remcos | 700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 08:46

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General

Target

SWIFT_PDF.exe
Size

908KB
MD5

101a0df83daf8836f9bf996d72c4c6a9
SHA1

c778e9a0ff2dab0404cf84ac4db2139aa4d2b000
SHA256

700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127
SHA512

2e6d4de5edfb066c81e08a6d04f82b09c44f520898d8328230b172dafda2197dc509dd6a58e0a345ffc74d403e9a7ff949e1ae2d20ac9f6152c41bf8bee60661
SSDEEP

24576:ZlDEOmXZLjtSvwE8hm3vVp7QbsKswxPSIk:kOUZLjAbh3vVNWRswI

Score

10^/10

remcos mekus discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

mekus

dpm-sael.com:2017

Attributes

audio_folder
MicRecords
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
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
meckus-ODY51K
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
5060	powershell.exe
1620	powershell.exe

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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	SWIFT_PDF.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3812 set thread context of 3560	3812	SWIFT_PDF.exe	100

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 5 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	SWIFT_PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SWIFT_PDF.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
4812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
5060	powershell.exe
5060	powershell.exe
1620	powershell.exe
1620	powershell.exe
5060	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5060	powershell.exe
Token: SeDebugPrivilege	1620	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3560	SWIFT_PDF.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 5060	3812	SWIFT_PDF.exe	94
PID 3812 wrote to memory of 5060	3812	SWIFT_PDF.exe	94
PID 3812 wrote to memory of 5060	3812	SWIFT_PDF.exe	94
PID 3812 wrote to memory of 1620	3812	SWIFT_PDF.exe	96
PID 3812 wrote to memory of 1620	3812	SWIFT_PDF.exe	96
PID 3812 wrote to memory of 1620	3812	SWIFT_PDF.exe	96
PID 3812 wrote to memory of 4812	3812	SWIFT_PDF.exe	98
PID 3812 wrote to memory of 4812	3812	SWIFT_PDF.exe	98
PID 3812 wrote to memory of 4812	3812	SWIFT_PDF.exe	98
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100
PID 3812 wrote to memory of 3560	3812	SWIFT_PDF.exe	100

C:\Users\Admin\AppData\Local\Temp\SWIFT_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT_PDF.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SWIFT_PDF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5060
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GCjswFKGCv.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1620
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GCjswFKGCv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F25.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4812
- C:\Users\Admin\AppData\Local\Temp\SWIFT_PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT_PDF.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
202a5290541943a505f6cb34cb7ce45f

SHA1
e904e70688394706e27cf3c602fc4a9a4138ffad

SHA256
d29d75b5a1d5850f0e9c887eda4fcfc3e5676f98de6e66d5e0f09a6a567f55cf

SHA512
faf167db438d3afd6c284beab34337b7c26ffe2166dc4c16c75d76042830e3786965b25c7c8d9af6d60ffa43db26f71a0e16f152a5d580bc3066232e56b200b0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
bfcd3e2855fd5d6e0bf3f41f9e091db4

SHA1
bf01c6f2388c0d356f66044aa015e1903c08c405

SHA256
2b3351b7b3e3fff795ca4549c12ddc870a3a2c50a5c60a99275d805fef905976

SHA512
10c613924f36befb36677946ac714a1cf8847cbfc332b94f59eaee48688662b3f2062381f266f9a62b837308eda272e1c494f1bf3b489925f0050f43d96a18e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c2cd1dtq.y34.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4F25.tmp

Filesize
1KB

MD5
0d3b1cd1025a63de4409f2725006a950

SHA1
b503108620abf0cc952a77514aee5cb1613c4bbf

SHA256
2ed73948991198866bf09e72c026e04c90df49f0072ff9bc91e339ada8400f1e

SHA512
0e6d8b430c4d8853ce14b2fa50c9f0a575886a1f8ab67ba668fb7049a7d396498a22c6d0876a570f91e5c453b7c4572f63ed4376ac5640a91353c4b4b8ae7af9

Download Submit
memory/1620-79-0x0000000007110000-0x00000000071B3000-memory.dmp

Filesize
652KB

Download
memory/1620-84-0x00000000074D0000-0x0000000007566000-memory.dmp

Filesize
600KB

Download
memory/1620-82-0x00000000072C0000-0x00000000072CA000-memory.dmp

Filesize
40KB

Download
memory/1620-88-0x0000000007590000-0x00000000075AA000-memory.dmp

Filesize
104KB

Download
memory/1620-57-0x0000000006ED0000-0x0000000006F02000-memory.dmp

Filesize
200KB

Download
memory/1620-68-0x0000000006E90000-0x0000000006EAE000-memory.dmp

Filesize
120KB

Download
memory/1620-58-0x0000000074ED0000-0x0000000074F1C000-memory.dmp

Filesize
304KB

Download
memory/1620-54-0x0000000005F20000-0x0000000005F3E000-memory.dmp

Filesize
120KB

Download
memory/1620-95-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1620-38-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1620-19-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3560-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-140-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-172-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-170-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-169-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-168-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-166-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-165-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-164-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-162-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-161-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-160-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-158-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-157-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-156-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-154-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-153-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-152-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-151-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-149-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-148-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-147-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-145-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-144-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-143-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-141-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-137-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-136-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-135-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-133-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-101-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-107-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-108-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-113-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-132-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-115-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-118-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-119-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-120-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-121-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-123-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-124-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-125-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-127-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-128-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-129-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3560-131-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3812-6-0x0000000005010000-0x0000000005022000-memory.dmp

Filesize
72KB

Download
memory/3812-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/3812-2-0x0000000005360000-0x0000000005904000-memory.dmp

Filesize
5.6MB

Download
memory/3812-41-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3812-3-0x0000000004DB0000-0x0000000004E42000-memory.dmp

Filesize
584KB

Download
memory/3812-10-0x00000000093B0000-0x000000000944C000-memory.dmp

Filesize
624KB

Download
memory/3812-4-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3812-9-0x0000000006CB0000-0x0000000006D70000-memory.dmp

Filesize
768KB

Download
memory/3812-5-0x0000000004D80000-0x0000000004D8A000-memory.dmp

Filesize
40KB

Download
memory/3812-8-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3812-1-0x0000000000290000-0x000000000037A000-memory.dmp

Filesize
936KB

Download
memory/3812-7-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/5060-81-0x0000000007060000-0x000000000707A000-memory.dmp

Filesize
104KB

Download
memory/5060-55-0x0000000005D50000-0x0000000005D9C000-memory.dmp

Filesize
304KB

Download
memory/5060-86-0x0000000007290000-0x000000000729E000-memory.dmp

Filesize
56KB

Download
memory/5060-80-0x00000000076A0000-0x0000000007D1A000-memory.dmp

Filesize
6.5MB

Download
memory/5060-87-0x00000000072A0000-0x00000000072B4000-memory.dmp

Filesize
80KB

Download
memory/5060-89-0x0000000007380000-0x0000000007388000-memory.dmp

Filesize
32KB

Download
memory/5060-69-0x0000000074ED0000-0x0000000074F1C000-memory.dmp

Filesize
304KB

Download
memory/5060-21-0x0000000004F70000-0x0000000004F92000-memory.dmp

Filesize
136KB

Download
memory/5060-15-0x0000000002460000-0x0000000002496000-memory.dmp

Filesize
216KB

Download
memory/5060-85-0x0000000007260000-0x0000000007271000-memory.dmp

Filesize
68KB

Download
memory/5060-23-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/5060-16-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-17-0x0000000004FD0000-0x00000000055F8000-memory.dmp

Filesize
6.2MB

Download
memory/5060-18-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-96-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-40-0x0000000005750000-0x0000000005AA4000-memory.dmp

Filesize
3.3MB

Download
memory/5060-29-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-22-0x0000000005670000-0x00000000056D6000-memory.dmp

Filesize
408KB

Download