Analysis
- max time kernel
136s - max time network
145s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
06/03/2024, 04:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b67d52bf30515f2537b0a3a076ee60dd.exe
Resource
win7-20240221-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
b67d52bf30515f2537b0a3a076ee60dd.exe
Resource
win10v2004-20240226-en
5 signatures
150 seconds
General
- Target b67d52bf30515f2537b0a3a076ee60dd.exe
- Size 2.0MB
- Sample240306-exj58aah41
- SHA256 6bbabed7b0f11e304b0cb97013c9095d51fa330aee3a966b5626088e92a0dfeb
- MD5 b67d52bf30515f2537b0a3a076ee60dd
- SHA1 b1c9f57fc7f1ff921a54e0924a1d7bd9c1edb68b
- SHA512 8a4b887fe795231f2dd9fd3150cd098f375c7f0d83536ff06268036208ce8be6ee72a2fda8a1b6db81ad7b79c59b96d53bc89710f1f04d4d90df9adcdd8b994a
- SSDEEP 24576:8vD/8Oxqy4G3a1/0RtrlrAmTOflhrXOqOUrD2xxD1vJPX:8jyyZ3a1/0RtrlrAbtVKhxD1hPX
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
cobaltstrike
C2
-
http://47.100.48.157:8787/jquery-3.3.2.slim.min.js
Attributes
-
user_agent
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Referer: http://code.jquery.com/ Accept-Encoding: gzip, deflate User-Agent: Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko
Signatures
- Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2240 wrote to memory of 1100 2240 b67d52bf30515f2537b0a3a076ee60dd.exe 28 PID 2240 wrote to memory of 1100 2240 b67d52bf30515f2537b0a3a076ee60dd.exe 28 PID 2240 wrote to memory of 1100 2240 b67d52bf30515f2537b0a3a076ee60dd.exe 28 PID 1100 wrote to memory of 2644 1100 cmd.exe 30 PID 1100 wrote to memory of 2644 1100 cmd.exe 30 PID 1100 wrote to memory of 2644 1100 cmd.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\b67d52bf30515f2537b0a3a076ee60dd.exe"C:\Users\Admin\AppData\Local\Temp\b67d52bf30515f2537b0a3a076ee60dd.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Windows\System32\cmd.exeC:\Windows\System32\cmd.exe /c "start 7月网格自主发展情况通报0725.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\7月网格自主发展情况通报0725.txt3⤵PID:2644
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\7月网格自主发展情况通报0725.txt
- Size 442B
- SHA256 cd83d993a216b269a62c3678394b8500162c259a35d36b4000ea165028080c43
- MD5 2d0cd72ef9e2bbb91af9aa3e2a269fa6
- SHA1 8537cef926f6af02f5cebf470fd5629b9314c24f
- SHA512 3e5f610e841312524a248508fc1c8b4b0bf205367132831f6983bff178002fa63defa1ec9777633f588be2369a647d9ee81a537016f733224608e40951279d6e
- MD5 SHA1 SHA512