remcos | dbcc133f852cf1c898fd71db2f0f09153c55577a7c8f0886882d52713ecb186f

General

Target

UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
Size

869KB
MD5

4f0c56459b4f0e8f51502e434d1ffc24
SHA1

b36e6bd0cf69d7b0258ace48f01feff65a6fb4c5
SHA256

ae86206a568d280d3e030ec9649148ff98b59c6e3cd25e78094cc53631b674d7
SHA512

e34912e2840cc9991eb4102ede29f85b0cc812fa1e44d19a0fa5b7397bf207f6e0b374c5e121cffc69e63b9fc8c11113c1c70a66e2d756cc27d9692fd93b7ea3
SSDEEP

24576:UItSAd7nDUHhpSahNdsUdKgU/CY/hkpqV+sjU5:UtN/PaUERXBa

Score

10^/10

remcos zgrat remotehost persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

104.250.180.178:7902

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
AnyDesk.exe
copy_folder
AnyDesk
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
AnyDesk
mouse_option
false
mutex
AnyDesk-8BNQK6
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral4/memory/3104-6-0x0000000005B20000-0x0000000005B38000-memory.dmp	family_zgrat_v1

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

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:

UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Control Panel\International\Geo\Nation	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr

Executes dropped EXE 2 IoCs

Processes:

AnyDesk.exeAnyDesk.exe

pid process

1612 AnyDesk.exe
3336 AnyDesk.exe

pid	process
1612	AnyDesk.exe
3336	AnyDesk.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scrAnyDesk.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AnyDesk-8BNQK6 = "\"C:\\ProgramData\\AnyDesk\\AnyDesk.exe\""	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AnyDesk-8BNQK6 = "\"C:\\ProgramData\\AnyDesk\\AnyDesk.exe\""	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
Set value (str)	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AnyDesk-8BNQK6 = "\"C:\\ProgramData\\AnyDesk\\AnyDesk.exe\""	AnyDesk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AnyDesk-8BNQK6 = "\"C:\\ProgramData\\AnyDesk\\AnyDesk.exe\""	AnyDesk.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scrAnyDesk.exe

description	pid	process	target process
PID 3104 set thread context of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 1612 set thread context of 3336	1612	AnyDesk.exe	AnyDesk.exe

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

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AnyDesk.exe

pid process

3336 AnyDesk.exe

pid	process
3336	AnyDesk.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scrUPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scrAnyDesk.exe

description	pid	process	target process
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 3104 wrote to memory of 484	3104	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
PID 484 wrote to memory of 1612	484	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	AnyDesk.exe
PID 484 wrote to memory of 1612	484	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	AnyDesk.exe
PID 484 wrote to memory of 1612	484	UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe
PID 1612 wrote to memory of 3336	1612	AnyDesk.exe	AnyDesk.exe

C:\Users\Admin\AppData\Local\Temp\UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
"C:\Users\Admin\AppData\Local\Temp\UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3104

C:\Users\Admin\AppData\Local\Temp\UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr
"C:\Users\Admin\AppData\Local\Temp\UPDATED (DELAY NOTICE) - CIF Hamburg by Sea - ETC 1219 , SO 6722.DOC.scr"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:484

C:\ProgramData\AnyDesk\AnyDesk.exe
"C:\ProgramData\AnyDesk\AnyDesk.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1612

C:\ProgramData\AnyDesk\AnyDesk.exe
"C:\ProgramData\AnyDesk\AnyDesk.exe"
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:3336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\AnyDesk\AnyDesk.exe

Filesize
869KB

MD5
4f0c56459b4f0e8f51502e434d1ffc24

SHA1
b36e6bd0cf69d7b0258ace48f01feff65a6fb4c5

SHA256
ae86206a568d280d3e030ec9649148ff98b59c6e3cd25e78094cc53631b674d7

SHA512
e34912e2840cc9991eb4102ede29f85b0cc812fa1e44d19a0fa5b7397bf207f6e0b374c5e121cffc69e63b9fc8c11113c1c70a66e2d756cc27d9692fd93b7ea3

Download Submit
C:\ProgramData\AnyDesk\logs.dat

Filesize
144B

MD5
eefecca7a146c76d1d5ae8521014b250

SHA1
13bebb1a2b9da735b0e212ab54f7b98816528546

SHA256
b9a7847deee43f3a59fa76b9be11f353127aace167371e32aa19e2dcbe0bab5e

SHA512
fc096222898773f236f0c14446c1eb03909b67568695d2d5e165c0b9ecdfb878f1190ae0e09ddbb4224fbd76bebbe1e512ee61168941bf2bd1ea748b32e09444

Download Submit
memory/484-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/484-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/484-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/484-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/484-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1612-39-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/1612-31-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

Filesize
64KB

Download
memory/1612-30-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3104-9-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download
memory/3104-1-0x0000000000EA0000-0x0000000000F80000-memory.dmp

Filesize
896KB

Download
memory/3104-10-0x000000000AB50000-0x000000000AC08000-memory.dmp

Filesize
736KB

Download
memory/3104-0-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download
memory/3104-8-0x0000000005B50000-0x0000000005B5A000-memory.dmp

Filesize
40KB

Download
memory/3104-7-0x0000000005AF0000-0x0000000005AF8000-memory.dmp

Filesize
32KB

Download
memory/3104-18-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download
memory/3104-6-0x0000000005B20000-0x0000000005B38000-memory.dmp

Filesize
96KB

Download
memory/3104-5-0x0000000005A10000-0x0000000005A1A000-memory.dmp

Filesize
40KB

Download
memory/3104-4-0x0000000005B70000-0x0000000005B80000-memory.dmp

Filesize
64KB

Download
memory/3104-3-0x0000000005950000-0x00000000059E2000-memory.dmp

Filesize
584KB

Download
memory/3104-11-0x000000000DC10000-0x000000000DCAC000-memory.dmp

Filesize
624KB

Download
memory/3104-2-0x0000000005FF0000-0x0000000006594000-memory.dmp

Filesize
5.6MB

Download
memory/3336-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3336-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads