cobaltstrike | 0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29-10-2022 01:05

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General

Target

0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe
Size

120KB
MD5

0b5ddcbe69a014c113ef8d1332dab271
SHA1

485b123cd579946ba232f843f9b47a5d09365e41
SHA256

0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d
SHA512

6992cc3238074853f12f7c7dddaa557ac494d99b9a54d8f048190beaf0adadf020f8e112382d0d74dc7fc27f30a1f49a00c6144ed6cabfa65895935f3056bdd7
SSDEEP

1536:FX2tAh15hxrmf7VlBSBzD7TbNau3doRzEg0H86Lx8CAcf+SuqGMLefNe6Wc5RXQ:lv5hm7VmBP7PtReQJUhMLgEc5RX

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
5084	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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\ProgramData\\CacheMgr.exe\" -as"	0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 4440	640	0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe	83
PID 640 wrote to memory of 4440	640	0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe	83
PID 640 wrote to memory of 4440	640	0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe	83
PID 640 wrote to memory of 5084	640	0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe	85
PID 640 wrote to memory of 5084	640	0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe	85
PID 640 wrote to memory of 5084	640	0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe	85

C:\Users\Admin\AppData\Local\Temp\0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe
"C:\Users\Admin\AppData\Local\Temp\0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d.exe" "C:\ProgramData\CacheMgr.exe"
  2⤵
  PID:4440
- C:\ProgramData\CacheMgr.exe
  "C:\ProgramData\CacheMgr.exe" -as
  2⤵
  - Executes dropped EXE
  PID:5084

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

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Downloads

C:\ProgramData\CacheMgr.exe

Filesize
120KB

MD5
0b5ddcbe69a014c113ef8d1332dab271

SHA1
485b123cd579946ba232f843f9b47a5d09365e41

SHA256
0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d

SHA512
6992cc3238074853f12f7c7dddaa557ac494d99b9a54d8f048190beaf0adadf020f8e112382d0d74dc7fc27f30a1f49a00c6144ed6cabfa65895935f3056bdd7

Download Submit
C:\ProgramData\CacheMgr.exe

Filesize
120KB

MD5
0b5ddcbe69a014c113ef8d1332dab271

SHA1
485b123cd579946ba232f843f9b47a5d09365e41

SHA256
0305a1778c3ee83229cc2791f46300b3af5faa15bb7f6507ef26f465bb90d69d

SHA512
6992cc3238074853f12f7c7dddaa557ac494d99b9a54d8f048190beaf0adadf020f8e112382d0d74dc7fc27f30a1f49a00c6144ed6cabfa65895935f3056bdd7

Download Submit
memory/640-136-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/640-133-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/640-134-0x0000000000930000-0x0000000000A30000-memory.dmp

Filesize
1024KB

Download
memory/640-140-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/640-141-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/4440-135-0x0000000000000000-mapping.dmp

Download
memory/5084-137-0x0000000000000000-mapping.dmp

Download
memory/5084-143-0x0000000000840000-0x0000000000940000-memory.dmp

Filesize
1024KB

Download
memory/5084-144-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download
memory/5084-145-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/5084-146-0x0000000000840000-0x0000000000940000-memory.dmp

Filesize
1024KB

Download
memory/5084-147-0x00000000001D0000-0x00000000001E6000-memory.dmp

Filesize
88KB

Download