remcos | b70ee93e9f63d90785264d45dae48012a1d00b92f63c21ccae0f5d2003c00554

General

Target

RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe
Size

774KB
MD5

68038cd6686e726c8d5fcfdf5b62d37a
SHA1

3540f781ed5720b4d3a71f964e6e5142748fb182
SHA256

b70ee93e9f63d90785264d45dae48012a1d00b92f63c21ccae0f5d2003c00554
SHA512

58af96f1b666552f6bea4fac6bbb94215da373090ff6f027ddaa214f4625aa720d76f2455d3cb30c7ee585e6f6b695ebaf52f1e556dc4bcf2413043412609351

Score

10^/10

remcos septttt persistence rat suricata

Malware Config

Extracted

Family

remcos

Version

3.1.5 Pro

Botnet

septttt

C2

204.44.86.179:49151

123qwegus.duckdns.org:49151

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
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-ZXIQGD
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
notepad;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gfheqsv = "C:\\Users\\Public\\Libraries\\vsqehfG.url"	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe

description	pid	process	target process
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe
PID 1400 wrote to memory of 2112	1400	RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe	mobsync.exe

C:\Users\Admin\AppData\Local\Temp\RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-Order_Sheet#43254363-Sept-21_signed-copy.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
2⤵
PID:2112

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/1400-114-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/2112-118-0x0000000000000000-mapping.dmp

Download
memory/2112-120-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/2112-119-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/2112-122-0x0000000010590000-0x000000001060C000-memory.dmp

Filesize
496KB

Download
memory/2112-121-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/2112-123-0x0000000000710000-0x0000000000789000-memory.dmp

Filesize
484KB

Download

Analysis

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