amadey | 32b669ab944868420ff7616b4ceae3cbb64dd60095d82f65dce686c03e1eebec

Analysis

max time kernel
101s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 17:13

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General

Target
c529a9e422cf754acb1800b5fd7a4ad3.exe
Size 243KB
Sample221202-vrfhvaca2s
SHA256 32b669ab944868420ff7616b4ceae3cbb64dd60095d82f65dce686c03e1eebec
MD5 c529a9e422cf754acb1800b5fd7a4ad3
SHA1 349c69f81220b1aef97a1d278ad11e938b38ef7f
SHA512 11509fd7ab4ec08bd757c3185cbbb8e3182b08fd6b012022166daec3584cc92637452aa3968c977b36f47f10b4b78aa1e81b1627364eb3217729cae036d0b4ee
SSDEEP 6144:JXQgj7QOzquO5XeMuWeli9Oak2AOEahR7:6OOuNb/l/aLTE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

3.50

62.204.41.252/nB8cWack3/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/0x000f000000022e5b-149.dat	amadey_cred_module
behavioral2/files/0x000f000000022e5b-150.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
38	988	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
1088	gntuud.exe
640	gntuud.exe
1304	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	c529a9e422cf754acb1800b5fd7a4ad3.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
988	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 3 IoCs

pid	pid_target	Process	procid_target
2404	3868	WerFault.exe	80
3540	640	WerFault.exe	95
2060	1304	WerFault.exe	99

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
4028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3868 wrote to memory of 1088	3868	c529a9e422cf754acb1800b5fd7a4ad3.exe	81
PID 3868 wrote to memory of 1088	3868	c529a9e422cf754acb1800b5fd7a4ad3.exe	81
PID 3868 wrote to memory of 1088	3868	c529a9e422cf754acb1800b5fd7a4ad3.exe	81
PID 1088 wrote to memory of 4028	1088	gntuud.exe	85
PID 1088 wrote to memory of 4028	1088	gntuud.exe	85
PID 1088 wrote to memory of 4028	1088	gntuud.exe	85
PID 1088 wrote to memory of 988	1088	gntuud.exe	98
PID 1088 wrote to memory of 988	1088	gntuud.exe	98
PID 1088 wrote to memory of 988	1088	gntuud.exe	98

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\c529a9e422cf754acb1800b5fd7a4ad3.exe
"C:\Users\Admin\AppData\Local\Temp\c529a9e422cf754acb1800b5fd7a4ad3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3868
- C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
  "C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1088
- - 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\99e342142d\gntuud.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:4028
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - outlook_win_path
    PID:988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 908
  2⤵
  - Program crash
  PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3868 -ip 3868
1⤵
PID:3172

C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
1⤵
- Executes dropped EXE
PID:640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 428
  2⤵
  - Program crash
  PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 640 -ip 640
1⤵
PID:1844

C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
1⤵
- Executes dropped EXE
PID:1304
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 416
  2⤵
  - Program crash
  PID:2060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1304 -ip 1304
1⤵
PID:1148

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\99e342142d\gntuud.exe
Size 243KB
SHA256 32b669ab944868420ff7616b4ceae3cbb64dd60095d82f65dce686c03e1eebec
MD5 c529a9e422cf754acb1800b5fd7a4ad3
SHA1 349c69f81220b1aef97a1d278ad11e938b38ef7f
SHA512 11509fd7ab4ec08bd757c3185cbbb8e3182b08fd6b012022166daec3584cc92637452aa3968c977b36f47f10b4b78aa1e81b1627364eb3217729cae036d0b4ee
SSDEEP 6144:JXQgj7QOzquO5XeMuWeli9Oak2AOEahR7:6OOuNb/l/aLTE
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
Size 243KB
SHA256 32b669ab944868420ff7616b4ceae3cbb64dd60095d82f65dce686c03e1eebec
MD5 c529a9e422cf754acb1800b5fd7a4ad3
SHA1 349c69f81220b1aef97a1d278ad11e938b38ef7f
SHA512 11509fd7ab4ec08bd757c3185cbbb8e3182b08fd6b012022166daec3584cc92637452aa3968c977b36f47f10b4b78aa1e81b1627364eb3217729cae036d0b4ee
SSDEEP 6144:JXQgj7QOzquO5XeMuWeli9Oak2AOEahR7:6OOuNb/l/aLTE
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
Size 243KB
SHA256 32b669ab944868420ff7616b4ceae3cbb64dd60095d82f65dce686c03e1eebec
MD5 c529a9e422cf754acb1800b5fd7a4ad3
SHA1 349c69f81220b1aef97a1d278ad11e938b38ef7f
SHA512 11509fd7ab4ec08bd757c3185cbbb8e3182b08fd6b012022166daec3584cc92637452aa3968c977b36f47f10b4b78aa1e81b1627364eb3217729cae036d0b4ee
SSDEEP 6144:JXQgj7QOzquO5XeMuWeli9Oak2AOEahR7:6OOuNb/l/aLTE
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe
Size 243KB
SHA256 32b669ab944868420ff7616b4ceae3cbb64dd60095d82f65dce686c03e1eebec
MD5 c529a9e422cf754acb1800b5fd7a4ad3
SHA1 349c69f81220b1aef97a1d278ad11e938b38ef7f
SHA512 11509fd7ab4ec08bd757c3185cbbb8e3182b08fd6b012022166daec3584cc92637452aa3968c977b36f47f10b4b78aa1e81b1627364eb3217729cae036d0b4ee
SSDEEP 6144:JXQgj7QOzquO5XeMuWeli9Oak2AOEahR7:6OOuNb/l/aLTE
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
Size 126KB
SHA256 fea6ecd2a63044cc6be256142021fc91564c2ae1705620efc2fe6a3f4e265689
MD5 d3cb6267ee9076d5aef4a2dbe0d815c8
SHA1 840218680463914d50509ed6d7858e328fc8a54c
SHA512 4c10709ae5288dae7d297beecca29b7700e2926787941139e81c61eb4ad0790152991d7447c4243891c51115f5a9dd43b4c0e7dd0f9dfdbe1cc466fbe9f3841a
SSDEEP 3072:Yx7pOYzBekk3tiINwyP7XSSJds3zhrjPcnqULv4S9:Yx7ZNhk3vwyOztPc3L
MD5 SHA1 SHA512 SSDEEP

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cred64.dll

Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
Size 126KB
SHA256 fea6ecd2a63044cc6be256142021fc91564c2ae1705620efc2fe6a3f4e265689
MD5 d3cb6267ee9076d5aef4a2dbe0d815c8
SHA1 840218680463914d50509ed6d7858e328fc8a54c
SHA512 4c10709ae5288dae7d297beecca29b7700e2926787941139e81c61eb4ad0790152991d7447c4243891c51115f5a9dd43b4c0e7dd0f9dfdbe1cc466fbe9f3841a
SSDEEP 3072:Yx7pOYzBekk3tiINwyP7XSSJds3zhrjPcnqULv4S9:Yx7ZNhk3vwyOztPc3L
MD5 SHA1 SHA512 SSDEEP

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memory/640-147-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/640-146-0x00000000005BC000-0x00000000005DB000-memory.dmp

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memory/1088-138-0x0000000000548000-0x0000000000567000-memory.dmp

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memory/1088-143-0x0000000000548000-0x0000000000567000-memory.dmp

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memory/1088-144-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/1088-139-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/1304-152-0x000000000064C000-0x000000000066B000-memory.dmp

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memory/1304-153-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/3868-142-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/3868-141-0x0000000000608000-0x0000000000627000-memory.dmp

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memory/3868-132-0x0000000000608000-0x0000000000627000-memory.dmp

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memory/3868-134-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/3868-133-0x0000000002090000-0x00000000020CE000-memory.dmp

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