remcos | 6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8

General

Target

JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe
Size

835.9MB
MD5

6de68ff3f2e0ecf720905f783e707912
SHA1

d921abe997537273ba1133a0afa95271f397b25e
SHA256

6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8
SHA512

028dff1eecc6e1ae77c259c666dcc34b0c65499e37a9b1ff56b7af4db33dc07ede7f7678978f6211fa11052577a0539e911e49962d2a5bc129a0ed0c351e277d
SSDEEP

12288:IeUcz27ubdMrMTjgddDxE6hCsfaG5Mcsp6A/MdfExobHbLYuK:BU+jM2gd1KOCsiArg6EVAYuK

Score

10^/10

remcos zip discovery rat

Malware Config

Extracted

Family

remcos

Botnet

ZIP

C2

gfkodssnvosdjvlksnvldkj.con-ip.com:1883

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-O0ZE3X
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
Remcos family
remcos

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3988 set thread context of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4500	2848	WerFault.exe	82

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	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe
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	cmd.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
1604	schtasks.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 2848	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	82
PID 3988 wrote to memory of 1092	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	84
PID 3988 wrote to memory of 1092	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	84
PID 3988 wrote to memory of 1092	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	84
PID 3988 wrote to memory of 4680	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	85
PID 3988 wrote to memory of 4680	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	85
PID 3988 wrote to memory of 4680	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	85
PID 3988 wrote to memory of 3928	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	86
PID 3988 wrote to memory of 3928	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	86
PID 3988 wrote to memory of 3928	3988	JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe	86
PID 4680 wrote to memory of 1604	4680	cmd.exe	91
PID 4680 wrote to memory of 1604	4680	cmd.exe	91
PID 4680 wrote to memory of 1604	4680	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  PID:2848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 512
    3⤵
    - Program crash
    PID:4500
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\AppData"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1092
- 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:4680
- - 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:1604
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2848 -ip 2848
1⤵
PID:316

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/2848-3-0x00000000004E0000-0x0000000000562000-memory.dmp

Filesize
520KB

Download
memory/2848-8-0x00000000004E0000-0x0000000000562000-memory.dmp

Filesize
520KB

Download
memory/2848-13-0x00000000004E0000-0x0000000000562000-memory.dmp

Filesize
520KB

Download
memory/2848-2-0x0000000000420000-0x0000000000440000-memory.dmp

Filesize
128KB

Download
memory/3988-0-0x00000000752DE000-0x00000000752DF000-memory.dmp

Filesize
4KB

Download
memory/3988-1-0x0000000000120000-0x00000000001B4000-memory.dmp

Filesize
592KB

Download
memory/3988-14-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3988-16-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads