remcos | e4eb73c0e476457f54c9e3a5df6b25ef839e3aac74465ca666c2b2c0bcaaa1f7

General

Target

REVISED ORDER 2322020.EXE
Size

1.1MB
MD5

7da140a904417492363f4418cb2a717b
SHA1

a06673b6a33f804a3f9f688231d30e1edf5378d4
SHA256

e4eb73c0e476457f54c9e3a5df6b25ef839e3aac74465ca666c2b2c0bcaaa1f7
SHA512

d75dba2342c80bed03d956f428947ec3e80b9e9423570eebf77c810a3671b728e76106baae606edbef8b96096c1d66165ee43967b2563e1170eb998813e5e03a

Score

10^/10

remcos persistence rat

Malware Config

Extracted

Family

remcos

C2

marstonstyl247.ddns.net:3234

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

REVISED ORDER 2322020.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ubjdt = "C:\\Users\\Public\\Libraries\\tdjbU.url"	REVISED ORDER 2322020.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ieinstal.exe

pid process

3992 ieinstal.exe

pid	process
3992	ieinstal.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

REVISED ORDER 2322020.EXE

description	pid	process	target process
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe
PID 4700 wrote to memory of 3992	4700	REVISED ORDER 2322020.EXE	ieinstal.exe

C:\Users\Admin\AppData\Local\Temp\REVISED ORDER 2322020.EXE
"C:\Users\Admin\AppData\Local\Temp\REVISED ORDER 2322020.EXE"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4700

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:3992

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

memory/3992-4-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/3992-5-0x0000000000000000-mapping.dmp

Download
memory/3992-6-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/3992-8-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/3992-13-0x0000000010590000-0x000000001060C000-memory.dmp

Filesize
496KB

Download
memory/3992-14-0x0000000000490000-0x0000000000509000-memory.dmp

Filesize
484KB

Download
memory/4700-2-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/4700-3-0x00000000024F0000-0x000000000252A000-memory.dmp

Filesize
232KB

Download

Analysis

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