remcos | fed5572012a12bdafafc4d00c615f7e23935b59e9388792ef98d37b6f8b5fc70

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 2316 set thread context of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31

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 use of SetWindowsHookEx 1 IoCs

pid	Process
3048	FedEX Receipt_AWB# 779187550472.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31
PID 2316 wrote to memory of 3048	2316	FedEX Receipt_AWB# 779187550472.exe	31

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 use of WriteProcessMemory
PID:2316
- 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:3048

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
7e655e9b1bb7d9adc018cca290302e71

SHA1
290e2ef7712adadc230da2b73367802aa316f905

SHA256
daf11e7d65aabc1e2da890635756603662fb6a740d80fa841171980291157707

SHA512
40e940f9f6d2df171c24b4165765426fbd1aecef4b9fd91cd0040ed6ab528cc00907bb1cc44cd747ac347834f671afd11213fa64bf126f2fbcfb1dbb126a056b

Download Submit
memory/2316-0-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2316-1-0x0000000000190000-0x000000000027A000-memory.dmp

Filesize
936KB

Download
memory/2316-2-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2316-3-0x0000000000700000-0x0000000000718000-memory.dmp

Filesize
96KB

Download
memory/2316-4-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2316-5-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2316-6-0x0000000005270000-0x0000000005330000-memory.dmp

Filesize
768KB

Download
memory/2316-27-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3048-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3048-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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