remcos | add6234329d65ae878b6112d7d63d6641b842d28c0fa2fa5fbbb09a1b835bc0c

Analysis

max time kernel
145s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:08

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General

Target

24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe
Size

867KB
MD5

89cb35f716c4b65d8fb1118795c20b07
SHA1

abf03fa78a97a1787bed6361d6ea862f3ed15221
SHA256

24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5
SHA512

bb1b3104c3f28d863a5c984e19e747e73e57ff71febbfb758b25e4b89227e19fed199b979e020bce1019f47bd6d5f7aa77e8b52ad66db4d3b18a2d260652d395
SSDEEP

12288:Hp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3A7:HpugRNJI1D39dlfGQrFUxwAeA7

Score

10^/10

remcos host discovery persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

213.183.58.19:4000

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
read.dat
keylog_flag
false
keylog_folder
CastC
keylog_path
%AppData%
mouse_option
false
mutex
remcos_sccafsoidz
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
startup_value
remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
2332	sbietrcl.exe
1176	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2332 set thread context of 1176	2332	sbietrcl.exe	32

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 3 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	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe
1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe
1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe
1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe
1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe
1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe
2332	sbietrcl.exe
2332	sbietrcl.exe
2332	sbietrcl.exe
2332	sbietrcl.exe
2332	sbietrcl.exe
2332	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe
Token: SeDebugPrivilege	2332	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1176	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 2332	1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe	31
PID 1568 wrote to memory of 2332	1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe	31
PID 1568 wrote to memory of 2332	1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe	31
PID 1568 wrote to memory of 2332	1568	24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe	31
PID 2332 wrote to memory of 1176	2332	sbietrcl.exe	32
PID 2332 wrote to memory of 1176	2332	sbietrcl.exe	32
PID 2332 wrote to memory of 1176	2332	sbietrcl.exe	32
PID 2332 wrote to memory of 1176	2332	sbietrcl.exe	32
PID 2332 wrote to memory of 1176	2332	sbietrcl.exe	32
PID 2332 wrote to memory of 1176	2332	sbietrcl.exe	32
PID 2332 wrote to memory of 1176	2332	sbietrcl.exe	32
PID 2332 wrote to memory of 1176	2332	sbietrcl.exe	32
PID 2332 wrote to memory of 1176	2332	sbietrcl.exe	32
PID 2332 wrote to memory of 1176	2332	sbietrcl.exe	32

C:\Users\Admin\AppData\Local\Temp\24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe
"C:\Users\Admin\AppData\Local\Temp\24333d13e7b86f4e510460d2dd15aec988c73187602e961b434f12ee69f8e2f5.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:1176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
71KB

MD5
83142242e97b8953c386f988aa694e4a

SHA1
833ed12fc15b356136dcdd27c61a50f59c5c7d50

SHA256
d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

SHA512
bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
764e57104ffe021d10c61e679f565edd

SHA1
e8ff33fd093a56678aef7ced97ea067cf6df2c9b

SHA256
776ef4f44332869634899fe12d790147ea5dbb3e03b96d09fbe556ec91373968

SHA512
99a4ec3f11d5682fc20ae8bf73cba3b7a056e1f132eeac46562ea5eca43630c8b64019f685391b6e50e7c0c745df1304a4f5b94b7bd24f7a093c9e3a1cf93fbb

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
ba9095fabc91140248f9a31cdbbd2e92

SHA1
5f90d4c1c4c9abff3feb3ae9e4a04b8fbf621095

SHA256
73921b44945d1bb3dc2125adae88a8d77c6986befe835ffefe4ad2fb164b9b39

SHA512
9a7540631c03dcbbb6e65a6031937d521cdd446fd4e27d51b60b659c1c0050512c5dc84b215cf23ff1c22abd921acfd7f0fcdddbddb13932f73136074712362e

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

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarCFC2.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE59D.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
873KB

MD5
9d84abff74472485915e4a4f7304bde2

SHA1
8211bbfb023e035cee56a3bbb469acd21c837100

SHA256
32ea47d30675dea909da27bf0121bfa40d1fe7e3fa4def31537cac72af42b71e

SHA512
3bdfcf031acfef5fd7c0c16e78a98784c49a79465dbbe57185e2ae9d4327ef99ac11fcfed74ff9ec8b89831bfb9011fd8f550368e409df6240672781430f4f51

Download Submit
memory/1176-224-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1176-219-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1176-233-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1176-227-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1176-229-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1176-232-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1176-216-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1176-223-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1176-214-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1176-220-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1176-225-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1568-0-0x0000000074B31000-0x0000000074B32000-memory.dmp

Filesize
4KB

Download
memory/1568-1-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/1568-181-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/1568-201-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/1568-2-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/1568-194-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/1568-182-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2332-228-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2332-202-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download