andromeda | 53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21

Analysis

max time kernel
119s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 21:01

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General

Target

53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe
Size

88KB
MD5

b7edb1da49a202107c84903f263ab0e0
SHA1

556ad05f4d6b65a8ccff2fde7e2d34cb5160effb
SHA256

53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21
SHA512

41be10aab94d3c159518dfc4f0641d9b920ebea9f8767cb940fffba5bccd017cf6404ce8a98005af01d6a47d00c545971e8428118bfbef15b592fc07c674e330
SSDEEP

1536:t5piVnDXkTbhCtaB6GVA/bVQPxfgiqfoOonoKg+yOH5y/yEc:6D0ctAVA/bmxIMnoKjyR/Nc

Score

10^/10

andromeda backdoor botnet discovery persistence upx

Malware Config

Signatures

Andromeda family
andromeda
Andromeda, Gamarue
Andromeda, also known as Gamarue, is a modular botnet malware primarily used for distributing other types of malware and it's written in C++.
botnet backdoor andromeda

Detects Andromeda payload. 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4924-60-0x00000000013B0000-0x00000000013B5000-memory.dmp	family_andromeda
behavioral2/memory/4924-64-0x00000000013B0000-0x00000000013B5000-memory.dmp	family_andromeda

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\40309 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msvwitit.com"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe

Executes dropped EXE 3 IoCs

Processes:

winlogonr.exewinlogonr.exewinlogonr.exe

pid	Process
4088	winlogonr.exe
3180	winlogonr.exe
552	winlogonr.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\winlogonr\\winlogonr.exe"	reg.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

winlogonr.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	winlogonr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	winlogonr.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exewinlogonr.exe

description	pid	Process	procid_target
PID 1284 set thread context of 2980	1284	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	93
PID 4088 set thread context of 3180	4088	winlogonr.exe	101
PID 4088 set thread context of 552	4088	winlogonr.exe	102

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2980-6-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2980-5-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2980-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2980-3-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2980-36-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2980-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3180-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

svchost.exe

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msvwitit.com	svchost.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

winlogonr.exewinlogonr.exewinlogonr.exesvchost.exe53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.execmd.exereg.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogonr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogonr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogonr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winlogonr.exe

pid	Process
552	winlogonr.exe
552	winlogonr.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

winlogonr.exe

pid	Process
552	winlogonr.exe
552	winlogonr.exe

Suspicious use of AdjustPrivilegeToken 57 IoCs

Processes:

winlogonr.exe

description	pid	Process
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe
Token: SeDebugPrivilege	3180	winlogonr.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exewinlogonr.exewinlogonr.exe

pid	Process
1284	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe
2980	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe
4088	winlogonr.exe
3180	winlogonr.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.execmd.exewinlogonr.exewinlogonr.exe

