Analysis
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max time kernel
146s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
21-03-2023 14:33
Static task
static1
Behavioral task
behavioral1
Sample
34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe
Resource
win10v2004-20230220-en
General
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Target
34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe
-
Size
682KB
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MD5
47ca254d94b8ba124ba8a3fdb4a52653
-
SHA1
910ffae9ce8b4f49f5527c9dab5fca9dddc8d60d
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SHA256
34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e
-
SHA512
78d49a71ad663e4a45d282a40ff478d4872ff47e4efd5cef49ec2a893b6a7e86a1dabf43b27fa144471a741a22917c8d313f0b5a39e17dc1edeafc4af932466d
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SSDEEP
12288:vRZ+IoG/n9IQxW3OBsevLYTHDbv5DgsI/kXZb8GngkN/n:n2G/nvxW3Wq6al8GZn
Malware Config
Extracted
cobaltstrike
1234567890
http://39.107.70.26:8888/g.pixel
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access_type
512
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host
39.107.70.26,/g.pixel
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http_header1
AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
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http_header2
AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
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http_method1
GET
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http_method2
POST
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polling_time
60000
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port_number
8888
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sc_process32
%windir%\syswow64\rundll32.exe
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sc_process64
%windir%\sysnative\rundll32.exe
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state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCMklwKQewNEYW88qrK3pE0Q4C+CRg7fG8WYX/yMH1r+hqXvGhp5IJYnwMgXxKAuFFDGElr5GacyW2WySu7eubRX3hOcNqvI4SlMyYkHzFbcosRucdKZ7q01oZaxwhYGBlcP5Vv+Xm1MhSVyfOfzvJ7c6HIqqe6ZQFqOcTqrkxWmQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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unknown1
4096
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unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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uri
/submit.php
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user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)
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watermark
1234567890
Extracted
cobaltstrike
0
-
watermark
0
Signatures
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Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation 34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe -
Executes dropped EXE 1 IoCs
Processes:
cacert.exepid process 3856 cacert.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
Processes:
34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings 34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exedescription pid process target process PID 368 wrote to memory of 3856 368 34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe cacert.exe PID 368 wrote to memory of 3856 368 34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe cacert.exe PID 368 wrote to memory of 1208 368 34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe rundll32.exe PID 368 wrote to memory of 1208 368 34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe rundll32.exe PID 368 wrote to memory of 1208 368 34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe"C:\Users\Admin\AppData\Local\Temp\34da227493236d3129fabeebc637d0524123fb10b13a820d811041364fe0a59e.exe"1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Windows\Temp\cacert.exe"C:\Windows\Temp\cacert.exe"2⤵
- Executes dropped EXE
PID:3856 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCER C:\Windows\Temp\cacert.der2⤵PID:1208
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Windows\Temp\cacert.derFilesize
940B
MD57858988dc3df116e2bde2787ebd6e10d
SHA1cdff5fd51c1e8fcf8f91ad3a6ab8dfefc3956a2b
SHA256cd905bb5f6773d44d457f4d80af02f53c04719874b3ccf52a4875b729bd43b6d
SHA512e390e47dc6d566e667f26f1a8e3ddac29443a2d10a813a18f8e0a77872015a9aadaed2a9d54f4fdf8ab01efd6726ff1bb03d66d5d965112a60316cee26339e58
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C:\Windows\Temp\cacert.exeFilesize
281KB
MD5ab8ae66d02d1e0d8bcde85eb9eb9d10a
SHA15cc769447e0ec91b36fb2f9cde1e39de30baa8c8
SHA2567626db12c55677596bbeaaf6f93ecead45f0a972914d7ab94e81be6355467c28
SHA512a334833437f90028f9b812ed2634b2e6239e37acfdaad21c7904eace4e9bf5b17c3f8e1293c25f002486cd1fb3ab55a8dd720cc778c34b9daeffd292ad3e1377
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C:\Windows\Temp\cacert.exeFilesize
281KB
MD5ab8ae66d02d1e0d8bcde85eb9eb9d10a
SHA15cc769447e0ec91b36fb2f9cde1e39de30baa8c8
SHA2567626db12c55677596bbeaaf6f93ecead45f0a972914d7ab94e81be6355467c28
SHA512a334833437f90028f9b812ed2634b2e6239e37acfdaad21c7904eace4e9bf5b17c3f8e1293c25f002486cd1fb3ab55a8dd720cc778c34b9daeffd292ad3e1377
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C:\Windows\Temp\cacert.exeFilesize
281KB
MD5ab8ae66d02d1e0d8bcde85eb9eb9d10a
SHA15cc769447e0ec91b36fb2f9cde1e39de30baa8c8
SHA2567626db12c55677596bbeaaf6f93ecead45f0a972914d7ab94e81be6355467c28
SHA512a334833437f90028f9b812ed2634b2e6239e37acfdaad21c7904eace4e9bf5b17c3f8e1293c25f002486cd1fb3ab55a8dd720cc778c34b9daeffd292ad3e1377
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memory/3856-145-0x0000000000180000-0x00000000001C1000-memory.dmpFilesize
260KB
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memory/3856-147-0x0000000000750000-0x000000000079E000-memory.dmpFilesize
312KB
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memory/3856-148-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/3856-149-0x0000000000750000-0x000000000079E000-memory.dmpFilesize
312KB