cobaltstrike | f9c4a119234df78e1ad71b10fb0bf18622fd5245b72b93e5b71992f20cb9fd2e

General

Target

Ihopot2.dll
Size

404KB
MD5

c681c785d6055a1d5a8fe74403c9dfe9
SHA1

50713534b62404d6f502a3efa129460fd7fb6927
SHA256

f9c4a119234df78e1ad71b10fb0bf18622fd5245b72b93e5b71992f20cb9fd2e
SHA512

bdd5135e3092c3a69340ef4790756d3fe1be933a83d3ab65c3b80d2aa2a134249d70ae67027605035b9e16e792d8a4930af73124ac0d8280674dd3d44f9a8e62

Score

10^/10

cobaltstrike 305419776 backdoor trojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://bqtconsulting.com:443/image-directory/templates.mp3

Attributes

user_agent
Host: bqtconsulting.com Connection: close Accept: image/jpeg Accept-Language: en-GB;q=0.9, *;q=0.7 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.246

Extracted

Family

cobaltstrike

Botnet

305419776

C2

http://bqtconsulting.com:443/da.html

Attributes

access_type
512
beacon_type
2048
host
bqtconsulting.com,/da.html
http_header1
AAAAEAAAABdIb3N0OiBicXRjb25zdWx0aW5nLmNvbQAAAAoAAAARQ29ubmVjdGlvbjogY2xvc2UAAAAHAAAAAAAAAAgAAAADAAAAAgAAAAVIU0lEPQAAAAYAAAAGQ29va2llAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
http_header2
AAAAEAAAABdIb3N0OiBicXRjb25zdWx0aW5nLmNvbQAAAAoAAAARQ29ubmVjdGlvbjogY2xvc2UAAAAKAAAAGENvbnRlbnQtVHlwZTogdGV4dC9wbGFpbgAAAAcAAAABAAAACwAAAAMAAAAEAAAABwAAAAAAAAADAAAAAgAAAA5fX3Nlc3Npb25fX2lkPQAAAAYAAAAGQ29va2llAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
http_method1
GET
http_method2
POST
jitter
11008
polling_time
57750
port_number
443
sc_process32
%windir%\syswow64\svchost.exe
sc_process64
%windir%\sysnative\svchost.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCIb457MN0OxBGqjtu2Ps94Quqgo0FAOwvyWXZK225TmZ4JymCqXghrwYOcQgz1rXZeQkoOjEomrqjIEnpxYzaQfmCsBw7d95XXIlpznmf2Pma4kLzC6W8/zmW9NN6ojMS+dPMe3nzA5qrABXXCd2g/JGMYUb6fIp2oVLeQP83tVQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
7.8457344e+07
unknown2
AAAABAAAAAIAAAJYAAAAAwAAAAsAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
uri
/copyright
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.246
watermark
305419776

Signatures

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

Blocklisted process makes network request 6 IoCs

flow	pid	Process
10	2720	rundll32.exe
13	2720	rundll32.exe
14	2720	rundll32.exe
31	2720	rundll32.exe
32	2720	rundll32.exe
34	2720	rundll32.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2720	rundll32.exe
2720	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 2504	3708	rundll32.exe	69
PID 3708 wrote to memory of 2504	3708	rundll32.exe	69
PID 2504 wrote to memory of 2720	2504	cmd.exe	71
PID 2504 wrote to memory of 2720	2504	cmd.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Ihopot2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3708
- C:\Windows\System32\cmd.exe
  /c rundll32 "C:\Users\Admin\AppData\Local\Temp\Ihopot2.dll", xfadqKKcbGfTaE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\system32\rundll32.exe
    rundll32 "C:\Users\Admin\AppData\Local\Temp\Ihopot2.dll", xfadqKKcbGfTaE
    3⤵
    - Blocklisted process makes network request
    - Modifies system certificate store
    - Suspicious behavior: EnumeratesProcesses
    PID:2720

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2720-117-0x000001D4D8050000-0x000001D4D8051000-memory.dmp

Filesize
4KB

Download
memory/2720-118-0x000001D4DA600000-0x000001D4DA688000-memory.dmp

Filesize
544KB

Download
memory/2720-119-0x000001D4DA200000-0x000001D4DA600000-memory.dmp

Filesize
4.0MB

Download
memory/2720-120-0x000001D4DA600000-0x000001D4DA688000-memory.dmp

Filesize
544KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads