amadey | 03a20a50d7c2d93ef7e22355a1d0244e795d1a0d67d211b6e24451823608e443

Analysis

max time kernel
111s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 02:02

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General

Target
file.exe
Size 331KB
Sample221206-cf43ysgc45
SHA256 03a20a50d7c2d93ef7e22355a1d0244e795d1a0d67d211b6e24451823608e443
MD5 4f574fc271a929d588d132559039a444
SHA1 831e5c9bdb1f02bcd8e99047df194f0c4aecf080
SHA512 1415ce833a08ec30d893155556f87fc27748bc73e3b3dfcc7b48244d73fcc2cf0a680ee34ce5938ea05901b32e66e764ea806ca15578d60cd9b24235e11298cb
SSDEEP 6144:kZDnH1LIv8PF2ykp9ubIvYcVhoL+LUNquyIDcidVS:kZDH1EuSvjLADcidVS
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/0x001c000000022e0f-151.dat	amadey_cred_module
behavioral2/files/0x001c000000022e0f-152.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
37	4368	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
3032	gntuud.exe
952	gntuud.exe
1824	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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	gntuud.exe

Loads dropped DLL 1 IoCs

pid	Process
4368	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-1-5-21-929662420-1054238289-2961194603-1000\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 13 IoCs

pid	pid_target	Process	procid_target
5096	4844	WerFault.exe	80
2284	4844	WerFault.exe	80
2064	4844	WerFault.exe	80
2092	952	WerFault.exe	92
3732	952	WerFault.exe	92
5088	952	WerFault.exe	92
4924	952	WerFault.exe	92
4048	952	WerFault.exe	92
5012	1824	WerFault.exe	110
4524	1824	WerFault.exe	110
1212	1824	WerFault.exe	110
3568	1824	WerFault.exe	110
3596	1824	WerFault.exe	110

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
4744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4368	rundll32.exe
4368	rundll32.exe
4368	rundll32.exe
4368	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 3032	4844	file.exe	81
PID 4844 wrote to memory of 3032	4844	file.exe	81
PID 4844 wrote to memory of 3032	4844	file.exe	81
PID 3032 wrote to memory of 4744	3032	gntuud.exe	84
PID 3032 wrote to memory of 4744	3032	gntuud.exe	84
PID 3032 wrote to memory of 4744	3032	gntuud.exe	84
PID 3032 wrote to memory of 4368	3032	gntuud.exe	103
PID 3032 wrote to memory of 4368	3032	gntuud.exe	103
PID 3032 wrote to memory of 4368	3032	gntuud.exe	103

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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:4844
- 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:3032
- - 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:4744
- - 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:4368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 1304
  2⤵
  - Program crash
  PID:5096
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 1312
  2⤵
  - Program crash
  PID:2284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 1308
  2⤵
  - Program crash
  PID:2064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4844 -ip 4844
1⤵
PID:540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 4844 -ip 4844
1⤵
PID:2744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4844 -ip 4844
1⤵
PID:3628

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 536
  2⤵
  - Program crash
  PID:2092
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 544
  2⤵
  - Program crash
  PID:3732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 796
  2⤵
  - Program crash
  PID:5088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 816
  2⤵
  - Program crash
  PID:4924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 840
  2⤵
  - Program crash
  PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 952 -ip 952
1⤵
PID:2280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 952 -ip 952
1⤵
PID:924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 952 -ip 952
1⤵
PID:1828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 952 -ip 952
1⤵
PID:1832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 952 -ip 952
1⤵
PID:1988

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:1824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 540
  2⤵
  - Program crash
  PID:5012
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 548
  2⤵
  - Program crash
  PID:4524
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 796
  2⤵
  - Program crash
  PID:1212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 804
  2⤵
  - Program crash
  PID:3568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 812
  2⤵
  - Program crash
  PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1824 -ip 1824
1⤵
PID:3560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1824 -ip 1824
1⤵
PID:4408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1824 -ip 1824
1⤵
PID:3088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 1824 -ip 1824
1⤵
PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 1824 -ip 1824
1⤵
PID:3000

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 331KB
SHA256 03a20a50d7c2d93ef7e22355a1d0244e795d1a0d67d211b6e24451823608e443
MD5 4f574fc271a929d588d132559039a444
SHA1 831e5c9bdb1f02bcd8e99047df194f0c4aecf080
SHA512 1415ce833a08ec30d893155556f87fc27748bc73e3b3dfcc7b48244d73fcc2cf0a680ee34ce5938ea05901b32e66e764ea806ca15578d60cd9b24235e11298cb
SSDEEP 6144:kZDnH1LIv8PF2ykp9ubIvYcVhoL+LUNquyIDcidVS:kZDH1EuSvjLADcidVS
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 331KB
SHA256 03a20a50d7c2d93ef7e22355a1d0244e795d1a0d67d211b6e24451823608e443
MD5 4f574fc271a929d588d132559039a444
SHA1 831e5c9bdb1f02bcd8e99047df194f0c4aecf080
SHA512 1415ce833a08ec30d893155556f87fc27748bc73e3b3dfcc7b48244d73fcc2cf0a680ee34ce5938ea05901b32e66e764ea806ca15578d60cd9b24235e11298cb
SSDEEP 6144:kZDnH1LIv8PF2ykp9ubIvYcVhoL+LUNquyIDcidVS:kZDH1EuSvjLADcidVS
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 331KB
SHA256 03a20a50d7c2d93ef7e22355a1d0244e795d1a0d67d211b6e24451823608e443
MD5 4f574fc271a929d588d132559039a444
SHA1 831e5c9bdb1f02bcd8e99047df194f0c4aecf080
SHA512 1415ce833a08ec30d893155556f87fc27748bc73e3b3dfcc7b48244d73fcc2cf0a680ee34ce5938ea05901b32e66e764ea806ca15578d60cd9b24235e11298cb
SSDEEP 6144:kZDnH1LIv8PF2ykp9ubIvYcVhoL+LUNquyIDcidVS:kZDH1EuSvjLADcidVS
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 331KB
SHA256 03a20a50d7c2d93ef7e22355a1d0244e795d1a0d67d211b6e24451823608e443
MD5 4f574fc271a929d588d132559039a444
SHA1 831e5c9bdb1f02bcd8e99047df194f0c4aecf080
SHA512 1415ce833a08ec30d893155556f87fc27748bc73e3b3dfcc7b48244d73fcc2cf0a680ee34ce5938ea05901b32e66e764ea806ca15578d60cd9b24235e11298cb
SSDEEP 6144:kZDnH1LIv8PF2ykp9ubIvYcVhoL+LUNquyIDcidVS:kZDH1EuSvjLADcidVS
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/952-149-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/952-148-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/952-147-0x0000000000480000-0x0000000000580000-memory.dmp

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memory/1824-156-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/1824-155-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/1824-154-0x000000000066C000-0x000000000068A000-memory.dmp

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memory/3032-144-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/3032-143-0x0000000000658000-0x0000000000677000-memory.dmp

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memory/3032-140-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/3032-139-0x0000000000658000-0x0000000000677000-memory.dmp

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memory/4844-132-0x0000000000739000-0x0000000000758000-memory.dmp

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memory/4844-142-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/4844-141-0x0000000000739000-0x0000000000758000-memory.dmp

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memory/4844-134-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/4844-133-0x00000000021C0000-0x00000000021FE000-memory.dmp

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