56c1a28f84e286c53178a2d631a1df4409bdb5fa0c0452a244ea9defc4d6d2ad

General

Target

20b54556a3a3101e060d2d04621b33d5.exe
Size

157KB
MD5

20b54556a3a3101e060d2d04621b33d5
SHA1

a18f78bc460e15ce2f98fae4423d4856728a3a31
SHA256

56c1a28f84e286c53178a2d631a1df4409bdb5fa0c0452a244ea9defc4d6d2ad
SHA512

59ce38cd81a14d9a76e671dc6685702a458d2dd6021ae95f18e123782e79c0ba31356426f694b3ee7c31e16953f52afc4091aeef19367a3ef86d2b857ad5ff0b
SSDEEP

3072:waFoV8RSJAm1gJ5LHRpL48eSURN5QCwJ9OcMkEeIhvryajU0of3Qw4+:waKAm1gfHR5nenTcXIH1w4

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2552	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1276	Explorer.EXE
484	services.exe

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	20b54556a3a3101e060d2d04621b33d5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3470981204-343661084-3367201002-1000\\$db46509d5d121bd0d886080973d781e7\\n."	20b54556a3a3101e060d2d04621b33d5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$db46509d5d121bd0d886080973d781e7\\n."	20b54556a3a3101e060d2d04621b33d5.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	20b54556a3a3101e060d2d04621b33d5.exe

Unexpected DNS network traffic destination 9 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20
Destination IP	83.133.123.20

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	\systemroot\assembly\GAC_32\Desktop.ini	services.exe
File created	\systemroot\assembly\GAC_64\Desktop.ini	services.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2552	2732	20b54556a3a3101e060d2d04621b33d5.exe	28

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\clsid	20b54556a3a3101e060d2d04621b33d5.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	20b54556a3a3101e060d2d04621b33d5.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	20b54556a3a3101e060d2d04621b33d5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	20b54556a3a3101e060d2d04621b33d5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3470981204-343661084-3367201002-1000\\$db46509d5d121bd0d886080973d781e7\\n."	20b54556a3a3101e060d2d04621b33d5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$db46509d5d121bd0d886080973d781e7\\n."	20b54556a3a3101e060d2d04621b33d5.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2732	20b54556a3a3101e060d2d04621b33d5.exe
2732	20b54556a3a3101e060d2d04621b33d5.exe
2732	20b54556a3a3101e060d2d04621b33d5.exe
2732	20b54556a3a3101e060d2d04621b33d5.exe
2732	20b54556a3a3101e060d2d04621b33d5.exe
2732	20b54556a3a3101e060d2d04621b33d5.exe
484	services.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	20b54556a3a3101e060d2d04621b33d5.exe
Token: SeDebugPrivilege	2732	20b54556a3a3101e060d2d04621b33d5.exe
Token: SeDebugPrivilege	2732	20b54556a3a3101e060d2d04621b33d5.exe
Token: SeDebugPrivilege	484	services.exe
Token: SeBackupPrivilege	484	services.exe
Token: SeRestorePrivilege	484	services.exe
Token: SeSecurityPrivilege	484	services.exe
Token: SeTakeOwnershipPrivilege	484	services.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1276	Explorer.EXE
1276	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1276	Explorer.EXE
1276	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 1276	2732	20b54556a3a3101e060d2d04621b33d5.exe	7
PID 2732 wrote to memory of 1276	2732	20b54556a3a3101e060d2d04621b33d5.exe	7
PID 2732 wrote to memory of 484	2732	20b54556a3a3101e060d2d04621b33d5.exe	22
PID 2732 wrote to memory of 2552	2732	20b54556a3a3101e060d2d04621b33d5.exe	28
PID 2732 wrote to memory of 2552	2732	20b54556a3a3101e060d2d04621b33d5.exe	28
PID 2732 wrote to memory of 2552	2732	20b54556a3a3101e060d2d04621b33d5.exe	28
PID 2732 wrote to memory of 2552	2732	20b54556a3a3101e060d2d04621b33d5.exe	28
PID 2732 wrote to memory of 2552	2732	20b54556a3a3101e060d2d04621b33d5.exe	28

C:\Users\Admin\AppData\Local\Temp\20b54556a3a3101e060d2d04621b33d5.exe
"C:\Users\Admin\AppData\Local\Temp\20b54556a3a3101e060d2d04621b33d5.exe"
1⤵
- Registers COM server for autorun
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe"
  2⤵
  - Deletes itself
  PID:2552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1276

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-18\$db46509d5d121bd0d886080973d781e7\@

Filesize
2KB

MD5
2518cc3616ef14183237b5f5c59ad1d6

SHA1
27013e406eded4eb43238c47e992cd8f0f35ff57

SHA256
896eff101fee0cf1484b236f4104fa8672e681d2f190469f41e9298ce2c9b06e

SHA512
4d96c3abf4dced56449aa3b77e6271c3cbaccfe7f6fcc662e9521404adfe203f4aad5ce5d4c8da3f91d5a1a0f461bf819ebbcd99a35b8733f8f8ad3ea350fd73

Download Submit
\$Recycle.Bin\S-1-5-18\$db46509d5d121bd0d886080973d781e7\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/484-23-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/484-15-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/1276-22-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1276-7-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2732-6-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2732-1-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2732-5-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2732-4-0x0000000000230000-0x000000000026A000-memory.dmp

Filesize
232KB

Download
memory/2732-3-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2732-21-0x0000000000230000-0x000000000026A000-memory.dmp

Filesize
232KB

Download
memory/2732-20-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2732-2-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2732-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads