remcos | eef39efb8d95389b021725e983e1778feed9d86f026352f4a3d7effb3f9ddab9

General

Target

ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
Size

334KB
MD5

ecfc06aeffa7b94f8f41b4ace8f7bcd1
SHA1

a3e7907df35529e600ef5ee66af3788b10769d95
SHA256

eef39efb8d95389b021725e983e1778feed9d86f026352f4a3d7effb3f9ddab9
SHA512

eaaa53f3d660218073f1c090c33bb9794477576aa469c42855acec61aea8c27163e44be31dbef957ab689bd2306481d3a19c66aafc4e5553f8546024ee3c688b
SSDEEP

3072:6zQgBOSOm06uNDTnFIcqvPwl+n0lLPjpymmQfRZ8XVMHluaqLIQHRhxsllD7g5ZM:6hduBTnFoYl+0ZPjpyb+Ya3gmyx

Score

10^/10

remcos host rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

212.83.46.23:3110

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
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_sfofkbucbh
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
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:

ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

description	pid	process	target process
PID 2056 set thread context of 2736	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_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

1788 schtasks.exe

pid	process
1788	schtasks.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

description	pid	process	target process
PID 2056 wrote to memory of 1788	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	schtasks.exe
PID 2056 wrote to memory of 1788	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	schtasks.exe
PID 2056 wrote to memory of 1788	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	schtasks.exe
PID 2056 wrote to memory of 1788	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	schtasks.exe
PID 2056 wrote to memory of 2736	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 2056 wrote to memory of 2736	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 2056 wrote to memory of 2736	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 2056 wrote to memory of 2736	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 2056 wrote to memory of 2736	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 2056 wrote to memory of 2736	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 2056 wrote to memory of 2736	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 2056 wrote to memory of 2736	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 2056 wrote to memory of 2736	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
PID 2056 wrote to memory of 2736	2056	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe	ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2056

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fbgRPALWLbAhN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4AC6.tmp"
2⤵
- Creates scheduled task(s)
PID:1788

C:\Users\Admin\AppData\Local\Temp\ecfc06aeffa7b94f8f41b4ace8f7bcd1_JaffaCakes118.exe
"{path}"
2⤵
PID:2736

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4AC6.tmp
Filesize
1KB

MD5
3916ff1162b81cad9d5d71a97c9f4f33

SHA1
39cf5b1ea103ebc8fab698e3e8ea4a0c5574d19e

SHA256
b11c5eae095e3bef13dc4efa8d56ef6299b56c162bd4bbc8fadc09a92b68a5cc

SHA512
bddb31a37f400af3cd9c8b145e08a54943b9daa7db3d6bebdf269ae1180e5d173b8a5e66cf96a3e08f319a23a4e1de45f2d618ed86c446e36292e18015cb7da7

Download Submit
memory/2056-0-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2056-1-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2056-2-0x0000000000290000-0x00000000002D0000-memory.dmp

Filesize
256KB

Download
memory/2056-21-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2736-10-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2736-14-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2736-15-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2736-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2736-18-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2736-20-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2736-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2736-22-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2736-23-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads