amadey | eac89b852809795ba5be7c8fe1c4dfbfca83f3598d8170986addbbb62de1545b

Analysis

max time kernel
99s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07/12/2022, 14:02

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General

Target
file.exe
Size 322KB
Sample221207-rb5agsfb22
SHA256 eac89b852809795ba5be7c8fe1c4dfbfca83f3598d8170986addbbb62de1545b
MD5 a87033af8de2eab741bf88dda6b5c811
SHA1 a9de4c403c19befd5fe0cf4f797e799e30109940
SHA512 89c70b569f606bfe2658b886e4984cefa335ef81ca40a59f209ef365082390c4af34cd7537ce82584f5209062e7cdfb708ed221c22c43d7d32d11e5eab6a4ef2
SSDEEP 6144:+Ncs3ybypCByhhcFtfW4WUKQvCa7r5U4ilf:+Ncs3kEgkUtfWKKINyl
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

amadey collection persistence 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/0x000700000001e8b7-163.dat	amadey_cred_module
behavioral2/files/0x000700000001e8b7-164.dat	amadey_cred_module

Blocklisted process makes network request 1 IoCs

flow	pid	Process
37	828	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 4 IoCs

pid	Process
2836	gntuud.exe
4804	linda5.exe
1140	gntuud.exe
2508	gntuud.exe

Checks computer location settings 2 TTPs 3 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
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	linda5.exe

Loads dropped DLL 3 IoCs

pid	Process
1560	regsvr32.exe
1560	regsvr32.exe
828	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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\linda5.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000016001\\linda5.exe"	gntuud.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
392	644	WerFault.exe	79
1508	1140	WerFault.exe	95
1456	2508	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
4296	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
828	rundll32.exe
828	rundll32.exe
828	rundll32.exe
828	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 2836	644	file.exe	80
PID 644 wrote to memory of 2836	644	file.exe	80
PID 644 wrote to memory of 2836	644	file.exe	80
PID 2836 wrote to memory of 4296	2836	gntuud.exe	84
PID 2836 wrote to memory of 4296	2836	gntuud.exe	84
PID 2836 wrote to memory of 4296	2836	gntuud.exe	84
PID 2836 wrote to memory of 4804	2836	gntuud.exe	86
PID 2836 wrote to memory of 4804	2836	gntuud.exe	86
PID 2836 wrote to memory of 4804	2836	gntuud.exe	86
PID 4804 wrote to memory of 1560	4804	linda5.exe	87
PID 4804 wrote to memory of 1560	4804	linda5.exe	87
PID 4804 wrote to memory of 1560	4804	linda5.exe	87
PID 2836 wrote to memory of 828	2836	gntuud.exe	98
PID 2836 wrote to memory of 828	2836	gntuud.exe	98
PID 2836 wrote to memory of 828	2836	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\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:644
- 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:2836
- - 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:4296
- - C:\Users\Admin\AppData\Local\Temp\1000016001\linda5.exe
    "C:\Users\Admin\AppData\Local\Temp\1000016001\linda5.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:4804
  - - C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" V7SDj~.zZi /u -s
      4⤵
      Loads dropped DLL
      PID:1560
- - 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:828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 892
  2⤵
  - Program crash
  PID:392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 644 -ip 644
1⤵
PID:1032

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:1140
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 428
  2⤵
  - Program crash
  PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1140 -ip 1140
1⤵
PID:1604

C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
1⤵
- Executes dropped EXE
PID:2508
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 416
  2⤵
  - Program crash
  PID:1456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2508 -ip 2508
1⤵
PID:4944

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

linda5.exe

Path C:\Users\Admin\AppData\Local\Temp\1000016001\linda5.exe
Size 1.4MB
SHA256 39ac15b198579512c52541043b79fbd5b5ae05e31cc542be33d398298256dbd6
MD5 0d392a37b918d32c9c10517cbefb0c3e
SHA1 8f0a2d2c825352e722ec176250e4f9af6b446492
SHA512 3f187cb480a16e169e57b570cc19996526a3c2ac1e0629dde5ff5e309d2c5787b6a28fd2b2c727783e414dea1d61646532be9325df90b8d1fb5f5710d887e5fb
SSDEEP 24576:zry2uXzmwLDM1rfV1ZyikTWOJCgqxkFJPEFxGPQu7IZR9SsYUsyZ:zunifbZ2JCg5FJ7Pj7IZR9pZdZ
MD5 SHA1 SHA512 SSDEEP

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linda5.exe

Path C:\Users\Admin\AppData\Local\Temp\1000016001\linda5.exe
Size 1.4MB
SHA256 39ac15b198579512c52541043b79fbd5b5ae05e31cc542be33d398298256dbd6
MD5 0d392a37b918d32c9c10517cbefb0c3e
SHA1 8f0a2d2c825352e722ec176250e4f9af6b446492
SHA512 3f187cb480a16e169e57b570cc19996526a3c2ac1e0629dde5ff5e309d2c5787b6a28fd2b2c727783e414dea1d61646532be9325df90b8d1fb5f5710d887e5fb
SSDEEP 24576:zry2uXzmwLDM1rfV1ZyikTWOJCgqxkFJPEFxGPQu7IZR9SsYUsyZ:zunifbZ2JCg5FJ7Pj7IZR9pZdZ
MD5 SHA1 SHA512 SSDEEP

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gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 322KB
SHA256 eac89b852809795ba5be7c8fe1c4dfbfca83f3598d8170986addbbb62de1545b
MD5 a87033af8de2eab741bf88dda6b5c811
SHA1 a9de4c403c19befd5fe0cf4f797e799e30109940
SHA512 89c70b569f606bfe2658b886e4984cefa335ef81ca40a59f209ef365082390c4af34cd7537ce82584f5209062e7cdfb708ed221c22c43d7d32d11e5eab6a4ef2
SSDEEP 6144:+Ncs3ybypCByhhcFtfW4WUKQvCa7r5U4ilf:+Ncs3kEgkUtfWKKINyl
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 322KB
SHA256 eac89b852809795ba5be7c8fe1c4dfbfca83f3598d8170986addbbb62de1545b
MD5 a87033af8de2eab741bf88dda6b5c811
SHA1 a9de4c403c19befd5fe0cf4f797e799e30109940
SHA512 89c70b569f606bfe2658b886e4984cefa335ef81ca40a59f209ef365082390c4af34cd7537ce82584f5209062e7cdfb708ed221c22c43d7d32d11e5eab6a4ef2
SSDEEP 6144:+Ncs3ybypCByhhcFtfW4WUKQvCa7r5U4ilf:+Ncs3kEgkUtfWKKINyl
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 322KB
SHA256 eac89b852809795ba5be7c8fe1c4dfbfca83f3598d8170986addbbb62de1545b
MD5 a87033af8de2eab741bf88dda6b5c811
SHA1 a9de4c403c19befd5fe0cf4f797e799e30109940
SHA512 89c70b569f606bfe2658b886e4984cefa335ef81ca40a59f209ef365082390c4af34cd7537ce82584f5209062e7cdfb708ed221c22c43d7d32d11e5eab6a4ef2
SSDEEP 6144:+Ncs3ybypCByhhcFtfW4WUKQvCa7r5U4ilf:+Ncs3kEgkUtfWKKINyl
MD5 SHA1 SHA512 SSDEEP

Submit Download

gntuud.exe

Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
Size 322KB
SHA256 eac89b852809795ba5be7c8fe1c4dfbfca83f3598d8170986addbbb62de1545b
MD5 a87033af8de2eab741bf88dda6b5c811
SHA1 a9de4c403c19befd5fe0cf4f797e799e30109940
SHA512 89c70b569f606bfe2658b886e4984cefa335ef81ca40a59f209ef365082390c4af34cd7537ce82584f5209062e7cdfb708ed221c22c43d7d32d11e5eab6a4ef2
SSDEEP 6144:+Ncs3ybypCByhhcFtfW4WUKQvCa7r5U4ilf:+Ncs3kEgkUtfWKKINyl
MD5 SHA1 SHA512 SSDEEP

