remcos | de4a727ee3bef985a61facd6f4708d25bb9b1fd96d257620231ac19e9d940425

General

Target

Trojan.MSIL.Hanoone.exe
Size

2.0MB
MD5

468cfba3212b345bf2f66a7aa1d04bc0
SHA1

873e5f202a64f059e6a2e8a7fa166c3cb9d96d76
SHA256

de4a727ee3bef985a61facd6f4708d25bb9b1fd96d257620231ac19e9d940425
SHA512

34676717226b6b9bd5a849b9436e908bf44ea496db4bcf5ffb44788db67c822844a050d753d4d222e7ada0dbd84499ce93049f0ea4ca6bdad9ca647d6311655a
SSDEEP

24576:XD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYFES7Zicw/OL:Xp7E+QrFUBgq2agG

Score

10^/10

remcos host discovery persistence rat

Malware Config

Extracted

Family

remcos

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

Executes dropped EXE 2 IoCs

pid	Process
2712	sbietrcl.exe
1552	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2640	Trojan.MSIL.Hanoone.exe

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	Trojan.MSIL.Hanoone.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 1552	2712	sbietrcl.exe	31

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 2 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	Trojan.MSIL.Hanoone.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2640	Trojan.MSIL.Hanoone.exe
2640	Trojan.MSIL.Hanoone.exe
2640	Trojan.MSIL.Hanoone.exe
2640	Trojan.MSIL.Hanoone.exe
2640	Trojan.MSIL.Hanoone.exe
2640	Trojan.MSIL.Hanoone.exe
2712	sbietrcl.exe
2712	sbietrcl.exe
2712	sbietrcl.exe
2712	sbietrcl.exe
2712	sbietrcl.exe
2712	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	Trojan.MSIL.Hanoone.exe
Token: SeDebugPrivilege	2712	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2712	2640	Trojan.MSIL.Hanoone.exe	30
PID 2640 wrote to memory of 2712	2640	Trojan.MSIL.Hanoone.exe	30
PID 2640 wrote to memory of 2712	2640	Trojan.MSIL.Hanoone.exe	30
PID 2640 wrote to memory of 2712	2640	Trojan.MSIL.Hanoone.exe	30
PID 2712 wrote to memory of 1552	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 1552	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 1552	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 1552	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 1552	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 1552	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 1552	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 1552	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 1552	2712	sbietrcl.exe	31
PID 2712 wrote to memory of 1552	2712	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Hanoone.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Hanoone.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:2640
- 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:2712
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    PID:1552

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
342B

MD5
ecfacba2682fb5c64b06b1f15b7e7238

SHA1
8b1ed56306518cfa271069cb1463184b651f883d

SHA256
dbf19ab5d558cc77c77efc0e02821a09183c3dc4c29d21429b3695dccfa8098d

SHA512
d964473dbe44f4278487ae445c8c7e7bf73e845c66be5cfb009d14650c549ba2ac8f357f82f1228aa35351b2eac5d7d6453ea059f9bbac3ca5e5e5601d006fc5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab65D5.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
2.0MB

MD5
01d53355199c5d71c8f484e9a5c50f13

SHA1
e17bc9a334264eddb6c7d3b99dce2f4fde7b260d

SHA256
6119c4572362c793d7baa896a6c343e64b1e4bd081c772b657c8cb5408c672a5

SHA512
c0f15bf04028c82461f41a27a1b88d69398b8a5c7f8c29ab301c741db3815f1f2fcef9c9ce165885b3c4ea2d83424d59c96494c66c5ecf792c6aca8638ccf1f0

Download Submit
memory/1552-57-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/1552-48-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/1552-54-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1552-45-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/1552-52-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/1552-50-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/1552-47-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/2640-32-0x00000000741D0000-0x000000007477B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-1-0x00000000741D0000-0x000000007477B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-2-0x00000000741D0000-0x000000007477B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-13-0x00000000741D0000-0x000000007477B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-12-0x00000000741D0000-0x000000007477B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-0-0x00000000741D1000-0x00000000741D2000-memory.dmp

Filesize
4KB

Download
memory/2640-25-0x00000000741D0000-0x000000007477B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-34-0x00000000741D0000-0x000000007477B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-44-0x00000000741D0000-0x000000007477B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-43-0x00000000741D0000-0x000000007477B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-33-0x00000000741D0000-0x000000007477B000-memory.dmp

Filesize
5.7MB

Download
memory/2712-60-0x00000000741D0000-0x000000007477B000-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