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 2996 set thread context of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91

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
4396	FedEX Receipt_AWB# 779187550472.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91
PID 2996 wrote to memory of 4396	2996	FedEX Receipt_AWB# 779187550472.exe	91

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:2996
- 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:4396

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
13d85d8620df1a3aa8bbd860d977067d

SHA1
3e9cc75ac85475f01dae58e4785b713f68caff39

SHA256
699e41be4f6702a1d5e5a0f9c936d08fd4effabe878c058547c0a6a451ffdafc

SHA512
1110fbbe116287ed0dcc2e14c90a66cefd79afdd3ec3cee746e9c7efd364b4ab65dd2b45a57337bca0c2b276459a4a7f08ccea9b8fc22760f777c40f20226385

Download Submit
memory/2996-6-0x0000000005850000-0x00000000058EC000-memory.dmp

Filesize
624KB

Download
memory/2996-2-0x0000000005C20000-0x00000000061C4000-memory.dmp

Filesize
5.6MB

Download
memory/2996-3-0x0000000005590000-0x0000000005622000-memory.dmp

Filesize
584KB

Download
memory/2996-4-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2996-5-0x0000000005640000-0x000000000564A000-memory.dmp

Filesize
40KB

Download
memory/2996-20-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2996-7-0x0000000005950000-0x0000000005968000-memory.dmp

Filesize
96KB

Download
memory/2996-8-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/2996-9-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2996-10-0x0000000006EC0000-0x0000000006F80000-memory.dmp

Filesize
768KB

Download
memory/2996-1-0x0000000000AC0000-0x0000000000BAA000-memory.dmp

Filesize
936KB

Download
memory/2996-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/4396-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4396-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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