andromeda | 536e9d0bcfcc8c949c3e6a6b85725603878e917bf783a2ce9ccc5e231fbba33b

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/09/2024, 00:25

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General

Target

0817a7d1a7d34d79e6445bbc319df3d0N.exe
Size

284KB
MD5

0817a7d1a7d34d79e6445bbc319df3d0
SHA1

62d3084442cd86e3e6ce9e4ebecf1489cf757025
SHA256

536e9d0bcfcc8c949c3e6a6b85725603878e917bf783a2ce9ccc5e231fbba33b
SHA512

bcd712b60dda33ec09f87af33da5e36197d37a0f8893a2f395d1545c7f945ad4a86ba6f601ae253afb17383cbfcd01419642f6a7e4ed06037079d4f73f9a3b7e
SSDEEP

3072:mSQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lC/:mPA6wxmuJspr2lo

Score

10^/10

andromeda backdoor botnet discovery persistence upx

Malware Config

Signatures

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/4512-61-0x0000000000D90000-0x0000000000D95000-memory.dmp	family_andromeda
behavioral2/memory/4512-65-0x0000000000D90000-0x0000000000D95000-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\58673 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mstypv.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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	0817a7d1a7d34d79e6445bbc319df3d0N.exe

Executes dropped EXE 3 IoCs

pid	Process
3480	skyrpe.exe
1060	skyrpe.exe
4640	skyrpe.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4364-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4364-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4364-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4364-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4364-55-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1060-67-0x0000000000400000-0x000000000040B000-memory.dmp	upx

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-1-5-21-2412658365-3084825385-3340777666-1000\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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	skyrpe.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	skyrpe.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 4364	2764	0817a7d1a7d34d79e6445bbc319df3d0N.exe	97
PID 3480 set thread context of 1060	3480	skyrpe.exe	104
PID 3480 set thread context of 4640	3480	skyrpe.exe	105

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\mstypv.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	0817a7d1a7d34d79e6445bbc319df3d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0817a7d1a7d34d79e6445bbc319df3d0N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skyrpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4640	skyrpe.exe
4640	skyrpe.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4640	skyrpe.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe
Token: SeDebugPrivilege	1060	skyrpe.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2764	0817a7d1a7d34d79e6445bbc319df3d0N.exe
4364	0817a7d1a7d34d79e6445bbc319df3d0N.exe
3480	skyrpe.exe
1060	skyrpe.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 4364	2764	0817a7d1a7d34d79e6445bbc319df3d0N.exe	97
PID 2764 wrote to memory of 4364	2764	0817a7d1a7d34d79e6445bbc319df3d0N.exe	97
PID 2764 wrote to memory of 4364	2764	0817a7d1a7d34d79e6445bbc319df3d0N.exe	97
PID 2764 wrote to memory of 4364	2764	0817a7d1a7d34d79e6445bbc319df3d0N.exe	97
PID 2764 wrote to memory of 4364	2764	0817a7d1a7d34d79e6445bbc319df3d0N.exe	97
PID 2764 wrote to memory of 4364	2764	0817a7d1a7d34d79e6445bbc319df3d0N.exe	97
PID 2764 wrote to memory of 4364	2764	0817a7d1a7d34d79e6445bbc319df3d0N.exe	97
PID 2764 wrote to memory of 4364	2764	0817a7d1a7d34d79e6445bbc319df3d0N.exe	97
PID 4364 wrote to memory of 1064	4364	0817a7d1a7d34d79e6445bbc319df3d0N.exe	98
PID 4364 wrote to memory of 1064	4364	0817a7d1a7d34d79e6445bbc319df3d0N.exe	98
PID 4364 wrote to memory of 1064	4364	0817a7d1a7d34d79e6445bbc319df3d0N.exe	98
PID 1064 wrote to memory of 384	1064	cmd.exe	101
PID 1064 wrote to memory of 384	1064	cmd.exe	101
PID 1064 wrote to memory of 384	1064	cmd.exe	101
PID 4364 wrote to memory of 3480	4364	0817a7d1a7d34d79e6445bbc319df3d0N.exe	102
PID 4364 wrote to memory of 3480	4364	0817a7d1a7d34d79e6445bbc319df3d0N.exe	102
PID 4364 wrote to memory of 3480	4364	0817a7d1a7d34d79e6445bbc319df3d0N.exe	102
PID 3480 wrote to memory of 1060	3480	skyrpe.exe	104
PID 3480 wrote to memory of 1060	3480	skyrpe.exe	104
PID 3480 wrote to memory of 1060	3480	skyrpe.exe	104
PID 3480 wrote to memory of 1060	3480	skyrpe.exe	104
PID 3480 wrote to memory of 1060	3480	skyrpe.exe	104
PID 3480 wrote to memory of 1060	3480	skyrpe.exe	104
PID 3480 wrote to memory of 1060	3480	skyrpe.exe	104
PID 3480 wrote to memory of 1060	3480	skyrpe.exe	104
PID 3480 wrote to memory of 4640	3480	skyrpe.exe	105
PID 3480 wrote to memory of 4640	3480	skyrpe.exe	105
PID 3480 wrote to memory of 4640	3480	skyrpe.exe	105
PID 3480 wrote to memory of 4640	3480	skyrpe.exe	105
PID 3480 wrote to memory of 4640	3480	skyrpe.exe	105
PID 3480 wrote to memory of 4640	3480	skyrpe.exe	105
PID 4640 wrote to memory of 4512	4640	skyrpe.exe	106
PID 4640 wrote to memory of 4512	4640	skyrpe.exe	106
PID 4640 wrote to memory of 4512	4640	skyrpe.exe	106

C:\Users\Admin\AppData\Local\Temp\0817a7d1a7d34d79e6445bbc319df3d0N.exe
"C:\Users\Admin\AppData\Local\Temp\0817a7d1a7d34d79e6445bbc319df3d0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Users\Admin\AppData\Local\Temp\0817a7d1a7d34d79e6445bbc319df3d0N.exe
  "C:\Users\Admin\AppData\Local\Temp\0817a7d1a7d34d79e6445bbc319df3d0N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4364
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IJCJJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1064
  - - 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:384
- - 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:3480
  - - 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:1060
  - - 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:4640
    - - 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:4512

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\IJCJJ.txt

Filesize
139B

MD5
0654f004b2e314bad7f75867e91da37d

SHA1
4232c22e7340b12108d86e3cb35ed288a3dbc7f1

SHA256
ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

SHA512
dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

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

Filesize
284KB

MD5
e5ff529f63ae3c2bd557af777f54036b

SHA1
8cb49e903331a1734b82351d2294c3e49365800c

SHA256
fb9e7614ee34cdfd555c0f9e611d5ba77e5bce9e917536939b09d4d8bfb288df

SHA512
4afff875f216caf04a2788836c5cef0d50d3ae91cc1b2ab576c97278844f14914b5f4e1f895a6e0621ea3044c358f89831491cfa5520a812300db1a0cf52858b

Download Submit
memory/1060-67-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-2-0x0000000002B50000-0x0000000002B51000-memory.dmp

Filesize
4KB

Download
memory/2764-4-0x0000000002B50000-0x0000000002B51000-memory.dmp

Filesize
4KB

Download
memory/2764-5-0x0000000002B70000-0x0000000002B71000-memory.dmp

Filesize
4KB

Download
memory/2764-6-0x0000000002B80000-0x0000000002B81000-memory.dmp

Filesize
4KB

Download
memory/2764-3-0x0000000002B60000-0x0000000002B61000-memory.dmp

Filesize
4KB

Download
memory/3480-43-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3480-54-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3480-37-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3480-38-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4364-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4364-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4364-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4364-55-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4364-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4512-59-0x0000000000790000-0x0000000000795000-memory.dmp

Filesize
20KB

Download
memory/4512-61-0x0000000000D90000-0x0000000000D95000-memory.dmp

Filesize
20KB

Download
memory/4512-65-0x0000000000D90000-0x0000000000D95000-memory.dmp

Filesize
20KB

Download
memory/4640-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4640-46-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download