57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87

General

Target

57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Size

146KB
MD5

a0eee561b4dc68d89840b952654aea20
SHA1

67e3d6c2290cb31bfad69bd04cb6599aee625a12
SHA256

57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87
SHA512

bdeeff2e3e064686d306e4f2752803c817b85afc89e98826c5e2f09f6c8cdebb395c5b68839ef27fce2c5b26d7ea655277bebed563d6a50d64f6c92e415456e6
SSDEEP

3072:vCz3mXUlEaZz1PZ6hIk69Y9SC48tgC8Xv:vCz3mUlEs1PZNhWS5Ci

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1396	Explorer.EXE
460	services.exe

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$bb8ab67ad8382496fd4eead6952e3208\\n."	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3845472200-3839195424-595303356-1000\\$bb8ab67ad8382496fd4eead6952e3208\\n."	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe

Deletes itself 1 IoCs

pid	Process
1720	cmd.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_64\Desktop.ini	services.exe
File created	\systemroot\assembly\GAC_32\Desktop.ini	services.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1508 set thread context of 1720	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe	27

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3845472200-3839195424-595303356-1000\\$bb8ab67ad8382496fd4eead6952e3208\\n."	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$bb8ab67ad8382496fd4eead6952e3208\\n."	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\clsid	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
460	services.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Token: SeDebugPrivilege	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Token: SeDebugPrivilege	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
Token: SeDebugPrivilege	460	services.exe
Token: SeBackupPrivilege	460	services.exe
Token: SeRestorePrivilege	460	services.exe
Token: SeSecurityPrivilege	460	services.exe
Token: SeTakeOwnershipPrivilege	460	services.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1396	Explorer.EXE
1396	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1396	Explorer.EXE
1396	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 1396	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe	14
PID 1508 wrote to memory of 1396	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe	14
PID 1508 wrote to memory of 460	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe	2
PID 1508 wrote to memory of 1720	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe	27
PID 1508 wrote to memory of 1720	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe	27
PID 1508 wrote to memory of 1720	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe	27
PID 1508 wrote to memory of 1720	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe	27
PID 1508 wrote to memory of 1720	1508	57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe	27

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:460

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1396
- C:\Users\Admin\AppData\Local\Temp\57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe
  "C:\Users\Admin\AppData\Local\Temp\57e57c5682a05ecb6d40c665746569ffa652da7d61d033a233c458b782472d87.exe"
  2⤵
  - Registers COM server for autorun
  - Suspicious use of SetThreadContext
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1508
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:1720

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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\$bb8ab67ad8382496fd4eead6952e3208\@

Filesize
2KB

MD5
5aa62613f33db7218f148c4dbabd66c8

SHA1
4f21b1b4004e620eb56137222f1e74672adf622e

SHA256
8d632fc8bc169cc751c5080a72635344fa507bc95b38f583dc8428767537a941

SHA512
c129bd40d42476668136e45bbf6f46bfcc0828cabaf7ce75f74edcd74a458fcbf4abaa724aa24765b7f282699a29ad5626bbf30c990fd1f0560fcdbc10fc9c55

Download Submit
C:\$Recycle.Bin\S-1-5-18\$bb8ab67ad8382496fd4eead6952e3208\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
C:\$Recycle.Bin\S-1-5-21-3845472200-3839195424-595303356-1000\$bb8ab67ad8382496fd4eead6952e3208\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-18\$bb8ab67ad8382496fd4eead6952e3208\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-21-3845472200-3839195424-595303356-1000\$bb8ab67ad8382496fd4eead6952e3208\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/1508-54-0x0000000000270000-0x00000000002AA000-memory.dmp

Filesize
232KB

Download
memory/1508-55-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1508-56-0x0000000000270000-0x00000000002AA000-memory.dmp

Filesize
232KB

Download
memory/1508-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1508-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

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