remcos | c9a78ca75655d3e311883ec93cabfc01f9b11d73fe661c3434e2fd7edf84ca79

General

Target

0866ee72c32ac609c4c2cf6a1cfeb415.exe
Size

1024.0MB
MD5

f464cb2a198a751151a07d1790aec658
SHA1

bfc0c139d4d45ef94b3042e86695e516d7445262
SHA256

9f3b02a6099ce5cf04411920f20f7b255c3a9e085e6f28f3222e56b1405c83ea
SHA512

8d24576f2c6cfce3a113357128fa159bb2595eda765d85a88e49f262beb6b633d62eb242af41662a6c2683e83edaf070dfb6365f89c88cc5233cd8d5315c62fe
SSDEEP

12288:IPYQinsK2GZCHdxjrMvvMDd9k+Xkk3oy5dOpELw0ccDe:IPXXT/HLjrKvMDd9R0ly53wr

Score

10^/10

remcos aldolar discovery rat

Malware Config

Extracted

Family

remcos

Botnet

ALDOLAR

C2

panel2.con-ip.com:1993

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-35UFD7
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 636 set thread context of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3568	640	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 5 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0866ee72c32ac609c4c2cf6a1cfeb415.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2116	schtasks.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 640	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	83
PID 636 wrote to memory of 5096	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	84
PID 636 wrote to memory of 5096	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	84
PID 636 wrote to memory of 5096	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	84
PID 636 wrote to memory of 2992	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	85
PID 636 wrote to memory of 2992	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	85
PID 636 wrote to memory of 2992	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	85
PID 636 wrote to memory of 2324	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	87
PID 636 wrote to memory of 2324	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	87
PID 636 wrote to memory of 2324	636	0866ee72c32ac609c4c2cf6a1cfeb415.exe	87
PID 2992 wrote to memory of 2116	2992	cmd.exe	92
PID 2992 wrote to memory of 2116	2992	cmd.exe	92
PID 2992 wrote to memory of 2116	2992	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\0866ee72c32ac609c4c2cf6a1cfeb415.exe
"C:\Users\Admin\AppData\Local\Temp\0866ee72c32ac609c4c2cf6a1cfeb415.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  PID:640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 512
    3⤵
    - Program crash
    PID:3568
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\AppData"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5096
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2992
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2116
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\0866ee72c32ac609c4c2cf6a1cfeb415.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 640 -ip 640
1⤵
PID:4708

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/636-0-0x00000000752BE000-0x00000000752BF000-memory.dmp

Filesize
4KB

Download
memory/636-1-0x0000000000700000-0x00000000007A6000-memory.dmp

Filesize
664KB

Download
memory/636-2-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/636-3-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download
memory/636-17-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download
memory/640-5-0x0000000000820000-0x00000000008A2000-memory.dmp

Filesize
520KB

Download
memory/640-10-0x0000000000820000-0x00000000008A2000-memory.dmp

Filesize
520KB

Download
memory/640-15-0x0000000000820000-0x00000000008A2000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads