remcos | 08120955ca4cdc89e7c6ab767ed3a302e2e07755d2fd3e792b2677003130982a

General

Target

b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
Size

748KB
MD5

b059b572153661934aa9881a49b6dc7b
SHA1

1608657eec7ea2e31153056d731fecd96f0577cc
SHA256

08120955ca4cdc89e7c6ab767ed3a302e2e07755d2fd3e792b2677003130982a
SHA512

c6459ecb394d3aee33a73764a7276290614bfb7cdb6889c7fb6b933d0e143363a302af65dd06bdbe97d25d7165c4212f05133abc0055b99b9bffa6dfd157c9c6
SSDEEP

12288:oGeRG2fKXPuCEGZA7rbp6i8UpT2e2INuVvE6Fq7XAwVDyou7fLtsXveBYXQDNXw:yfUXEGZozOINuiD7XAWDyou7fLtsXvyF

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

RemoteHost

C2

remman1.ddns.net:2404

remman2.ddns.net:2404

remman3.ddns.net:2404

remman4.ddns.net:2404

remman5.ddns.net:2404

remman6.ddns.net:2404

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
hgdtryfhfhf-V1FOWO
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

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:

b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

description	pid	process	target process
PID 4116 set thread context of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

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

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/Job
T1053

Processes:

schtasks.exe

pid process

2836 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

pid process

4116 b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
4116 b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 4116 b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

pid process

2196 b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

pid	process
2836	schtasks.exe

pid	process
4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

pid	process
2196	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4116

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JHKmcvbVuiFhA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp16B0.tmp"
2⤵
- Creates scheduled task(s)
PID:2836

C:\Users\Admin\AppData\Local\Temp\b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2196

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\remcos\logs.dat
Filesize
148B

MD5
7be6d0e68d691bbfcfb8a05919ad6f86

SHA1
8b91cb69a17a7f7914dfb2f5f8f53109dc82cf65

SHA256
0a9a215f573aaed43d4859f3b786f0020daea4a01bfd4dec6486a2737b29c0fa

SHA512
5fc3f3525818b5adbe880c39ee8fa18967d68add861cc3b160a812a91ae998de2b1af8a36f81a38fe744f6f1c9c908883e48ca368e4f8b23171fd5c342bda124

Download Submit
memory/2196-16-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2196-29-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2196-17-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2196-23-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2196-24-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2196-20-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2196-18-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4116-5-0x0000000005990000-0x000000000599A000-memory.dmp

Filesize
40KB

Download
memory/4116-9-0x0000000005C20000-0x0000000005C30000-memory.dmp

Filesize
64KB

Download
memory/4116-10-0x000000000ABF0000-0x000000000AC8C000-memory.dmp

Filesize
624KB

Download
memory/4116-8-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4116-7-0x0000000006EA0000-0x0000000006EAE000-memory.dmp

Filesize
56KB

Download
memory/4116-6-0x0000000006F40000-0x0000000006FDC000-memory.dmp

Filesize
624KB

Download
memory/4116-0-0x0000000000F00000-0x0000000000FC2000-memory.dmp

Filesize
776KB

Download
memory/4116-4-0x0000000005C20000-0x0000000005C30000-memory.dmp

Filesize
64KB

Download
memory/4116-22-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4116-3-0x00000000059B0000-0x0000000005A42000-memory.dmp

Filesize
584KB

Download
memory/4116-2-0x0000000005EC0000-0x0000000006464000-memory.dmp

Filesize
5.6MB

Download
memory/4116-1-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download

description	pid	process	target process
PID 4116 wrote to memory of 2836	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	schtasks.exe
PID 4116 wrote to memory of 2836	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	schtasks.exe
PID 4116 wrote to memory of 2836	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	schtasks.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe
PID 4116 wrote to memory of 2196	4116	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe	b059b572153661934aa9881a49b6dc7b_JaffaCakes118.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads