amadey | e22a5cadeacc1a9d95354d85bdc17f6ab2dc5d23efe7df6d3d4683fb7b881a52

Analysis

max time kernel
148s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2024 18:26

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General

Target

4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe
Size

390KB
MD5

476312e3c4f36a6599bf9978e6d605a0
SHA1

ee25d5db5694aadc3a9efaa67fae8a8dcaf56629
SHA256

4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb
SHA512

2b671eef423f5502edfa8ebda69b3c696bcd9126b97b9a5e0b130e488ced8bf8ef4d47ab9a4d2f940e1c5c44c3246e4dfddd187d98382c2c653a09270c5e44dc
SSDEEP

6144:KEy+bnr+bp0yN90QE8QNSryj31/wS5QRv4ZuHAQ3ojb0uDeP9VFh/5OqN6McLO:YMrTy90aQNS+j31vAKR0GzeTFhEqOO

Score

10^/10

amadey healer redline krast dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

amadey

Version

3.86

http://5.42.92.67

Attributes

install_dir
ebb444342c
install_file
legola.exe
strings_key
5680b049188ecacbfa57b1b29c2f35a7
url_paths
/norm/index.php

rc4.plain

Extracted

Family

redline

Botnet

krast

77.91.68.68:19071

Attributes

auth_value
9059ea331e4599de3746df73ccb24514

Signatures

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

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral8/files/0x00080000000233da-12.dat	healer
behavioral8/memory/4884-15-0x0000000000CD0000-0x0000000000CDA000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	p7552092.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	p7552092.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	p7552092.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	p7552092.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	p7552092.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	p7552092.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

resource	yara_rule
behavioral8/files/0x00070000000233d8-32.dat	family_redline
behavioral8/memory/448-33-0x0000000000070000-0x00000000000A0000-memory.dmp	family_redline

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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	r8873729.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	legola.exe

Executes dropped EXE 7 IoCs

pid	Process
4708	z8228455.exe
4884	p7552092.exe
4732	r8873729.exe
3596	legola.exe
448	t0596320.exe
900	legola.exe
4580	legola.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	p7552092.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	z8228455.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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/Job

T1053

pid	Process
2908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4884	p7552092.exe
4884	p7552092.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4884	p7552092.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4732	r8873729.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 4708	5056	4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe	79
PID 5056 wrote to memory of 4708	5056	4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe	79
PID 5056 wrote to memory of 4708	5056	4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe	79
PID 4708 wrote to memory of 4884	4708	z8228455.exe	80
PID 4708 wrote to memory of 4884	4708	z8228455.exe	80
PID 4708 wrote to memory of 4732	4708	z8228455.exe	81
PID 4708 wrote to memory of 4732	4708	z8228455.exe	81
PID 4708 wrote to memory of 4732	4708	z8228455.exe	81
PID 4732 wrote to memory of 3596	4732	r8873729.exe	82
PID 4732 wrote to memory of 3596	4732	r8873729.exe	82
PID 4732 wrote to memory of 3596	4732	r8873729.exe	82
PID 5056 wrote to memory of 448	5056	4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe	83
PID 5056 wrote to memory of 448	5056	4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe	83
PID 5056 wrote to memory of 448	5056	4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe	83
PID 3596 wrote to memory of 2908	3596	legola.exe	84
PID 3596 wrote to memory of 2908	3596	legola.exe	84
PID 3596 wrote to memory of 2908	3596	legola.exe	84
PID 3596 wrote to memory of 1412	3596	legola.exe	86
PID 3596 wrote to memory of 1412	3596	legola.exe	86
PID 3596 wrote to memory of 1412	3596	legola.exe	86
PID 1412 wrote to memory of 1280	1412	cmd.exe	88
PID 1412 wrote to memory of 1280	1412	cmd.exe	88
PID 1412 wrote to memory of 1280	1412	cmd.exe	88
PID 1412 wrote to memory of 3104	1412	cmd.exe	89
PID 1412 wrote to memory of 3104	1412	cmd.exe	89
PID 1412 wrote to memory of 3104	1412	cmd.exe	89
PID 1412 wrote to memory of 2676	1412	cmd.exe	90
PID 1412 wrote to memory of 2676	1412	cmd.exe	90
PID 1412 wrote to memory of 2676	1412	cmd.exe	90
PID 1412 wrote to memory of 2976	1412	cmd.exe	91
PID 1412 wrote to memory of 2976	1412	cmd.exe	91
PID 1412 wrote to memory of 2976	1412	cmd.exe	91
PID 1412 wrote to memory of 1456	1412	cmd.exe	92
PID 1412 wrote to memory of 1456	1412	cmd.exe	92
PID 1412 wrote to memory of 1456	1412	cmd.exe	92
PID 1412 wrote to memory of 2560	1412	cmd.exe	93
PID 1412 wrote to memory of 2560	1412	cmd.exe	93
PID 1412 wrote to memory of 2560	1412	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe
"C:\Users\Admin\AppData\Local\Temp\4a64601cda22ee78c5a65b16c6140cd47a27949c9b5b09685526fa936b55c3bb.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z8228455.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z8228455.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4708
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p7552092.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p7552092.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4884
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r8873729.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r8873729.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4732
  - - C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
      "C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:3596
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN legola.exe /TR "C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe" /F
        5⤵
        Creates scheduled task(s)
        
        PID:2908
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "legola.exe" /P "Admin:N"&&CACLS "legola.exe" /P "Admin:R" /E&&echo Y|CACLS "..\ebb444342c" /P "Admin:N"&&CACLS "..\ebb444342c" /P "Admin:R" /E&&Exit
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1412
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:1280
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "legola.exe" /P "Admin:N"
        6⤵
        
        PID:3104
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "legola.exe" /P "Admin:R" /E
        6⤵
        
        PID:2676
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:2976
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\ebb444342c" /P "Admin:N"
        6⤵
        
        PID:1456
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\ebb444342c" /P "Admin:R" /E
        6⤵
        
        PID:2560
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t0596320.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t0596320.exe
  2⤵
  - Executes dropped EXE
  PID:448

C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
1⤵
- Executes dropped EXE
PID:900

C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
1⤵
- Executes dropped EXE
PID:4580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t0596320.exe

Filesize
173KB

MD5
724524e7826b06b2d9004e8bee566a90

SHA1
8d9bba1b3a106cf43e7669601c06705d747d1666

SHA256
95fbb7ef4e009a2da579e7fea9287ce2fa03b78e1f22f15790dd12a2fdcc90c9

SHA512
a5b9decac1c7dfa587ca21f87d7aa9fac6a592565121fa127fc4949df8762e125fd3ccd459c2dbc30a6f13f697e99d536d9647257395dc04d48ca0e0aa94d7f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z8228455.exe

Filesize
234KB

MD5
1d7f0bbde4a1de9005e72ad73b04e815

SHA1
868382c50a8302dfbdb0581bb8adbd5cab2f6ca7

SHA256
ea7a2e99cc2c8335795cc9a9b7e68cac33146817112f5ec48f105b648f01df25

SHA512
d41aa8dcccbd3ef22fdc7705b04db06771080553b3dc5722f0c4e24d1c7ae94de9a0140204cdd576d3a513370b3e69d2eae83ac06a402296560265aab242f19d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p7552092.exe

Filesize
11KB

MD5
f77d78af12b9628421ed4e1dfb7deb13

SHA1
9b6fa06af3564e2fe4724d8b5ebfdfd2a7ec0fd5

SHA256
10d806abe4d088bbb95c43a04c91f68a10888bd256de9c9a58c4c7642a9572ab

SHA512
6c01f44fdb412a58a19ddb4caf73a502a5aae10aecb959a67142ab267ef6732a7e5e6346c1a5ce5aa52823ae5b50372c083e4e59f650c835a38c75d334303e00

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r8873729.exe

Filesize
223KB

MD5
4c1ddb64aa9642cf1a82755cb11907b6

SHA1
024648f34c29ee0e80ac4bfddab1becd0f63a81f

SHA256
91bd59d4d14b1d6b2507691afc37760c60929aa64bff3ec83e55369d54bee38b

SHA512
7f14e4fa309c036f7ee44f88a6ec5ddc7a72b1fa0646646b5978c7efea44997e269945caf96b8d40d7597747492815e09f2664d769022e44db952cc5072d6a24

Download Submit
memory/448-36-0x0000000004B70000-0x0000000004C7A000-memory.dmp

Filesize
1.0MB

Download
memory/448-33-0x0000000000070000-0x00000000000A0000-memory.dmp

Filesize
192KB

Download
memory/448-34-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/448-35-0x0000000005080000-0x0000000005698000-memory.dmp

Filesize
6.1MB

Download
memory/448-37-0x00000000048F0000-0x0000000004902000-memory.dmp

Filesize
72KB

Download
memory/448-38-0x0000000004A60000-0x0000000004A9C000-memory.dmp

Filesize
240KB

Download
memory/448-39-0x0000000004AA0000-0x0000000004AEC000-memory.dmp

Filesize
304KB

Download
memory/4884-15-0x0000000000CD0000-0x0000000000CDA000-memory.dmp

Filesize
40KB

Download
memory/4884-14-0x00007FFC5F2F3000-0x00007FFC5F2F5000-memory.dmp

Filesize
8KB

Download