remcos | eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 19:56

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General

Target

JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe
Size

1.0MB
MD5

31cadb8fd44b7505ebb10496d9473137
SHA1

12f2f50630a93099cc7805dec612c45e7d95aace
SHA256

eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f
SHA512

33fd7ca1afc6eb3eaf2295c26622e187ee59d7b7557c082f6ab86855926bc243ade2f018691180081d81faac21c174eadc213fb9852dcddc47693f5ecd028788
SSDEEP

24576:RrzUovxWtqruEQY3J+bP2XMmLA6/BABT/9:5zVv0WrQlPqc6y/9

Score

10^/10

remcos karen discovery rat

Malware Config

Extracted

Family

remcos

Version

2.7.0 Pro

Botnet

KAREN

colpengaer.duckdns.org:1717

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
Remcos-66R7XG
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
wikipedia;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1708 set thread context of 2516	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	102

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe
1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe
1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe
1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe
1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2516	RegSvcs.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 3392	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	98
PID 1708 wrote to memory of 3392	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	98
PID 1708 wrote to memory of 3392	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	98
PID 1708 wrote to memory of 5040	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	100
PID 1708 wrote to memory of 5040	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	100
PID 1708 wrote to memory of 5040	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	100
PID 1708 wrote to memory of 4904	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	101
PID 1708 wrote to memory of 4904	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	101
PID 1708 wrote to memory of 4904	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	101
PID 1708 wrote to memory of 2516	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	102
PID 1708 wrote to memory of 2516	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	102
PID 1708 wrote to memory of 2516	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	102
PID 1708 wrote to memory of 2516	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	102
PID 1708 wrote to memory of 2516	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	102
PID 1708 wrote to memory of 2516	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	102
PID 1708 wrote to memory of 2516	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	102
PID 1708 wrote to memory of 2516	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	102
PID 1708 wrote to memory of 2516	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	102
PID 1708 wrote to memory of 2516	1708	JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe	102

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eef9c08880458efef330e16b28b5d801d75163fc96730a08d2f7035e9dec781f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tGNKOX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp162.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3392
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:5040
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:4904
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp162.tmp

Filesize
1KB

MD5
8a772ca6be1f460b278956cc36847822

SHA1
7e0eee1293e8056059109422e423d56a44de13df

SHA256
4839902a7b4639ab28caf5035954cfca66c8bef736d50f1cd869c2257d3cd8ec

SHA512
08a4275183d8bbf024254a3789939786bdfe609b17ac5eece23f1e2b4f5809665ac9f3dd9bd40084eb5d4789b9d0c02a73ae326048a82990102bd64902b6b510

Download Submit
C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
74B

MD5
3853b6a219c51ac95dd972dcf6d5f116

SHA1
47e6f3bef3f247f8c8ee5f63aba39dafcfe8fd16

SHA256
cf05632bea2b1ef3ec4af5010709bfc0ec713476c378957ff61ef89c0838b3ce

SHA512
6a1025522987017f7895f022928ec68acc4b8fa47466b3aa7a8154e6b2764467d4524f03a338fa5878ba158739127ddd5a29acbec1bc82718c50e4c619f7d81f

Download Submit
memory/1708-6-0x0000000004F00000-0x0000000004F0A000-memory.dmp

Filesize
40KB

Download
memory/1708-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download
memory/1708-4-0x0000000004DC0000-0x0000000004DCA000-memory.dmp

Filesize
40KB

Download
memory/1708-5-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1708-24-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1708-7-0x0000000005210000-0x00000000052AC000-memory.dmp

Filesize
624KB

Download
memory/1708-8-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/1708-9-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1708-10-0x0000000005ED0000-0x0000000005F8E000-memory.dmp

Filesize
760KB

Download
memory/1708-11-0x0000000004810000-0x0000000004896000-memory.dmp

Filesize
536KB

Download
memory/1708-2-0x0000000005440000-0x00000000059E4000-memory.dmp

Filesize
5.6MB

Download
memory/1708-1-0x00000000003F0000-0x00000000004FE000-memory.dmp

Filesize
1.1MB

Download
memory/1708-0-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/2516-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-49-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-22-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-23-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-42-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-43-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-44-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-45-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-46-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-47-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-48-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-19-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-50-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-52-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-54-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-55-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-57-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-58-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-59-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-60-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-61-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-63-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-64-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-65-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-67-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-68-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-70-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-72-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-74-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-76-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-79-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-80-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-83-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-84-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-85-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download