cobaltstrike | 605983f0b5761ec3bd423f21f45e344536b1ba6c01a9360a0e3cdd82a0f308fb

General

Target

00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe
Size

115KB
MD5

a5bd0778a3baac35f9c40b06951b92be
SHA1

442182ec444bad81041875380b2968041b4d3096
SHA256

00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2
SHA512

10e204c9b8439fc70f55206b5ed1a37708459535fe7b05a32d68dd215a65e20af17a96611665b583be0dc96ffc9e9cb44fc240f76a65fb8e30ea2226dfaf7b1c

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

Processes:

CacheMgr.exe

pid process

1324 CacheMgr.exe
Loads dropped DLL 1 IoCs

Processes:

00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe

pid process

1072 00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe

pid	process
1324	CacheMgr.exe

pid	process
1072	00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\Users\\Admin\\AppData\\Roaming\\CacheMgr.exe\" -as"	00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe

description	pid	process	target process
PID 1072 wrote to memory of 1884	1072	00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe	cmd.exe
PID 1072 wrote to memory of 1884	1072	00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe	cmd.exe
PID 1072 wrote to memory of 1884	1072	00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe	cmd.exe
PID 1072 wrote to memory of 1884	1072	00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe	cmd.exe
PID 1072 wrote to memory of 1324	1072	00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe	CacheMgr.exe
PID 1072 wrote to memory of 1324	1072	00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe	CacheMgr.exe
PID 1072 wrote to memory of 1324	1072	00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe	CacheMgr.exe
PID 1072 wrote to memory of 1324	1072	00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe	CacheMgr.exe

C:\Users\Admin\AppData\Local\Temp\00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe
"C:\Users\Admin\AppData\Local\Temp\00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1072

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c copy "C:\Users\Admin\AppData\Local\Temp\00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2.exe" "C:\Users\Admin\AppData\Roaming\CacheMgr.exe"
2⤵
PID:1884

C:\Users\Admin\AppData\Roaming\CacheMgr.exe
"C:\Users\Admin\AppData\Roaming\CacheMgr.exe" -as
2⤵
- Executes dropped EXE
PID:1324

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\CacheMgr.exe
MD5
a5bd0778a3baac35f9c40b06951b92be

SHA1
442182ec444bad81041875380b2968041b4d3096

SHA256
00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2

SHA512
10e204c9b8439fc70f55206b5ed1a37708459535fe7b05a32d68dd215a65e20af17a96611665b583be0dc96ffc9e9cb44fc240f76a65fb8e30ea2226dfaf7b1c

Download Submit
C:\Users\Admin\AppData\Roaming\CacheMgr.exe
MD5
a5bd0778a3baac35f9c40b06951b92be

SHA1
442182ec444bad81041875380b2968041b4d3096

SHA256
00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2

SHA512
10e204c9b8439fc70f55206b5ed1a37708459535fe7b05a32d68dd215a65e20af17a96611665b583be0dc96ffc9e9cb44fc240f76a65fb8e30ea2226dfaf7b1c

Download Submit
\Users\Admin\AppData\Roaming\CacheMgr.exe
MD5
a5bd0778a3baac35f9c40b06951b92be

SHA1
442182ec444bad81041875380b2968041b4d3096

SHA256
00472b5baa597592dd522408cc6cec01eaec526ef8d0b709a9a9e2c09f7a97c2

SHA512
10e204c9b8439fc70f55206b5ed1a37708459535fe7b05a32d68dd215a65e20af17a96611665b583be0dc96ffc9e9cb44fc240f76a65fb8e30ea2226dfaf7b1c

Download Submit
memory/1072-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/1072-53-0x00000000007A1000-0x00000000007B2000-memory.dmp

Filesize
68KB

Download
memory/1072-55-0x0000000000020000-0x0000000000035000-memory.dmp

Filesize
84KB

Download
memory/1324-59-0x0000000000000000-mapping.dmp

Download
memory/1324-61-0x0000000000611000-0x0000000000622000-memory.dmp

Filesize
68KB

Download
memory/1884-56-0x0000000000000000-mapping.dmp

Download

Analysis

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