ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e

General

Target

ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
Size

173KB
MD5

e8227619e39e6cd408853bed7e928902
SHA1

126b90be2d357380e8fbe16f2aec43c9144b757a
SHA256

ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e
SHA512

41c88ad2d89da36698d3f929d2f3378e5032b8d8ae431bfc1413b0907e4fbf74cb0e587fb70cd53a56d3e0ea51c18f4ed25675e65ad544ef7b6e3cc64efa8f40
SSDEEP

3072:nzR3FYSzuAdX9df1TVqSomEWFmwg12QiIoSePkWeHyG7dd/l9LTk43uPDdfTP3Vs:F3FlqAdtzBPPWHiIVe8We1d/lJk43cdu

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1204	Explorer.EXE
464	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-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.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."	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe

Deletes itself 1 IoCs

pid	Process
664	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 1272 set thread context of 664	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe	27

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both"	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.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."	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$d4e37f8e5af09b64e86d0830097e992e\\n."	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\clsid	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
464	services.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1204	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
Token: SeDebugPrivilege	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
Token: SeDebugPrivilege	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
Token: SeDebugPrivilege	464	services.exe
Token: SeBackupPrivilege	464	services.exe
Token: SeRestorePrivilege	464	services.exe
Token: SeSecurityPrivilege	464	services.exe
Token: SeTakeOwnershipPrivilege	464	services.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 1204	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe	16
PID 1272 wrote to memory of 1204	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe	16
PID 1272 wrote to memory of 464	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe	2
PID 1272 wrote to memory of 664	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe	27
PID 1272 wrote to memory of 664	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe	27
PID 1272 wrote to memory of 664	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe	27
PID 1272 wrote to memory of 664	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe	27
PID 1272 wrote to memory of 664	1272	ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.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:464

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.exe
  "C:\Users\Admin\AppData\Local\Temp\ad5cd249cd7a5acecf01c9461ab6fd2d9623ebcbb25c0c66c95fd31a72a9c06e.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:1272
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:664

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\$d4e37f8e5af09b64e86d0830097e992e\@

Filesize
2KB

MD5
2625b90c1dafc856d94a4412311363af

SHA1
51529ad26e412823ddcef9929f27d1f880a2e97c

SHA256
feebee91a5bfe6f28d062b417d73aca8b3eaefc780ad246d5164cecd3e4427db

SHA512
c699668741476ff46e0d81bd8f47ceb2aa066ce4c1f2f810202ffa2601615944c6c3682af22eb9c983626a1ba4a079f3a3a1253ac70e2abd3c0a1017ecf8cdd4

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/1272-54-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1272-55-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1272-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1272-59-0x00000000002D0000-0x00000000002FF000-memory.dmp

Filesize
188KB

Download
memory/1272-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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