andromeda | 48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86

Analysis

max time kernel
119s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/11/2024, 11:12

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General

Target

48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe
Size

88KB
MD5

8b97b5ed374d6e68451e6742133c3630
SHA1

061b5daf8569180fb017b3df17ef7a9ba17e983d
SHA256

48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86
SHA512

3d5639a3459fcd1f33c4119b93bc15b875bae023da7933f5d3e964aac1c2bde4a2374faa35f0080bfaa7135c4840deab0877ba4b17d5437b4be32bdfe81bc799
SSDEEP

1536:t5piVnDXkTbhCtaB6GVA/bVQPxfgiqfoOonoKg+yOH5y/yEn:6D0ctAVA/bmxIMnoKjyR/Nn

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

resource	yara_rule
behavioral2/memory/2112-60-0x0000000000530000-0x0000000000535000-memory.dmp	family_andromeda
behavioral2/memory/2112-64-0x0000000000530000-0x0000000000535000-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

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\47195 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msnoypj.bat"	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe

Executes dropped EXE 3 IoCs

pid	Process
376	winlogonr.exe
920	winlogonr.exe
1072	winlogonr.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

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

description	pid	Process	procid_target
PID 4132 set thread context of 3772	4132	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	93
PID 376 set thread context of 920	376	winlogonr.exe	100
PID 376 set thread context of 1072	376	winlogonr.exe	101

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3772-6-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3772-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3772-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3772-36-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3772-52-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/920-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msnoypj.bat	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.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	winlogonr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1072	winlogonr.exe
1072	winlogonr.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1072	winlogonr.exe
1072	winlogonr.exe

Suspicious use of AdjustPrivilegeToken 58 IoCs

description	pid	Process
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe
Token: SeDebugPrivilege	920	winlogonr.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4132	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe
3772	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe
376	winlogonr.exe
920	winlogonr.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 3772	4132	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	93
PID 4132 wrote to memory of 3772	4132	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	93
PID 4132 wrote to memory of 3772	4132	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	93
PID 4132 wrote to memory of 3772	4132	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	93
PID 4132 wrote to memory of 3772	4132	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	93
PID 4132 wrote to memory of 3772	4132	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	93
PID 4132 wrote to memory of 3772	4132	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	93
PID 4132 wrote to memory of 3772	4132	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	93
PID 3772 wrote to memory of 3020	3772	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	94
PID 3772 wrote to memory of 3020	3772	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	94
PID 3772 wrote to memory of 3020	3772	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	94
PID 3020 wrote to memory of 4520	3020	cmd.exe	97
PID 3020 wrote to memory of 4520	3020	cmd.exe	97
PID 3020 wrote to memory of 4520	3020	cmd.exe	97
PID 3772 wrote to memory of 376	3772	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	98
PID 3772 wrote to memory of 376	3772	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	98
PID 3772 wrote to memory of 376	3772	48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe	98
PID 376 wrote to memory of 920	376	winlogonr.exe	100
PID 376 wrote to memory of 920	376	winlogonr.exe	100
PID 376 wrote to memory of 920	376	winlogonr.exe	100
PID 376 wrote to memory of 920	376	winlogonr.exe	100
PID 376 wrote to memory of 920	376	winlogonr.exe	100
PID 376 wrote to memory of 920	376	winlogonr.exe	100
PID 376 wrote to memory of 920	376	winlogonr.exe	100
PID 376 wrote to memory of 920	376	winlogonr.exe	100
PID 376 wrote to memory of 1072	376	winlogonr.exe	101
PID 376 wrote to memory of 1072	376	winlogonr.exe	101
PID 376 wrote to memory of 1072	376	winlogonr.exe	101
PID 376 wrote to memory of 1072	376	winlogonr.exe	101
PID 376 wrote to memory of 1072	376	winlogonr.exe	101
PID 376 wrote to memory of 1072	376	winlogonr.exe	101
PID 1072 wrote to memory of 2112	1072	winlogonr.exe	102
PID 1072 wrote to memory of 2112	1072	winlogonr.exe	102
PID 1072 wrote to memory of 2112	1072	winlogonr.exe	102

C:\Users\Admin\AppData\Local\Temp\48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe
"C:\Users\Admin\AppData\Local\Temp\48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4132
- C:\Users\Admin\AppData\Local\Temp\48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe
  "C:\Users\Admin\AppData\Local\Temp\48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3772
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BQROX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3020
  - - 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:4520
- - 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:376
  - - 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:920
  - - 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:1072
    - - 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:2112

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

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Downloads

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

Filesize
149B

MD5
6831b89d0b8dc3e07588d733e75c122b

SHA1
8c70088c3224bbaf535ed19ec0f6bd5231c543be

SHA256
9fe102f2c6dff35f03787b85f725d12347cf491c897730a7f2e818f65177ffc2

SHA512
699fb44a25032ee4ad0ace1f941c826b333baddb65049c22e80b272909e85f4c8a00fef73fe2d97fa8998a0b6969b13461237bfc1e8f9bf711849d17d0cda6da

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

Filesize
88KB

MD5
8b97b5ed374d6e68451e6742133c3630

SHA1
061b5daf8569180fb017b3df17ef7a9ba17e983d

SHA256
48235feba2ab606004db39d1d3bcbf78513a6bde366469d5556b5456aa635c86

SHA512
3d5639a3459fcd1f33c4119b93bc15b875bae023da7933f5d3e964aac1c2bde4a2374faa35f0080bfaa7135c4840deab0877ba4b17d5437b4be32bdfe81bc799

Download Submit
memory/376-49-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/376-40-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/376-39-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/376-38-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/920-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1072-48-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1072-44-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2112-64-0x0000000000530000-0x0000000000535000-memory.dmp

Filesize
20KB

Download
memory/2112-60-0x0000000000530000-0x0000000000535000-memory.dmp

Filesize
20KB

Download
memory/2112-58-0x0000000000540000-0x000000000054E000-memory.dmp

Filesize
56KB

Download
memory/2112-55-0x0000000000540000-0x000000000054E000-memory.dmp

Filesize
56KB

Download
memory/3772-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3772-52-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3772-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3772-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3772-36-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4132-4-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download
memory/4132-2-0x0000000002A10000-0x0000000002A12000-memory.dmp

Filesize
8KB

Download
memory/4132-5-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/4132-3-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download