andromeda | 240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacd

Analysis

max time kernel
120s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2024, 12:03

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General

Target

240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
Size

317KB
MD5

415b52543a92106f55796f445f880750
SHA1

0ebd987235e5a22f132908895b1a858a4586b18b
SHA256

240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacd
SHA512

253d7ae1d158fe351da72694d182ab346c35a2923a0aa4fedd8da2a475dd741b8e31eb12cdc89074591283db3b3d11e1a36b8f35429187bdfac2e99782bda817
SSDEEP

3072:vSQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lbaV2:vPA6wxmuJspr2lb6

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/3668-64-0x0000000000D10000-0x0000000000D15000-memory.dmp	family_andromeda
behavioral2/memory/3668-68-0x0000000000D10000-0x0000000000D15000-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\47321 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mssajyoz.scr"	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe

Executes dropped EXE 3 IoCs

pid	Process
3104	skyrpe.exe
3304	skyrpe.exe
3112	skyrpe.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\skype\\skyrpe.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	skyrpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	skyrpe.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2392 set thread context of 4336	2392	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	101
PID 3104 set thread context of 3304	3104	skyrpe.exe	111
PID 3104 set thread context of 3112	3104	skyrpe.exe	112

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2392-0-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2392-5-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4336-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4336-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2392-13-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4336-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0007000000023cc4-30.dat	upx
behavioral2/memory/3104-37-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3104-41-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3104-42-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4336-43-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3104-47-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3104-58-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4336-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3304-70-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\mssajyoz.scr	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	skyrpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.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	skyrpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skyrpe.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3112	skyrpe.exe
3112	skyrpe.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3112	skyrpe.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe
Token: SeDebugPrivilege	3304	skyrpe.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2392	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
4336	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
3104	skyrpe.exe
3304	skyrpe.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 4336	2392	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	101
PID 2392 wrote to memory of 4336	2392	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	101
PID 2392 wrote to memory of 4336	2392	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	101
PID 2392 wrote to memory of 4336	2392	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	101
PID 2392 wrote to memory of 4336	2392	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	101
PID 2392 wrote to memory of 4336	2392	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	101
PID 2392 wrote to memory of 4336	2392	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	101
PID 2392 wrote to memory of 4336	2392	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	101
PID 4336 wrote to memory of 3396	4336	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	102
PID 4336 wrote to memory of 3396	4336	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	102
PID 4336 wrote to memory of 3396	4336	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	102
PID 3396 wrote to memory of 2648	3396	cmd.exe	106
PID 3396 wrote to memory of 2648	3396	cmd.exe	106
PID 3396 wrote to memory of 2648	3396	cmd.exe	106
PID 4336 wrote to memory of 3104	4336	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	107
PID 4336 wrote to memory of 3104	4336	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	107
PID 4336 wrote to memory of 3104	4336	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	107
PID 3104 wrote to memory of 3304	3104	skyrpe.exe	111
PID 3104 wrote to memory of 3304	3104	skyrpe.exe	111
PID 3104 wrote to memory of 3304	3104	skyrpe.exe	111
PID 3104 wrote to memory of 3304	3104	skyrpe.exe	111
PID 3104 wrote to memory of 3304	3104	skyrpe.exe	111
PID 3104 wrote to memory of 3304	3104	skyrpe.exe	111
PID 3104 wrote to memory of 3304	3104	skyrpe.exe	111
PID 3104 wrote to memory of 3304	3104	skyrpe.exe	111
PID 3104 wrote to memory of 3112	3104	skyrpe.exe	112
PID 3104 wrote to memory of 3112	3104	skyrpe.exe	112
PID 3104 wrote to memory of 3112	3104	skyrpe.exe	112
PID 3104 wrote to memory of 3112	3104	skyrpe.exe	112
PID 3104 wrote to memory of 3112	3104	skyrpe.exe	112
PID 3104 wrote to memory of 3112	3104	skyrpe.exe	112
PID 3112 wrote to memory of 3668	3112	skyrpe.exe	113
PID 3112 wrote to memory of 3668	3112	skyrpe.exe	113
PID 3112 wrote to memory of 3668	3112	skyrpe.exe	113

C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
"C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
  "C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4336
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VTRWJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3396
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Skype" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2648
- - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
    "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3104
  - - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
      "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3304
  - - C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
      "C:\Users\Admin\AppData\Roaming\skype\skyrpe.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:3112
    - - 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:3668

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\VTRWJ.txt

Filesize
139B

MD5
0654f004b2e314bad7f75867e91da37d

SHA1
4232c22e7340b12108d86e3cb35ed288a3dbc7f1

SHA256
ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

SHA512
dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

Download Submit
C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

Filesize
317KB

MD5
b0deb2988f4bd4e88a1b4e4f7a22719c

SHA1
baa2ace7d3948e6229fff2ba0294ce86b66c3e15

SHA256
ad90a490de838c5e3d6b260272b1453a8739789aed29b7d901eb508ec510789d

SHA512
ead0a34cbb172422ef2c0053502c48e8135a1188297e6b58c32aece2d287312e3d54aa351af7694447010ea8084bbee45d90e0f4f4a31195da4708c6047d2a86

Download Submit
memory/2392-8-0x0000000002BA0000-0x0000000002BA1000-memory.dmp

Filesize
4KB

Download
memory/2392-4-0x0000000002B80000-0x0000000002B81000-memory.dmp

Filesize
4KB

Download
memory/2392-6-0x0000000002B70000-0x0000000002B71000-memory.dmp

Filesize
4KB

Download
memory/2392-7-0x0000000002B90000-0x0000000002B91000-memory.dmp

Filesize
4KB

Download
memory/2392-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2392-3-0x0000000002B70000-0x0000000002B71000-memory.dmp

Filesize
4KB

Download
memory/2392-5-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2392-13-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3104-41-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3104-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3104-37-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3104-47-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3104-42-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3112-53-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3112-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3304-70-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3668-64-0x0000000000D10000-0x0000000000D15000-memory.dmp

Filesize
20KB

Download
memory/3668-68-0x0000000000D10000-0x0000000000D15000-memory.dmp

Filesize
20KB

Download
memory/3668-72-0x0000000000CE0000-0x0000000000CE5000-memory.dmp

Filesize
20KB

Download
memory/4336-43-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download