remcos | 1f3358783cef07f7a60b0530c0de90be8a1131715faaf9d841ce830d9116434b

Analysis

max time kernel
149s
max time network
147s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
23/10/2024, 12:55

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General

Target

New Purchase Order-030220- SMART SOURCING INC.exe
Size

678KB
MD5

3207acb14184189a3800a8e20a82b023
SHA1

65d2ad175339e0dc644b301c85e7f02f098bbb63
SHA256

1f3358783cef07f7a60b0530c0de90be8a1131715faaf9d841ce830d9116434b
SHA512

71ccfda46c9c98944153398afebe09708d9c071da3e821f238b865fb77551734e94fbf6e39445c45da926efac9a7b6f9fcc6fe0d93ba8a2274d0fdc25c569bd0
SSDEEP

12288:qMu7vJgCfeUA94QAyS3ewHXsnn38zVzMfpNemioprHlJ:q5mZ2emcnn38pzE4In

Score

10^/10

remcos solomon discovery rat

Malware Config

Extracted

Family

remcos

Botnet

SOLOMON

grantadistciaret.com:3212

grantadistciaret.com:3223

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%Temp%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
RmcxeJ-GSQVVR
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 128 set thread context of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77

System Location Discovery: System Language Discovery 1 TTPs 1 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	Caspol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3176	Caspol.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77
PID 128 wrote to memory of 3176	128	New Purchase Order-030220- SMART SOURCING INC.exe	77

C:\Users\Admin\AppData\Local\Temp\New Purchase Order-030220- SMART SOURCING INC.exe
"C:\Users\Admin\AppData\Local\Temp\New Purchase Order-030220- SMART SOURCING INC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:128
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
f61943a7a316492e9e27ef1aa4cd96ba

SHA1
c91418ef0b9410485ebccaccb28d5f706f92c9ce

SHA256
60cc45ed046f1bd99c133d303fdf0c6b42c1f33e0b9d75f95dc41cb4ad3174f8

SHA512
be4a50d818c39dc622481b74918c363bc1f43f8c725aa1dbfa8f58bb0d0ea0dee8f8d103fb23b4b43a34dcf5e2c541d4e721fdbc52f958b85dd5d1a80e590747

Download Submit
memory/128-15-0x00007FF8C1C50000-0x00007FF8C2712000-memory.dmp

Filesize
10.8MB

Download
memory/128-1-0x0000023A1A700000-0x0000023A1A7AE000-memory.dmp

Filesize
696KB

Download
memory/128-2-0x0000023A1C510000-0x0000023A1C596000-memory.dmp

Filesize
536KB

Download
memory/128-3-0x0000023A1ABA0000-0x0000023A1ABA6000-memory.dmp

Filesize
24KB

Download
memory/128-4-0x00007FF8C1C50000-0x00007FF8C2712000-memory.dmp

Filesize
10.8MB

Download
memory/128-5-0x0000023A1ABB0000-0x0000023A1ABBA000-memory.dmp

Filesize
40KB

Download
memory/128-0-0x00007FF8C1C53000-0x00007FF8C1C55000-memory.dmp

Filesize
8KB

Download
memory/3176-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3176-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3176-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3176-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3176-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3176-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3176-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download