amadey | 39437a6ab4a870c305ec8e6877bfc3837ee2d50006c707f723df0efb11bede31

Analysis

max time kernel
103s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
08/12/2022, 12:53

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General

Target
file.exe
Size 322KB
Sample221208-p4mj2aaa73
SHA256 39437a6ab4a870c305ec8e6877bfc3837ee2d50006c707f723df0efb11bede31
MD5 50edcd01d8c798f1056590db619f179a
SHA1 6ce55a630d9ca6100bb220ccbcf76c986c5a4a8a
SHA512 9a1ee224b576a00f75b111e2426b71950b2e24eb725c16071c292390fab48a24b668b53da4445f026de22ee5c3f2fbbf5863c51db23e3a34052c3236eb16c6a7
SSDEEP 6144:tWxeB2t7L2zAnr8hH52/r8uMrNpdVQSqb9ODnxm:taeB2tXj8N52aNxYh
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

3.50

31.41.244.237/jg94cVd30f/index.php

Signatures

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

Detect Amadey credential stealer module 4 IoCs

resource	yara_rule
behavioral2/files/0x0006000000022e02-154.dat	amadey_cred_module
behavioral2/files/0x0006000000022e02-155.dat	amadey_cred_module
behavioral2/files/0x0006000000022e02-156.dat	amadey_cred_module
behavioral2/memory/3548-157-0x0000000000B20000-0x0000000000B44000-memory.dmp	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
41	3548	rundll32.exe

Executes dropped EXE 3 IoCs

pid	Process
2160	gntuud.exe
3904	gntuud.exe
3120	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 2 IoCs

pid	Process
3548	rundll32.exe
3548	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
4540	5036	WerFault.exe	81
2936	3904	WerFault.exe	97
3760	3120	WerFault.exe	107

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
4880	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3548	rundll32.exe
3548	rundll32.exe
3548	rundll32.exe
3548	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 2160	5036	file.exe	82
PID 5036 wrote to memory of 2160	5036	file.exe	82
PID 5036 wrote to memory of 2160	5036	file.exe	82
PID 2160 wrote to memory of 4880	2160	gntuud.exe	85
PID 2160 wrote to memory of 4880	2160	gntuud.exe	85
PID 2160 wrote to memory of 4880	2160	gntuud.exe	85
PID 2160 wrote to memory of 4380	2160	gntuud.exe	87
PID 2160 wrote to memory of 4380	2160	gntuud.exe	87
PID 2160 wrote to memory of 4380	2160	gntuud.exe	87
PID 4380 wrote to memory of 1756	4380	cmd.exe	89
PID 4380 wrote to memory of 1756	4380	cmd.exe	89
PID 4380 wrote to memory of 1756	4380	cmd.exe	89
PID 4380 wrote to memory of 2720	4380	cmd.exe	90
PID 4380 wrote to memory of 2720	4380	cmd.exe	90
PID 4380 wrote to memory of 2720	4380	cmd.exe	90
PID 4380 wrote to memory of 4412	4380	cmd.exe	91
PID 4380 wrote to memory of 4412	4380	cmd.exe	91
PID 4380 wrote to memory of 4412	4380	cmd.exe	91
PID 4380 wrote to memory of 1676	4380	cmd.exe	92
PID 4380 wrote to memory of 1676	4380	cmd.exe	92
PID 4380 wrote to memory of 1676	4380	cmd.exe	92
PID 4380 wrote to memory of 4228	4380	cmd.exe	93
PID 4380 wrote to memory of 4228	4380	cmd.exe	93
PID 4380 wrote to memory of 4228	4380	cmd.exe	93
PID 4380 wrote to memory of 4632	4380	cmd.exe	94
PID 4380 wrote to memory of 4632	4380	cmd.exe	94
PID 4380 wrote to memory of 4632	4380	cmd.exe	94
PID 2160 wrote to memory of 3548	2160	gntuud.exe	104
PID 2160 wrote to memory of 3548	2160	gntuud.exe	104
PID 2160 wrote to memory of 3548	2160	gntuud.exe	104

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:5036
- C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
  "C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2160
- - 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\9c69749b54\gntuud.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:4880
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "gntuud.exe" /P "Admin:N"&&CACLS "gntuud.exe" /P "Admin:R" /E&&echo Y|CACLS "..\9c69749b54" /P "Admin:N"&&CACLS "..\9c69749b54" /P "Admin:R" /E&&Exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4380
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:1756
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:N"
      4⤵
      PID:2720
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "gntuud.exe" /P "Admin:R" /E
      4⤵
      PID:4412
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:1676
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:N"
      4⤵
      PID:4228
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "..\9c69749b54" /P "Admin:R" /E
      4⤵
      PID:4632
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - outlook_win_path
    PID:3548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 1144
  2⤵
  - Program crash
  PID:4540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5036 -ip 5036
1⤵
PID:4480

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:3904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 416
  2⤵
  - Program crash
  PID:2936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3904 -ip 3904
1⤵
PID:2484

C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
1⤵
- Executes dropped EXE
PID:3120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 416
  2⤵
  - Program crash
  PID:3760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3120 -ip 3120
1⤵
PID:2056

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\9c69749b54\gntuud.exe
Size 322KB
SHA256 39437a6ab4a870c305ec8e6877bfc3837ee2d50006c707f723df0efb11bede31
MD5 50edcd01d8c798f1056590db619f179a
SHA1 6ce55a630d9ca6100bb220ccbcf76c986c5a4a8a
SHA512 9a1ee224b576a00f75b111e2426b71950b2e24eb725c16071c292390fab48a24b668b53da4445f026de22ee5c3f2fbbf5863c51db23e3a34052c3236eb16c6a7
SSDEEP 6144:tWxeB2t7L2zAnr8hH52/r8uMrNpdVQSqb9ODnxm:taeB2tXj8N52aNxYh
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 322KB
SHA256 39437a6ab4a870c305ec8e6877bfc3837ee2d50006c707f723df0efb11bede31
MD5 50edcd01d8c798f1056590db619f179a
SHA1 6ce55a630d9ca6100bb220ccbcf76c986c5a4a8a
SHA512 9a1ee224b576a00f75b111e2426b71950b2e24eb725c16071c292390fab48a24b668b53da4445f026de22ee5c3f2fbbf5863c51db23e3a34052c3236eb16c6a7
SSDEEP 6144:tWxeB2t7L2zAnr8hH52/r8uMrNpdVQSqb9ODnxm:taeB2tXj8N52aNxYh
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 322KB
SHA256 39437a6ab4a870c305ec8e6877bfc3837ee2d50006c707f723df0efb11bede31
MD5 50edcd01d8c798f1056590db619f179a
SHA1 6ce55a630d9ca6100bb220ccbcf76c986c5a4a8a
SHA512 9a1ee224b576a00f75b111e2426b71950b2e24eb725c16071c292390fab48a24b668b53da4445f026de22ee5c3f2fbbf5863c51db23e3a34052c3236eb16c6a7
SSDEEP 6144:tWxeB2t7L2zAnr8hH52/r8uMrNpdVQSqb9ODnxm:taeB2tXj8N52aNxYh
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\9c69749b54\gntuud.exe
Size 322KB
SHA256 39437a6ab4a870c305ec8e6877bfc3837ee2d50006c707f723df0efb11bede31
MD5 50edcd01d8c798f1056590db619f179a
SHA1 6ce55a630d9ca6100bb220ccbcf76c986c5a4a8a
SHA512 9a1ee224b576a00f75b111e2426b71950b2e24eb725c16071c292390fab48a24b668b53da4445f026de22ee5c3f2fbbf5863c51db23e3a34052c3236eb16c6a7
SSDEEP 6144:tWxeB2t7L2zAnr8hH52/r8uMrNpdVQSqb9ODnxm:taeB2tXj8N52aNxYh
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
Size 126KB
SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
MD5 c0fd0167e213b6148333351bd16ed1fb
SHA1 1cfb2b42686557656dead53e02d1db3f2a848026
SHA512 d514f35e62a5380b4ad96a3e0cddf82b53b1cf273e5ac542f040f30a75efd3c246fa2194e4bb273572cd2436a435a608e2b919f6df9fa4ebbf452b0d297b0cf9
SSDEEP 3072:Yx7pOYzBek53tiINwyP7XSSJds3zhrjPcnqULv4i9:Yx7ZNh53vwyOztPc3L
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
Size 126KB
SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
MD5 c0fd0167e213b6148333351bd16ed1fb
SHA1 1cfb2b42686557656dead53e02d1db3f2a848026
SHA512 d514f35e62a5380b4ad96a3e0cddf82b53b1cf273e5ac542f040f30a75efd3c246fa2194e4bb273572cd2436a435a608e2b919f6df9fa4ebbf452b0d297b0cf9
SSDEEP 3072:Yx7pOYzBek53tiINwyP7XSSJds3zhrjPcnqULv4i9:Yx7ZNh53vwyOztPc3L
MD5 SHA1 SHA512 SSDEEP

Submit Download

cred64.dll

Path C:\Users\Admin\AppData\Roaming\85f469ce401df1\cred64.dll
Size 126KB
SHA256 c7d804e8fb096769b0e199102bdf8efa97dfae1a9b57a479819971146877368b
MD5 c0fd0167e213b6148333351bd16ed1fb
SHA1 1cfb2b42686557656dead53e02d1db3f2a848026
SHA512 d514f35e62a5380b4ad96a3e0cddf82b53b1cf273e5ac542f040f30a75efd3c246fa2194e4bb273572cd2436a435a608e2b919f6df9fa4ebbf452b0d297b0cf9
SSDEEP 3072:Yx7pOYzBek53tiINwyP7XSSJds3zhrjPcnqULv4i9:Yx7ZNh53vwyOztPc3L
MD5 SHA1 SHA512 SSDEEP

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memory/2160-145-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/2160-144-0x0000000000743000-0x0000000000762000-memory.dmp

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memory/2160-149-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/3120-159-0x0000000000514000-0x0000000000533000-memory.dmp

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memory/3120-160-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/3548-157-0x0000000000B20000-0x0000000000B44000-memory.dmp

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memory/3904-151-0x00000000005A4000-0x00000000005C3000-memory.dmp

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memory/3904-152-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/5036-132-0x0000000000723000-0x0000000000742000-memory.dmp

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memory/5036-138-0x0000000000723000-0x0000000000742000-memory.dmp

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memory/5036-137-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/5036-136-0x00000000020B0000-0x00000000020EE000-memory.dmp

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