remcos | d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31

General

Target

d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
Size

1.4MB
MD5

c0585835beb4bef171c0cf8b15e8d5c5
SHA1

db8c9c483776385b86676fa2f3d2d5a49d05bae0
SHA256

d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31
SHA512

53a4d4e8617327724efe07473c30c0abc83e82ba81b5a0e79317041cca6552be5a6ba202882888bf0516ca5d5b5997d05b4056196192e6256b012cbce131218f
SSDEEP

24576:nqDEvCTbMWu7rQYlBQcBiT6rprG8aW+buh+WZiRDus2vcy2iU6Ylcyo2:nTvC/MTQYxsWR7aW+0+EiZccvio

Score

10^/10

remcos appo discovery rat

Malware Config

Extracted

Family

remcos

Botnet

APPO

C2

pronpostavka.com:2559

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
chrome-EZMR6Q
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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs	name.exe

Executes dropped EXE 1 IoCs

pid	Process
3380	name.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0003000000022d07-14.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3380 set thread context of 3884	3380	name.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	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	name.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3380	name.exe

Suspicious use of FindShellTrayWindow 14 IoCs

pid	Process
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
3380	name.exe
3380	name.exe
3380	name.exe
3380	name.exe
3380	name.exe
3380	name.exe
3380	name.exe

Suspicious use of SendNotifyMessage 14 IoCs

pid	Process
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
3380	name.exe
3380	name.exe
3380	name.exe
3380	name.exe
3380	name.exe
3380	name.exe
3380	name.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 3380	2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe	89
PID 2992 wrote to memory of 3380	2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe	89
PID 2992 wrote to memory of 3380	2992	d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe	89
PID 3380 wrote to memory of 3884	3380	name.exe	91
PID 3380 wrote to memory of 3884	3380	name.exe	91
PID 3380 wrote to memory of 3884	3380	name.exe	91
PID 3380 wrote to memory of 3884	3380	name.exe	91

C:\Users\Admin\AppData\Local\Temp\d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe
"C:\Users\Admin\AppData\Local\Temp\d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Users\Admin\AppData\Local\directory\name.exe
  "C:\Users\Admin\AppData\Local\Temp\d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3380
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3884

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:\Users\Admin\AppData\Local\Temp\adstipulator

Filesize
84KB

MD5
36a6c59ca0a685351cb6e301b1175cf2

SHA1
ec43b7dc244b99c115cb020009c8793d863f52ec

SHA256
fe9cf3e19127123a57040ab8af31f666e189103d01dcca69badf51e5ea7aa721

SHA512
166c5e3427226a7074047f663916ea6f709c9b93b1fed9d29bbc85ceae39da153bc89f4e4ad68292c53b13a468e6b4bf80e934f97609bb9b9205341538537d60

Download Submit
C:\Users\Admin\AppData\Local\directory\name.exe

Filesize
1.4MB

MD5
c0585835beb4bef171c0cf8b15e8d5c5

SHA1
db8c9c483776385b86676fa2f3d2d5a49d05bae0

SHA256
d2d047125f00db9f2a56d34b1e1515ff98e593352c59c5aabbc0ca9888aabb31

SHA512
53a4d4e8617327724efe07473c30c0abc83e82ba81b5a0e79317041cca6552be5a6ba202882888bf0516ca5d5b5997d05b4056196192e6256b012cbce131218f

Download Submit
memory/2992-11-0x0000000001900000-0x0000000001904000-memory.dmp

Filesize
16KB

Download
memory/3884-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-41-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3884-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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