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V7SDj~.zZi

Path C:\Users\Admin\AppData\Local\Temp\V7SDj~.zZi
Size 2.3MB
SHA256 aa7880a139d229ad05ecda835cd7ce1b02bbbe3dfdeb0da6423853d05d83b518
MD5 f2efbaae6f8a4ce4d19efddd54954438
SHA1 404ded5b0d6a842e6a38baa703599bfc36a87035
SHA512 51a5f576aa7bb8a6dc6e481e803ba68735aa3eb0886dd02e4031d417b6bbc67f6a8fabe19e70c72b2c55abf20c5378cf52a1511b996dd78109bb8132a76ade4c
SSDEEP 24576:ge0Ke6EsjYJakuATMudieHNJxQqNSD44/XdzyCQAFjoBf/RFKqynn:Xze6IJagTMY8D44/XdziAFjoB/Rcqyn
MD5 SHA1 SHA512 SSDEEP

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V7SDj~.zZi

Path C:\Users\Admin\AppData\Local\Temp\V7SDj~.zZi
Size 2.3MB
SHA256 aa7880a139d229ad05ecda835cd7ce1b02bbbe3dfdeb0da6423853d05d83b518
MD5 f2efbaae6f8a4ce4d19efddd54954438
SHA1 404ded5b0d6a842e6a38baa703599bfc36a87035
SHA512 51a5f576aa7bb8a6dc6e481e803ba68735aa3eb0886dd02e4031d417b6bbc67f6a8fabe19e70c72b2c55abf20c5378cf52a1511b996dd78109bb8132a76ade4c
SSDEEP 24576:ge0Ke6EsjYJakuATMudieHNJxQqNSD44/XdzyCQAFjoBf/RFKqynn:Xze6IJagTMY8D44/XdziAFjoB/Rcqyn
MD5 SHA1 SHA512 SSDEEP

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V7SDj~.zZi

Path C:\Users\Admin\AppData\Local\Temp\V7SDj~.zZi
Size 2.3MB
SHA256 aa7880a139d229ad05ecda835cd7ce1b02bbbe3dfdeb0da6423853d05d83b518
MD5 f2efbaae6f8a4ce4d19efddd54954438
SHA1 404ded5b0d6a842e6a38baa703599bfc36a87035
SHA512 51a5f576aa7bb8a6dc6e481e803ba68735aa3eb0886dd02e4031d417b6bbc67f6a8fabe19e70c72b2c55abf20c5378cf52a1511b996dd78109bb8132a76ade4c
SSDEEP 24576:ge0Ke6EsjYJakuATMudieHNJxQqNSD44/XdzyCQAFjoBf/RFKqynn:Xze6IJagTMY8D44/XdziAFjoB/Rcqyn
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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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/644-134-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/644-133-0x00000000020A0000-0x00000000020DE000-memory.dmp

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memory/644-139-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/644-138-0x00000000005B3000-0x00000000005D2000-memory.dmp

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memory/644-132-0x00000000005B3000-0x00000000005D2000-memory.dmp

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memory/1140-161-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/1140-160-0x0000000000684000-0x00000000006A3000-memory.dmp

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memory/1560-152-0x0000000002A00000-0x0000000002AFF000-memory.dmp

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memory/1560-153-0x0000000002B00000-0x0000000002BE3000-memory.dmp

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memory/1560-154-0x0000000002290000-0x000000000235E000-memory.dmp

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memory/1560-157-0x0000000002A00000-0x0000000002AFF000-memory.dmp

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memory/1560-151-0x00000000027E0000-0x00000000029F1000-memory.dmp

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memory/1560-150-0x0000000002370000-0x00000000025BE000-memory.dmp

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memory/2508-166-0x0000000000534000-0x0000000000553000-memory.dmp

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memory/2508-167-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/2836-158-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/2836-142-0x0000000000400000-0x000000000046D000-memory.dmp

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memory/2836-141-0x00000000005E3000-0x0000000000602000-memory.dmp

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