amadey | c6ac7038f2b8acf3787a19170444be1ee943b1eebbf70e6d74758b47c73c4ab8

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2024 14:57

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General

Target

7b7ce936fd017fb3d3de8552a69b50012fdf9778cf317ec09212df4830d993c9.exe
Size

390KB
MD5

3878b03638487d7fcda504b7b6112f6e
SHA1

62a91750f680cce74a674c1188230b30a9c8284e
SHA256

7b7ce936fd017fb3d3de8552a69b50012fdf9778cf317ec09212df4830d993c9
SHA512

b5b7e76d64b969687670e23030ebcc39a9b50c893268670f93c0dd923d3e4e9c3e224b80c6e1ba15419fdee4bdf0720104d2559466e60d88947addc3ec221aaf
SSDEEP

12288:cMrTy90xzhDbGx71diTJXu8RXxZm+a+LfafLIpD:fyOzJGQVxg+aU7Z

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
behavioral16/files/0x000800000002343a-12.dat	healer
behavioral16/memory/1320-15-0x00000000003C0000-0x00000000003CA000-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\DisableBehaviorMonitoring = "1"	p4494081.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	p4494081.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	p4494081.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	p4494081.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	p4494081.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	p4494081.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
behavioral16/files/0x0007000000023438-31.dat	family_redline
behavioral16/memory/1204-33-0x0000000000710000-0x0000000000740000-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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	r0060218.exe
Key value queried	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	legola.exe

Executes dropped EXE 7 IoCs

pid	Process
1916	z5999342.exe
1320	p4494081.exe
5048	r0060218.exe
884	legola.exe
1204	t3924005.exe
1528	legola.exe
3912	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"	p4494081.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\\\""	7b7ce936fd017fb3d3de8552a69b50012fdf9778cf317ec09212df4830d993c9.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\\\""	z5999342.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
1640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1320	p4494081.exe
1320	p4494081.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1320	p4494081.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 1916	388	7b7ce936fd017fb3d3de8552a69b50012fdf9778cf317ec09212df4830d993c9.exe	82
PID 388 wrote to memory of 1916	388	7b7ce936fd017fb3d3de8552a69b50012fdf9778cf317ec09212df4830d993c9.exe	82
PID 388 wrote to memory of 1916	388	7b7ce936fd017fb3d3de8552a69b50012fdf9778cf317ec09212df4830d993c9.exe	82
PID 1916 wrote to memory of 1320	1916	z5999342.exe	83
PID 1916 wrote to memory of 1320	1916	z5999342.exe	83
PID 1916 wrote to memory of 5048	1916	z5999342.exe	93
PID 1916 wrote to memory of 5048	1916	z5999342.exe	93
PID 1916 wrote to memory of 5048	1916	z5999342.exe	93
PID 5048 wrote to memory of 884	5048	r0060218.exe	94
PID 5048 wrote to memory of 884	5048	r0060218.exe	94
PID 5048 wrote to memory of 884	5048	r0060218.exe	94
PID 388 wrote to memory of 1204	388	7b7ce936fd017fb3d3de8552a69b50012fdf9778cf317ec09212df4830d993c9.exe	95
PID 388 wrote to memory of 1204	388	7b7ce936fd017fb3d3de8552a69b50012fdf9778cf317ec09212df4830d993c9.exe	95
PID 388 wrote to memory of 1204	388	7b7ce936fd017fb3d3de8552a69b50012fdf9778cf317ec09212df4830d993c9.exe	95
PID 884 wrote to memory of 1640	884	legola.exe	96
PID 884 wrote to memory of 1640	884	legola.exe	96
PID 884 wrote to memory of 1640	884	legola.exe	96
PID 884 wrote to memory of 4476	884	legola.exe	98
PID 884 wrote to memory of 4476	884	legola.exe	98
PID 884 wrote to memory of 4476	884	legola.exe	98
PID 4476 wrote to memory of 2112	4476	cmd.exe	100
PID 4476 wrote to memory of 2112	4476	cmd.exe	100
PID 4476 wrote to memory of 2112	4476	cmd.exe	100
PID 4476 wrote to memory of 4844	4476	cmd.exe	101
PID 4476 wrote to memory of 4844	4476	cmd.exe	101
PID 4476 wrote to memory of 4844	4476	cmd.exe	101
PID 4476 wrote to memory of 2156	4476	cmd.exe	102
PID 4476 wrote to memory of 2156	4476	cmd.exe	102
PID 4476 wrote to memory of 2156	4476	cmd.exe	102
PID 4476 wrote to memory of 2724	4476	cmd.exe	103
PID 4476 wrote to memory of 2724	4476	cmd.exe	103
PID 4476 wrote to memory of 2724	4476	cmd.exe	103
PID 4476 wrote to memory of 3424	4476	cmd.exe	104
PID 4476 wrote to memory of 3424	4476	cmd.exe	104
PID 4476 wrote to memory of 3424	4476	cmd.exe	104
PID 4476 wrote to memory of 2736	4476	cmd.exe	105
PID 4476 wrote to memory of 2736	4476	cmd.exe	105
PID 4476 wrote to memory of 2736	4476	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\7b7ce936fd017fb3d3de8552a69b50012fdf9778cf317ec09212df4830d993c9.exe
"C:\Users\Admin\AppData\Local\Temp\7b7ce936fd017fb3d3de8552a69b50012fdf9778cf317ec09212df4830d993c9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:388
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z5999342.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z5999342.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4494081.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4494081.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1320
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r0060218.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r0060218.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:5048
  - - 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:884
    - - 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:1640
    - - 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:4476
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:2112
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "legola.exe" /P "Admin:N"
        6⤵
        
        PID:4844
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "legola.exe" /P "Admin:R" /E
        6⤵
        
        PID:2156
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        6⤵
        
        PID:2724
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\ebb444342c" /P "Admin:N"
        6⤵
        
        PID:3424
      - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\ebb444342c" /P "Admin:R" /E
        6⤵
        
        PID:2736
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t3924005.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t3924005.exe
  2⤵
  - Executes dropped EXE
  PID:1204

C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
1⤵
- Executes dropped EXE
PID:1528

C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
1⤵
- Executes dropped EXE
PID:3912

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t3924005.exe

Filesize
174KB

MD5
f5f9a88e2b0414bcb59289b488669256

SHA1
a6d9d953fada6c1a55924c13192c3acfc0aa5ebe

SHA256
18fd321b3cb6df408aba5135ef92144e32e95a103903dc2608f40a4c64162024

SHA512
81370ba57a2186edb4039fed39935b5011d5b85b8393a306a56bbb0beacf20420fcc8c5af8871c9f5a2e00209acaa1a658311b7294f5d81d645819b83c6523c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z5999342.exe

Filesize
234KB

MD5
74cf4e828722915d39950a63ca6c80f8

SHA1
582a746b86eb777881930995aa4ec3ed0ad926cc

SHA256
4b59a06745d3c2f1faa403b4d156ae1020932cf66d7671f36c7e1638b359033f

SHA512
2afefd5b4287823ba81bf36e6554f11e1f84a6bdfa2fb0447999a6b12cb06a274822e6a4ae76f7afcf10f01e3939bbb9fab0b9c043cb7db410131583189b7ed6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4494081.exe

Filesize
11KB

MD5
3427c2353c23b81398f6351b1b43b798

SHA1
7bbc11d829a06c646c022db871db482cfaca627d

SHA256
53f7cf122426d1324a9f8ad70b0067c04cfd1fe4a3027ab5bd04d2c35b9cd7f5

SHA512
3e1fa6af8d38c42aead93ed3d670a903023c5bbf7240073367365239abb3a9cf65d7b4b1e887f38f5e1614e15d2b0c24df186ce408a50d921ff8dea280044f2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r0060218.exe

Filesize
223KB

MD5
a5399195a7433f195453fe5574560fdc

SHA1
6faed26c43db672446054b2884778c897f367f7e

SHA256
80f6b671e1faa000f7c15b01a13a213e80dd4ed1db7f31cfce36ad82ea813abe

SHA512
42bc1e7adf121544f2cd17c60d5d08266fd60f36daa30dbc4b9ecbf06660c6d0d30074493b9c6b7baed482c4cdff755cedc6ebc3b790c16b3700b4fdfd13670c

Download Submit
memory/1204-36-0x0000000005160000-0x000000000526A000-memory.dmp

Filesize
1.0MB

Download
memory/1204-33-0x0000000000710000-0x0000000000740000-memory.dmp

Filesize
192KB

Download
memory/1204-34-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download
memory/1204-35-0x0000000005670000-0x0000000005C88000-memory.dmp

Filesize
6.1MB

Download
memory/1204-37-0x00000000050A0000-0x00000000050B2000-memory.dmp

Filesize
72KB

Download
memory/1204-38-0x0000000005100000-0x000000000513C000-memory.dmp

Filesize
240KB

Download
memory/1204-39-0x0000000005270000-0x00000000052BC000-memory.dmp

Filesize
304KB

Download
memory/1320-15-0x00000000003C0000-0x00000000003CA000-memory.dmp

Filesize
40KB

Download
memory/1320-14-0x00007FFB34C93000-0x00007FFB34C95000-memory.dmp

Filesize
8KB

Download