remcos | d8029b14e5fa065e09f0dee40b19978cb59633d86c708974b97aabf15a569b38

General

Target

FedEX Receipt_AWB# 779187550472.exe
Size

915KB
MD5

67280e0aa391e0583402048f03ce0343
SHA1

f68a9378e8d8f0c5ba10fc63fb51c6f14baaefac
SHA256

d8029b14e5fa065e09f0dee40b19978cb59633d86c708974b97aabf15a569b38
SHA512

467955349f07a1c02251fc1418c9a1a622cf6405264efa99454f02641b5b36b79802016c1bbdad6ff70a59400be68345da470033716558fbd1a71299aaad25cc
SSDEEP

24576:h3akAx8VHZGbfkYQYT0GZ23/PR+0cb+x1j:pakAx8VHZaNZyo0cb+x1

Score

10^/10

remcos ood discovery rat

Malware Config

Extracted

Family

remcos

Botnet

ood

C2

goody.work.gd:4173

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
vlc
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
ios
mouse_option
false
mutex
gig-R8G1B2
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
sos
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 2712 set thread context of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33

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	FedEX Receipt_AWB# 779187550472.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FedEX Receipt_AWB# 779187550472.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2712	FedEX Receipt_AWB# 779187550472.exe
2712	FedEX Receipt_AWB# 779187550472.exe
2712	FedEX Receipt_AWB# 779187550472.exe
2712	FedEX Receipt_AWB# 779187550472.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2712	FedEX Receipt_AWB# 779187550472.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2916	FedEX Receipt_AWB# 779187550472.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2020	2712	FedEX Receipt_AWB# 779187550472.exe	31
PID 2712 wrote to memory of 2020	2712	FedEX Receipt_AWB# 779187550472.exe	31
PID 2712 wrote to memory of 2020	2712	FedEX Receipt_AWB# 779187550472.exe	31
PID 2712 wrote to memory of 2020	2712	FedEX Receipt_AWB# 779187550472.exe	31
PID 2712 wrote to memory of 1248	2712	FedEX Receipt_AWB# 779187550472.exe	32
PID 2712 wrote to memory of 1248	2712	FedEX Receipt_AWB# 779187550472.exe	32
PID 2712 wrote to memory of 1248	2712	FedEX Receipt_AWB# 779187550472.exe	32
PID 2712 wrote to memory of 1248	2712	FedEX Receipt_AWB# 779187550472.exe	32
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33
PID 2712 wrote to memory of 2916	2712	FedEX Receipt_AWB# 779187550472.exe	33

C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe
"C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe"
1⤵
- 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\Local\Temp\FedEX Receipt_AWB# 779187550472.exe
  "C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe"
  2⤵
  PID:2020
- C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe
  "C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe"
  2⤵
  PID:1248
- C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe
  "C:\Users\Admin\AppData\Local\Temp\FedEX Receipt_AWB# 779187550472.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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:\ProgramData\ios\logs.dat

Filesize
144B

MD5
a59071217a0ed31f67ea5140971c6cd3

SHA1
54faa112c5fb884a74df67322087402180853068

SHA256
a8cb4df631c506c58f39c49840f63e7bf0dc223870d110422b37b1b08e8c2131

SHA512
d335e4a91cbd58c58d7e0b4f3ff75e230ec257f8e5db2fc1b1f9dd8b3d56ef1e27dfcd5c106d363e0830833a775706979bbc43261d854803585f755a6d361504

Download Submit
memory/2712-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2712-1-0x0000000000AE0000-0x0000000000BCA000-memory.dmp

Filesize
936KB

Download
memory/2712-2-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2712-3-0x00000000002D0000-0x00000000002E8000-memory.dmp

Filesize
96KB

Download
memory/2712-4-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2712-5-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2712-6-0x0000000004F20000-0x0000000004FE0000-memory.dmp

Filesize
768KB

Download
memory/2712-27-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2916-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2916-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2916-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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