remcos | d660500c553676fcad1d6b2847022578ed20676190b5ed5687cd15d19e98e862

General

Target

e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe
Size

1019KB
MD5

e2c06a71d3e93dbad9029c875221aa9d
SHA1

213ce5c3cea5a223aeb9f19d7db7141f48f90de1
SHA256

d660500c553676fcad1d6b2847022578ed20676190b5ed5687cd15d19e98e862
SHA512

4333b58780aa7aa0a9e70f2fdc531415c2953381fd6d4b7b2f40027732a596ebcf06277fa99516123da994642625527583384548babb20c4aa770a2ef3d4b138
SSDEEP

12288:xKHEJbjJEKIjtjgLw8WDQUEzwak0TMQfTODQfy7vitaArjZnqq2TS/PcoiJCq4ya:mj6s5DYUtQfTnfDsMTZat4yPS

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Version

3.2.0 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-N9SJBV
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:

e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of SetThreadContext 1 IoCs

Processes:

e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe

description pid process target process

PID 2200 set thread context of 4836 2200 e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe vbc.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

764 schtasks.exe

description	pid	process	target process
PID 2200 set thread context of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe

pid	process
764	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe

pid	process
2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe
2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe
2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2200 e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe

description	pid	process	target process
PID 2200 wrote to memory of 764	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	schtasks.exe
PID 2200 wrote to memory of 764	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	schtasks.exe
PID 2200 wrote to memory of 764	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	schtasks.exe
PID 2200 wrote to memory of 4940	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4940	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4940	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe
PID 2200 wrote to memory of 4836	2200	e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2200

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XzZiyvVk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD3DA.tmp"
2⤵
- Creates scheduled task(s)
PID:764

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
PID:4940

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
PID:4836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Scripting

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD3DA.tmp
Filesize
1KB

MD5
7161c982c047cfcb57290560a0cabf9d

SHA1
c369dc5213ae30d1f5f7100a6fddd4cda453a9f3

SHA256
ca109913fff2b68f119f24281e2561a20ab7094ede05f2565cf4b595e960b1fc

SHA512
1d022fdc68c894b74d634ac4fd9e1a79f6f4e782a6fb2faf5470f30712fac186f9bf214dc8644d1d37f5e57407fa04c6cc8f96052b89be1f400f7e88cbbb2db6

Download Submit
memory/2200-10-0x0000000006710000-0x00000000067DE000-memory.dmp

Filesize
824KB

Download
memory/2200-21-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/2200-9-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/2200-4-0x0000000004DF0000-0x0000000004E8C000-memory.dmp

Filesize
624KB

Download
memory/2200-5-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/2200-6-0x0000000004CF0000-0x0000000004CFA000-memory.dmp

Filesize
40KB

Download
memory/2200-7-0x0000000005010000-0x0000000005028000-memory.dmp

Filesize
96KB

Download
memory/2200-8-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/2200-3-0x0000000004D50000-0x0000000004DE2000-memory.dmp

Filesize
584KB

Download
memory/2200-2-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/2200-1-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/2200-11-0x0000000008D30000-0x0000000008DA8000-memory.dmp

Filesize
480KB

Download
memory/2200-0-0x0000000000230000-0x0000000000336000-memory.dmp

Filesize
1.0MB

Download
memory/4836-24-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4836-20-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4836-22-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4836-17-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4836-23-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4836-18-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads