aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd

General

Target

aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
Size

190KB
MD5

214203eff0dc03f98d5568c3fa8a2d90
SHA1

fb54d172d4d7451d9cfbb942bba6c245d82acd1b
SHA256

aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd
SHA512

1dc5a922f89e5064a6797e30a1f3f45e4a059f5b745f07fb48154983f2d57b6c61df796fed785e1098f7bafc09124b9965cb19b8ff6be3d937ff5bfbe91a72b4
SSDEEP

3072:F8eowfKBkfNe+TcxbxMDGjJk+isC5LOMlAbF6POpxuXKACwE6uAjmpxOtQACSqv/:FywfWpLJk+lNM6bEe7WQACVv328L3

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1188	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-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-999675638-2867687379-27515722-1000\\$f545a6cb63874d75375b4ac5befd06b3\\n."	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe

Deletes itself 1 IoCs

pid	Process
788	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 1348 set thread context of 788	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe	26

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\clsid	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-999675638-2867687379-27515722-1000\\$f545a6cb63874d75375b4ac5befd06b3\\n."	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
460	services.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
Token: SeDebugPrivilege	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
Token: SeDebugPrivilege	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.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
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 1188	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe	14
PID 1348 wrote to memory of 1188	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe	14
PID 1348 wrote to memory of 460	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe	2
PID 1348 wrote to memory of 788	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe	26
PID 1348 wrote to memory of 788	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe	26
PID 1348 wrote to memory of 788	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe	26
PID 1348 wrote to memory of 788	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe	26
PID 1348 wrote to memory of 788	1348	aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe	26

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:1188
- C:\Users\Admin\AppData\Local\Temp\aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.exe
  "C:\Users\Admin\AppData\Local\Temp\aa6aa32480cfc1b8c4e054735320962dd9307e4f268344c929a81b118413f2bd.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:1348
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:788

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-18\$f545a6cb63874d75375b4ac5befd06b3\@

Filesize
2KB

MD5
225481a3ce54a9614451f83831f58518

SHA1
a0a0794d25bbe73951f8ca8278625d13633d1ea6

SHA256
606fc9a4751750555ec05151aced981fb74d346a12c6fe392819e7e6c96f73f7

SHA512
b61a355b340ee0285d75f2060b691df55efa82c75d3a4dc0c2ceed0627565e091ae3730f26304c0b92e279ac7054dee01931d2c9be55cd62bef97d6595af2a48

Download Submit
C:\$Recycle.Bin\S-1-5-18\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
C:\$Recycle.Bin\S-1-5-21-999675638-2867687379-27515722-1000\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-18\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-21-999675638-2867687379-27515722-1000\$f545a6cb63874d75375b4ac5befd06b3\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/1348-59-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1348-60-0x00000000005D0000-0x00000000005EF000-memory.dmp

Filesize
124KB

Download
memory/1348-62-0x00000000005D0000-0x00000000005EF000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing