remcos | 96e975e9e509e40c6b069f4fe4ef338ddaa76472a30e3115374d5ae3b25c7616

General

Target

Due Invoices.exe
Size

410KB
MD5

98a8aeb1ab92c13aa646d3ca22d91286
SHA1

d9d1985d9d6dc8e1af4894ff2716e758fe5d5f29
SHA256

96e975e9e509e40c6b069f4fe4ef338ddaa76472a30e3115374d5ae3b25c7616
SHA512

0a1565ca50782184fb4b106b9c119881260618969b5942bb33eef1dbb18a6960866c756720768af5ef2cf4c19f02597866ce17f4d93d58344130f405877c4934

Score

10^/10

remcos rat

Malware Config

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Suspicious use of SetThreadContext 1 IoCs

Processes:

Due Invoices.exe

description pid process target process

PID 1684 set thread context of 1676 1684 Due Invoices.exe Due Invoices.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

568 schtasks.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Due Invoices.exe

pid process

1676 Due Invoices.exe

description	pid	process	target process
PID 1684 set thread context of 1676	1684	Due Invoices.exe	Due Invoices.exe

pid	process
568	schtasks.exe

pid	process
1676	Due Invoices.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Due Invoices.exe

description	pid	process	target process
PID 1684 wrote to memory of 568	1684	Due Invoices.exe	schtasks.exe
PID 1684 wrote to memory of 568	1684	Due Invoices.exe	schtasks.exe
PID 1684 wrote to memory of 568	1684	Due Invoices.exe	schtasks.exe
PID 1684 wrote to memory of 568	1684	Due Invoices.exe	schtasks.exe
PID 1684 wrote to memory of 1676	1684	Due Invoices.exe	Due Invoices.exe
PID 1684 wrote to memory of 1676	1684	Due Invoices.exe	Due Invoices.exe
PID 1684 wrote to memory of 1676	1684	Due Invoices.exe	Due Invoices.exe
PID 1684 wrote to memory of 1676	1684	Due Invoices.exe	Due Invoices.exe
PID 1684 wrote to memory of 1676	1684	Due Invoices.exe	Due Invoices.exe
PID 1684 wrote to memory of 1676	1684	Due Invoices.exe	Due Invoices.exe
PID 1684 wrote to memory of 1676	1684	Due Invoices.exe	Due Invoices.exe
PID 1684 wrote to memory of 1676	1684	Due Invoices.exe	Due Invoices.exe
PID 1684 wrote to memory of 1676	1684	Due Invoices.exe	Due Invoices.exe

C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe
"C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zzCorc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2665.tmp"
2⤵
- Creates scheduled task(s)
PID:568

C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe
"C:\Users\Admin\AppData\Local\Temp\Due Invoices.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1676

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2665.tmp
MD5
1d8dcac5f0e2d7e0f7c042412ff80409

SHA1
7b88a52434e0360507c54083488bf4450125df00

SHA256
17d06447fa9d686c1e054f971245533173f625a59f851d424eb3db223c3068bd

SHA512
bb5fa1b89eec7d0053d37c707b602caa75135f2da6038ab045e3326abdf274c50b2dbb01a4c8411e3de3f5c12aa1122612dd6a89e48993a2f2ca5a1670ac7312

Download Submit
memory/568-64-0x0000000000000000-mapping.dmp

Download
memory/1676-66-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1676-67-0x00000000004172EC-mapping.dmp

Download
memory/1676-69-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1684-60-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/1684-61-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download
memory/1684-62-0x0000000002211000-0x0000000002212000-memory.dmp

Filesize
4KB

Download
memory/1684-63-0x000000007EF50000-0x000000007EF51000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads