cobaltstrike | 241466b77e5a26a2cd1c0b551cbe6aafb2456d12ae4251dd627bda006522fba9

General

Target

sample.ps.ps1
Size

194KB
MD5

fed4c2d83a9c696d5e92d136cbf3ebc8
SHA1

dfe5d67b541e7cb722c6046b0543cc1d96af2d66
SHA256

339855ac7b722ae67d39ba02daf2e81a281a3ecea7b0d7766246e903e17af028
SHA512

b18efcb591bf5ead1cb5c881a60bcfa820beadeab31c3892add1601e75f02288288bbdda87e1ee0b69abe103518f42c8a33ce837157c6459bfebd3f329165eaf
SSDEEP

6144:TkxWQORKCIbj9BE0ZAKOltpvzIZw3XGO0cKux:FQOAbj9FyKutp7IZw3B0Kx

Score

10^/10

cobaltstrike 0 backdoor discovery execution trojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

0

C2

http://obeysecuritybsness.apt:443/jquery-3.3.1.min.js

Attributes

access_type
512
beacon_type
2048
host
obeysecuritybsness.apt,/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
45000
port_number
443
sc_process32
%windir%\syswow64\dllhost.exe
sc_process64
%windir%\sysnative\dllhost.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnOM3nXx+7HBhkbDd+AwFrFisSunK999w2tM0uTpuuEiBalcJhcL+QgQWtf6S7zPp5hjImG+2YcPl18geU4f5JlSPXHwilbK4DFb/ePWyKFjhrA7emVRqhM21QMlo1ANsn14rY/RO2pzuft8P7TXoIjjI/B2GGVuzYNZX6X4I2EwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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
0

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2752	powershell.exe
4776	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2752	powershell.exe
2752	powershell.exe
4776	powershell.exe
4776	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	4776	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 4776	2752	powershell.exe	86
PID 2752 wrote to memory of 4776	2752	powershell.exe	86
PID 2752 wrote to memory of 4776	2752	powershell.exe	86

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\sample.ps.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2752
- \??\c:\windows\syswow64\windowspowershell\v1.0\powershell.exe
  "c:\windows\syswow64\windowspowershell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

Filesize
53KB

MD5
93678e82d776686aa54c42b8a98e6cbc

SHA1
802939dfed99ac74814c4371388b204c5810241d

SHA256
da32a79a8e04cbafb1c5980b3d6225f4705010df5eb45d464cd5bf6b642d7841

SHA512
0b412a1e11c0639d72f6a58c661ecc43da021c010c4d1e66051c5a376ebab287480bbf663345c9bd2a79ec3a35a9788cf04d74d612449f76fe2c87576cd13520

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3f1nlpw5.ir5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2752-0-0x00007FF92DA03000-0x00007FF92DA05000-memory.dmp

Filesize
8KB

Download
memory/2752-10-0x0000025450CD0000-0x0000025450CF2000-memory.dmp

Filesize
136KB

Download
memory/2752-11-0x00007FF92DA00000-0x00007FF92E4C1000-memory.dmp

Filesize
10.8MB

Download
memory/2752-12-0x00007FF92DA00000-0x00007FF92E4C1000-memory.dmp

Filesize
10.8MB

Download
memory/2752-13-0x00000254510D0000-0x0000025451246000-memory.dmp

Filesize
1.5MB

Download
memory/2752-14-0x0000025451460000-0x000002545166A000-memory.dmp

Filesize
2.0MB

Download
memory/2752-41-0x00007FF92DA00000-0x00007FF92E4C1000-memory.dmp

Filesize
10.8MB

Download
memory/2752-40-0x00007FF92DA03000-0x00007FF92DA05000-memory.dmp

Filesize
8KB

Download
memory/4776-25-0x0000000006110000-0x0000000006132000-memory.dmp

Filesize
136KB

Download
memory/4776-35-0x0000000007600000-0x0000000007C7A000-memory.dmp

Filesize
6.5MB

Download
memory/4776-27-0x0000000006290000-0x00000000062F6000-memory.dmp

Filesize
408KB

Download
memory/4776-26-0x00000000061B0000-0x0000000006216000-memory.dmp

Filesize
408KB

Download
memory/4776-18-0x0000000005AB0000-0x00000000060D8000-memory.dmp

Filesize
6.2MB

Download
memory/4776-32-0x00000000064A0000-0x00000000067F4000-memory.dmp

Filesize
3.3MB

Download
memory/4776-33-0x0000000006990000-0x00000000069AE000-memory.dmp

Filesize
120KB

Download
memory/4776-34-0x0000000006A30000-0x0000000006A7C000-memory.dmp

Filesize
304KB

Download
memory/4776-36-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

Filesize
104KB

Download
memory/4776-19-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4776-37-0x0000000007050000-0x00000000074C2000-memory.dmp

Filesize
4.4MB

Download
memory/4776-38-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4776-39-0x0000000007050000-0x00000000074C2000-memory.dmp

Filesize
4.4MB

Download
memory/4776-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4776-16-0x00000000032C0000-0x00000000032F6000-memory.dmp

Filesize
216KB

Download
memory/4776-42-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/4776-43-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4776-45-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4776-15-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download

Analysis

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