fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577

General

Target

fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Size

196KB
MD5

8e27c00f7984eafa860f280f83268b51
SHA1

6b35b13e57421274d8435cb5017d33c1cbc2a92b
SHA256

fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577
SHA512

c0f194adc202f8b5c8af957bddc319bc150f2d77d86f1399ccf9d2faf5472581d34ce0db40234664b78ae113b88c36c3406501cb97ec9627e0c7abb72975c780
SSDEEP

3072:53A+8nuluJdw5as8Vv3I+cuo8y/2katve8z5br+T8dWj9Ees+xPCUZKki7H+Y:53qnRw5RL+cuoG793qTA+xPT3EV

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1348	Explorer.EXE
472	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\\$d4e37f8e5af09b64e86d0830097e992e\\n."	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-4063495947-34355257-727531523-1000\\$d4e37f8e5af09b64e86d0830097e992e\\n."	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe

Deletes itself 1 IoCs

pid	Process
1708	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 1456 set thread context of 1708	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe	27

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-4063495947-34355257-727531523-1000\\$d4e37f8e5af09b64e86d0830097e992e\\n."	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\clsid	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
472	services.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1348	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Token: SeDebugPrivilege	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Token: SeDebugPrivilege	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
Token: SeDebugPrivilege	472	services.exe
Token: SeBackupPrivilege	472	services.exe
Token: SeRestorePrivilege	472	services.exe
Token: SeSecurityPrivilege	472	services.exe
Token: SeTakeOwnershipPrivilege	472	services.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1348	Explorer.EXE
1348	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1348	Explorer.EXE
1348	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1348	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe	7
PID 1456 wrote to memory of 1348	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe	7
PID 1456 wrote to memory of 472	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe	2
PID 1456 wrote to memory of 1708	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe	27
PID 1456 wrote to memory of 1708	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe	27
PID 1456 wrote to memory of 1708	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe	27
PID 1456 wrote to memory of 1708	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe	27
PID 1456 wrote to memory of 1708	1456	fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.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:472

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1348
- C:\Users\Admin\AppData\Local\Temp\fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.exe
  "C:\Users\Admin\AppData\Local\Temp\fa3a9502782c8ab51f5083b055fa354e3eeaf479b51bd1b6f804645b37482577.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:1456
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:1708

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\$d4e37f8e5af09b64e86d0830097e992e\@

Filesize
2KB

MD5
42876f47c3e3a806d36d9402d99c8624

SHA1
14d3a25595f20d900abec5b6a485180d6958fd22

SHA256
5ac8385a3c8305a8baa8fa98af3e289f5c62814af50814a02aed41c2f7577b55

SHA512
15574fc242048ee5a22623e1df0ba290e2662863fd0aff48e45c19d69141e455b526e142fb6b3d83eaeea5409b7453b11336c20e6b049ba495c0c6b299f6fc57

Download Submit
C:\$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
C:\$Recycle.Bin\S-1-5-21-4063495947-34355257-727531523-1000\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
\$Recycle.Bin\S-1-5-21-4063495947-34355257-727531523-1000\$d4e37f8e5af09b64e86d0830097e992e\n

Filesize
41KB

MD5
fb4e3236959152a057bc6b7603c538ef

SHA1
b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

SHA256
8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

SHA512
993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

Download Submit
memory/1348-67-0x000007FEFA9F0000-0x000007FEFAB33000-memory.dmp

Filesize
1.3MB

Download
memory/1348-68-0x000007FF1D120000-0x000007FF1D12A000-memory.dmp

Filesize
40KB

Download
memory/1456-59-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1456-57-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1456-58-0x0000000000230000-0x0000000000263000-memory.dmp

Filesize
204KB

Download
memory/1456-56-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1456-54-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1456-55-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1456-66-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing