remcos | cb04e8c4131fdb0b74051052efef4ee111e2b84741cd9d1ce0dec24c4a0079a0

General

Target

Quotation Sheet and PO-including FOB, MOQ.exe
Size

240KB
MD5

575d7ca2e5fc3ff6e2d568ab8c67c5d8
SHA1

9c399b34f7391602b3b70cb7b4b60a1af8d0b65e
SHA256

fd4d0c198aa010dee3d726fe7d7a526725b51404c1684b7df9d520455e5d16ec
SHA512

deaeb797c0667351290b5d84716dee1faeead5228c440b270b1fd18bc805b07e0292206d386807d88337ae388b209d83addf8b3d21542b5ae7c1341233881a92

Score

10^/10

remcos marshal host rat

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

MARSHAL HOST

C2

194.5.99.143:6666

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-NTSQI6
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Quotation Sheet and PO-including FOB, MOQ.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	Quotation Sheet and PO-including FOB, MOQ.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation Sheet and PO-including FOB, MOQ.exe

description	pid	process	target process
PID 928 set thread context of 2192	928	Quotation Sheet and PO-including FOB, MOQ.exe	Quotation Sheet and PO-including FOB, MOQ.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4592 schtasks.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Quotation Sheet and PO-including FOB, MOQ.exe

pid process

2192 Quotation Sheet and PO-including FOB, MOQ.exe

pid	process
4592	schtasks.exe

pid	process
2192	Quotation Sheet and PO-including FOB, MOQ.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Quotation Sheet and PO-including FOB, MOQ.exe

description	pid	process	target process
PID 928 wrote to memory of 4592	928	Quotation Sheet and PO-including FOB, MOQ.exe	schtasks.exe
PID 928 wrote to memory of 4592	928	Quotation Sheet and PO-including FOB, MOQ.exe	schtasks.exe
PID 928 wrote to memory of 4592	928	Quotation Sheet and PO-including FOB, MOQ.exe	schtasks.exe
PID 928 wrote to memory of 2192	928	Quotation Sheet and PO-including FOB, MOQ.exe	Quotation Sheet and PO-including FOB, MOQ.exe
PID 928 wrote to memory of 2192	928	Quotation Sheet and PO-including FOB, MOQ.exe	Quotation Sheet and PO-including FOB, MOQ.exe
PID 928 wrote to memory of 2192	928	Quotation Sheet and PO-including FOB, MOQ.exe	Quotation Sheet and PO-including FOB, MOQ.exe
PID 928 wrote to memory of 2192	928	Quotation Sheet and PO-including FOB, MOQ.exe	Quotation Sheet and PO-including FOB, MOQ.exe
PID 928 wrote to memory of 2192	928	Quotation Sheet and PO-including FOB, MOQ.exe	Quotation Sheet and PO-including FOB, MOQ.exe
PID 928 wrote to memory of 2192	928	Quotation Sheet and PO-including FOB, MOQ.exe	Quotation Sheet and PO-including FOB, MOQ.exe
PID 928 wrote to memory of 2192	928	Quotation Sheet and PO-including FOB, MOQ.exe	Quotation Sheet and PO-including FOB, MOQ.exe
PID 928 wrote to memory of 2192	928	Quotation Sheet and PO-including FOB, MOQ.exe	Quotation Sheet and PO-including FOB, MOQ.exe
PID 928 wrote to memory of 2192	928	Quotation Sheet and PO-including FOB, MOQ.exe	Quotation Sheet and PO-including FOB, MOQ.exe
PID 928 wrote to memory of 2192	928	Quotation Sheet and PO-including FOB, MOQ.exe	Quotation Sheet and PO-including FOB, MOQ.exe

C:\Users\Admin\AppData\Local\Temp\Quotation Sheet and PO-including FOB, MOQ.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation Sheet and PO-including FOB, MOQ.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:928

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UOTSTlVU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A24.tmp"
2⤵
- Creates scheduled task(s)
PID:4592

C:\Users\Admin\AppData\Local\Temp\Quotation Sheet and PO-including FOB, MOQ.exe
"{path}"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2192

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6A24.tmp
Filesize
1KB

MD5
1939ba54e8973f9f61c38f8df60d3461

SHA1
5ea35510cdc98a434ae7fba5627e46b56a7a9765

SHA256
02de99e97e07e6a887a58547ba12dfc9369a7bee346dd6ace25ee39a263f48ab

SHA512
d25f09937504a2135d48c5076b79f9c3f82f289f6680c68c12d43c20741a19d6f32d76ba3017e2869561e5d45c5a36a16c80d7def44de79b850d24abe34d3ff7

Download Submit
memory/928-130-0x00000000008E0000-0x0000000000922000-memory.dmp

Filesize
264KB

Download
memory/928-131-0x0000000007CB0000-0x0000000008254000-memory.dmp

Filesize
5.6MB

Download
memory/928-132-0x00000000077E0000-0x0000000007872000-memory.dmp

Filesize
584KB

Download
memory/928-133-0x00000000077A0000-0x00000000077AA000-memory.dmp

Filesize
40KB

Download
memory/928-134-0x000000000B150000-0x000000000B1EC000-memory.dmp

Filesize
624KB

Download
memory/2192-137-0x0000000000000000-mapping.dmp

Download
memory/2192-138-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2192-140-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2192-141-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4592-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads