remcos | 1f3358783cef07f7a60b0530c0de90be8a1131715faaf9d841ce830d9116434b

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 4796 set thread context of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86

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
1992	Caspol.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86
PID 4796 wrote to memory of 1992	4796	New Purchase Order-030220- SMART SOURCING INC.exe	86

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:4796
- 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:1992

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
bfa987617d2c75a8e7d3a53f2dbe495c

SHA1
55c06560755b816f0d141cdba34b79f720ffa02a

SHA256
41ec3fca50873614429e12da8b10537b35a99582df244e42ddf79651f84dff8f

SHA512
ba835b956bdd96fa26657279fffc4b96ff687a2f6ee60804d2deaca4cf1a740371dbe9aeaa293a218d355b1afe3059a24b0b5c683ea380d43360c2fbe17c1269

Download Submit
memory/1992-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1992-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1992-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1992-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1992-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1992-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1992-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4796-5-0x0000017C78880000-0x0000017C7888A000-memory.dmp

Filesize
40KB

Download
memory/4796-0-0x00007FFD22063000-0x00007FFD22065000-memory.dmp

Filesize
8KB

Download
memory/4796-4-0x00007FFD22060000-0x00007FFD22B21000-memory.dmp

Filesize
10.8MB

Download
memory/4796-2-0x0000017C78A60000-0x0000017C78AE6000-memory.dmp

Filesize
536KB

Download
memory/4796-15-0x00007FFD22060000-0x00007FFD22B21000-memory.dmp

Filesize
10.8MB

Download
memory/4796-3-0x0000017C78870000-0x0000017C78876000-memory.dmp

Filesize
24KB

Download
memory/4796-1-0x0000017C76C90000-0x0000017C76D3E000-memory.dmp

Filesize
696KB

Download