aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21

General

Target

aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
Size

196KB
MD5

9de659068824ea5cb5c3ef413b739084
SHA1

15c73fc76dc7ab13fa2b0823dd710e48265139b5
SHA256

aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21
SHA512

9b9840d0f8a2cb9897d4627620ccda31e6e632cb3635273fbaff9281d903046ebafac4eb2fbf11640436c4c915b49523b935a9f03a41f51490e16396a8c518dc
SSDEEP

3072:ogniFLb8zQduAVW861PCI0v//05imQ6glYghaX9Pv8mcDnJUKsas+xPCUZKkiIHJ:bQLb8Zz0IW/MnQZYTXJho/i+xPT3vJ

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1324	Explorer.EXE
460	services.exe

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.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."	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$bb8ab67ad8382496fd4eead6952e3208\\n."	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe

Deletes itself 1 IoCs

pid	Process
2040	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_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 1712 set thread context of 2040	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe	28

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\clsid	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.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."	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$bb8ab67ad8382496fd4eead6952e3208\\n."	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
460	services.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
Token: SeDebugPrivilege	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
Token: SeDebugPrivilege	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.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
Token: SeShutdownPrivilege	1324	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1324	Explorer.EXE
1324	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1324	Explorer.EXE
1324	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 1324	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe	16
PID 1712 wrote to memory of 1324	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe	16
PID 1712 wrote to memory of 460	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe	2
PID 1712 wrote to memory of 2040	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe	28
PID 1712 wrote to memory of 2040	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe	28
PID 1712 wrote to memory of 2040	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe	28
PID 1712 wrote to memory of 2040	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe	28
PID 1712 wrote to memory of 2040	1712	aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe	28

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:\Users\Admin\AppData\Local\Temp\aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.exe
"C:\Users\Admin\AppData\Local\Temp\aa377e8482a2090eaf31c07c85e5d273a753ff36173b11f007c878907fd8be21.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:1712
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe"
  2⤵
  - Deletes itself
  PID:2040

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1324

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
bfe1d1af0f472f09fc9165a9fddae2a0

SHA1
1aa6722529471744d84f366dc4c09ff548d50d97

SHA256
df1bf75ab979a884e3f217132f2f13f12014df0d29dcf23dec7c3b8c7ba0dad8

SHA512
80e0700e56cff423946a462dd4d92f52e190f0183aebef6fe93d7c4c8f3e88d433cd4b8d865dd7d72ce9d8c96473774f0e3de13e7d4b2bc02d916be1e1acfeac

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/1712-54-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1712-55-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1712-59-0x00000000002B0000-0x00000000002E3000-memory.dmp

Filesize
204KB

Download
memory/1712-58-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1712-64-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2040-63-0x0000000000000000-mapping.dmp

Download

Analysis

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