description	pid	Process	procid_target
PID 1284 wrote to memory of 2980	1284	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	93
PID 1284 wrote to memory of 2980	1284	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	93
PID 1284 wrote to memory of 2980	1284	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	93
PID 1284 wrote to memory of 2980	1284	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	93
PID 1284 wrote to memory of 2980	1284	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	93
PID 1284 wrote to memory of 2980	1284	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	93
PID 1284 wrote to memory of 2980	1284	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	93
PID 1284 wrote to memory of 2980	1284	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	93
PID 2980 wrote to memory of 1896	2980	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	94
PID 2980 wrote to memory of 1896	2980	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	94
PID 2980 wrote to memory of 1896	2980	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	94
PID 1896 wrote to memory of 748	1896	cmd.exe	97
PID 1896 wrote to memory of 748	1896	cmd.exe	97
PID 1896 wrote to memory of 748	1896	cmd.exe	97
PID 2980 wrote to memory of 4088	2980	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	98
PID 2980 wrote to memory of 4088	2980	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	98
PID 2980 wrote to memory of 4088	2980	53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe	98
PID 4088 wrote to memory of 3180	4088	winlogonr.exe	101
PID 4088 wrote to memory of 3180	4088	winlogonr.exe	101
PID 4088 wrote to memory of 3180	4088	winlogonr.exe	101
PID 4088 wrote to memory of 3180	4088	winlogonr.exe	101
PID 4088 wrote to memory of 3180	4088	winlogonr.exe	101
PID 4088 wrote to memory of 3180	4088	winlogonr.exe	101
PID 4088 wrote to memory of 3180	4088	winlogonr.exe	101
PID 4088 wrote to memory of 3180	4088	winlogonr.exe	101
PID 4088 wrote to memory of 552	4088	winlogonr.exe	102
PID 4088 wrote to memory of 552	4088	winlogonr.exe	102
PID 4088 wrote to memory of 552	4088	winlogonr.exe	102
PID 4088 wrote to memory of 552	4088	winlogonr.exe	102
PID 4088 wrote to memory of 552	4088	winlogonr.exe	102
PID 4088 wrote to memory of 552	4088	winlogonr.exe	102
PID 552 wrote to memory of 4924	552	winlogonr.exe	103
PID 552 wrote to memory of 4924	552	winlogonr.exe	103
PID 552 wrote to memory of 4924	552	winlogonr.exe	103

C:\Users\Admin\AppData\Local\Temp\53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe
"C:\Users\Admin\AppData\Local\Temp\53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Local\Temp\53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe
  "C:\Users\Admin\AppData\Local\Temp\53c78d4db969c683d2f898d2eecf3dcd63cf7f086e34ca91d73c91ba4f5f3a21N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YCMSK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1896
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "winlogon" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:748
- - C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
    "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4088
  - - C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
      "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3180
  - - C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
      "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
      4⤵
      Executes dropped EXE
      Maps connected drives based on registry
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:552
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\syswow64\svchost.exe
        5⤵
        Adds policy Run key to start application
        Drops file in Program Files directory
        System Location Discovery: System Language Discovery
        
        PID:4924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\YCMSK.txt

Filesize
149B

MD5
6831b89d0b8dc3e07588d733e75c122b

SHA1
8c70088c3224bbaf535ed19ec0f6bd5231c543be

SHA256
9fe102f2c6dff35f03787b85f725d12347cf491c897730a7f2e818f65177ffc2

SHA512
699fb44a25032ee4ad0ace1f941c826b333baddb65049c22e80b272909e85f4c8a00fef73fe2d97fa8998a0b6969b13461237bfc1e8f9bf711849d17d0cda6da

Download Submit
C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe

Filesize
88KB

MD5
e1477684061dbf4f5e041b866cd9248a

SHA1
862347562f83d8bda03d48f16d85e7b2ae013f39

SHA256
3528acf6e37e57702750edfda39b9deee96c37f2a3aefbd0221a614d0fec2129

SHA512
1ac6e8be917c4434219199c0366fb294d4241a47a8226016384e0ea8bb4eb479cc55af6ac579fa7517e0cfbb62eb757516ce18e158f5a9545915dc333b902747

Download Submit
memory/552-54-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/552-44-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/552-48-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/1284-2-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/2980-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-58-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/2980-34-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/2980-36-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-9-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/2980-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3180-43-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/3180-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4088-37-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4924-50-0x0000000000DB0000-0x0000000000DBE000-memory.dmp

Filesize
56KB

Download
memory/4924-52-0x0000000000DB0000-0x0000000000DBE000-memory.dmp

Filesize
56KB

Download
memory/4924-55-0x00007FFFB49D0000-0x00007FFFB4BC5000-memory.dmp

Filesize
2.0MB

Download
memory/4924-60-0x00000000013B0000-0x00000000013B5000-memory.dmp

Filesize
20KB

Download
memory/4924-64-0x00000000013B0000-0x00000000013B5000-memory.dmp

Filesize
20KB

Download