cobaltstrike | e49cc0a15db021b76733ebe1b1ce71ad1ee02013ecd731c3d6085d0c6435a01f

General

Target

e49cc0a15db021b76733ebe1b1ce71ad1ee02013ecd731c3d6085d0c6435a01f.exe
Size

489KB
MD5

c929dd6f4b327c686426786e257110f4
SHA1

534ed6a0c139a949d428a52d60a4e999e1bff2de
SHA256

e49cc0a15db021b76733ebe1b1ce71ad1ee02013ecd731c3d6085d0c6435a01f
SHA512

7e32a066e6ac7ab688c37b361d04920cd2fdf13f9089ca78afbce6d28266f93ee4346db54c65be13c0534928c44545834e31a43bad851055c3d7b8e4d40c1034
SSDEEP

6144:ilwlmvO4mLYgZ0hVCwlsFQrD20LSCViY7xzBiMf2xOdFtUqylFcEkhWzTwfSv8mx:ilwgcYU0Gwls2O0Zff2wypuMMP

Score

10^/10

cobaltstrike 20410727 backdoor trojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

20410727

C2

http://service-2fhc3nsz-1319935181.bj.apigw.tencentcs.com:443/api/x

Attributes

access_type
512
beacon_type
2048
host
service-2fhc3nsz-1319935181.bj.apigw.tencentcs.com,/api/x
http_header1
AAAACgAAAAtBY2NlcHQ6ICovKgAAAAcAAAAAAAAAAwAAAAIAAAAKU0VTU0lPTklEPQAAAAYAAAAGQ29va2llAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
http_header2
AAAACgAAAAtBY2NlcHQ6ICovKgAAAAcAAAAAAAAAAwAAAAIAAAAJSlNFU1NJT049AAAABgAAAAZDb29raWUAAAAHAAAAAQAAAAMAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
http_method1
GET
http_method2
POST
jitter
12800
polling_time
30000
port_number
443
sc_process32
%windir%\syswow64\rundll32.exe
sc_process64
%windir%\sysnative\rundll32.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCTWV74mUQ+mRv5G12a9zODYqH4hd3vN8wA5KM1K3qxHkx8PMfWuxuzFPJTbTmmP/psUSaIxASMDmgFAenz3/yOWa2GZRhGhYsxPzqZ3I9pFkF+QUzwhc8fWqWwOJv66NmlHQGJLc2kG3H4GT15QDwwz2TZ8NVMfeDzPuVcpJGwCwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
1.481970944e+09
unknown2
AAAABAAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
uri
/api/y
user_agent
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 7.0; InfoPath.3; .NET CLR 3.1.40767; Trident/6.0; en-IN)
watermark
20410727

Signatures

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

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

e49cc0a15db021b76733ebe1b1ce71ad1ee02013ecd731c3d6085d0c6435a01f.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	e49cc0a15db021b76733ebe1b1ce71ad1ee02013ecd731c3d6085d0c6435a01f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	e49cc0a15db021b76733ebe1b1ce71ad1ee02013ecd731c3d6085d0c6435a01f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

e49cc0a15db021b76733ebe1b1ce71ad1ee02013ecd731c3d6085d0c6435a01f.exe

pid	process
2056	e49cc0a15db021b76733ebe1b1ce71ad1ee02013ecd731c3d6085d0c6435a01f.exe
2056	e49cc0a15db021b76733ebe1b1ce71ad1ee02013ecd731c3d6085d0c6435a01f.exe

C:\Users\Admin\AppData\Local\Temp\e49cc0a15db021b76733ebe1b1ce71ad1ee02013ecd731c3d6085d0c6435a01f.exe
"C:\Users\Admin\AppData\Local\Temp\e49cc0a15db021b76733ebe1b1ce71ad1ee02013ecd731c3d6085d0c6435a01f.exe"
1⤵
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:2056

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2056-54-0x0000000000010000-0x0000000000094000-memory.dmp

Filesize
528KB

Download
memory/2056-55-0x0000000000550000-0x00000000005EF000-memory.dmp

Filesize
636KB

Download
memory/2056-56-0x00000000002E0000-0x00000000002FF000-memory.dmp

Filesize
124KB

Download
memory/2056-57-0x0000000000720000-0x000000000084D000-memory.dmp

Filesize
1.2MB

Download
memory/2056-58-0x0000000000AA0000-0x0000000000AE1000-memory.dmp

Filesize
260KB

Download
memory/2056-59-0x0000000000DF0000-0x0000000000EB9000-memory.dmp

Filesize
804KB

Download
memory/2056-60-0x0000000000EC0000-0x0000000000F31000-memory.dmp

Filesize
452KB

Download
memory/2056-61-0x0000000001380000-0x0000000001489000-memory.dmp

Filesize
1.0MB

Download
memory/2056-63-0x0000000000AF0000-0x0000000000B3E000-memory.dmp

Filesize
312KB

Download
memory/2056-62-0x0000000002A80000-0x0000000002A97000-memory.dmp

Filesize
92KB

Download
memory/2056-64-0x0000000003010000-0x0000000003065000-memory.dmp

Filesize
340KB

Download
memory/2056-65-0x0000000004150000-0x00000000041C1000-memory.dmp

Filesize
452KB

Download
memory/2056-67-0x00000000030F0000-0x000000000310E000-memory.dmp

Filesize
120KB

Download
memory/2056-66-0x00000000041D0000-0x0000000004234000-memory.dmp

Filesize
400KB

Download
memory/2056-68-0x0000000004710000-0x00000000047A9000-memory.dmp

Filesize
612KB

Download
memory/2056-69-0x00000000047B0000-0x0000000004824000-memory.dmp

Filesize
464KB

Download
memory/2056-70-0x0000000004250000-0x0000000004268000-memory.dmp

Filesize
96KB

Download
memory/2056-71-0x00000000044E0000-0x00000000044F4000-memory.dmp

Filesize
80KB

Download
memory/2056-72-0x0000000004600000-0x000000000460C000-memory.dmp

Filesize
48KB

Download
memory/2056-73-0x0000000004900000-0x000000000490A000-memory.dmp

Filesize
40KB

Download
memory/2056-74-0x0000000004F10000-0x0000000004F67000-memory.dmp

Filesize
348KB

Download
memory/2056-75-0x0000000004CF0000-0x0000000004D12000-memory.dmp

Filesize
136KB

Download
memory/2056-76-0x0000000004F70000-0x0000000004F8B000-memory.dmp

Filesize
108KB

Download
memory/2056-77-0x0000000000AF0000-0x0000000000B3E000-memory.dmp

Filesize
312KB

Download

Analysis

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