remcos | f7c1e9684f43216c9927edaa229f71db824d3c64585c9496b7458951e6001172

General

Target

Trojan.MSIL.Hanoone.exe
Size

2.0MB
MD5

d0a57dccb86063c714f279e9858a14c0
SHA1

859fc7e9c24114cfed2220bc428ca45e515be87b
SHA256

f7c1e9684f43216c9927edaa229f71db824d3c64585c9496b7458951e6001172
SHA512

855048fe5c7c2c39e9ce99cd8f2b85862375e3e63376314bae366fcaa3d09a2de71db97dfafe574e259c1efa772deda6a725c9a85e62f09483b03c087ff5d0d3
SSDEEP

24576:zD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPj8/j73Anet9/wI:zp7E+QrFUBgq2Q

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
2888	sbietrcl.exe
2684	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2412	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-1-5-21-4177215427-74451935-3209572229-1000\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 2888 set thread context of 2684	2888	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 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
2412	Trojan.MSIL.Hanoone.exe
2412	Trojan.MSIL.Hanoone.exe
2412	Trojan.MSIL.Hanoone.exe
2412	Trojan.MSIL.Hanoone.exe
2412	Trojan.MSIL.Hanoone.exe
2412	Trojan.MSIL.Hanoone.exe
2888	sbietrcl.exe
2888	sbietrcl.exe
2888	sbietrcl.exe
2888	sbietrcl.exe
2888	sbietrcl.exe
2888	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	Trojan.MSIL.Hanoone.exe
Token: SeDebugPrivilege	2888	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2888	2412	Trojan.MSIL.Hanoone.exe	31
PID 2412 wrote to memory of 2888	2412	Trojan.MSIL.Hanoone.exe	31
PID 2412 wrote to memory of 2888	2412	Trojan.MSIL.Hanoone.exe	31
PID 2412 wrote to memory of 2888	2412	Trojan.MSIL.Hanoone.exe	31
PID 2888 wrote to memory of 2684	2888	sbietrcl.exe	32
PID 2888 wrote to memory of 2684	2888	sbietrcl.exe	32
PID 2888 wrote to memory of 2684	2888	sbietrcl.exe	32
PID 2888 wrote to memory of 2684	2888	sbietrcl.exe	32
PID 2888 wrote to memory of 2684	2888	sbietrcl.exe	32
PID 2888 wrote to memory of 2684	2888	sbietrcl.exe	32
PID 2888 wrote to memory of 2684	2888	sbietrcl.exe	32
PID 2888 wrote to memory of 2684	2888	sbietrcl.exe	32
PID 2888 wrote to memory of 2684	2888	sbietrcl.exe	32
PID 2888 wrote to memory of 2684	2888	sbietrcl.exe	32

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:2412
- 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:2888
- - 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:2684

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab3E7.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
177616d9c83f0caf2f88c26fc9c9574f

SHA1
496b59918ca7145e5f8dd4e9e759cb6f26d31855

SHA256
982b931c7120f057dcad093135e335eeb835c2c7bf38a3886d9030f66b2d8ede

SHA512
edbd472e701019164da7067a51eaf0e97dc537727adc0719df555d67a211595e5542b6d0025f99bb6228e02c5b74bfbbded35e36f21478a5f226293e471fe543

Download Submit
memory/2412-23-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2412-1-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2412-11-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2412-0-0x0000000074801000-0x0000000074802000-memory.dmp

Filesize
4KB

Download
memory/2412-2-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2412-30-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2412-10-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2684-52-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-50-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/2684-56-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/2684-48-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/2684-46-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/2684-44-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/2684-42-0x0000000000080000-0x0000000000097000-memory.dmp

Filesize
92KB

Download
memory/2888-32-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2888-40-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2888-41-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2888-31-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2888-59-0x0000000074800000-0x0000000074DAB000-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