andromeda | 451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547

Analysis

max time kernel
120s
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
10-11-2024 08:19

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General

Target

451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe
Size

88KB
MD5

7dbc7d98f3a7392ea418dd7cdee549c0
SHA1

8050656fc3829b1014b53cab07ec5418d316a558
SHA256

451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547
SHA512

5bfeccb890dd4f3a189a0daa223b408362148be87e8703d2f4a559b2ec24e75b55b41b8df155450f27bde83001b5631612269e9901d433b625f8af513ed464ba
SSDEEP

1536:t5piVnDXkTbhCtaB6GVA/bVQPxfgiqfoOonoKg+yOH5y/yEd:6D0ctAVA/bmxIMnoKjyR/Nd

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/1040-62-0x0000000000FF0000-0x0000000000FF5000-memory.dmp	family_andromeda
behavioral2/memory/1040-66-0x0000000000FF0000-0x0000000000FF5000-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\63990 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msuazu.cmd"	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	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe

Executes dropped EXE 3 IoCs

pid	Process
1212	winlogonr.exe
2324	winlogonr.exe
4604	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 4828 set thread context of 1400	4828	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	93
PID 1212 set thread context of 2324	1212	winlogonr.exe	100
PID 1212 set thread context of 4604	1212	winlogonr.exe	101

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1400-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1400-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1400-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1400-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1400-54-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2324-68-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msuazu.cmd	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	winlogonr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4604	winlogonr.exe
4604	winlogonr.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4604	winlogonr.exe
4604	winlogonr.exe

Suspicious use of AdjustPrivilegeToken 58 IoCs

description	pid	Process
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe
Token: SeDebugPrivilege	2324	winlogonr.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4828	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe
1400	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe
1212	winlogonr.exe
2324	winlogonr.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 1400	4828	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	93
PID 4828 wrote to memory of 1400	4828	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	93
PID 4828 wrote to memory of 1400	4828	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	93
PID 4828 wrote to memory of 1400	4828	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	93
PID 4828 wrote to memory of 1400	4828	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	93
PID 4828 wrote to memory of 1400	4828	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	93
PID 4828 wrote to memory of 1400	4828	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	93
PID 4828 wrote to memory of 1400	4828	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	93
PID 1400 wrote to memory of 1004	1400	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	94
PID 1400 wrote to memory of 1004	1400	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	94
PID 1400 wrote to memory of 1004	1400	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	94
PID 1004 wrote to memory of 4456	1004	cmd.exe	97
PID 1004 wrote to memory of 4456	1004	cmd.exe	97
PID 1004 wrote to memory of 4456	1004	cmd.exe	97
PID 1400 wrote to memory of 1212	1400	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	98
PID 1400 wrote to memory of 1212	1400	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	98
PID 1400 wrote to memory of 1212	1400	451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe	98
PID 1212 wrote to memory of 2324	1212	winlogonr.exe	100
PID 1212 wrote to memory of 2324	1212	winlogonr.exe	100
PID 1212 wrote to memory of 2324	1212	winlogonr.exe	100
PID 1212 wrote to memory of 2324	1212	winlogonr.exe	100
PID 1212 wrote to memory of 2324	1212	winlogonr.exe	100
PID 1212 wrote to memory of 2324	1212	winlogonr.exe	100
PID 1212 wrote to memory of 2324	1212	winlogonr.exe	100
PID 1212 wrote to memory of 2324	1212	winlogonr.exe	100
PID 1212 wrote to memory of 4604	1212	winlogonr.exe	101
PID 1212 wrote to memory of 4604	1212	winlogonr.exe	101
PID 1212 wrote to memory of 4604	1212	winlogonr.exe	101
PID 1212 wrote to memory of 4604	1212	winlogonr.exe	101
PID 1212 wrote to memory of 4604	1212	winlogonr.exe	101
PID 1212 wrote to memory of 4604	1212	winlogonr.exe	101
PID 4604 wrote to memory of 1040	4604	winlogonr.exe	102
PID 4604 wrote to memory of 1040	4604	winlogonr.exe	102
PID 4604 wrote to memory of 1040	4604	winlogonr.exe	102

C:\Users\Admin\AppData\Local\Temp\451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe
"C:\Users\Admin\AppData\Local\Temp\451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Users\Admin\AppData\Local\Temp\451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe
  "C:\Users\Admin\AppData\Local\Temp\451a3627ab9bf9f88261c29a62ec523f0bacb093e8d6c07c221b14df95ce6547N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\USQVI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1004
  - - 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:4456
- - 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:1212
  - - 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:2324
  - - 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:4604
    - - 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:1040

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\USQVI.txt

Filesize
149B

MD5
6831b89d0b8dc3e07588d733e75c122b

SHA1
8c70088c3224bbaf535ed19ec0f6bd5231c543be

SHA256
9fe102f2c6dff35f03787b85f725d12347cf491c897730a7f2e818f65177ffc2

SHA512
699fb44a25032ee4ad0ace1f941c826b333baddb65049c22e80b272909e85f4c8a00fef73fe2d97fa8998a0b6969b13461237bfc1e8f9bf711849d17d0cda6da

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

Filesize
88KB

MD5
7b9b59d0c6a37405105a57966ac08c2f

SHA1
abea00f54944635d1fa3819e311cea5bd956b9e1

SHA256
e16a2325e5fcc19c8f9b54a5991db169121ec4a2652ac69d16514a34b6abf5b6

SHA512
545e7ec30f7ca5c31343406c95183921a6d354877708fcd5d4b08a3ff139cd3e289cd1725c01479f7446d36be9752cceb395b5e7a0a1f029f6c5d1838fcdb66d

Download Submit
memory/1040-66-0x0000000000FF0000-0x0000000000FF5000-memory.dmp

Filesize
20KB

Download
memory/1040-62-0x0000000000FF0000-0x0000000000FF5000-memory.dmp

Filesize
20KB

Download
memory/1040-60-0x0000000000420000-0x000000000042E000-memory.dmp

Filesize
56KB

Download
memory/1040-58-0x0000000000420000-0x000000000042E000-memory.dmp

Filesize
56KB

Download
memory/1212-50-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1212-42-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1212-41-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1212-40-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1400-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1400-54-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1400-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1400-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1400-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2324-68-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4604-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4604-46-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4828-3-0x00000000022D0000-0x00000000022D2000-memory.dmp

Filesize
8KB

Download
memory/4828-5-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4828-6-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4828-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/4828-2-0x00000000022C0000-0x00000000022C2000-memory.dmp

Filesize
8KB

Download
memory/4828-7-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download