8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9

General

Target

8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
Size

152KB
MD5

77fcb9823526386b02d5a0a68c8d1ac0
SHA1

6e9979fe1e233ba56577ade4bde0b196a0479f5d
SHA256

8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9
SHA512

b169eea295d64837172fa02e5aa00e17e4906bcdc468b4adafb58481c26b04415c833242629bda72d250bd8ab442bdc36215255854e72d99563330020c779bfa
SSDEEP

3072:3RjF2wJhQDNo11NKdNuRf7U+3Kyb4U02awKgQCLFPIkc:hJ3P0+9icRfQ+6i02aytwkc

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
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.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."	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe

Deletes itself 1 IoCs

pid	Process
1568	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 1388 set thread context of 1568	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe	26

Modifies registry class 6 IoCs

description	ioc	Process
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."	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$f545a6cb63874d75375b4ac5befd06b3\\n."	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\clsid	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
460	services.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
Token: SeDebugPrivilege	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
Token: SeDebugPrivilege	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
Token: SeDebugPrivilege	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 1388 wrote to memory of 1396	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe	13
PID 1388 wrote to memory of 1396	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe	13
PID 1388 wrote to memory of 460	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe	2
PID 1388 wrote to memory of 1568	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe	26
PID 1388 wrote to memory of 1568	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe	26
PID 1388 wrote to memory of 1568	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe	26
PID 1388 wrote to memory of 1568	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe	26
PID 1388 wrote to memory of 1568	1388	8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.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:1396
- C:\Users\Admin\AppData\Local\Temp\8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.exe
  "C:\Users\Admin\AppData\Local\Temp\8a03d7389e40a4bd0fc20b4de5812aaee6b8f5a20e164d3949a637ce66f825a9.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:1388
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:1568

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\$f545a6cb63874d75375b4ac5befd06b3\@

Filesize
2KB

MD5
67adbc61ff1f658423cde9e32a34d906

SHA1
896fd3afc7e48355e3d7e81becb4d3d938fed94a

SHA256
4504b9c0e3873f799f71d31cd078411cbf5c64913c570551be7307e355ebf47e

SHA512
80fbd4df4de6f35e2f0295c3a36ffd72379efc9897245f16dc13e0d6fe40ede8bc8016969a1b900f6fbbce88ac2e0f1a0155ff729430923869d1e79c78f06b67

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/1388-54-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1388-55-0x0000000000230000-0x000000000025D000-memory.dmp

Filesize
180KB

Download
memory/1388-62-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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