remcos | bc9a015e5d26a1f1501e36fd8412eb857174dd1c6a8d191d7eb919ee3339108b

General

Target

tmp.exe
Size

1.2MB
MD5

a4ada15baf9ff8fa3c13fd28da43b2a4
SHA1

47a5855306908d631f618185856d4df962e4272d
SHA256

bc9a015e5d26a1f1501e36fd8412eb857174dd1c6a8d191d7eb919ee3339108b
SHA512

ed0a43906d6640c6a21770b3812f9926f236e4725e0f2a307cbedb439c0d28e303f6a1594fefc5d7df0cd9e0bbef5410b85e51992f326fb8644b1dcf9468443c
SSDEEP

24576:KmVXdnHg5GC4NFGQQzhT2aXwwAGg1iFnlds5jWdfDc:KidnH7CAFSd7XwwxWiF/s9ODc

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

89.37.99.49:5888

Attributes

audio_folder
MicRecords
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
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-E41YRQ
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

Signatures

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

Processes:

tmp.exe

description pid process target process

PID 1240 set thread context of 1892 1240 tmp.exe tmp.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

1452 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

tmp.exepowershell.exe

pid process

1240 tmp.exe
1240 tmp.exe
580 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tmp.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1240 tmp.exe
Token: SeDebugPrivilege 580 powershell.exe

description	pid	process	target process
PID 1240 set thread context of 1892	1240	tmp.exe	tmp.exe

pid	process
1452	schtasks.exe

pid	process
1240	tmp.exe
1240	tmp.exe
580	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1240	tmp.exe
Token: SeDebugPrivilege	580	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 1240 wrote to memory of 580	1240	tmp.exe	powershell.exe
PID 1240 wrote to memory of 580	1240	tmp.exe	powershell.exe
PID 1240 wrote to memory of 580	1240	tmp.exe	powershell.exe
PID 1240 wrote to memory of 580	1240	tmp.exe	powershell.exe
PID 1240 wrote to memory of 1452	1240	tmp.exe	schtasks.exe
PID 1240 wrote to memory of 1452	1240	tmp.exe	schtasks.exe
PID 1240 wrote to memory of 1452	1240	tmp.exe	schtasks.exe
PID 1240 wrote to memory of 1452	1240	tmp.exe	schtasks.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe
PID 1240 wrote to memory of 1892	1240	tmp.exe	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vHmcoZwOzkSra.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:580

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vHmcoZwOzkSra" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BFB.tmp"
2⤵
- Creates scheduled task(s)
PID:1452

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
PID:1892

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\tmp8BFB.tmp
Filesize
1KB

MD5
db337a95789ebb7189a51687737c5303

SHA1
97c9a688e56a11b387e497b09e8157030407858b

SHA256
4ea906b21d5dea9d7a23938309b61cc79ee7b7109ae9d356cf70ccde78f7bcce

SHA512
38ba0b22176edf47c586ae85fd1970509ecd9c68408cfd3c93149344fc3d7913200add3f9bc7f7d5648d779d4cee9365e0681528e8b4099a132f1b62cda4d1d1

Download Submit
memory/580-85-0x0000000002720000-0x0000000002760000-memory.dmp

Filesize
256KB

Download
memory/580-84-0x0000000002720000-0x0000000002760000-memory.dmp

Filesize
256KB

Download
memory/1240-54-0x00000000011A0000-0x00000000012DE000-memory.dmp

Filesize
1.2MB

Download
memory/1240-55-0x0000000004A00000-0x0000000004A40000-memory.dmp

Filesize
256KB

Download
memory/1240-56-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1240-57-0x0000000000640000-0x000000000064C000-memory.dmp

Filesize
48KB

Download
memory/1240-58-0x0000000005880000-0x0000000005974000-memory.dmp

Filesize
976KB

Download
memory/1240-64-0x00000000048F0000-0x0000000004970000-memory.dmp

Filesize
512KB

Download
memory/1892-74-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-82-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-70-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-69-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-73-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-67-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1892-76-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-78-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-79-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-80-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-68-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-81-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-66-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-65-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-87-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-88-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-89-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-90-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-91-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1892-92-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads