andromeda | 99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db

Analysis

max time kernel
119s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2024, 01:14

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General

Target

99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe
Size

88KB
MD5

7c28769f85f896d0831d1ab08ff4182b
SHA1

efc1b2b2aeef83aad21302e97fcf976f9b6af357
SHA256

99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db
SHA512

1c3f97c8d6219dda494c168d96539d94c3028375d5695a28a26298e4ca3abb0f7a6bee1a8864a96f84a22354d19ca84fd149ebf0e94f13744a4fcbe270fa97a8
SSDEEP

1536:t5piVnDXkTbhCtaB6GVA/bVQPxfgiqfoOonoKg+yOH5y/yEL:6D0ctAVA/bmxIMnoKjyR/NL

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/4528-63-0x00000000009F0000-0x00000000009F5000-memory.dmp	family_andromeda
behavioral2/memory/4528-67-0x00000000009F0000-0x00000000009F5000-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\289 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msxrrmg.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe

Executes dropped EXE 3 IoCs

pid	Process
4640	winlogonr.exe
2576	winlogonr.exe
1204	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-1-5-21-3350944739-639801879-157714471-1000\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 4724 set thread context of 2740	4724	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	94
PID 4640 set thread context of 2576	4640	winlogonr.exe	104
PID 4640 set thread context of 1204	4640	winlogonr.exe	105

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2740-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2740-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2740-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2740-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2740-54-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2576-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msxrrmg.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	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	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1204	winlogonr.exe
1204	winlogonr.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1204	winlogonr.exe
1204	winlogonr.exe

Suspicious use of AdjustPrivilegeToken 56 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe
Token: SeDebugPrivilege	2576	winlogonr.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4724	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe
2740	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe
4640	winlogonr.exe
2576	winlogonr.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 2740	4724	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	94
PID 4724 wrote to memory of 2740	4724	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	94
PID 4724 wrote to memory of 2740	4724	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	94
PID 4724 wrote to memory of 2740	4724	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	94
PID 4724 wrote to memory of 2740	4724	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	94
PID 4724 wrote to memory of 2740	4724	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	94
PID 4724 wrote to memory of 2740	4724	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	94
PID 4724 wrote to memory of 2740	4724	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	94
PID 2740 wrote to memory of 1848	2740	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	95
PID 2740 wrote to memory of 1848	2740	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	95
PID 2740 wrote to memory of 1848	2740	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	95
PID 1848 wrote to memory of 2076	1848	cmd.exe	99
PID 1848 wrote to memory of 2076	1848	cmd.exe	99
PID 1848 wrote to memory of 2076	1848	cmd.exe	99
PID 2740 wrote to memory of 4640	2740	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	100
PID 2740 wrote to memory of 4640	2740	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	100
PID 2740 wrote to memory of 4640	2740	99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe	100
PID 4640 wrote to memory of 2576	4640	winlogonr.exe	104
PID 4640 wrote to memory of 2576	4640	winlogonr.exe	104
PID 4640 wrote to memory of 2576	4640	winlogonr.exe	104
PID 4640 wrote to memory of 2576	4640	winlogonr.exe	104
PID 4640 wrote to memory of 2576	4640	winlogonr.exe	104
PID 4640 wrote to memory of 2576	4640	winlogonr.exe	104
PID 4640 wrote to memory of 2576	4640	winlogonr.exe	104
PID 4640 wrote to memory of 2576	4640	winlogonr.exe	104
PID 4640 wrote to memory of 1204	4640	winlogonr.exe	105
PID 4640 wrote to memory of 1204	4640	winlogonr.exe	105
PID 4640 wrote to memory of 1204	4640	winlogonr.exe	105
PID 4640 wrote to memory of 1204	4640	winlogonr.exe	105
PID 4640 wrote to memory of 1204	4640	winlogonr.exe	105
PID 4640 wrote to memory of 1204	4640	winlogonr.exe	105
PID 1204 wrote to memory of 4528	1204	winlogonr.exe	106
PID 1204 wrote to memory of 4528	1204	winlogonr.exe	106
PID 1204 wrote to memory of 4528	1204	winlogonr.exe	106

C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe
"C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe
  "C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LFKYH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1848
  - - 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:2076
- - 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:4640
  - - 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:2576
  - - 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:1204
    - - 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:4528

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\LFKYH.txt

Filesize
149B

MD5
6831b89d0b8dc3e07588d733e75c122b

SHA1
8c70088c3224bbaf535ed19ec0f6bd5231c543be

SHA256
9fe102f2c6dff35f03787b85f725d12347cf491c897730a7f2e818f65177ffc2

SHA512
699fb44a25032ee4ad0ace1f941c826b333baddb65049c22e80b272909e85f4c8a00fef73fe2d97fa8998a0b6969b13461237bfc1e8f9bf711849d17d0cda6da

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

Filesize
88KB

MD5
92bdb37b53f2fd12914efdae18bf2289

SHA1
d6588e94a5ce84d6e8408d6d98d71f712c9a2740

SHA256
b134c6390ff9fd5b7a6d8351b25747c04fcaaad3bde402a2cbeb8b3e7e514547

SHA512
eaf6006d8cf1d03280b1d31799b7ac86154302f0b303e06922f2f8b9dc709666afae249fec437cbb56568028d672ec490b883ecb6c300b480e5a1dbd1b5f04f0

Download Submit
memory/1204-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1204-45-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2576-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-54-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4528-58-0x00000000004D0000-0x00000000004DE000-memory.dmp

Filesize
56KB

Download
memory/4528-67-0x00000000009F0000-0x00000000009F5000-memory.dmp

Filesize
20KB

Download
memory/4528-63-0x00000000009F0000-0x00000000009F5000-memory.dmp

Filesize
20KB

Download
memory/4528-60-0x00000000004D0000-0x00000000004DE000-memory.dmp

Filesize
56KB

Download
memory/4640-40-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4640-41-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4640-42-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4640-50-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4724-4-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/4724-2-0x0000000002B20000-0x0000000002B22000-memory.dmp

Filesize
8KB

Download
memory/4724-5-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4724-3-0x0000000002B30000-0x0000000002B32000-memory.dmp

Filesize
8KB

Download
memory/4724-6-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4724-7-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download