b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 07:15

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General

Target

b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
Size

197KB
MD5

d3fa003c76cb8d135dc71803f2a89c1b
SHA1

5a7f16f01574c4971a2d883e6abc6133f75e2778
SHA256

b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff
SHA512

947e6816759172a16ec351504a41363953f13bc394fddd2c9b8813b2b181e6fe7454e50179753a8942b98853e110b639e9eca4e69a85efec7eae1f26d3b5a531
SSDEEP

3072:n3K/eEZNrWKFXgrVFHMdEU4+B4I3hfr4FJ8ehq59MaKeGU/IP95CYwFnjEj:3CTsFHOErrC14FJ8ehqDKeGUCz

Score

8^/10

persistence

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both"	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{bfcb9398-bfb2-ca3f-1731-e604ea3da242}\\n."	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe

Unexpected DNS network traffic destination 4 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

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\clsid	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both"	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{bfcb9398-bfb2-ca3f-1731-e604ea3da242}\\n."	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2640	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
Token: SeDebugPrivilege	4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
Token: SeDebugPrivilege	4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 2640	4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe	39
PID 4152 wrote to memory of 2640	4152	b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:2640
- C:\Users\Admin\AppData\Local\Temp\b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
  "C:\Users\Admin\AppData\Local\Temp\b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe"
  2⤵
  - Registers COM server for autorun
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4152

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2640-135-0x0000000000F70000-0x0000000000F7C000-memory.dmp

Filesize
48KB

Download
memory/4152-132-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4152-133-0x0000000002040000-0x0000000002078000-memory.dmp

Filesize
224KB

Download
memory/4152-134-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4152-136-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download