remcos | 3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107

General

Target

3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe
Size

1.0MB
MD5

7fe018f1ac6f074fd5a74b86b648fe89
SHA1

0d405ba0d3f97295896a4564769b34d113e80182
SHA256

3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107
SHA512

5516f9260f5d2250b45840a3f31841195e63f29db2b88ca983d3eea66d46a0fcbdec1d0be40e37e551a670dc7054f9bce9f1f0e84faf9afed30e7d16b54642b9
SSDEEP

24576:TjNsRGMg+QMoW6n+hNl1qbXqmAz08A3zptDAKuHdUnPplW:TBsF4m12afzVADptDluHaPp4

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
31	3688	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4036 set thread context of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91

System Location Discovery: System Language Discovery 1 TTPs 3 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	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2272	MicrosoftEdgeUpdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4028	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91
PID 4036 wrote to memory of 4028	4036	3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe	91

C:\Users\Admin\AppData\Local\Temp\3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe
"C:\Users\Admin\AppData\Local\Temp\3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4036
- C:\Users\Admin\AppData\Local\Temp\3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe
  "C:\Users\Admin\AppData\Local\Temp\3297af6764c68ce4111b414146e8cc50847af73dc806ed2594d8ec841dc6b107.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4028

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU4NjAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODIxNjMwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODg3Nzk4NTA1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2272

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\ios\logs.dat

Filesize
144B

MD5
f30b4b213b445c464c1b60b87ca09b7b

SHA1
0a95be4ae5ee8ba089e12ba4533cf85f16821e6c

SHA256
7cff81e65d64695670aebbe861c047cebf71c61c916bca4b261c5d85ea6c51d3

SHA512
d30806bd0d4c76b587824a8456e9ebe846bebb90bc1e76a203f3cf051671153a9b95d5d6054fc0aff26c11b0b0b20eb9d70eb1c3ba3bd5210e04577dfb572fdd

Download Submit
memory/4028-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4028-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4036-10-0x0000000009190000-0x0000000009250000-memory.dmp

Filesize
768KB

Download
memory/4036-22-0x0000000073990000-0x0000000074140000-memory.dmp

Filesize
7.7MB

Download
memory/4036-2-0x0000000005930000-0x0000000005ED4000-memory.dmp

Filesize
5.6MB

Download
memory/4036-0-0x000000007399E000-0x000000007399F000-memory.dmp

Filesize
4KB

Download
memory/4036-11-0x000000000B250000-0x000000000B2EC000-memory.dmp

Filesize
624KB

Download
memory/4036-1-0x0000000000810000-0x000000000091A000-memory.dmp

Filesize
1.0MB

Download
memory/4036-8-0x0000000073990000-0x0000000074140000-memory.dmp

Filesize
7.7MB

Download
memory/4036-7-0x000000007399E000-0x000000007399F000-memory.dmp

Filesize
4KB

Download
memory/4036-6-0x00000000056C0000-0x00000000056DE000-memory.dmp

Filesize
120KB

Download
memory/4036-5-0x0000000073990000-0x0000000074140000-memory.dmp

Filesize
7.7MB

Download
memory/4036-4-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/4036-3-0x0000000005380000-0x0000000005412000-memory.dmp

Filesize
584KB

Download

Analysis

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