remcos | e9f5732cff8afc4193b41bfee8b53aeea5e35b8d152e4a3226b3be96a13115b2

General

Target

0ffc2fa4405ccafee0472e351799dca8.exe
Size

663KB
MD5

0ffc2fa4405ccafee0472e351799dca8
SHA1

9fcda13ed9fbc784a8cafa3f96edcc819e60ffbc
SHA256

6b6d820ce1c8df1c795e938995133201a5c75ad3989cd51568323b671ecf8109
SHA512

4d49de65bf593730d697c47f2614d3193454a2582f614157a4cafc60b45986cd117ace112fef9abb7e899cf811eb3bfb0cff6f17a29424d391b25a31bee40f2a
SSDEEP

12288:Piqqh8QqSxiPeDMfTw/eLAO6X7FOFc8Q5:PPqhzqVer9LrFOK8Q5

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Version

2.7.2 Pro

Botnet

RemoteHost

C2

trijgrscviomnbvdewacvioplmjytrewwqazxcvty.ydns.eu.ydns.eu:7143

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
jmaqvbo.exe
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-DCSDH0
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
nplwat
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2072 set thread context of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35

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	0ffc2fa4405ccafee0472e351799dca8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2072	0ffc2fa4405ccafee0472e351799dca8.exe
2072	0ffc2fa4405ccafee0472e351799dca8.exe
2072	0ffc2fa4405ccafee0472e351799dca8.exe
2072	0ffc2fa4405ccafee0472e351799dca8.exe
2072	0ffc2fa4405ccafee0472e351799dca8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	0ffc2fa4405ccafee0472e351799dca8.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1408	0ffc2fa4405ccafee0472e351799dca8.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2432	2072	0ffc2fa4405ccafee0472e351799dca8.exe	31
PID 2072 wrote to memory of 2432	2072	0ffc2fa4405ccafee0472e351799dca8.exe	31
PID 2072 wrote to memory of 2432	2072	0ffc2fa4405ccafee0472e351799dca8.exe	31
PID 2072 wrote to memory of 2432	2072	0ffc2fa4405ccafee0472e351799dca8.exe	31
PID 2072 wrote to memory of 2036	2072	0ffc2fa4405ccafee0472e351799dca8.exe	33
PID 2072 wrote to memory of 2036	2072	0ffc2fa4405ccafee0472e351799dca8.exe	33
PID 2072 wrote to memory of 2036	2072	0ffc2fa4405ccafee0472e351799dca8.exe	33
PID 2072 wrote to memory of 2036	2072	0ffc2fa4405ccafee0472e351799dca8.exe	33
PID 2072 wrote to memory of 2856	2072	0ffc2fa4405ccafee0472e351799dca8.exe	34
PID 2072 wrote to memory of 2856	2072	0ffc2fa4405ccafee0472e351799dca8.exe	34
PID 2072 wrote to memory of 2856	2072	0ffc2fa4405ccafee0472e351799dca8.exe	34
PID 2072 wrote to memory of 2856	2072	0ffc2fa4405ccafee0472e351799dca8.exe	34
PID 2072 wrote to memory of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35
PID 2072 wrote to memory of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35
PID 2072 wrote to memory of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35
PID 2072 wrote to memory of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35
PID 2072 wrote to memory of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35
PID 2072 wrote to memory of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35
PID 2072 wrote to memory of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35
PID 2072 wrote to memory of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35
PID 2072 wrote to memory of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35
PID 2072 wrote to memory of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35
PID 2072 wrote to memory of 1408	2072	0ffc2fa4405ccafee0472e351799dca8.exe	35

C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe
"C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hAoHsX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5706.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2432
- C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe
  "C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe"
  2⤵
  PID:2036
- C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe
  "C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe"
  2⤵
  PID:2856
- C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe
  "C:\Users\Admin\AppData\Local\Temp\0ffc2fa4405ccafee0472e351799dca8.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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\tmp5706.tmp

Filesize
1KB

MD5
ff2989bad5aab5a2e09b2f0c736637d9

SHA1
a941b2aeddea8a78ed182ec6b6d72260d9adf024

SHA256
76cd46bccb959939e26f1e2ea27d2d929b7bf3d897903a38d396fded245351d4

SHA512
df931a611aa675d08d699a8557d70815aeeea6e2680d31da5177cf78885d13907e64aaaa3dbfc46c7cc52e73b67b1cbb0b4a22f44b654303d341e2b3fa31e212

Download Submit
memory/1408-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1408-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1408-23-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1408-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1408-22-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1408-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1408-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1408-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1408-20-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1408-24-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1408-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1408-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1408-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2072-1-0x0000000000140000-0x00000000001EC000-memory.dmp

Filesize
688KB

Download
memory/2072-0-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/2072-4-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/2072-5-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2072-3-0x0000000000390000-0x00000000003A2000-memory.dmp

Filesize
72KB

Download
memory/2072-28-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2072-2-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/2072-6-0x00000000042F0000-0x0000000004350000-memory.dmp

Filesize
384KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads