d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03

SHA512
b591115fa72d550b4f144d7c7beb0178d7fc50f04218f3376cf7a766d490d322901ed10f9c4bea11f2eaf9f4fafdeed09d9ea8e5ffd43704c7c9e9929693a4f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Filesize
318KB

MD5
a5ece60f009b50f3cb7f1a04896807a8

SHA1
ffb47ccb51f598bbfba94fa17a72e04d3eeda9b6

SHA256
d8898bde1e91d7f6e7f5bbd03e68a5ff71a300ace710bcc16afcc6e1367dbd03

SHA512
b591115fa72d550b4f144d7c7beb0178d7fc50f04218f3376cf7a766d490d322901ed10f9c4bea11f2eaf9f4fafdeed09d9ea8e5ffd43704c7c9e9929693a4f6

Download Submit
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
Filesize
126KB

MD5
aebf8cd9ea982decded5ee6f3777c6d7

SHA1
406e723158cd5697503d1d04839d3bc7a5051603

SHA256
104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62

SHA512
f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981

Download Submit
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
Filesize
126KB

MD5
aebf8cd9ea982decded5ee6f3777c6d7

SHA1
406e723158cd5697503d1d04839d3bc7a5051603

SHA256
104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62

SHA512
f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981

Download Submit
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
Filesize
126KB

MD5
aebf8cd9ea982decded5ee6f3777c6d7

SHA1
406e723158cd5697503d1d04839d3bc7a5051603

SHA256
104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62

SHA512
f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981

Download Submit
memory/1404-133-0x00000000006D0000-0x000000000070E000-memory.dmp

Filesize
248KB

Download
memory/1404-137-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1404-132-0x0000000000778000-0x0000000000797000-memory.dmp

Filesize
124KB

Download
memory/1404-163-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1404-136-0x00000000006D0000-0x000000000070E000-memory.dmp

Filesize
248KB

Download
memory/1404-135-0x0000000000778000-0x0000000000797000-memory.dmp

Filesize
124KB

Download
memory/1404-134-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1404-162-0x0000000000778000-0x0000000000797000-memory.dmp

Filesize
124KB

Download
memory/1820-174-0x000000000052C000-0x000000000054B000-memory.dmp

Filesize
124KB

Download
memory/1820-175-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2476-159-0x0000000000660000-0x0000000000692000-memory.dmp

Filesize
200KB

Download
memory/2476-171-0x00000000052A0000-0x00000000052B2000-memory.dmp

Filesize
72KB

Download
memory/2476-151-0x0000000000000000-mapping.dmp

Download
memory/3452-149-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3452-169-0x00000000055D0000-0x0000000005BE8000-memory.dmp

Filesize
6.1MB

Download
memory/3452-158-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3452-144-0x0000000000000000-mapping.dmp

Download
memory/3452-160-0x0000000004D80000-0x0000000005324000-memory.dmp

Filesize
5.6MB

Download
memory/3452-161-0x0000000004BE0000-0x0000000004C72000-memory.dmp

Filesize
584KB

Download
memory/3452-172-0x0000000005D00000-0x0000000005D3C000-memory.dmp

Filesize
240KB

Download
memory/3452-170-0x0000000005BF0000-0x0000000005CFA000-memory.dmp

Filesize
1.0MB

Download
memory/3452-157-0x00000000006A8000-0x00000000006D9000-memory.dmp

Filesize
196KB

Download
memory/3452-147-0x00000000006A8000-0x00000000006D9000-memory.dmp

Filesize
196KB

Download
memory/3452-148-0x00000000005E0000-0x000000000061E000-memory.dmp

Filesize
248KB

Download
memory/3476-143-0x0000000000000000-mapping.dmp

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memory/3732-141-0x0000000000698000-0x00000000006B7000-memory.dmp

Filesize
124KB

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memory/3732-150-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

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memory/3732-138-0x0000000000000000-mapping.dmp

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memory/3732-142-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

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memory/4292-168-0x00000000003C0000-0x00000000003E4000-memory.dmp

Filesize
144KB

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memory/4292-164-0x0000000000000000-mapping.dmp

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memory/4964-155-0x000000000063C000-0x000000000065B000-memory.dmp

Filesize
124KB

Download
memory/4964-156-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

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