andromeda | 4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2024 21:51

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General

Target

4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe
Size

284KB
MD5

75595a4ebc9137daa39e031400b31248
SHA1

dd824c02974544ac33a1b704baa822425c53cd09
SHA256

4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475
SHA512

e8eaf97bb4d1cc4c6f3cab9a7b008c44bf9f0ee55e0f80ccef59e7d253ce5402a77c3b5b26b498f74edd3f81569922610773f4ad6064aaed3cbb71351a6804d2
SSDEEP

3072:rSQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lC:rPA6wxmuJspr2l

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

Processes:

resource	yara_rule
behavioral2/memory/4768-60-0x00000000009E0000-0x00000000009E5000-memory.dmp	family_andromeda
behavioral2/memory/4768-64-0x00000000009E0000-0x00000000009E5000-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

Processes:

svchost.exe

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\177 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msqoegj.com"	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

Processes:

4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe

Executes dropped EXE 3 IoCs

Processes:

skyrpe.exeskyrpe.exeskyrpe.exe

pid	Process
868	skyrpe.exe
4940	skyrpe.exe
2676	skyrpe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

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

Processes:

skyrpe.exe

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

Processes:

4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exeskyrpe.exe

description	pid	Process	procid_target
PID 4088 set thread context of 4888	4088	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	101
PID 868 set thread context of 4940	868	skyrpe.exe	110
PID 868 set thread context of 2676	868	skyrpe.exe	111

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4888-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4888-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4888-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4888-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4888-55-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4940-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

svchost.exe

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msqoegj.com	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

Processes:

cmd.exereg.exeskyrpe.exeskyrpe.exeskyrpe.exesvchost.exe4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe

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	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	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

skyrpe.exe

pid	Process
2676	skyrpe.exe
2676	skyrpe.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

skyrpe.exe

pid	Process
2676	skyrpe.exe

Suspicious use of AdjustPrivilegeToken 57 IoCs

Processes:

skyrpe.exe

description	pid	Process
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe
Token: SeDebugPrivilege	4940	skyrpe.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exeskyrpe.exeskyrpe.exe

pid	Process
4088	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe
4888	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe
868	skyrpe.exe
4940	skyrpe.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.execmd.exeskyrpe.exeskyrpe.exe

description	pid	Process	procid_target
PID 4088 wrote to memory of 4888	4088	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	101
PID 4088 wrote to memory of 4888	4088	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	101
PID 4088 wrote to memory of 4888	4088	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	101
PID 4088 wrote to memory of 4888	4088	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	101
PID 4088 wrote to memory of 4888	4088	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	101
PID 4088 wrote to memory of 4888	4088	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	101
PID 4088 wrote to memory of 4888	4088	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	101
PID 4088 wrote to memory of 4888	4088	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	101
PID 4888 wrote to memory of 3528	4888	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	103
PID 4888 wrote to memory of 3528	4888	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	103
PID 4888 wrote to memory of 3528	4888	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	103
PID 3528 wrote to memory of 4980	3528	cmd.exe	107
PID 3528 wrote to memory of 4980	3528	cmd.exe	107
PID 3528 wrote to memory of 4980	3528	cmd.exe	107
PID 4888 wrote to memory of 868	4888	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	108
PID 4888 wrote to memory of 868	4888	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	108
PID 4888 wrote to memory of 868	4888	4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe	108
PID 868 wrote to memory of 4940	868	skyrpe.exe	110
PID 868 wrote to memory of 4940	868	skyrpe.exe	110
PID 868 wrote to memory of 4940	868	skyrpe.exe	110
PID 868 wrote to memory of 4940	868	skyrpe.exe	110
PID 868 wrote to memory of 4940	868	skyrpe.exe	110
PID 868 wrote to memory of 4940	868	skyrpe.exe	110
PID 868 wrote to memory of 4940	868	skyrpe.exe	110
PID 868 wrote to memory of 4940	868	skyrpe.exe	110
PID 868 wrote to memory of 2676	868	skyrpe.exe	111
PID 868 wrote to memory of 2676	868	skyrpe.exe	111
PID 868 wrote to memory of 2676	868	skyrpe.exe	111
PID 868 wrote to memory of 2676	868	skyrpe.exe	111
PID 868 wrote to memory of 2676	868	skyrpe.exe	111
PID 868 wrote to memory of 2676	868	skyrpe.exe	111
PID 2676 wrote to memory of 4768	2676	skyrpe.exe	112
PID 2676 wrote to memory of 4768	2676	skyrpe.exe	112
PID 2676 wrote to memory of 4768	2676	skyrpe.exe	112

C:\Users\Admin\AppData\Local\Temp\4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe
"C:\Users\Admin\AppData\Local\Temp\4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4088
- C:\Users\Admin\AppData\Local\Temp\4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe
  "C:\Users\Admin\AppData\Local\Temp\4c01a58c915b9ba70433b492b41d668baa3952bb49e76dcdf62ddcbcda0ee475.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4888
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SYOMQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3528
  - - 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:4980
- - 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:868
  - - 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:4940
  - - 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:2676
    - - 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:4768

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\SYOMQ.txt

Filesize
139B

MD5
0654f004b2e314bad7f75867e91da37d

SHA1
4232c22e7340b12108d86e3cb35ed288a3dbc7f1

SHA256
ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

SHA512
dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

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

Filesize
284KB

MD5
71f4246962490e0c27486324970a1777

SHA1
b427529a71b1b763bb4e362ce3fab4e06be38595

SHA256
bd03c91669e93d653554e2998f47931f28dbe310ed2c51396e5a15fa6948bdcd

SHA512
ecb43774556dd5463492e3388b952ffc185883d7695a2b0ebdfe7eb888719b2f4947d333604ec3011e7116bc185b1acb60ff88c414cc419f71a5badbec3a5a63

Download Submit
memory/868-54-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/868-43-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/868-38-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/868-37-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2676-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2676-47-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4088-4-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/4088-2-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/4088-6-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4088-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/4088-3-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/4768-60-0x00000000009E0000-0x00000000009E5000-memory.dmp

Filesize
20KB

Download
memory/4768-64-0x00000000009E0000-0x00000000009E5000-memory.dmp

Filesize
20KB

Download
memory/4768-68-0x00000000009B0000-0x00000000009B5000-memory.dmp

Filesize
20KB

Download
memory/4888-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4888-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4888-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4888-55-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4888-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4940-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download