andromeda | 240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacd

Analysis

max time kernel
149s
max time network
151s
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 12:05

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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/756-64-0x0000000000E30000-0x0000000000E35000-memory.dmp	family_andromeda
behavioral2/memory/756-68-0x0000000000E30000-0x0000000000E35000-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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\60662 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mszoetdax.pif"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	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	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe

Executes dropped EXE 3 IoCs

pid	Process
1772	skyrpe.exe
4124	skyrpe.exe
3124	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-1-5-21-4089630652-1596403869-279772308-1000\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 1848 set thread context of 2148	1848	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	97
PID 1772 set thread context of 4124	1772	skyrpe.exe	105
PID 1772 set thread context of 3124	1772	skyrpe.exe	106

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1848-0-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1848-5-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2148-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2148-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1848-13-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2148-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0007000000023cb5-30.dat	upx
behavioral2/memory/1772-37-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1772-41-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1772-42-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2148-43-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1772-47-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1772-58-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2148-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4124-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\mszoetdax.pif	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	skyrpe.exe
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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3124	skyrpe.exe
3124	skyrpe.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3124	skyrpe.exe

Suspicious use of AdjustPrivilegeToken 57 IoCs

description	pid	Process
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe
Token: SeDebugPrivilege	4124	skyrpe.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1848	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
2148	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
1772	skyrpe.exe
4124	skyrpe.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2148	1848	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	97
PID 1848 wrote to memory of 2148	1848	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	97
PID 1848 wrote to memory of 2148	1848	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	97
PID 1848 wrote to memory of 2148	1848	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	97
PID 1848 wrote to memory of 2148	1848	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	97
PID 1848 wrote to memory of 2148	1848	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	97
PID 1848 wrote to memory of 2148	1848	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	97
PID 1848 wrote to memory of 2148	1848	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	97
PID 2148 wrote to memory of 3288	2148	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	98
PID 2148 wrote to memory of 3288	2148	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	98
PID 2148 wrote to memory of 3288	2148	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	98
PID 3288 wrote to memory of 4004	3288	cmd.exe	101
PID 3288 wrote to memory of 4004	3288	cmd.exe	101
PID 3288 wrote to memory of 4004	3288	cmd.exe	101
PID 2148 wrote to memory of 1772	2148	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	102
PID 2148 wrote to memory of 1772	2148	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	102
PID 2148 wrote to memory of 1772	2148	240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe	102
PID 1772 wrote to memory of 4124	1772	skyrpe.exe	105
PID 1772 wrote to memory of 4124	1772	skyrpe.exe	105
PID 1772 wrote to memory of 4124	1772	skyrpe.exe	105
PID 1772 wrote to memory of 4124	1772	skyrpe.exe	105
PID 1772 wrote to memory of 4124	1772	skyrpe.exe	105
PID 1772 wrote to memory of 4124	1772	skyrpe.exe	105
PID 1772 wrote to memory of 4124	1772	skyrpe.exe	105
PID 1772 wrote to memory of 4124	1772	skyrpe.exe	105
PID 1772 wrote to memory of 3124	1772	skyrpe.exe	106
PID 1772 wrote to memory of 3124	1772	skyrpe.exe	106
PID 1772 wrote to memory of 3124	1772	skyrpe.exe	106
PID 1772 wrote to memory of 3124	1772	skyrpe.exe	106
PID 1772 wrote to memory of 3124	1772	skyrpe.exe	106
PID 1772 wrote to memory of 3124	1772	skyrpe.exe	106
PID 3124 wrote to memory of 756	3124	skyrpe.exe	107
PID 3124 wrote to memory of 756	3124	skyrpe.exe	107
PID 3124 wrote to memory of 756	3124	skyrpe.exe	107

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:1848
- 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:2148
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DYCQG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3288
  - - 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:4004
- - 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:1772
  - - 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:4124
  - - 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:3124
    - - 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:756

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\DYCQG.txt

Filesize
139B

MD5
0654f004b2e314bad7f75867e91da37d

SHA1
4232c22e7340b12108d86e3cb35ed288a3dbc7f1

SHA256
ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

SHA512
dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

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

Filesize
317KB

MD5
de8c96f643e0d7296dce6a2415c3c385

SHA1
2e937fc42eff719cc096638737bf93ca9b15b2a3

SHA256
53c72f2b613e00ef0eac69738ac8ab59b717e4cc91b35b5fc687ce8d4c74fab8

SHA512
9ddbcafe11115e8ad50eaa26af945d4513052852d1bacb5cc52fe926116feeea70028e2102992f210430ec193a08020632a8bcbbc62653560fc78fe78b90a728

Download Submit
memory/756-72-0x0000000000E00000-0x0000000000E05000-memory.dmp

Filesize
20KB

Download
memory/756-68-0x0000000000E30000-0x0000000000E35000-memory.dmp

Filesize
20KB

Download
memory/756-64-0x0000000000E30000-0x0000000000E35000-memory.dmp

Filesize
20KB

Download
memory/1772-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1772-47-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1772-42-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1772-41-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1772-37-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1848-8-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/1848-6-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/1848-13-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1848-3-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/1848-4-0x0000000002B90000-0x0000000002B91000-memory.dmp

Filesize
4KB

Download
memory/1848-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1848-5-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1848-7-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/2148-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-43-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3124-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3124-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4124-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download