cobaltstrike | b302767ded3db266ccc794b37b890bcc71fa0801f54cd2957dde2f4bd5735722

Analysis

max time kernel
142s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 11:51

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General

Target

update.ps1
Size

5KB
MD5

f669ae9b82a898f4d28caa4c9122e080
SHA1

8d1ab71ff5e93e419bb29e6392b1e2dd44d7e015
SHA256

b302767ded3db266ccc794b37b890bcc71fa0801f54cd2957dde2f4bd5735722
SHA512

90632087ceabcb44f0c893fd974f212cd29da31fe043372f2cdcf3b88916401308d27186e1d73d5c25ff755b5006a3aa98a22e78000b472d56ffcae8cac06847
SSDEEP

96:9gOOMM3vvOmIecHigxA0Mr2VirZBjAt6qaU0lgYR50lh:DS/vOkcHfxL8rZyt6nJPROf

Score

10^/10

cobaltstrike backdoor trojan

Malware Config

Extracted

Family

cobaltstrike

http://23.95.254.136:9521/async/Newtab_promos

Attributes

user_agent
Sec-Fetch-Site: none Sec-Fetch-Mode: no-cors Sec-Fetch-Dest: empty Accept-Language: en-US,en;q=0.5 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike
Blocklisted process makes network request 6 IoCs

Processes:

powershell.exe

flow pid process

3 2896 powershell.exe
6 2896 powershell.exe
7 2896 powershell.exe
8 2896 powershell.exe
9 2896 powershell.exe
10 2896 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2896 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2896 powershell.exe

flow	pid	process
3	2896	powershell.exe
6	2896	powershell.exe
7	2896	powershell.exe
8	2896	powershell.exe
9	2896	powershell.exe
10	2896	powershell.exe

pid	process
2896	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2896	powershell.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\update.ps1
1⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2896

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE5B5.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/2896-30-0x00000000022C0000-0x0000000002340000-memory.dmp

Filesize
512KB

Download
memory/2896-33-0x000000001D220000-0x000000001D620000-memory.dmp

Filesize
4.0MB

Download
memory/2896-8-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

Filesize
9.6MB

Download
memory/2896-9-0x00000000022C0000-0x0000000002340000-memory.dmp

Filesize
512KB

Download
memory/2896-10-0x00000000022C0000-0x0000000002340000-memory.dmp

Filesize
512KB

Download
memory/2896-11-0x000000001B6A0000-0x000000001B6A1000-memory.dmp

Filesize
4KB

Download
memory/2896-29-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

Filesize
9.6MB

Download
memory/2896-31-0x00000000022C0000-0x0000000002340000-memory.dmp

Filesize
512KB

Download
memory/2896-4-0x000000001B2B0000-0x000000001B592000-memory.dmp

Filesize
2.9MB

Download
memory/2896-7-0x00000000022C0000-0x0000000002340000-memory.dmp

Filesize
512KB

Download
memory/2896-32-0x000007FEF4AE0000-0x000007FEF4B8C000-memory.dmp

Filesize
688KB

Download
memory/2896-6-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

Filesize
9.6MB

Download
memory/2896-5-0x0000000002690000-0x0000000002698000-memory.dmp

Filesize
32KB

Download
memory/2896-54-0x000000001BAC0000-0x000000001BAC2000-memory.dmp

Filesize
8KB

Download
memory/2896-56-0x000007FEF4AE0000-0x000007FEF4B8C000-memory.dmp

Filesize
688KB

Download
memory/2896-58-0x000000001D220000-0x000000001D620000-memory.dmp

Filesize
4.0MB

Download
memory/2896-60-0x000007FEF4AE0000-0x000007FEF4B8C000-memory.dmp

Filesize
688KB

Download
memory/2896-81-0x000007FEF4AE0000-0x000007FEF4B8C000-memory.dmp

Filesize
688KB

Download
memory/2896-105-0x000007FEF4AE0000-0x000007FEF4B8C000-memory.dmp

Filesize
688KB

Download
memory/2896-108-0x000007FEF4AE0000-0x000007FEF4B8C000-memory.dmp

Filesize
688KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads