remcos | 41ed87725575a97d3f1a04554cb78dd3fb973e209950d2f7c54168626ce57ef4

General

Target

f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe
Size

850KB
MD5

f1484465f0d58e374932d04f7855ecf4
SHA1

9761138927c2146fc13f1f7412c38a08713eed15
SHA256

41ed87725575a97d3f1a04554cb78dd3fb973e209950d2f7c54168626ce57ef4
SHA512

b09f2e7d63e9290ef0f6a65d5ef307e1fdc74fe0fe2ab95374af6d6fe8054c19d488b85492c379487c39c9d3af85907c8a5ae2dafeb33c0d9238ec701eb9e9c8
SSDEEP

12288:2kLHuNG6NUzpL/tIYXJ21WtG1HI8mhgDPzfM7OPcO3cOm4fHhd8lgkds73K:1LHutNipZIXv1/cOPzZPcOPm4pd8lJ

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Version

3.1.5 Pro

Botnet

RemoteHost

C2

45.137.22.101:5888

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-DO13UE
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe

description pid process target process

PID 1524 set thread context of 2456 1524 f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe RegSvcs.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

2636 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe

pid process

1524 f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 1524 f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe

description	pid	process	target process
PID 1524 set thread context of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe

pid	process
2636	schtasks.exe

pid	process
1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe

description	pid	process	target process
PID 1524 wrote to memory of 2636	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	schtasks.exe
PID 1524 wrote to memory of 2636	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	schtasks.exe
PID 1524 wrote to memory of 2636	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	schtasks.exe
PID 1524 wrote to memory of 2636	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	schtasks.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe
PID 1524 wrote to memory of 2456	1524	f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1484465f0d58e374932d04f7855ecf4_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cfGWuVQfXhTnwl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFAC.tmp"
2⤵
- Creates scheduled task(s)
PID:2636

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:2456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
4c7c7fc882c1de783db4625188871c63

SHA1
6c815b8672292b8bc42f296c9c4f21189da54b20

SHA256
01e974a2258fabc9b6eda6efe6f51bf8a39639a086e4f2b7b0e98b360b05054c

SHA512
60eb04f2df15124c7f5cc35231cd581815e9b4318cd6494bb6c12d204945ee736939341eeca7536b1cd8335ccaeed105cdbc2aeff214ebc100640375a9b48710

Download Submit
memory/1524-0-0x0000000000990000-0x0000000000A6A000-memory.dmp

Filesize
872KB

Download
memory/1524-1-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/1524-2-0x00000000048C0000-0x0000000004900000-memory.dmp

Filesize
256KB

Download
memory/1524-3-0x00000000004E0000-0x00000000004E8000-memory.dmp

Filesize
32KB

Download
memory/1524-4-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/1524-5-0x00000000048C0000-0x0000000004900000-memory.dmp

Filesize
256KB

Download
memory/1524-6-0x0000000005700000-0x00000000057E0000-memory.dmp

Filesize
896KB

Download
memory/1524-7-0x0000000007D10000-0x0000000007DBA000-memory.dmp

Filesize
680KB

Download
memory/1524-30-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-12-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2456-13-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2456-15-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2456-17-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2456-19-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2456-21-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2456-23-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2456-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2456-27-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2456-29-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2456-11-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2456-31-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads