cobaltstrike | 20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0

Analysis

max time kernel
147s
max time network
63s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 00:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe
Size

120KB
MD5

0295f705f795ee84a2697e4cc778f042
SHA1

f1ac9177a0a2f5fa1bae6f26141eeccf7e606e8d
SHA256

20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0
SHA512

2682fccf871fe03fd5fbe47c48cec1325b317bca37d3010335c36031c70a81170bdb9ca90b81f3e8f4cf68a27e95d7101e05b94e027e6ce04158e77785391d26
SSDEEP

1536:2X2tAh15hxrmf7VlBSBzD7TbNau3doRzEg0H86Lx8CAcf+SuqGMLefNe6WE5RXQ:0v5hm7VmBP7PtReQJUhMLgEE5RX

Score

10^/10

cobaltstrike backdoor persistence trojan

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
4244	CacheMgr.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\ProgramData\\CacheMgr.exe\" -as"	20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2760	2216	20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe	84
PID 2216 wrote to memory of 2760	2216	20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe	84
PID 2216 wrote to memory of 2760	2216	20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe	84
PID 2216 wrote to memory of 4244	2216	20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe	85
PID 2216 wrote to memory of 4244	2216	20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe	85
PID 2216 wrote to memory of 4244	2216	20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe	85

C:\Users\Admin\AppData\Local\Temp\20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe
"C:\Users\Admin\AppData\Local\Temp\20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\20a4b1ce3da8e5c6a68f2a62f8f3aaabf4dd578cae1326c309958ea220932de0.exe" "C:\ProgramData\CacheMgr.exe"
  2⤵
  PID:2760
- C:\ProgramData\CacheMgr.exe
  "C:\ProgramData\CacheMgr.exe" -as
  2⤵
  - Executes dropped EXE
  PID:4244

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\CacheMgr.exe

Filesize
26KB

MD5
c3e5fa6047cb508b4e3706d8af33f517

SHA1
b5a8ea271c181ca0723b7b129eb6f812f563ef5c

SHA256
21abe9e98f6dc9135d50ee0ff97a55dbae7fa34d6727cabb9b60cb3c7f9b7bbb

SHA512
b6cee7b059cfc9af948fee7527a73831d188e5bb89d807622e5280e044a8b9125529071e82fa42cb75626e4233c59c6ac08d15f4387331058b1cebabde359ebc

Download Submit
C:\ProgramData\CacheMgr.exe

Filesize
27KB

MD5
5f1625f7275ef92cdf90ad4f90d9ae7f

SHA1
8bd0c687d5f79a243eda6083800c8d665cb8aee4

SHA256
154b2786550ecd37fc3ecac828b3f4d0a9b749361afc184bdab98705a55ad9dc

SHA512
b37482c7fb0a846b3eb9e7c4d311bf76b46db426ac5bb3a9c79b1fc4cd4380c587fd8233b4761a59b64fbf11830db80fd865d869ef970bf315e77ad1b7e109c7

Download Submit
memory/2216-142-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/2216-136-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/2216-135-0x00000000009F0000-0x0000000000AF0000-memory.dmp

Filesize
1024KB

Download
memory/2216-132-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2216-141-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4244-145-0x0000000000A20000-0x0000000000B20000-memory.dmp

Filesize
1024KB

Download
memory/4244-144-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4244-143-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/4244-146-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/4244-147-0x0000000000A20000-0x0000000000B20000-memory.dmp

Filesize
1024KB

Download