remcos | 96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914

General

Target

96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe
Size

893KB
MD5

713d5d355897713dedd6ad842803c318
SHA1

04d95dfa3a448e1bc0ea8538d99d00768493103e
SHA256

96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914
SHA512

b5ea9005a4293b2cfea9e1f7c3b8fd3f6783816bc500640c19a632c28e85ea9797bc6fbc7a2237dbf17219e3dbebf59cc5a77164b74fc2cf18bacfd3be0777af
SSDEEP

12288:Jp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3z7:JpugRNJI1D39dlfGQrFUxwAez7

Score

10^/10

remcos host discovery persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

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
2328	sbietrcl.exe
1156	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 1156	2328	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	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe
2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe
2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe
2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe
2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe
2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe
2328	sbietrcl.exe
2328	sbietrcl.exe
2328	sbietrcl.exe
2328	sbietrcl.exe
2328	sbietrcl.exe
2328	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe
Token: SeDebugPrivilege	2328	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1156	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2328	2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe	31
PID 2272 wrote to memory of 2328	2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe	31
PID 2272 wrote to memory of 2328	2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe	31
PID 2272 wrote to memory of 2328	2272	96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe	31
PID 2328 wrote to memory of 1156	2328	sbietrcl.exe	32
PID 2328 wrote to memory of 1156	2328	sbietrcl.exe	32
PID 2328 wrote to memory of 1156	2328	sbietrcl.exe	32
PID 2328 wrote to memory of 1156	2328	sbietrcl.exe	32
PID 2328 wrote to memory of 1156	2328	sbietrcl.exe	32
PID 2328 wrote to memory of 1156	2328	sbietrcl.exe	32
PID 2328 wrote to memory of 1156	2328	sbietrcl.exe	32
PID 2328 wrote to memory of 1156	2328	sbietrcl.exe	32
PID 2328 wrote to memory of 1156	2328	sbietrcl.exe	32
PID 2328 wrote to memory of 1156	2328	sbietrcl.exe	32

C:\Users\Admin\AppData\Local\Temp\96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.exe
"C:\Users\Admin\AppData\Local\Temp\96fc3f17433553b27cbf2e96329e524eaa04f7cd2e3ced0b34a0a57520b69914.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:2272
- 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:2328
- - 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:1156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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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
88e01350876a0722ca2d917056562472

SHA1
4a0d807c04f7bafc8afa52f2ac696c6e69cacfae

SHA256
54ebb2347fa80c1372b1f4c65476330faa4347cfbcb3be676f6a43984157d3d3

SHA512
c06a24f01d1fb3a07e5db74ccbaebbe2f45be66a884b2e34fdcb801abd22d8a87d3bef89f3b1c62fb00f61fa2d3291e760e834d6d790d9048c304af0d4e7bdef

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

Filesize
344B

MD5
7dfd3f25599047e968919cdef8d50006

SHA1
1e314ec68a9a505243db4fa168216a7fe47ff525

SHA256
dbe59bdc2affe3aafb5fc8527648eb22e66f88594a8a77fe0ac34035fc6ac887

SHA512
ab85ad0c2c12b1b14d972a0897056ff3041a93156bcbe42604a7b22ae2dbee8c5ca360a52ddd8e25a4150d2fd484fcc2365b4ccb2222468dce28b43f63012b42

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabD471.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD474.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE36C.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

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

Filesize
899KB

MD5
7eafb90d15c76c11baeed0fa882d51dd

SHA1
5c3309423ca24871ae2a4d4b9d33e9a58be3b33d

SHA256
0b0e89e865db34b7520d4e8c028f9bec62f6898d5185fc4d94bc9c6e6f2ca1ec

SHA512
f66679effd4e2cdc54c125a2a841ebe0c29a11cac6cd52e13cbbd92d818f3808fb3320f43f4fd47cc0b83d68d33230dd84d310326b1ff5eee23c8348ca2f8559

Download Submit
memory/1156-221-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1156-217-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1156-227-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1156-230-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1156-232-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1156-215-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1156-219-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1156-213-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1156-226-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1156-224-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1156-223-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2272-0-0x0000000074A31000-0x0000000074A32000-memory.dmp

Filesize
4KB

Download
memory/2272-1-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/2272-181-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/2272-198-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/2272-180-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/2272-193-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/2328-201-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/2328-231-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads