Analysis
-
max time kernel
141s -
max time network
168s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
07-10-2021 17:48
Static task
static1
Behavioral task
behavioral1
Sample
E31B.dll
Resource
win7v20210408
Behavioral task
behavioral2
Sample
E31B.dll
Resource
win10-en-20210920
General
-
Target
E31B.dll
-
Size
381KB
-
MD5
275de0fa302b364194f5cccc02de4a6a
-
SHA1
aee64bec2f84252fc593c2b372086e03507497b5
-
SHA256
fa2f0b11ec2b3e84560a8a3d686343c7099f1fa5a1694d3c5c2562db662902e2
-
SHA512
f07ba9b200ae5a3888c68811f215f15019995b2a6379a2bb3f2e4f06138b45e42c6dfe1614579300439b09ee93c33f01e520dd7129cbc9c99d423ba03dc6481a
Malware Config
Extracted
cobaltstrike
1359593325
http://liveblm.com:443/jquery-3.3.1.min.js
-
access_type
512
-
beacon_type
2048
-
host
liveblm.com,/jquery-3.3.1.min.js
-
http_header1
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
-
http_header2
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
-
http_method1
GET
-
http_method2
POST
-
jitter
9472
-
polling_time
60000
-
port_number
443
-
sc_process32
%windir%\syswow64\rundll32.exe
-
sc_process64
%windir%\sysnative\rundll32.exe
-
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDs9SVtI04iVtcnsnZ9gxP0aVtFalMrsA/JSi3gE0ahbWhupC8iTfDZ25Lo5/WmWenLLTRx47DoeVmXaK5tMKRo+kb1YeFsLF7f4mDOOWI0z9cYnjZqJQQ5LZN4QKIhycMscs/6aPMC0c4EDVuru6jeWV0y85JbmKSGv+DiIUAYcQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
unknown1
4.234810624e+09
-
unknown2
AAAABAAAAAEAAAXyAAAAAgAAAFQAAAACAAAPWwAAAA0AAAAPAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
uri
/jquery-3.3.2.min.js
-
user_agent
Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko
-
watermark
1359593325
Signatures
-
Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
-
suricata: ET MALWARE Cobalt Strike Beacon Activity (GET)
suricata: ET MALWARE Cobalt Strike Beacon Activity (GET)
-
suricata: ET MALWARE Cobalt Strike Malleable C2 JQuery Custom Profile M2
suricata: ET MALWARE Cobalt Strike Malleable C2 JQuery Custom Profile M2
-
suricata: ET MALWARE Cobalt Strike Malleable C2 JQuery Custom Profile Response
suricata: ET MALWARE Cobalt Strike Malleable C2 JQuery Custom Profile Response
-
Blocklisted process makes network request 7 IoCs
Processes:
rundll32.exeflow pid process 5 1892 rundll32.exe 7 1892 rundll32.exe 9 1892 rundll32.exe 10 1892 rundll32.exe 13 1892 rundll32.exe 14 1892 rundll32.exe 15 1892 rundll32.exe -
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 rundll32.exe
Processes
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1892-60-0x0000000003240000-0x0000000003640000-memory.dmpFilesize
4.0MB